Quality acceptance inspection method and system for water conservancy construction engineering

By obtaining and analyzing various data of the dam, calculating the safety thickness and optimal bending angle, automatically analyzing the quality of water conservancy projects and formulating adjustment plans, the problems of low efficiency and poor accuracy of water conservancy projects in the existing technology are solved, and the improvement is achieved Efficient and accurate assessment results.

CN119417299AActive Publication Date: 2025-02-11CANGZHOU WATER CONSERVANCY ENG CHU
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Patent Information

Application Number
CN202411489662.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-02-11
Estimated Expiration
2044-10-24

AI Technical Summary

Technical Problem

The existing water conservancy project quality inspection methods and systems have problems such as high maintenance costs, high technical thresholds and narrow popularization, resulting in low assessment efficiency and poor results accuracy.

Method used

By obtaining a variety of data on the dam, including reservoir depth, historical rainfall data, etc., the safety thickness and optimal bending angle of the dam are calculated, the project quality is automatically analyzed and the adjustment plan is formulated to reduce manual operations and errors.

Benefits of technology

It improves the efficiency and accuracy of water conservancy project quality assessment, reduces the burden of manual assessment, and the generated acceptance reports and assessment results are more credible and objective.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a quality acceptance inspection method and system for water conservancy construction engineering, and belongs to the field of quality acceptance inspection. The problem of low water conservancy project quality acceptance efficiency is solved; the method specifically comprises the following steps: S1, obtaining dam body data; s2, the newly-added water storage capacity of the dam is estimated, and index data are calculated according to the shape of the near-water-side dam body and in combination with the newly-added water storage capacity; s3, analyzing the dam body data according to the index data, and judging whether the engineering quality of the dam is qualified or not; if qualified, not processing; if not, making a dam adjustment scheme according to the dam body data; s4, the dam adjustment schemes are gathered and fed back; according to the method, the related data of the dam is acquired, processed and analyzed, the quality of the water conservancy project is objectively analyzed, and the water conservancy project quality acceptance efficiency and the quality evaluation accuracy are improved.
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Description

Technical Field

[0001] The invention discloses a quality acceptance inspection method and a system for a water conservancy construction project, and relates to the field of quality acceptance. Background Art

[0002] The existing quality inspection methods and systems for water conservancy projects have the following deficiencies:

[0003] High maintenance cost: During the analysis process, existing methods or systems require a variety of data acquisition devices to obtain a large amount of necessary and unnecessary data, which results in high construction costs. At the same time, regular maintenance and upgrades of data acquisition equipment are also a continuous expense.

[0004] High technical threshold: Although the existing system has a user-friendly interface, it is still difficult to operate for some people who lack relevant skills. This may lead to erroneous or improper operation of the system during use, thus affecting the analysis results.

[0005] Narrow popularization: In the process of quality acceptance and assessment, the existing methods or systems mostly adopt analysis methods that compare the real data of water conservancy projects with a unified indicator, lacking the analysis concept of adapting to local conditions; and the standards for assessing the quality of water conservancy projects are also affected by human subjective judgment, resulting in certain deviations or unfairness in the assessment results. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention aims to provide a quality acceptance inspection method and system for water conservancy construction projects, aiming to solve the problem of low efficiency in quality acceptance of water conservancy projects.

[0007] In order to achieve the above object, the present invention is implemented through the following technical scheme: a quality acceptance inspection method and system for water conservancy construction projects include:

[0008] Step S1: obtaining the reservoir depth, reservoir area, safe water level depth, dam body bending angle and maximum dam body thickness of the dam as dam body data;

[0009] Step S2: Obtain historical rainfall data in the waters upstream of the dam and estimate the newly added water storage capacity of the dam; determine the shape of the dam body near the water side, and calculate the safe thickness and optimal bending angle of the dam based on the shape of the dam body near the water side and the newly added water storage capacity to obtain index data;

[0010] Step S3: Analyze the dam body data according to the index data to determine whether the engineering quality of the dam is qualified; if qualified, no processing is done; if unqualified, formulate a dam adjustment plan according to the dam body data;

[0011] Step S4: Summarize the dam adjustment plan and provide feedback; continuously update the dam body data and historical rainfall data, and update the dam adjustment plan.

