Over-excavation volume generation method, system and terminal in earth pressure balance shield stratum

Abstract

The invention discloses an earth pressure balance shield stratum overexcavation volume generation method and system and a terminal, and the method comprises the steps: obtaining the deslagging mass, and obtaining classified stratum conditions and stratum injection condition information; when the stratum is the single stratum and the first injection condition information, generating a corresponding overexcavation volume according to a first calculation formula and the deslagging mass; when the stratum is the single stratum and the second injection condition information, the stratum water-rich type is judged, and the corresponding overexcavation volume is generated; when the stratum is the composite stratum and the first injection condition information, whether over-excavation is carried out or not is judged, and when over-excavation is carried out, the corresponding over-excavation volume is generated according to the type of the over-excavation stratum; when the stratum is the composite stratum and the second injection condition information, the stratum water-rich type is judged, whether super-square excavation is carried out or not is judged, when super-square excavation is carried out, the super-square stratum type is judged, and the corresponding over-excavation volume is generated according to the stratum water-rich type and the super-square stratum type. According to the method, the accurate overexcavation volume can be obtained under different conditions.

Description

Technical Field

[0001] The present invention relates to the technical field of muck improvement, and particularly to a method, a system and a terminal for generating an over-excavated volume in the formation of an earth pressure balance shield tunneling machine. Background Art

[0002] An earth pressure balance shield tunneling machine is a tunnel boring machine that uses the muck cut during tunneling as a medium to support the stability of the excavation face and discharges the muck through a screw conveyor. The ideal tunneling state of the shield is that the muck output is equal to the soil excavation volume. When the muck output is greater than the soil excavation volume of the shield, it is easy to cause excessive ground settlement, and when the muck output is less than the soil excavation volume, it is easy to cause excessive soil chamber pressure and lead to ground heave. Therefore, the control of shield muck discharge is one of the key factors determining successful tunneling. In the control of shield muck discharge, the accurate acquisition of the muck output is an important link in muck discharge control.

[0003] At present, the detection of shield muck discharge is not accurate, resulting in an impact on the tunneling state of the shield.

[0004] Therefore, the existing technology still needs to be improved and developed. Summary of the Invention

[0005] The main purpose of the present invention is to provide a method, a system, a terminal and a computer-readable storage medium for generating an over-excavated volume in the formation of an earth pressure balance shield tunneling machine, aiming to solve the problem in the existing technology that the detection of shield muck discharge is not accurate, resulting in an impact on the tunneling state of the shield.

[0006] To achieve the above purpose, the present invention provides a method for generating an over-excavated volume in the formation of an earth pressure balance shield tunneling machine, and the method for generating an over-excavated volume in the formation of an earth pressure balance shield tunneling machine includes the following steps:

[0007] Obtain the muck quality, and obtain the classified formation conditions and formation injection situation information;

[0008] When the type of the formation condition is a single formation and the formation injection situation information is the first injection situation information, generate the corresponding over-excavated volume according to the first calculation formula and the muck quality;

[0009] When the type of the formation condition is a single formation and the formation injection situation information is the second injection situation information, judge the water-rich type of the formation, and generate the corresponding over-excavated volume according to the water-rich type and the muck quality;

[0010] When the type of the formation condition is a composite formation and the formation injection situation information is the first injection situation information, judge whether over-excavation occurs based on the muck quality. When over-excavation occurs, judge the type of the over-excavated formation, and generate the corresponding over-excavated volume according to the type of the over-excavated formation;

[0011] When the type of the formation condition is a composite formation and the formation injection condition information is the second injection condition information, determine the water-rich type of the formation, and judge whether over-excavation occurs based on the water-rich type of the formation and the muck quality. When over-excavation occurs, determine the over-excavated formation type, and generate the corresponding over-excavated volume based on the water-rich type of the formation and the over-excavated formation type.

[0012] Optionally, the formation conditions include a single formation and a composite formation;

[0013] The formation injection condition information includes the first injection condition information and the second injection condition information. The first injection condition information is injecting foam and water, and the second injection condition information is injecting foam, water, bentonite, and polymer;

[0014] The water-rich types of the formation include a rich water formation and a water-rich formation;

[0015] The over-excavated formation types include single-formation over-excavation and multi-formation over-excavation.

[0016] Optionally, when the type of the formation condition is a single formation and the formation injection condition information is the first injection condition information, generate the corresponding over-excavated volume according to the first calculation formula and the muck quality, specifically including:

[0017] When the type of the formation condition is a single formation and the formation injection condition information is the first injection condition information, obtain the muck moisture content, soil particle density, and natural porosity;

[0018] Substitute the muck quality, the muck moisture content, the soil particle density, and the natural porosity into the first calculation formula to calculate the corresponding over-excavated volume.

[0019] Optionally, when the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information, determine the water-rich type of the formation, and generate the corresponding over-excavated volume according to the water-rich type and the muck quality, specifically including:

[0020] When the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information, determine the water-rich type of the formation;

[0021] When the water-rich type is a non-water-rich formation, obtain the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and obtain the formation density, the shield excavation face area, and the driving distance. Substitute the muck quality, the formation density, the shield excavation face area, the driving distance, and the densities and volumes of the foam mixture, bentonite, water, and polymer solution into the second calculation formula to generate the corresponding over-excavated volume;

[0022] When the water-rich type is a water-rich stratum, obtain the densities and volumes of bentonite and polymer solution, obtain the density of water, the stratum density, the shield excavation face area, and the tunneling distance, and substitute the obtained muck quality, the density of water, the stratum density, the shield excavation face area, the tunneling distance, and the densities and volumes of bentonite and polymer solution into the third calculation formula to generate the corresponding over-excavation volume.

[0023] Optionally, when the type of the stratum condition is a composite stratum and the stratum injection condition information is the first injection condition information, judge whether over-excavation occurs based on the muck quality. When over-excavation occurs, judge the over-excavated stratum type, and generate the corresponding over-excavation volume according to the over-excavated stratum type. Specifically, it includes:

[0024] When the type of the stratum condition is a composite stratum and the stratum injection condition information is the first injection condition information, obtain the water content of the muck and the dry density of the muck, and calculate the first volume according to the water content of the muck, the dry density of the muck, and the muck quality.

