Construction method for preventing slope from collapsing in construction process

Abstract

The invention relates to the technical field of slope engineering construction, in particular to a construction method for preventing collapse in a slope construction process, which comprises the following steps of: dividing at least two unit slope sections in a preset slope excavation area along the direction from the slope top to the slope bottom; when the first unit slope section is constructed, the first slope surface is exposed; a supporting structure is arranged at the bottom of the first slope surface; based on the supporting structure, a protection structure is arranged along the outer surface of the first slope surface; and other unit slope sections are constructed according to the protection mode of the first unit slope section. The construction of the slope is split from the slope top to the slope bottom according to the unit slope section, so that protection is carried out while excavation construction is carried out on the unit slope section, the anti-collapse capacity of the unit slope section is improved, and therefore the construction method can be applied to slope construction in rainy seasons or areas where rainy days are frequent; the construction reliability of the side slope under severe conditions is improved; and the construction risk is reduced.

Description

Technical Field

[0001] This application relates to the field of slope engineering construction technology, and more specifically, to a construction method for preventing slope collapse during construction. Background Technology

[0002] A slope refers to an artificial slope or natural slope that adversely affects the safety or stability of buildings or structures, formed by excavation or filling work during construction or municipal engineering projects at or around a construction site. Because slopes have a certain inclination, under the influence of gravity and rainwater infiltration, they will slide downhill along certain weak surfaces or zones, either as a whole or in parts, resulting in a landslide. Landslides can cause significant damage to people, roads, and infrastructure.

[0003] In existing technologies, slope protection designs are typically implemented to mitigate the risk of landslides. However, slope protection construction often only considers the stability and erosion resistance of the slope after construction, neglecting the stability and erosion resistance during the construction process. Especially in rainy seasons or areas with high rainfall, excessive water content in the slope during construction can easily lead to shallow collapses, making it difficult to ensure construction safety and control construction costs and timelines. Summary of the Invention

[0004] This application addresses the shortcomings of existing methods by proposing a construction method to prevent slope collapse during construction. This method aims to solve at least one technical problem in related technologies, such as low safety factor, long construction period, or high construction cost when constructing slopes in rainy seasons or areas with frequent showers.

[0005] This application provides a construction method for preventing slope collapse during construction, including: In the area of ​​the pre-excavated slope, divide it into at least two unit slope segments along the direction from the top of the slope to the bottom of the slope; When constructing the first unit slope section, the first slope surface is exposed; a support structure is set at the bottom of the first slope surface; based on the support structure, a protective structure is set along the outer surface of the first slope surface; Following the same protection method as the first unit slope section, construct other unit slope sections.

[0006] Specifically, the main technical concept of this application lies in dividing the slope construction into unit slope segments from the top to the bottom. This allows for simultaneous excavation and protection within each unit slope segment, improving its anti-collapse capacity. Consequently, this application can be applied to slope construction in rainy seasons or areas with frequent rainfall, enhancing the reliability of slope construction under harsh conditions and reducing construction risks. It is understood that shortening the construction length of the slope by unit slope segments reduces landslide risk at the structural level, while protective structures reduce landslide risk at the physical level. In other words, this application, through the division of slope segments and the layered protection of each segment, jointly reduces the risk of collapse during construction and in already constructed slope segments. It is suitable for slope construction in harsh environments, enabling normal slope construction even in rainy seasons or areas with heavy rainfall. This allows for effective control of construction costs and timelines under limited slope construction conditions.

[0007] Furthermore, before installing the protective structure, the first slope is covered with a protective membrane; After all unit slope sections have been constructed, the protective membrane is removed.

[0008] Specifically, another technical concept of this application is to protect the constructed unit slope section with a protective membrane, thereby preventing rainwater from seeping into the constructed unit slope section and further reducing the risk of collapse.

[0009] Furthermore, prior to constructing the first slope section, the following also includes: Before constructing the first unit slope section, the following is also included: Based on the current geological parameters, establish a mapping model between the construction height and the stability coefficient of the first slope. The construction height is determined based on the mapping model and the preset stability threshold. Based on the construction height, determine the total number of segments per unit slope section.

[0010] Specifically, another technical concept of this application is to determine a reasonable number of construction segments by using a mapping model and a stability threshold, so as to ensure the reliability of construction while also enabling orderly construction of the slope.