[0012] Furthermore, the specific steps of step S2 are as follows:

[0013] Step S21: Obtain the average rainfall in the water area upstream of the dam in the past three years as historical rainfall data;

[0014] The newly added water storage capacity is recorded as rr. The value of rr is estimated and determined based on historical rainfall data.

[0015] Step S22: record the depth of the reservoir as lh, the area of ​​the reservoir as ls, and the safety water level depth as lo;

[0016] The height of the dam corresponding to the newly added water storage is recorded as lx; the calculation formula of lx is: lx = l o + (rr / ls);

[0017] Compare the size of lx and lh;

[0018] If lx ≥ lh, it means that the dam's limit water level is unsafe, and steps S23 to S27 are skipped, and upstream flow limitation is prompted, and step S3 is entered;

[0019] If lx<lh, it means that the ultimate water level of the dam is safe, and the safe thickness of the dam is calculated, and the process goes to step S23;

[0020] Step S23: Obtain the compressive strength coefficient of the dam body building materials, denoted as pe;

[0021] Determine the shape of the dam near the water side;

[0022] If the shape of the dam body near the water is a plane, proceed to step S24;

[0023] If the shape of the dam body near the water is an inclined surface, proceed to step S25;

[0024] Step S24: The shape of the dam body near the water is a plane, and the safe thickness of the plane dam with respect to lx is calculated, which is recorded as ch1;

[0025] Step S25: The shape of the dam body near the water is a slope, and the safe thickness of the slope dam with respect to lx is calculated, which is recorded as ch2;

[0026] Step S26: obtaining the elastic modulus of the dam body building material, recorded as te; calculating the optimal bending angle of the dam, recorded as angle θ;

[0027] Step S27: Summarize the data in steps S24 to S26 as index data.

[0028] Furthermore, the specific steps of step S21 are as follows:

[0029] Step S211: the average rainfall in the water area upstream of the dam in the third year is recorded as ra;

[0030] The average rainfall in the waters upstream of the dam in the second year is recorded as rb;

[0031] The average rainfall in the waters upstream of the dam in the first year is recorded as rc;

[0032] Step S212: Calculate the rate of change of average rainfall from the third year to the second year, denoted as ba (3-2) ;

[0033] Calculate the rate of change of average rainfall from the second year to the first year, denoted as ba (2-1) ;

[0034] Step S213: Calculate the ratio of rb:rc, recorded as bb and cc, that is, rb:rc = bb:cc; calculate the sum of bb and cc, recorded as d;

[0035] According to ba (3-2) ,ba (2-1) , rb and rc construct the state transfer matrix, recorded as matrix B;

[0036] Use the NumPy library function to iterate the matrix B and obtain the steady-state transfer matrix, which is recorded as matrix B1;

[0037] Step S214: define a 1×2 order receiving matrix {bb / d,cc / d}, denoted as matrix B2; calculate the matrix B1 multiplied by the matrix B2 to obtain the matrix B3;

[0038] Calculate the average value of each element in matrix B3 as the value of rr.

[0039] The specific steps of step S24 are as follows:

[0040] Step S241: obtaining the area of ​​the water side of the plane dam body, recorded as hs1;

[0041] Calculate the waterfront area of ​​the plane dam body, denoted as hhs1;

[0042] Calculate the compressive strength of the unit water-facing surface of the plane dam body, denoted as ape;

[0043] Step S242: Calculate the duration of the dam body water level drop, recorded as th;

[0044] Calculate the continuous scouring velocity of the outlet caused by the drop in the dam water level, recorded as vh;

[0045] Step S243: Calculate the safety thickness ch1 of the plane dam with respect to lx;.

[0046] The specific steps of step S25 are as follows:

[0047] Step S251: obtaining the area of ​​the water side of the inclined dam body, recorded as hs2;

[0048] Obtain the angle between the inclined dam and the ground, recorded as angle α;

[0049] Calculate the waterfront area of ​​the sloped dam, recorded as hhs2;

[0050] Step S252: Calculate the compressive strength of the unit water-facing surface of the inclined dam body, denoted as bpe;

[0051] Get the length of the dam reservoir, recorded as ll; calculate the volume of water in the slope dam reservoir, recorded as Vw2;

[0052] Step S253: Calculate the safety thickness ch2 of the slope dam with respect to lx;

[0053] Among them, ρ represents the density of water, th represents the duration of the water level drop in the dam body, and vh represents the continuous scouring speed of the outlet caused by the drop in the water level in the dam body.