[0025] Obtain the natural density, natural water content, dry density of each stratum on the tunneling face, and the area of the soil layer on the excavation face, calculate the second volume according to the first volume, judge whether over-excavation occurs based on the first volume and the second volume. When over-excavation occurs, judge the over-excavated stratum type.

[0026] When the over-excavated stratum type is single-stratum over-excavation, obtain the stratum porosity, and generate the corresponding over-excavation volume according to the first volume, the second volume, and the stratum porosity.

[0027] When the over-excavated stratum type is multi-stratum over-excavation, obtain the stratum porosities of each stratum and the areas on the excavation face, and generate the corresponding over-excavation volume according to the first volume, the second volume, the stratum porosities of each stratum, and the areas on the excavation face.

[0028] Optionally, when the type of the stratum condition is a composite stratum and the stratum injection condition information is the second injection condition information, judge the water-rich type of the stratum, judge whether over-excavation occurs according to the water-rich type of the stratum and the muck quality. When over-excavation occurs, judge the over-excavated stratum type, and generate the corresponding over-excavation volume according to the water-rich type of the stratum and the over-excavated stratum type. Specifically, it includes:

[0029] When the type of the stratum condition is a composite stratum and the stratum injection condition information is the second injection condition information, judge the water-rich type of the stratum.

[0030] When the water-rich type of the stratum is a non-water-rich stratum, obtain the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and calculate the first mass according to the muck quality.

[0031] Obtain the driving distance, the natural density of each stratum at the driving face, and the area of the soil layer in the excavation face, calculate the second mass, and determine whether there is over-excavation according to the first mass and the second mass. When there is over-excavation, determine the type of over-excavated stratum;

[0032] When the type of over-excavated stratum is single-stratum over-excavation, obtain the stratum density, and generate the corresponding over-excavated volume according to the stratum density, the first mass, and the second mass;

[0033] When the type of over-excavated stratum is multi-stratum over-excavation, obtain the area and density of each stratum in the excavation face, and generate the corresponding over-excavated volume according to the first mass, the second mass, and the area and density of each stratum in the excavation face.

[0034] Optionally, when the type of the stratum condition is a composite stratum and the stratum injection condition information is the second injection condition information, determine the water-rich type of the stratum. After that, it further includes:

[0035] When the water-rich type of the stratum is a water-rich stratum, obtain the area of each stratum in the excavation face, the area of the water-bearing stratum in the excavation face, the area of the non-water-bearing stratum in the excavation face, as well as the density and volume of the foam mixture, bentonite, water, and polymer solution, and calculate the third mass according to the muck quality;

[0036] Obtain the driving distance, the natural density of each stratum at the driving face, and the area of the soil layer in the excavation face, calculate the fourth mass, and determine whether there is over-excavation according to the third mass and the fourth mass. When there is over-excavation, determine the type of over-excavated stratum;

[0037] When the type of over-excavated stratum is single-stratum over-excavation, obtain the stratum density, and generate the corresponding over-excavated volume according to the stratum density, the third mass, and the fourth mass;

[0038] When the type of over-excavated stratum is multi-stratum over-excavation, obtain the area and density of each stratum in the excavation face, and generate the corresponding over-excavated volume according to the third mass, the fourth mass, and the area and density of each stratum in the excavation face.

[0039] In addition, to achieve the above object, the present invention also provides a system for generating over-excavated volume in an earth pressure balance shield stratum. Among them, the system for generating over-excavated volume in an earth pressure balance shield stratum includes:

[0040] A data acquisition module, configured to acquire the muck quality, and acquire the classified stratum conditions and stratum injection condition information;

[0041] A first calculation module, configured to generate the corresponding over-excavated volume according to the first calculation formula and the muck quality when the type of the stratum condition is a single stratum and the stratum injection condition information is the first injection condition information;

[0042] A second calculation module, configured to determine the water-rich type of the formation and generate a corresponding over-excavation volume according to the water-rich type and the muck quality when the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information;

[0043] A third calculation module, configured to determine whether over-excavation occurs based on the muck quality when the type of the formation condition is a composite formation and the formation injection condition information is the first injection condition information. When over-excavation occurs, determine the over-excavated formation type and generate a corresponding over-excavation volume according to the over-excavated formation type;

[0044] A fourth calculation module, configured to determine the water-rich type of the formation when the type of the formation condition is a composite formation and the formation injection condition information is the second injection condition information, determine whether over-excavation occurs according to the water-rich type of the formation and the muck quality. When over-excavation occurs, determine the over-excavated formation type and generate a corresponding over-excavation volume according to the water-rich type of the formation and the over-excavated formation type.

[0045] In addition, to achieve the above object, the present invention further provides a terminal, wherein the terminal includes: a memory, a processor, and an over-excavation volume generation program for an earth pressure balance shield formation stored on the memory and executable on the processor. When the over-excavation volume generation program for the earth pressure balance shield formation is executed by the processor, the steps of the above-mentioned over-excavation volume generation method for the earth pressure balance shield formation are implemented.

[0046] In addition, to achieve the above object, the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores an over-excavation volume generation program for an earth pressure balance shield formation. When the over-excavation volume generation program for the earth pressure balance shield formation is executed by a processor, the steps of the above-mentioned over-excavation volume generation method for the earth pressure balance shield formation are implemented.

[0047] In the present invention, the slag discharge quality is obtained, and the classified formation conditions and formation injection situation information are obtained. When the type of the formation condition is a single formation and the formation injection situation information is the first injection situation information, the corresponding over-excavated volume is generated according to the first calculation formula and the slag discharge quality. When the type of the formation condition is a single formation and the formation injection situation information is the second injection situation information, the water-rich formation type is determined, and the corresponding over-excavated volume is generated according to the water-rich formation type and the slag discharge quality. When the type of the formation condition is a composite formation and the formation injection situation information is the first injection situation information, it is determined whether over-excavation occurs based on the slag discharge quality. When over-excavation occurs, the over-excavated formation type is determined, and the corresponding over-excavated volume is generated according to the over-excavated formation type. When the type of the formation condition is a composite formation and the formation injection situation information is the second injection situation information, the water-rich formation type is determined, and it is determined whether over-excavation occurs according to the water-rich formation type and the slag discharge quality. When over-excavation occurs, the over-excavated formation type is determined, and the corresponding over-excavated volume is generated according to the water-rich formation type and the over-excavated formation type. The present invention comprehensively considers factors such as the formation type, the type and dosage of the admixture, and the parameter acquisition conditions. For the over-excavated volume in different situations, accurate and rapid calculation can be performed, so as to realize the control of the shield slag discharge and ensure the normal tunneling of the shield. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 is a flowchart of a preferred embodiment of the method for generating the over-excavated volume in the formation of the earth pressure balance shield of the present invention;