[0011] Furthermore, the current geological parameters include cohesion, internal friction angle, and unit weight.

[0012] Optionally, after the construction of all unit slope sections is completed, including: The foundation structure is constructed at the bottom of the slope. Based on the aforementioned basic structure, the protective structure is fixed from bottom to top.

[0013] Furthermore, the protective structure includes: A crossbeam is used to be installed transversely along the first slope. A longitudinal beam is provided along the longitudinal direction of the first slope and connected to the transverse beam; An anchor rod is connected at one end to the connection between the crossbeam and the longitudinal beam, and the other end is inserted into the first slope, with a support angle between it and the first slope.

[0014] Furthermore, the support structure is configured as vertically arranged ground piles and connected to the crossbeam and / or the connection between the crossbeam and the longitudinal beam.

[0015] Optionally, in-frame protection may be provided within each frame formed between the crossbeam and the longitudinal beam.

[0016] Optionally, the foundation structure includes a ground beam; The ground beam is set laterally and embedded in the bottom of the slope to connect the protective structure.

[0017] Specifically, another technical concept of this application is to improve the overall anti-sliding capacity of the slope by using ground beams, so that the final slope has high anti-sliding stability.

[0018] Furthermore, the basic structure also includes a drainage ditch located at the bottom of the slope.

[0019] The beneficial technical effects of the technical solutions provided in this application include: During slope construction, the slope is divided into multiple unit slope segments along the direction from the top to the bottom, allowing for sequential construction of each segment from top to bottom. For each unit slope segment, taking the first unit slope segment at the top as an example, the first unit slope segment is excavated to expose the first slope surface, which becomes the slope surface after it is formed. Due to the shorter length of the first slope surface, it can effectively prevent collapse even in harsh environments such as rainy weather, improving the reliability of slope construction in rainy conditions. Furthermore, after the first slope surface is formed, a support structure is installed at its bottom. This support structure first supports the protective structure of the first slope surface, allowing for individual protection of each unit slope surface before the slope is fully formed. This improves the collapse resistance of each unit slope segment after construction, thereby enhancing the reliability of the slope construction process and reducing safety risks. Therefore, the construction method for preventing slope collapse during construction provided in this application can effectively improve the slope collapse prevention capability during construction, enabling this application to be applied to harsh construction scenarios such as rainy seasons and areas with frequent rainfall, and to achieve effective control over construction risks, construction period and construction costs in such construction scenarios.

[0020] Additional aspects and advantages of this application will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of this application. Attached Figure Description

[0021] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein: Figure 1 A schematic flowchart illustrating a construction method for preventing slope collapse during construction, provided in an embodiment of this application. Figure 2 A schematic flowchart illustrating a construction method for preventing slope collapse during construction of two unit slope sections, as provided in another embodiment of this application; Figure 3 for Figure 2 A cross-sectional view of the first unit slope section under construction; Figure 4 for Figure 2 Cross-sectional view of the second unit slope section construction; Figure 5 for Figure 2 Cross-sectional view of the middle slope after construction is completed; Figure 6 for Figure 5 View from direction A; Figure label: 1. First unit slope section; 2. Second unit slope section; 3. Support structure; 4. Protective structure; 5. Protective membrane; 6. Ground piles; 7. Drainage ditch; 11. First slope surface; 21. Second slope surface; 41. Crossbeam; 42. Longitudinal beam; 43. Anchor bolt; 44. Internal protection. Detailed Implementation

[0022] The embodiments of this application are described below with reference to the accompanying drawings. It should be understood that the embodiments described below with reference to the accompanying drawings are exemplary descriptions for explaining the technical solutions of the embodiments of this application, and do not constitute a limitation on the technical solutions of the embodiments of this application.

[0023] Those skilled in the art will understand that, unless specifically stated otherwise, the terms "described" and "the" as used herein may also include plural forms. It should be further understood that the term "comprising" as used in the specification of this application means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude other features, information, data, steps, operations, elements, components, and / or combinations thereof supported by this art. The term "and / or" as used herein refers to at least one of the items defined by the term; for example, "A and / or B" can be implemented as "A," or as "B," or as "A and B."