[0054] The specific steps of step S26 are as follows:

[0055] Step S261: Obtain the width of the dam reservoir, denoted as ww;

[0056] Get the water flow velocity in the water area upstream of the dam, denoted as vr;

[0057] Step S262: Calculate the concave distance of the concave surface of the dam, denoted as Δl;

[0058] Step S263: Determine a parameter calculation formula for Δl according to the shape of the dam body on the water side, which is recorded as formula b;

[0059] Step S264: Calculate the value of Δl according to formula b in step S263, denoted as oo l.

[0060] The specific steps of step S3 are as follows:

[0061] Step S31: the bending angle of the dam body is recorded as β, and the maximum thickness of the dam body is recorded as cho;

[0062] Step S32: judging whether the thickness of the dam body is qualified according to the shape of the dam body near the water side;

[0063] Step S321: the dam body is in a plane shape;

[0064] If cho≥ch1, it means that the dam body thickness is qualified and no treatment is required;

[0065] If cho<ch1, it means that the thickness of the dam body is unqualified, and the thickness of the dam body should be increased to ch1;

[0066] Step S322: the dam body is in the shape of an inclined surface;

[0067] If cho≥ch2, it means that the dam body thickness is qualified and no treatment is required;

[0068] If cho<ch2, it means that the thickness of the dam body is unqualified, and the thickness of the dam body should be increased to ch2;

[0069] Step S33: Calculate the ratio of (β / θ), recorded as bb; determine whether bb is close to 1, and determine whether the bending angle of the dam body is qualified;

[0070] Step S34: if the upstream flow restriction is prompted in step S22, the flow velocity of the water in the water area upstream of the dam is restricted for a second time, and the flow velocity of the water in the water area upstream of the dam after the second restriction is recorded as vzz;

[0071] If step S22 does not prompt upstream current limiting, no processing is performed;

[0072] Step S35: Summarize the analysis results of steps S31 to S34 as a dam adjustment plan.

[0073] The specific steps of step S33 are as follows:

[0074] Step S331: If bb→1, it means that the bending angle of the dam body is qualified and no processing is done;

[0075] Step S332: If bb>1, it means that the bending angle of the dam body is large, and secondary reinforcement is performed according to the thickness of the dam;

[0076] Step S333: if bb<1, it means that the bending angle of the dam body is small, and the flow is limited according to the flow velocity of the water area upstream of the dam;

[0077] The water flow velocity after flow restriction in the water area upstream of the dam is denoted as vz.

[0078] The specific steps of step S332 are as follows:

[0079] Step S3321: Replace θ with β, and substitute β into formula c in reverse order to calculate the concave distance corresponding to β, recorded as bo l;

[0080] Step S3322: According to the shape of the dam body near the water side, reversely calculate the thickness of the dam body, which is recorded as bch;

[0081] Step S3323: Based on the bch calculated in step S3322, the thickness of the dam body is thickened to bch.

[0082] A quality acceptance inspection system for a water conservancy construction project comprises:

[0083] Data acquisition module: used to obtain the reservoir depth, reservoir area, safe water level depth, dam body bending angle and maximum dam body thickness of the dam as dam body data;

[0084] Data calculation module: used to obtain historical rainfall data in the waters upstream of the dam and estimate the newly added water storage capacity of the dam; determine the shape of the dam body near the water side, and calculate the safe thickness and optimal bending angle of the dam based on the shape of the dam body near the water side and the newly added water storage capacity to obtain index data;

[0085] Data analysis module: used to analyze the dam body data according to the index data to determine whether the engineering quality of the dam is qualified; if qualified, no processing will be done; if unqualified, a dam adjustment plan will be formulated according to the dam body data;

[0086] User interaction module: used to summarize dam adjustment plans and provide feedback; continuously update dam body data and historical rainfall data, and update dam adjustment plans.