[0049] Figure 2 is a schematic diagram of the classified calculation of the over-excavated volume in the method for generating the over-excavated volume in the formation of the earth pressure balance shield of the present invention;

[0050] Figure 3 is a structural diagram of a preferred embodiment of the system for generating the over-excavated volume in the formation of the earth pressure balance shield of the present invention;

[0051] Figure 4 is a structural diagram of a preferred embodiment of the terminal of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0052] In order to make the objectives, technical solutions and advantages of the present invention clearer and more definite, the following further describes the present invention in detail with reference to the accompanying drawings and by way of examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0053] The earth pressure balance shield is a tunneling machine that uses the muck cut during tunneling as a medium to support the stability of the excavation face and discharges the muck through a screw conveyor. The ideal tunneling state of the shield is that the muck output is equal to the excavated soil volume. When the muck output is greater than the excavated soil volume of the shield, it is easy to cause excessive ground settlement, and when the muck output is less than the excavated soil volume, it is easy to cause excessive soil chamber pressure and lead to ground heave. Therefore, the control of shield muck discharge is one of the key factors determining successful tunneling. In the control of shield muck discharge, the accurate acquisition of the muck output is an important link in muck discharge control. At present, on-site, a steel tape is often used to simply measure the height of the muck in the muck truck to estimate the muck output of the shield. Although this method is simple, due to the uneven surface of the muck in the muck, especially when the fluidity of the muck is poor, the muck often forms a mountain shape, and the calculation error is large after simple measurement with a steel tape. Other methods of measuring volume do not consider the influence of the type and dosage of the admixture, resulting in a large error in the calculation formula.

[0054] To address one or more of the above problems, obtain the muck quality, and obtain classified formation conditions and formation injection condition information; when the type of the formation condition is a single formation and the formation injection condition information is the first injection condition information, generate a corresponding over-excavated volume according to the first calculation formula and the muck quality; when the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information, determine the water-rich type of the formation, and generate a corresponding over-excavated volume according to the water-rich type and the muck quality; when the type of the formation condition is a composite formation and the formation injection condition information is the first injection condition information, determine whether over-excavation occurs based on the muck quality. When over-excavation occurs, determine the over-excavated formation type, and generate a corresponding over-excavated volume according to the over-excavated formation type; when the type of the formation condition is a composite formation and the formation injection condition information is the second injection condition information, determine the water-rich type of the formation, determine whether over-excavation occurs according to the water-rich type of the formation and the muck quality. When over-excavation occurs, determine the over-excavated formation type, and generate a corresponding over-excavated volume according to the water-rich type of the formation and the over-excavated formation type.

[0055] The method for generating the over-excavated volume in the earth pressure balance shield formation according to the preferred embodiment of the present invention is as Figure 1 shown. The method for generating the over-excavated volume in the earth pressure balance shield formation includes the following steps:

[0056] Step S10, obtain the muck quality, and obtain classified formation conditions and formation injection condition information.

[0057] Specifically, in the present invention, before calculating the over-excavated volume, use a weighbridge or a gantry crane weighing system to weigh the muck truck when it is empty before entering the tunnel for each ring and when it is full after tunneling and exiting the tunnel, and then calculate the muck quality M of this ring according to the total weights when full and empty. z, the calculation formula is:

[0058] M z = M L - M U ;

[0059] Among them, M L is the total weight of the muck truck after loading soil, and M U is the empty vehicle weight of the muck truck before entering the tunnel; M Z is the muck discharge quality, that is, the muck discharge quality of the shield tunneling ring.

[0060] Furthermore, in the present invention, considering various strata and corresponding injection conditions, among them, the stratum conditions include single strata and composite strata; the stratum injection condition information includes first injection condition information and second injection condition information, the first injection condition information is injecting foam and water, and the second injection condition information is injecting foam, water, bentonite and polymer; the water-rich stratum types include rich water strata and water-rich strata; the over-excavated stratum types include single-stratum over-excavation and multi-stratum over-excavation.

[0061] Step S20, when the type of the stratum condition is single strata and the stratum injection condition information is the first injection condition information, generate the corresponding over-excavated volume according to the first calculation formula and the muck discharge quality.

[0062] Specifically, in the present invention, when the type of the stratum condition is single strata and injecting foam agent and water, then calculate the over-excavated volume according to the first calculation formula.

[0063] Furthermore, when the type of the stratum condition is single strata and the stratum injection condition information is the first injection condition information, generating the corresponding over-excavated volume according to the first calculation formula and the muck discharge quality specifically includes:

[0064] When the type of the stratum condition is single strata and the stratum injection condition information is the first injection condition information, obtain the muck moisture content, soil particle density and natural porosity;

[0065] Substitute the muck discharge quality, the muck moisture content, the soil particle density and the natural porosity into the first calculation formula to calculate the corresponding over-excavated volume.

[0066] Specifically, when the type of the stratum condition is single strata and injecting foam agent and water (applicable to both water-rich and non-water-rich strata), obtain the soil sample in the muck truck to calculate the muck moisture content ω m and the soil particle density ρ m , where ρ m can also be obtained through geological exploration data, then the soil particle volume V s in the muck can be obtained:

[0067]

[0068] Then, obtain the natural porosity n according to the geological exploration data g , and calculate the volume V of the excavated soil in the actual formation o . The specific calculation formula is as follows:

[0069]

[0070] Then, the calculation formula of the over-excavated volume ΔV in the formation, that is, the first calculation formula, is expressed as:

[0071]

[0072] Among them, V t is the theoretical muck volume, A s is the shield excavation face area, and d is the tunneling distance.