[0024] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0025] This application mainly relates to a construction method for preventing slope collapse during construction. By constructing the slope in sections and providing layered protection after each section is constructed, the applicability of this application to harsh environments can be effectively improved, giving it the advantages of low construction risk and the ability to be carried out in rainy weather.

[0026] The research and development approach of this application includes: firstly, reducing the length of the excavated slope surface during construction by dividing the slope into unit segments, thereby controlling the risk of landslides during slope excavation and reducing the risk of collapse. Then, supporting structures are used to reinforce the protective structure of the constructed unit slope segments, improving their resistance to landslides and ultimately enhancing the overall collapse resistance of the slope during construction. This makes the application applicable to extreme and harsh environments such as rainy seasons or rainy days.

[0027] The technical solution of this application and how it solves the above-mentioned technical problems are described in detail below with specific embodiments. It should be noted that the following embodiments can be referenced, borrowed, or combined with each other, and the same terms, similar features, and similar implementation steps in different embodiments will not be described again.

[0028] Alternatively, please refer to Figure 1 This is a schematic flowchart illustrating a construction method for preventing slope collapse during construction, as provided in an embodiment of this application.

[0029] First, in the area of ​​the pre-excavated slope, divide the slope into at least two unit slope segments along the direction from the top to the bottom. A slope refers to an artificial slope or a natural slope that adversely affects the safety or stability of buildings or structures, formed by excavation or filling work during construction or municipal engineering projects on or around the construction site. In other words, a unit slope segment in this application refers to a portion of the slope of an artificial slope. For example, when an artificial slope is divided into two unit slope segments, a unit slope segment refers to half of the slope; when it is divided into three unit slope segments, a unit slope segment refers to one-third of the slope. Furthermore, based on common forms of slope support structures, the common slope height is between 10m and 30m, with soil slopes preferably less than 15m and rock slopes preferably less than 30m. Therefore, taking an overall slope height of 15m in the area of ​​the pre-excavated slope as an example, when divided into two unit slope segments, each unit slope segment has a height of 7.5m; when divided into three unit slope segments, each unit slope segment has a height of 5m, and so on. Meanwhile, to increase redundancy during excavation, a certain allowance can be added to the height of each unit slope segment. When the height of each unit slope segment is 5m, the actual excavation volume can be 5.5m. Since the slope is exposed during excavation without any reinforcement or protection, it is highly susceptible to instability and collapse in rainy conditions. The slope construction method in this application divides the overall slope into multiple unit slope segments. Because the height of each unit slope segment is less than the overall height of the slope, the unit weight and internal friction angle of each segment will decrease, thereby improving the stability of the unit slope segment and reducing the risk of collapse during the construction of the side spans.

[0030] Then, construction is carried out sequentially on each unit slope segment from the top to the bottom. Taking the first unit slope segment 1 starting from the top as an example, during the construction of the first unit slope segment 1, the excavated material of the first unit slope segment 1 is excavated to expose the first slope surface 11. The excavated material refers to the rock and soil mass stripped out to form the slope structure, which has different compositions under different geological conditions, such as earthwork or rockwork. That is, the first slope surface 11 is an unprotected bare slope surface during the excavation process. After exposing the first slope surface 11, a support structure 3 is set at the bottom of the first slope surface 11, such as vertically set ground piles 6, to transfer the load of the superstructure to the deep, stable soil or rock layers. When the construction height of the unit slope segment is 5.5m, the depth of the ground piles 6 can be 2-3m, about 1 / 3-1 / 2 of the unit slope segment, to provide stable and reliable structural support. Then, based on the support structure 3, a protective structure 4 is set along the outer surface of the first slope surface 11. It is understandable that, since the first slope surface 11 of the first unit slope segment 1 is supported and protected by the support structure 3 and the protective structure 4 after excavation, the unfinished first slope surface 11 can be temporarily protected, thereby improving the stability of the first unit slope segment 1 during the construction of other unit slope segments and preventing the first unit slope segment 1 from collapsing during the construction of other unit slope segments.