[0087] Compared with the prior art, the present invention has the following beneficial effects:

[0088] Improved evaluation efficiency: The present invention can obtain data of water conservancy projects in real time, process and analyze the acquired data, and generate acceptance reports and evaluation results. This not only reduces the burden of manual evaluation, but also improves the accuracy and efficiency of evaluation.

[0089] Improve the accuracy of evaluation results: The present invention conducts multi-angle analysis based on the water conservancy project itself and the environment in which the project is located, takes into account the conventional index evaluation of project quality, and resets the project indicators according to the environment in which the project is located, so that the project evaluation results are more accurate and more objective.

[0090] Improve assessment efficiency: The present invention greatly reduces the time and errors of manual operations through automated data processing and data updating, realizes rapid assessment and problem inspection of water conservancy projects, and improves the assessment efficiency of water conservancy projects. At the same time, the present invention also proposes adjustment plans based on the actual conditions of water conservancy projects and the real defects of water conservancy projects, so as to further improve the credibility of the assessment results. BRIEF DESCRIPTION OF THE DRAWINGS

[0091] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0092] Figure 1 It is a schematic diagram of the method of the present invention;

[0093] Figure 2 It is a schematic diagram of the system of the present invention;

[0094] Figure 3 It is a schematic diagram of a plane dam body of the present invention;

[0095] Figure 4 It is a schematic diagram of the inclined dam body of the present invention. DETAILED DESCRIPTION

[0096] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0097] Embodiment 1

[0098] See also Figure 1 A quality inspection method for water conservancy construction projects includes:

[0099] It should be noted that the "water conservancy construction project" in the present invention refers to "dam";

[0100] Step S1: Obtain the reservoir depth, reservoir area, safe water level depth, dam body bending angle and maximum dam body (bottom) thickness of the dam as dam body data;

[0101] Step S2: Obtain historical rainfall data of the water area upstream of the dam and estimate the newly added water storage capacity of the dam; determine the shape of the dam body near the water side (i.e., plane or slope), and calculate the safe thickness and optimal bending angle of the dam based on the shape of the dam body near the water side and the newly added water storage capacity to obtain index data;

[0102] The specific steps of step S2 are as follows:

[0103] Step S21: Obtain the average rainfall in the water area upstream of the dam in the past three years as historical rainfall data;

[0104] The newly added water storage capacity is recorded as rr. The value of rr is estimated and determined based on historical rainfall data.

[0105] Step S211: the average rainfall in the water area upstream of the dam in the third year is recorded as ra;

[0106] The average rainfall in the waters upstream of the dam in the second year is recorded as rb;

[0107] The average rainfall in the waters upstream of the dam in the first year is recorded as rc;

[0108] Step S212: Calculate the rate of change of average rainfall from the third year to the second year (in the waters upstream of the dam), denoted as ba (3-2) ;ba (3-2) The calculation formula is as follows:

[0109] ba(3-2) =1-(rc / *rb);

[0110] Calculate the rate of change of average rainfall from the second year to the first year (in the waters upstream of the dam), recorded as ba (2-1) ;ba (2-1) The calculation formula is as follows:

[0111] ba (2-1) =1-(rb / *ra);

[0112] Step S213: Calculate the ratio of rb:rc, recorded as bb and cc, that is, rb:rc = bb:cc; calculate the sum of bb and cc, recorded as d;

[0113] According to ba (3-2) ,ba (2-1) , rb and rc construct the state transfer matrix, recorded as matrix B; the mathematical expression of matrix B is as follows:

[0114] Where n represents the number of iterations of matrix B, × represents matrix multiplication; n is a natural number, and its initial value is 1; each time matrix B is iterated, n is increased by 1 on the original basis;

[0115] Use the NumPy library function to iterate the matrix B and obtain the steady-state transfer matrix, which is recorded as matrix B1;

[0116] Step S214: define a 1×2 order receiving matrix {bb / d,cc / d}, denoted as matrix B2; calculate the matrix B1 multiplied by the matrix B2 to obtain the matrix B3;

[0117] Calculate the average value of each element in the matrix B3 as the value of rr;