[0073] In another embodiment of the present invention, obtain the natural water content ω through geological exploration data g for calculation. First, calculate the particle mass M of the muck according to the muck water content s :

[0074]

[0075] Then, according to the natural water content ω of the formation g , calculate the mass M of the actual excavated muck in the formation o :

[0076] M o = M s (1 + ω g );

[0077] Then, the calculation process of the theoretical muck mass M t is as follows:

[0078] M t = ρ g A s d;

[0079] The corresponding over-excavated volume is calculated as follows:

[0080]

[0081] Through this method, it is also possible to calculate the corresponding over-excavated volume when the type of formation condition is a single formation and the formation injection situation information is the first injection situation information.

[0082] Step S30: When the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information, determine the water-rich type of the formation, and generate a corresponding over-excavation volume based on the water-rich type and the muck quality.

[0083] Specifically, when the type of the formation condition is a single formation and water, foam, bentonite, and polymer are used as modifiers for injection into the formation, the water-rich type of the formation is distinguished accordingly to calculate the over-excavation volume separately.

[0084] Further, when the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information, determining the water-rich type of the formation and generating a corresponding over-excavation volume based on the water-rich type and the muck quality specifically includes:

[0085] When the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information, determine the water-rich type of the formation;

[0086] When the water-rich type is a non-water-rich formation, obtain the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and obtain the formation density, the shield excavation face area, and the tunneling distance. Substitute the muck quality, the formation density, the shield excavation face area, the tunneling distance, and the densities and volumes of the foam mixture, bentonite, water, and polymer solution into the second calculation formula to generate a corresponding over-excavation volume;

[0087] When the water-rich type is a water-rich formation, obtain the densities and volumes of the bentonite and polymer solution, obtain the density of water, the formation density, the shield excavation face area, and the tunneling distance, and substitute the obtained muck quality, the density of water, the formation density, the shield excavation face area, the tunneling distance, and the densities and volumes of the bentonite and polymer solution into the third calculation formula to generate a corresponding over-excavation volume.

[0088] Specifically, when the type of the formation condition is a single formation and the formation injection condition information is that water, foam, bentonite, and polymer are used as modifiers for injection, obtain the water-rich type of the formation in this environment accordingly. When the water-rich type is a non-water-rich formation, obtain the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and obtain the formation density, the shield excavation face area, and the tunneling distance. Correspondingly, the mass of the excavated muck in the formation in this case can be directly calculated according to the mass of the excavated muck:

[0089] M o =M z -ρ f V f -ρ b V b -ρ w V w-ρ p V p ;

[0090] In the formula, ρ f , ρ b , ρ w and ρ p are the densities of the foam mixture, bentonite, water and polymer solution; V f , V b , V w and V p are the volumes of the foam solution, bentonite, water and polymer solution.

[0091] Then, the over-excavation amount within the shield tunneling ring, i.e., the over-excavation volume, can be expressed by the following second calculation formula:

[0092]

[0093] Among them, ρ g represents the formation density. That is, substituting the corresponding values of the muck quality, formation density, shield excavation face area, tunneling distance, and the densities and volumes of the foam mixture, bentonite, water and polymer solution into the second calculation formula can obtain the over-excavation volume in this case.

[0094] When the water-rich type is a water-rich formation, obtain the densities and volumes of the bentonite and polymer solution, obtain the density of water, formation density, shield excavation face area and tunneling distance, and first calculate the mass of the excavated soil in the original formation through the following formula:

[0095] M o = M z -ρ b V b -ρ p V p +ρ w (V b +V p );

[0096] Then, the over-excavation amount within the shield tunneling ring, i.e., the over-excavation volume at this time, can be obtained through the following third calculation formula:

[0097]

[0098] That is, substituting the muck quality, density of water, formation density, shield excavation face area, tunneling distance, and the densities and volumes of the bentonite and polymer solution into the corresponding third calculation formula can obtain the over-excavation volume in this case.

[0099] Step S40: When the type of the formation condition is a composite formation and the formation injection condition information is the first injection condition information, determine whether over-excavation occurs based on the muck quality. When over-excavation occurs, determine the type of over-excavated formation and generate the corresponding over-excavated volume according to the type of over-excavated formation.

[0100] Specifically, in the present invention, when the type of the formation condition is a composite formation and the formation injection condition information is injecting foam and water, first determine whether over-excavation occurs at this time. If over-excavation occurs, calculate the corresponding over-excavated volume, and when there is no over-excavation, it means that the muck volume meets the requirements and the corresponding over-excavated volume can be not calculated.

[0101] Further, when the type of the formation condition is a composite formation and the formation injection condition information is the first injection condition information, determine whether over-excavation occurs based on the muck quality. When over-excavation occurs, determine the type of over-excavated formation and generate the corresponding over-excavated volume, which specifically includes:

[0102] When the type of the formation condition is a composite formation and the formation injection condition information is the first injection condition information, obtain the muck moisture content and the muck dry density, and calculate the first volume according to the muck moisture content, the muck dry density and the muck quality;

[0103] Obtain the natural density, the natural moisture content, the dry density of each formation at the tunneling face and the area of the soil layer at the excavation face, calculate the second volume according to the first volume, and determine whether over-excavation occurs based on the first volume and the second volume. When over-excavation occurs, determine the type of over-excavated formation;

[0104] When the type of over-excavated formation is single-formation over-excavation, obtain the formation porosity, and generate the corresponding over-excavated volume according to the first volume, the second volume and the formation porosity;

[0105] When the type of over-excavated formation is multi-formation over-excavation, obtain the formation porosity and the area at the excavation face of each formation, and generate the corresponding over-excavated volume according to the first volume, the second volume, the formation porosity and the area at the excavation face of each formation.

[0106] When the type of the formation condition is a composite formation, when injecting foam and water, obtain the muck moisture content and the muck dry density, and calculate the volume of the excavated muck in the original soil layer, that is, the first volume, according to the muck moisture content, the muck dry density and the muck quality through the following formula:

[0107]

[0108] where, ω m is the muck moisture content, and ρ m is the muck dry density.

[0109] Then, obtain the natural density, natural water content, dry density of each stratum at the tunneling face, and the area of the soil layer at the excavation face, and calculate the total volume V of the theoretical discharged muck particles corresponding to the first volume through the first volume calculation. t , that is, the second volume:

[0110]

[0111] Among them, ρ gi is the natural density of each stratum at the tunneling face, i represents different strata, ω gi represents the natural water content of each stratum at the tunneling face, ρ si represents the dry density of each stratum at the tunneling face, and A i represents the area of the soil layer of each stratum at the excavation face in the excavation face.