[0031] Finally, referring to the protection method of the first unit slope segment 1, other unit slope segments are constructed. That is, the construction of other unit slope segments also follows the construction sequence of the first unit slope segment 1: first, the excavated material is excavated to expose the slope surface; then, a support structure 3 is installed at the bottom of the slope surface; finally, based on the support structure 3, a protective structure 4 is installed along the outer surface of the slope surface. Therefore, in the entire slope construction process, after the slope surface excavation of each unit slope segment is completed, a protective structure 4 is installed through the support structure 3 at the bottom of the slope surface to achieve temporary slope protection. Therefore, this application can provide layer-by-layer protection for unit slope segments during slope construction, ensuring that the slope surface after excavation of each unit slope segment has erosion resistance during construction, guaranteeing the integrity of each slope surface during construction, and improving the slope's anti-collapse capability during rainy weather construction.

[0032] In some embodiments, this application illustrates the technical concept of the application through the construction of slopes in two unit slope sections. Please refer to... Figure 2 This is a schematic flowchart illustrating a construction method for preventing slope collapse during construction of two unit slope sections, as provided in another embodiment of this application.

[0033] The slope is divided into two connected unit slope segments 1 and 2 according to the construction conditions. Unit slope segment 1 is close to the top of the slope, and unit slope segment 2 is close to the bottom of the slope.

[0034] The construction process of the first unit slope section 1 can be referenced. Figure 3 To understand, Figure 3 for Figure 2A cross-sectional view of the construction of the first unit slope segment 1. First, construction equipment, such as excavators and blasting equipment, is used to excavate the material from the first unit slope segment 1, exposing the first slope surface 11 while retaining the excavated material from the second unit slope segment 2. At this point, only the first slope surface 11 is at risk of shallow collapse due to rainwater erosion. Because the overall height of the first slope surface 11 is much smaller than the overall height of the side slope, the unit weight and internal friction angle of the first slope surface 11 are controllable, making the excavation process of the first slope surface 11 relatively stable and effectively preventing collapse during the construction of the first unit slope segment 1. Simultaneously, after the first slope surface 11 is completely exposed, a support structure 3 is installed at the bottom of the first slope surface 11. For example, piles 6 are driven into the bottom of the first slope surface 11 using a pile driver. The piles 6 will provide load support through the stable soil and rock layer below. Based on the support structure 3, a protective structure 4 is installed along the outer surface of the first slope surface 11. Since the protective structure 4 can be supported by the supporting structure 3, it can protect the first slope 11 after excavation, preventing it from collapsing during subsequent unit slope construction. Simultaneously, to prevent rainwater erosion from increasing the density and decreasing the cohesion of the first slope 11, a protective membrane 5, such as a waterproof fabric, can be laid on the outer surface of the first slope 11, effectively resisting rainwater erosion. It is understood that the construction of the protective membrane 5 and the supporting structure 3 can proceed concurrently, without any specific order.

[0035] Furthermore, the protective structure 4 includes a crossbeam 41, a longitudinal beam 42, and anchor bolts 43. The construction of the protective structure 4 includes: first, fixing the bottom crossbeam 41 to the support structure 3 at the bottom of the slope; then, according to the connection points between the crossbeam 41 and the support structure 3, sequentially fixing the longitudinal beams 42 to the crossbeam 41 or the support structure 3; and finally, fixing the other crossbeams 41 to the longitudinal beams 42. In addition, the connection points between the crossbeams 41 and the longitudinal beams 42 are also fixed to the soil and rock layer within the first slope surface 11 by anchor bolts 43. A pre-set support angle is established between the anchor bolts 43 and the first slope surface 11, as referenced... Figure 3 The α angle is defined, with a value ranging from 70° to 110°. Simultaneously, the angle between the α angle and the ground is less than 90°. The α angle is used to provide load support through the soil and rock layer inside the first slope 11, ensuring that the connection point between the crossbeam 41 and the longitudinal beam 42 is fixed to the first slope 11, further improving the stability of the protective structure 4. It is understood that the crossbeam 41 and longitudinal beam 42 include square tubes, channel steel, etc., and the anchor rod 43 includes reinforcing bars, round tubes, etc. The fixing methods between the crossbeam 41, longitudinal beam 42, and anchor rod 43 include welding, bolt connection, etc.

[0036] Optionally, the spacing between the crossbeams 41 and the longitudinal beams 42 can be adjusted according to the geology of the slope and the construction environment. For example, the crossbeams 41 can be set according to their height, for example, one crossbeam 41 can be set every 2m-3m; the longitudinal beams 42 can be set according to their longitudinal length, for example, one longitudinal beam 42 can be set every 1.5m-3m.