[0118] Step S22: record the depth of the reservoir as lh, the area of ​​the reservoir as ls, and the safety water level depth as lo;

[0119] The height of the dam corresponding to the newly added water storage is recorded as lx; the calculation formula of lx is: lx = l o + (rr / ls);

[0120] Compare the size of lx and lh;

[0121] If lx ≥ lh, it means that the dam's limit water level is unsafe, and steps S23 to S27 are skipped, and upstream flow limitation is prompted, and step S3 is entered;

[0122] If lx<lh, it means that the ultimate water level of the dam is safe, and the safe thickness of the dam is calculated, and the process goes to step S23;

[0123] Step S23: Obtain the compressive strength coefficient of the dam body building materials, denoted as pe;

[0124] Determine the shape of the dam body near the water (i.e. flat or inclined);

[0125] If the shape of the dam body near the water is a plane, proceed to step S24;

[0126] If the shape of the dam body near the water is an inclined surface, proceed to step S25;

[0127] It should be noted that the "dam body building materials" in the present invention refer to: concrete used for building dams.

[0128] Step S24: Please refer to Figure 3 , the shape of the dam body near the water is a plane, calculate the safe thickness of the plane dam with respect to lx, recorded as ch1;

[0129] Step S241: obtaining the area of ​​the water side of the plane dam body, recorded as hs1;

[0130] Calculate the water-facing area of ​​the plane dam body, denoted as hhs1; the calculation formula of hhs1 is: hhs1=(lx / lh)×hs1;

[0131] Calculate the compressive strength of the unit water-facing surface of the plane dam body, recorded as ape; the calculation formula of ape is: ape = hhs1 × pe;

[0132] Step S242: Calculate the duration of the dam body water level drop, recorded as th; the calculation formula of th is: th = (2 × lx / g) 1 / 2 ; Where g represents the heavy fire acceleration, and the value of g is 9.8m / s 2 ;

[0133] Calculate the continuous scouring speed of the outlet caused by the drop in the dam water level, recorded as vh; the calculation formula for vh is: vh = (2×lx×g) 1 / 2 ;

[0134] Step S243: Calculate the safe thickness ch1 of the plane dam with respect to lx; the calculation formula of ch1 is as follows: ch1 = [(Vw1×ρ)×vh] / (ape×th); ch1 is rounded up;

[0135] Wherein, Vw1 represents the volume of water in the plane dam reservoir, and the calculation formula of Vw1 is: Vw1 = ls × lx; ρ represents the density of water;

[0136] Step S25: Please refer to Figure 4 , the shape of the dam body near the water is a slope, calculate the safe thickness of the slope dam with respect to lx, recorded as ch2;

[0137] Step S251: obtaining the area of ​​the water side of the inclined dam body, recorded as hs2;

[0138] Obtain the (acute angle) between the inclined dam and the ground, recorded as angle α;

[0139] Calculate the water-facing area of ​​the sloped dam body, recorded as hhs2; the calculation formula of hhs2 is: hhs2 = (lx / lh) × hs2 × sin (α);

[0140] Step S252: Calculate the compressive strength of the unit water-facing surface of the inclined dam body, recorded as bpe; the calculation formula of bpe is: bpe=hhs2×pe×sin(α)×cos(α);

[0141] Get the length of the dam reservoir, recorded as ll; calculate the volume of water in the slope dam reservoir, recorded as Vw2; the calculation formula for Vw2 is:

[0142] Vw2={1-[lx 2 / [2×(ll×lx)×tan(α)]]}×(ls×lx);

[0143] Step S253: Calculate the safe thickness ch2 of the slope dam with respect to lx; the calculation formula of ch2 is as follows: ch2 = [(Vw2×ρ)×vh×sin(α)] / (bpe×th); ch2 is rounded up;

[0144] Among them, ρ represents the density of water, th represents the duration of the water level drop in the dam body, and vh represents the continuous scouring speed of the outlet caused by the water level drop in the dam body;

[0145] Step S26: obtaining the elastic modulus of the dam body building material, recorded as te; calculating the optimal bending angle of the dam, recorded as angle θ;

[0146] Step S261: Obtain the width of the dam reservoir, denoted as ww;