[0112] When the second volume is not less than the first volume, there is no over-excavation in Changsha at this time.

[0113] When the second volume is less than the first volume, it represents over-excavation. Considering that the over-excavation is mainly caused by the collapse of the soft soil layer in the excavation face, the over-excavated soil layer is preferably considered to be caused by the collapse of the upper soil layers such as pebble soil, gravel soil, and sand layer in the composite stratum that are prone to collapse.

[0114] At this time, for a single stratum, that is, single-stratum over-excavation, obtain the porosity n of the stratum gj , then the corresponding over-excavated volume is:

[0115]

[0116] For the composite stratum, obtain the areas of each stratum at the excavation face as A1, A2…A j , the porosity of the stratum is n g1 , n g2 …n gj , then the corresponding over-excavated volume is:

[0117]

[0118] Through the above formula, when the type of the stratum condition is a composite stratum and the stratum injection condition information is the first injection condition information, the corresponding over-excavated volumes of single-stratum over-excavation and multi-stratum over-excavation are calculated.

[0119] Step S50: When the type of the stratum condition is a composite stratum and the stratum injection condition information is the second injection condition information, judge the water-rich type of the stratum, and judge whether there is over-excavation according to the water-rich type of the stratum and the muck quality. When there is over-excavation, judge the type of the over-excavated stratum, and generate the corresponding over-excavated volume according to the water-rich type of the stratum and the type of the over-excavated stratum.

[0120] When the type of formation condition is composite formation and the formation injection condition information is the second injection condition information, for different formation water-rich types, different calculation methods are used to judge whether over-excavation occurs and to calculate the over-excavated volume.

[0121] Furthermore, when the type of formation condition is composite formation and the formation injection condition information is the second injection condition information, judge the formation water-rich type, and judge whether over-excavation occurs according to the formation water-rich type and the muck quality. When over-excavation occurs, judge the over-excavated formation type, and generate the corresponding over-excavated volume according to the formation water-rich type and the over-excavated formation type, specifically including:

[0122] When the type of formation condition is composite formation and the formation injection condition information is the second injection condition information, judge the formation water-rich type;

[0123] When the formation water-rich type is a non-water-rich formation, obtain the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and calculate the first mass according to the muck quality;

[0124] Obtain the driving distance, the natural densities of the formations at the driving face, and the area of the soil layer in the excavation face, calculate the second mass, and judge whether over-excavation occurs according to the first mass and the second mass. When over-excavation occurs, judge the over-excavated formation type;

[0125] When the over-excavated formation type is single-formation over-excavation, obtain the formation density, and generate the corresponding over-excavated volume according to the formation density, the first mass, and the second mass;

[0126] When the over-excavated formation type is multi-formation over-excavation, obtain the areas and densities of the formations in the excavation face, and generate the corresponding over-excavated volume according to the first mass, the second mass, and the areas and densities of the formations in the excavation face.

[0127] Specifically, at this time, the type of formation condition is composite formation, the formation injection condition information is the second injection condition information, and the formation water-rich type is a non-water-rich formation. Correspondingly, obtain the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and calculate the mass of the excavated muck according to the muck quality, that is, the first mass:

[0128] M o =M z -ρ f V f -ρ w V w -ρ b V b -ρ p V p ;

[0129] Calculate the theoretical muck quality, i.e., the second quality, based on the tunneling distance, the natural density of each stratum at the tunneling face, and the area of the soil layer in the excavation face:

[0130] M t = ∑A i ρ gi d;

[0131] When the second quality is not less than the first quality, over-excavation does not occur at this time.

[0132] When the second quality is less than the first quality, over-excavation exists. Considering the tunneling of the shield in the composite stratum, the over-excavation is mainly caused by the collapse of the soft soil layer in the excavation face. The over-excavated soil layer is preferably considered to be caused by the collapse of the upper soil layers such as cobblestone soil, gravel soil, and sand layer that are prone to collapse in the composite stratum. At this time, judge the corresponding over-excavated stratum type. When it is single-stratum over-excavation, obtain the stratum density ρ j , and calculate the over-excavated volume at this time according to the stratum density, the first quality, and the second quality:

[0133]

[0134] When it is multi-stratum over-excavation, calculate the area of each stratum in the excavation face and the area density ρ1, ρ2…ρ of each stratum in the excavation face at this time j , and calculate the over-excavated volume at this time:

[0135]

[0136] Substitute the first quality, the second quality, and the area and density of each stratum in the excavation face into the above formula, and the over-excavated volume at this time can be obtained.

[0137] Furthermore, when the type of the stratum condition is a composite stratum and the stratum injection situation information is the second injection situation information, judge the stratum water-rich type, and then it further includes:

[0138] When the stratum water-rich type is a water-rich stratum, obtain the area of each stratum in the excavation face, the area of the water-bearing stratum in the excavation face, the area of the non-water-bearing stratum in the excavation face, as well as the density and volume of the foam mixture, bentonite, water, and polymer solution, and calculate the third quality according to the muck quality;

[0139] Obtain the tunneling distance, the natural density of each stratum at the tunneling face, and the area of the soil layer in the excavation face, calculate the fourth quality, and judge whether over-excavation occurs according to the third quality and the fourth quality. When over-excavation occurs, judge the over-excavated stratum type;

[0140] When the over-excavated stratum type is single-stratum over-excavation, obtain the stratum density, and generate the corresponding over-excavated volume according to the stratum density, the third quality, and the fourth quality;

[0141] When the over-excavated stratum type is multi-stratum over-excavation, obtain the area and density of each stratum on the excavation face, and generate the corresponding over-excavated volume according to the third mass, the fourth mass, and the area and density of each stratum on the excavation face.

[0142] Specifically, when the type of stratum condition is a composite stratum and the stratum injection situation information is the second injection situation information, when the water-rich stratum type is a water-rich stratum, the water-bearing strata (j1, j2…ji) and non-water-bearing strata (k1, k2…ki) in the composite stratum are considered separately. The volume of the first injected modifier is evenly distributed according to the proportion of each stratum on the excavation face. For the water-rich stratum, the injected water can be replaced by pore water in an equal volume. For the non-water-rich stratum, the modifier is evenly mixed with the stratum.