[0037] The construction process of the second unit slope section 2 can be referenced. Figure 4 To understand, Figure 4 for Figure 2 A cross-sectional view of the construction of the second unit slope section 2. At this point, the excavation and protection of the first slope surface 11 of the first unit slope section 1 have been completed. Based on this, the excavated material of the second unit slope section 2 is first excavated using construction equipment, exposing the second slope surface 21. At this point, since the first slope surface 11 is protected by a protective structure, only the second slope surface 21 is at risk of shallow collapse due to rainwater erosion. Because the height of the second slope surface 21 is much lower than the overall height of the slope, there is no risk of collapse during the excavation of the second slope surface 21. Then, a support structure 3 is installed at the bottom of the second slope surface 21, and based on the support structure 3, a protective structure 4 is installed along the outer surface of the second slope surface 21. Simultaneously, a protective membrane 5 is laid on the outer surface of the second slope surface 21.

[0038] After the first unit slope section 1 and the second unit slope section 2 are completed, please refer to... Figure 5 . Figure 5 for Figure 2 A cross-sectional view of the completed slope. A foundation structure, such as a ground beam, is installed at the bottom of the second unit slope segment 2. The ground beam is configured as a square tube or channel steel, extending laterally to support the protective structure 4. Simultaneously, the ground beam extends longitudinally along the connection points of the longitudinal beams 42, and is buried underground to improve its overall load-bearing capacity. The depth of the ground beam's burial can be 1-3 meters. At this point, the ground beams can support the protective structure 4 of both the second unit slope segment 2 and the first unit slope segment 1 layer by layer, thus completing the overall slope construction. Because the slope in this application is supported by both ground beams and anchor bolts 43 and ground piles 6, it has a stronger load-bearing capacity compared to slopes constructed as a whole in the prior art, making it more suitable for slopes in areas with abundant rainfall.

[0039] Optionally, the foundation structure also includes a drainage ditch 7 located at the bottom of the slope to collect rainwater flowing down the slope, preventing rainwater from seeping into the ground and causing the ground beam to corrode or loosen, thereby further improving the reliability of the ground beam.

[0040] Alternatively, please refer to Figure 6 for Figure 5The A-direction view shows that this application provides an internal protection 44 within the frame between the horizontal beam 41 and the longitudinal beam 42. The internal protection 44 includes vegetation netting, greening, etc. It is understood that the construction of the internal protection 44 of the previous unit slope segment can be carried out simultaneously with the construction of the next unit slope segment, thereby improving the construction efficiency of the slope.

[0041] Optionally, according to Figures 2-6 The application describes a construction method for slope construction of two unit slope sections. This application can also be used for slope construction of three or four unit slope sections.

[0042] Optionally, before constructing the first unit slope segment 1, this application further includes: establishing a mapping model between the construction height and stability coefficient of the first slope surface 11 based on current geological parameters. The mapping model is used to determine the relationship between the construction height and the stability coefficient based on geological parameters. As the construction height increases, the capacity of the unit slope segment gradually increases, and the risk of collapse also gradually increases. Therefore, this application analyzes the stability of unit slope segments at different construction heights using parameters such as cohesion, internal friction angle, unit weight, and slope gradient, which can be measured or calculated. When the construction height continuously increases until the stability coefficient corresponding to a certain construction height is less than the stability threshold, it can be determined that the unit slope segment at that construction height has a significant risk of collapse. At this time, this application can use the stability threshold to identify the construction height with a lower risk of collapse. Then, this application will divide the number of unit slope segments according to the construction height with controllable collapse risk, so that the construction of any unit slope segment is within a controllable range, thus providing the reliability of this application. For example, this application establishes a formula based on the positive correlation between the stability coefficient and cohesion and the internal friction angle, and the negative correlation between the stability coefficient and the construction height and unit weight. This formula can be used to predict the stability coefficient, and the construction height can be calculated using a preset stability threshold. It is understood that cohesion is related to the water content of the geology; the higher the water content, the lower the cohesion. Therefore, cohesion can be used to assess the impact of rainfall on the stability coefficient. Simultaneously, cohesion is also related to the internal friction angle. When the internal friction angle is >35°, the cohesion is greater than 0.13; when 27° < internal friction angle <35°, the cohesion ranges from 0.09 to 0.13. Thus, cohesion can be characterized by its correlation with water content and internal friction.