[0143] At this time, obtain the area of each stratum on the excavation face, the area of the water-bearing stratum on the excavation face, the area of the non-water-bearing stratum on the excavation face, as well as the density and volume of the foam mixture, bentonite, water, and polymer solution, and calculate the mass of the muck in the original stratum, that is, the third mass, through the following formula:

[0144]

[0145]

[0146] The corresponding fourth mass is calculated through the tunneling distance, the natural density of each stratum on the tunneling face, and the area of the soil layer on the excavation face. The calculation formula is:

[0147] M t =∑A i ρ gi d;

[0148] Judge whether over-excavation occurs according to the third mass and the fourth mass. If the fourth mass is not less than the third mass, no over-excavation occurs; if the fourth mass is less than the third mass, over-excavation occurs, and it is considered that the over-excavated soil layer is caused by the collapse of the upper soil layer such as cobblestone soil, gravel soil, and sand layer in the composite stratum that is prone to collapse.

[0149] At this time, calculate the over-excavated volume corresponding to the over-excavated stratum type. When the over-excavated stratum is single-stratum over-excavation, obtain the density ρ j of this stratum, and the over-excavated volume in the stratum is:

[0150]

[0151] When the over-excavated stratum type is multi-stratum over-excavation, obtain the natural densities of the over-excavated strata as ρ g1 , ρ g2 …ρ gj , then the over-excavated volume is:

[0152]

[0153] Substitute the third mass, the fourth mass, and the area and density of each stratum at the excavation face, and the over-excavated volume at this time can be obtained.

[0154] In the above steps, it is judged whether over-excavation occurs according to the calculation results. If over-excavation occurs, the tunneling parameters and the muck improvement plan are appropriately adjusted according to the stratum conditions to reduce the over-excavated volume. In addition, the excavated earthwork volume measured by the present invention can also be related to the ground settlement for predicting the tunneling behavior.

[0155] Furthermore, in the present invention, by Figure 2 To further describe the present invention, different methods are used to calculate the over-excavated volume for single strata and composite strata in the present invention, that is, when the formation injection condition information is different, the corresponding over-excavated volume is calculated respectively, so that the present invention adopts different methods for corresponding calculations for different situations.

[0156] In addition, in an embodiment of the present invention, the water content of the muck is tested in the following manner: Take more than 3 aluminum boxes, take muck samples on the belt conveyor when the shield discharges muck, and then conduct water content tests. The water content (ω m ) takes the average value; or it is measured by installing a water content tester in the muck truck. The natural porosity n g of the soil in the stratum, the natural water content ω g and the natural density ρ g of the soil are obtained from the geological exploration data; the injection amounts of various modifiers, such as the injection volume V f of the foam mixture, the injection volume V w of water, and the injection volume V b of bentonite, are obtained from the statistical system after each ring of tunneling by the shield; the specific gravity of bentonite is obtained by testing the mud specific gravity, and the mud specific gravity test is carried out by sampling from the mud mixing tank on the shield equipment bridge; the specific gravity ρ s of the muck is obtained by conducting a specific gravity test on the muck sampled from the muck truck; the specific gravity ρ si of each layer of soil is obtained by conducting a specific gravity test on the samples of each layer of soil taken from the borehole core samples during geological exploration.

[0157] The present invention obtains the slag discharge quality, and obtains the classified formation conditions and formation injection condition information; when the type of the formation condition is a single formation and the formation injection condition information is the first injection condition information, a corresponding overexcavation volume is generated according to the first calculation formula and the slag discharge quality; when the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information, the water-rich type of the formation is judged, and a corresponding overexcavation volume is generated according to the water-rich type and the slag discharge quality; when the type of the formation condition is a composite formation and the formation injection condition information is the first injection condition information, it is judged whether overexcavation occurs based on the slag discharge quality. When overexcavation occurs, the overexcavated formation type is judged, and a corresponding overexcavation volume is generated according to the overexcavated formation type; when the type of the formation condition is a composite formation and the formation injection condition information is the second injection condition information, the water-rich type of the formation is judged, and it is judged whether overexcavation occurs according to the water-rich type of the formation and the slag discharge quality. When overexcavation occurs, the overexcavated formation type is judged, and a corresponding overexcavation volume is generated according to the water-rich type of the formation and the overexcavated formation type. The present invention comprehensively considers factors such as the formation type, the type and dosage of the admixture, and the parameter acquisition conditions. For the overexcavation volume in different situations, accurate and rapid calculation can be performed, so as to realize the control of the shield slag discharge and ensure the normal tunneling of the shield.

[0158] Further, as Figure 3 shown, based on the above method for generating the overexcavation volume in the earth pressure balance shield formation, the present invention also correspondingly provides a system for generating the overexcavation volume in the earth pressure balance shield formation, wherein the system for generating the overexcavation volume in the earth pressure balance shield formation includes:

[0159] A data acquisition module 31, configured to acquire the slag discharge quality, and acquire the classified formation conditions and formation injection condition information;

[0160] A first calculation module 32, configured to generate a corresponding overexcavation volume according to the first calculation formula and the slag discharge quality when the type of the formation condition is a single formation and the formation injection condition information is the first injection condition information;

[0161] A second calculation module 33, configured to judge the water-rich type of the formation and generate a corresponding overexcavation volume according to the water-rich type and the slag discharge quality when the type of the formation condition is a single formation and the formation injection condition information is the second injection condition information;

[0162] A third calculation module 34, configured to judge whether overexcavation occurs based on the slag discharge quality when the type of the formation condition is a composite formation and the formation injection condition information is the first injection condition information. When overexcavation occurs, judge the overexcavated formation type, and generate a corresponding overexcavation volume according to the overexcavated formation type;

[0163] The fourth calculation module 35 is configured to determine the water-rich type of the formation when the type of the formation condition is a composite formation and the formation injection condition information is the second injection condition information, determine whether over-excavation occurs according to the water-rich type of the formation and the muck quality, determine the over-excavated formation type when over-excavation occurs, and generate the corresponding over-excavation volume according to the water-rich type of the formation and the over-excavated formation type.

[0164] Further, as Figure 4 shown, based on the above method and system for generating the over-excavation volume in the earth pressure balance shield formation, the present invention also correspondingly provides a terminal, and the terminal includes a processor 10, a memory 20, and a display 30. Figure 4 Only some components of the terminal are shown, but it should be understood that it is not required to implement all the shown components, and more or fewer components can be alternatively implemented.

[0165] The memory 20 may be an internal storage unit of the terminal in some embodiments, such as the hard disk or memory of the terminal. The memory 20 may also be an external storage device of the terminal in other embodiments, such as a plug-in hard disk equipped on the terminal, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. Further, the memory 20 may also include both the internal storage unit and the external storage device of the terminal. The memory 20 is used to store the application software installed on the terminal and various types of data, such as the program code for installing the terminal. The memory 20 may also be used to temporarily store the data that has been output or will be output. In one embodiment, an over-excavation volume generation program 40 for the earth pressure balance shield formation is stored on the memory 20, and the over-excavation volume generation program 40 for the earth pressure balance shield formation can be executed by the processor 10, so as to implement the method for generating the over-excavation volume in the earth pressure balance shield formation of the present invention.

[0166] The processor 10 may be a central processing unit (CPU), a microprocessor, or other data processing chips in some embodiments, and is used to run the program code stored in the memory 20 or process data, such as executing the method for generating the over-excavation volume in the earth pressure balance shield formation.

[0167] The display 30 may be an LED display, a liquid crystal display, a touch liquid crystal display, and an OLED (organic light-emitting diode) toucher, etc. in some embodiments. The display 30 is used to display the information in the terminal and to display a visual user interface.

[0168] In one embodiment, when the processor 10 executes the overexcavation volume generation program 40 in the soil pressure balance shield formation in the memory 20, the steps of the above-mentioned method for generating the overexcavation volume in the soil pressure balance shield formation are implemented.

[0169] The present invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores an overexcavation volume generation program for the soil pressure balance shield formation, and when the overexcavation volume generation program for the soil pressure balance shield formation is executed by a processor, the steps of the above-mentioned method for generating the overexcavation volume in the soil pressure balance shield formation are implemented.

[0170] It should be noted that in this article, the terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or terminal. Without more limitations, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, article or terminal including that element.

[0171] Of course, those of ordinary skill in the art can understand that all or part of the processes of implementing the above-mentioned embodiment methods can be completed by instructing relevant hardware (such as a processor, a controller, etc.) through a computer program. The program can be stored in a computer-readable storage medium that can be read by a computer. When the program is executed, it can include the processes of the above-mentioned method embodiments. The computer-readable storage medium can be a memory, a magnetic disk, an optical disk, etc.

[0172] It should be understood that the application of the present invention is not limited to the above examples. For those of ordinary skill in the art, improvements or transformations can be made according to the above description. All such improvements and transformations should fall within the protection scope of the appended claims of the present invention.

Claims

1. A method for generating the over-excavated volume in the formation of an earth pressure balance shield tunneling machine, characterized in that, The method for generating the over-excavation volume in the formation of an earth pressure balance shield tunneling machine includes: Obtaining the mass of the excavated soil, and obtaining the classified formation conditions and information on the formation injection situation; When the type of the formation condition is a single formation and the information on the formation injection situation is the first injection situation information, generating the corresponding over-excavation volume according to the first calculation formula and the mass of the excavated soil; When the type of the formation condition is a single formation and the information on the formation injection situation is the second injection situation information, judging the water-rich type of the formation, and generating the corresponding over-excavation volume according to the water-rich type and the mass of the excavated soil; When the type of the formation condition is a composite formation and the information on the formation injection situation is the first injection situation information, judging whether over-excavation occurs based on the mass of the excavated soil. When over-excavation occurs, judging the type of the over-excavated formation, and generating the corresponding over-excavation volume according to the type of the over-excavated formation; When the type of the formation condition is a composite formation and the information on the formation injection situation is the second injection situation information, judging the water-rich type of the formation, judging whether over-excavation occurs according to the water-rich type of the formation and the mass of the excavated soil. When over-excavation occurs, judging the type of the over-excavated formation, and generating the corresponding over-excavation volume according to the water-rich type of the formation and the type of the over-excavated formation.

2. The method for generating the over-excavated volume in the formation of an earth pressure balance shield according to claim 1, wherein, The formation conditions include a single formation and a composite formation; The information on the formation injection situation includes the first injection situation information and the second injection situation information. The first injection situation information is injecting foam and water, and the second injection situation information is injecting foam, water, bentonite, and polymer; The water-rich types of the formation include a rich water formation and a water-rich formation; The types of the over-excavated formation include single-formation over-excavation and multi-formation over-excavation.

3. The method for generating the overexcavation volume in the formation of an earth pressure balance shield according to claim 1, characterized in that, The step of, when the type of the formation condition is a single formation and the information on the formation injection situation is the first injection situation information, generating the corresponding over-excavation volume according to the first calculation formula and the mass of the excavated soil specifically includes: When the type of the formation condition is a single formation and the information on the formation injection situation is the first injection situation information, obtaining the water content of the muck, the density of soil particles, and the natural porosity; Substituting the mass of the excavated soil, the water content of the muck, the density of soil particles, and the natural porosity into the first calculation formula to calculate the corresponding over-excavation volume.

4. The method for generating the overexcavation volume in the formation of an earth pressure balance shield according to claim 2, wherein The step of, when the type of the formation condition is a single formation and the information on the formation injection situation is the second injection situation information, judging the water-rich type of the formation, and generating the corresponding over-excavation volume according to the water-rich type and the mass of the excavated soil specifically includes: When the type of the formation condition is a single formation and the information on the formation injection situation is the second injection situation information, judging the water-rich type of the formation; When the water-rich type is a non-water-rich formation, obtaining the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and obtaining the formation density, the area of the shield excavation face, and the tunneling distance. Substituting the mass of the excavated soil, the formation density, the area of the shield excavation face, the tunneling distance, and the densities and volumes of the foam mixture, bentonite, water, and polymer solution into the second calculation formula to generate the corresponding over-excavation volume; When the water-rich type is a water-rich stratum, obtain the densities and volumes of bentonite and polymer solution, obtain the density of water, the stratum density, the shield excavation face area, and the tunneling distance, and substitute the obtained muck quality, the density of water, the stratum density, the shield excavation face area, the tunneling distance, and the densities and volumes of bentonite and polymer solution into the third calculation formula to generate the corresponding over-excavated volume.