[0043] In summary, this application provides a construction method to prevent slope collapse during construction. The working principle is as follows: During slope construction, segmented unit slope sections are constructed sequentially from the top to the bottom of the slope. The increased number of unit slope sections reduces the construction height of the bare slope, thereby improving its stability. Simultaneously, in the construction of the first unit slope section, the first slope surface is exposed and protected by supporting and protective structures. This layered protection method enhances the protective capacity and stability of each unit slope section during construction. Finally, other unit slope sections are constructed layer by layer according to the protection method of the first unit slope section. Because each unit slope section is protected by protective structures during construction, this application can be used for slope construction in rainy seasons or areas with frequent rainfall, ensuring construction safety, efficiency, and cost-effectiveness under severe weather conditions.

[0044] Those skilled in the art will understand that the steps, measures, and solutions in the various operations, methods, and processes discussed in this application can be alternated, modified, combined, or deleted. Furthermore, other steps, measures, and solutions in the various operations, methods, and processes discussed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted. Furthermore, steps, measures, and solutions in related technologies that are similar to those disclosed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted.

[0045] In the description of this application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate directions or positional relationships based on the exemplary directions or positional relationships shown in the accompanying drawings. They are used to facilitate the description or simplification of the embodiments of this application and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0046] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0047] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0048] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0049] The above description is only a partial embodiment of this application. It should be noted that for those skilled in the art, other similar implementation methods based on the technical concept of this application, without departing from the technical concept of this application, also fall within the protection scope of the embodiments of this application.

Claims

1. A construction method for preventing slope collapse during construction, characterized in that, include: In the area of ​​the pre-excavated slope, divide it into at least two unit slope segments along the direction from the top of the slope to the bottom of the slope; When constructing the first unit slope section, the first slope surface is exposed; a support structure is set at the bottom of the first slope surface; based on the support structure, a protective structure is set along the outer surface of the first slope surface; Following the same protection method as the first unit slope section, construct other unit slope sections.

2. The construction method for preventing slope collapse during construction as described in claim 1, characterized in that, Before installing the protective structure, the first slope surface is covered with a protective membrane; After all unit slope sections have been constructed, the protective membrane is removed.

3. The construction method for preventing slope collapse during construction as described in claim 2, characterized in that, Before constructing the first unit slope section, the following is also included: Based on the current geological parameters, establish a mapping model between the construction height and the stability coefficient of the first slope. The construction height is determined based on the mapping model and the preset stability threshold. Based on the construction height, determine the total number of segments per unit slope section.

4. The construction method for preventing slope collapse during construction as described in claim 3, characterized in that, The current geological parameters include cohesion, internal friction angle, and unit weight.

5. The construction method for preventing slope collapse during construction as described in claim 3, characterized in that, After the construction of all unit slope sections is completed, including: The foundation structure is constructed at the bottom of the slope. Based on the aforementioned basic structure, the protective structure is fixed from bottom to top.

6. The construction method for preventing slope collapse during construction as described in claim 5, characterized in that, The protective structure includes: A crossbeam is used to be installed transversely along the first slope. A longitudinal beam is provided along the longitudinal direction of the first slope and connected to the transverse beam; An anchor rod is connected at one end to the connection between the crossbeam and the longitudinal beam, and the other end is inserted into the first slope, with a support angle between it and the first slope.

7. The construction method for preventing slope collapse during construction as described in claim 6, characterized in that, The support structure is configured as vertically arranged ground piles and connected to the crossbeam and / or the connection between the crossbeam and the longitudinal beam.

8. The construction method for preventing slope collapse during construction as described in claim 6, characterized in that, Internal protection is installed within each frame formed between the horizontal beam and the vertical beam.

9. The construction method for preventing slope collapse during construction as described in claim 5, characterized in that, The basic structure includes a ground beam; The ground beam is set laterally and embedded in the bottom of the slope to connect the protective structure.

10. The construction method for preventing slope collapse during construction as described in claim 9, characterized in that, The basic structure also includes drainage ditches located at the bottom of the slope.

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