5. The method for generating the over-excavated volume in the formation of an earth pressure balance shield according to claim 2, wherein When the type of the stratum condition is a composite stratum and the stratum injection condition information is the first injection condition information, determine whether over-excavation occurs based on the muck quality. When over-excavation occurs, determine the over-excavated stratum type and generate the corresponding over-excavated volume according to the over-excavated stratum type. Specifically, it includes: When the type of the stratum condition is a composite stratum and the stratum injection condition information is the first injection condition information, obtain the water content of the muck and the dry density of the muck, and calculate the first volume according to the water content of the muck, the dry density of the muck, and the muck quality. Obtain the natural density, natural water content, dry density of each stratum on the tunneling face, and the area of the soil layer on the excavation face, calculate the second volume according to the first volume, and determine whether over-excavation occurs based on the first volume and the second volume. When over-excavation occurs, determine the over-excavated stratum type. When the over-excavated stratum type is single-stratum over-excavation, obtain the stratum porosity, and generate the corresponding over-excavated volume according to the first volume, the second volume, and the stratum porosity. When the over-excavated stratum type is multi-stratum over-excavation, obtain the stratum porosity and the area on the excavation face of each stratum, and generate the corresponding over-excavated volume according to the first volume, the second volume, the stratum porosity, and the area on the excavation face of each stratum.

6. The method for generating the overexcavation volume in the soil pressure balance shield formation according to claim 2, wherein, When the type of the stratum condition is a composite stratum and the stratum injection condition information is the second injection condition information, determine the water-rich type of the stratum, and determine whether over-excavation occurs based on the water-rich type of the stratum and the muck quality. When over-excavation occurs, determine the over-excavated stratum type, and generate the corresponding over-excavated volume according to the water-rich type of the stratum and the over-excavated stratum type. Specifically, it includes: When the type of the stratum condition is a composite stratum and the stratum injection condition information is the second injection condition information, determine the water-rich type of the stratum. When the water-rich type of the stratum is a non-water-rich stratum, obtain the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and calculate the first mass according to the muck quality. Obtain the tunneling distance, the natural density of each stratum on the tunneling face, and the area of the soil layer in the excavation face, calculate the second mass, and determine whether over-excavation occurs based on the first mass and the second mass. When over-excavation occurs, determine the over-excavated stratum type. When the over-excavated stratum type is single-stratum over-excavation, obtain the stratum density, and generate the corresponding over-excavated volume according to the stratum density, the first mass, and the second mass. When the over-excavated stratum type is multi-stratum over-excavation, obtain the areas and densities of each stratum in the excavation face, and generate the corresponding over-excavated volume according to the first mass, the second mass, the areas, and the densities of each stratum in the excavation face.

7. The method for generating the over-excavated volume in the soil pressure balance shield formation according to claim 6, wherein When the type of the stratum condition is a composite stratum and the stratum injection condition information is the second injection condition information, after determining the water-rich type of the stratum, it further includes: When the water-rich type of the strata is water-rich strata, obtain the areas of each stratum at the excavation face, the area of the water-bearing stratum at the excavation face, the area of the non-water-bearing stratum at the excavation face, as well as the densities and volumes of the foam mixture, bentonite, water, and polymer solution, and calculate the third mass according to the muck quality. Obtain the tunneling distance, the natural densities of each stratum at the tunneling face, and the area of the soil stratum at the excavation face, calculate the fourth mass, and judge whether there is over-excavation according to the third mass and the fourth mass. When there is over-excavation, judge the type of over-excavated stratum. When the type of over-excavated stratum is single-stratum over-excavation, obtain the stratum density, and generate the corresponding over-excavated volume according to the stratum density, the third mass, and the fourth mass. When the type of over-excavated stratum is multi-stratum over-excavation, obtain the areas and densities of each stratum at the excavation face, and generate the corresponding over-excavated volume according to the third mass, the fourth mass, and the areas and densities of each stratum at the excavation face.

8. An over-excavated volume generation system in the stratum of an earth pressure balance shield tunneling machine, characterized in that, The over-excavated volume generation system for the earth pressure balance shield stratum includes: A data acquisition module, configured to acquire the muck quality, and acquire classified stratum conditions and stratum injection situation information. A first calculation module, configured to generate the corresponding over-excavated volume according to the first calculation formula and the muck quality when the type of the stratum condition is a single stratum and the stratum injection situation information is the first injection situation information. A second calculation module, configured to judge the water-rich type of the stratum and generate the corresponding over-excavated volume according to the water-rich type and the muck quality when the type of the stratum condition is a single stratum and the stratum injection situation information is the second injection situation information. A third calculation module, configured to judge whether there is over-excavation based on the muck quality when the type of the stratum condition is a composite stratum and the stratum injection situation information is the first injection situation information. When there is over-excavation, judge the type of over-excavated stratum, and generate the corresponding over-excavated volume according to the type of over-excavated stratum. A fourth calculation module, configured to judge the water-rich type of the stratum, judge whether there is over-excavation according to the water-rich type of the stratum and the muck quality when the type of the stratum condition is a composite stratum and the stratum injection situation information is the second injection situation information. When there is over-excavation, judge the type of over-excavated stratum, and generate the corresponding over-excavated volume according to the water-rich type of the stratum and the type of over-excavated stratum.

9. A terminal, characterized in that, The terminal includes: a memory, a processor, and an over-excavated volume generation program for the earth pressure balance shield stratum stored on the memory and executable on the processor. When the over-excavated volume generation program for the earth pressure balance shield stratum is executed by the processor, the steps of the over-excavated volume generation method for the earth pressure balance shield stratum as described in any one of claims 1-7 are implemented.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores an over-excavated volume generation program for the earth pressure balance shield stratum. When the over-excavated volume generation program for the earth pressure balance shield stratum is executed by the processor, the steps of the over-excavated volume generation method for the earth pressure balance shield stratum as described in any one of claims 1-7 are implemented.

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