[0147] Get the water flow velocity in the water area upstream of the dam, denoted as vr;

[0148] Step S262: Calculate the concave (or convex) distance of the concave (or convex) surface of the dam, recorded as Δl; the relationship between Δl and the angle θ is: Δl / (ww / 2)=tan(θ), formula a;

[0149] Step S263: Determine a parameter calculation formula for Δl according to the shape of the dam body on the water side (i.e., a plane or an inclined surface), which is recorded as formula b;

[0150] If the dam body is a plane, the formula b is:

[0151] Among them, Vw1 represents the volume of water in the reservoir of the plane dam, ch1 represents the safe thickness of the plane dam with respect to lx;

[0152] If the dam body is an inclined surface, the formula b is:

[0153] Among them, Vw2 represents the volume of water in the slope dam reservoir, ch2 represents the safety thickness of the slope dam with respect to lx;

[0154] Step S264: Calculate the value of Δl according to formula b in step S263, and record it as oo l; substitute oo l into formula a and use the inverse tangent function to determine the value of angle θ. The calculation formula of angle θ is:

[0155] θ = arctan[oo l / (ww / 2)], formula c;

[0156] Step S27: Summarize the data in steps S24 to S26 as index data.

[0157] Step S3: Analyze the dam body data according to the index data to determine whether the engineering quality of the dam is qualified; if qualified, no processing is done; if unqualified, formulate a dam adjustment plan according to the dam body data;

[0158] The specific steps of step S3 are as follows:

[0159] Step S31: the bending angle of the dam body is recorded as β, and the maximum thickness of the dam body (at the bottom) is recorded as cho;

[0160] Step S32: judging whether the thickness of the dam body is qualified according to the shape of the dam body on the water side (i.e., plane or slope);

[0161] Step S321: the dam body is in a plane shape;

[0162] If cho≥ch1, it means that the dam body thickness is qualified and no treatment is required;

[0163] If cho<ch1, it means that the thickness of the dam body is unqualified, and the thickness of the dam body (bottom) should be thickened to ch1;

[0164] Step S322: the dam body is in the shape of an inclined surface;

[0165] If cho≥ch2, it means that the dam body thickness is qualified and no treatment is required;

[0166] If cho<ch2, it means that the thickness of the dam body is unqualified, and the thickness of the dam body (bottom) should be thickened to ch2;

[0167] Step S33: Calculate the ratio of (β / θ), recorded as bb; determine whether bb is close to 1, and determine whether the bending angle of the dam body is qualified;

[0168] Step S331: If bb→1, it means that the bending angle of the dam body is qualified and no processing is done;

[0169] Step S332: If bb>1, it means that the bending angle of the dam body is large, and secondary reinforcement is performed according to the thickness of the dam;

[0170] Step S3321: Replace θ with β, and substitute β into formula c in reverse order to calculate the concave (or convex) distance corresponding to β, recorded as bo l;

[0171] Step S3322: According to the shape of the dam body near the water side (i.e., plane or slope), reversely calculate the thickness of the dam body (bottom), recorded as bch;

[0172] If the dam body is a plane, the calculation formula of bch is:

[0173] Among them, Vw1 represents the volume of water in the reservoir of the plane dam, ch1 represents the safe thickness of the plane dam with respect to lx; vr represents the flow velocity of the water in the water area upstream of the dam, and te represents the elastic modulus of the dam body building material;

[0174] If the dam body is an inclined surface, the calculation formula for bch is:

[0175] Among them, Vw2 represents the volume of water in the slope dam reservoir, ch2 represents the safety thickness of the slope dam with respect to lx;

[0176] Step S3323: according to bch calculated in step S3322, the thickness of the dam (bottom) is increased to bch;

[0177] Step S333: if bb<1, it means that the bending angle of the dam body is small, and the flow is limited according to the flow velocity of the water area upstream of the dam;

[0178] The water velocity after flow restriction in the upstream water area of ​​the dam is recorded as vz; the calculation formula of vz is: vz = (1-bb) × vr;

[0179] Step S34: If step S22 prompts upstream flow restriction, the water flow velocity in the water area upstream of the dam is subject to secondary speed restriction, and the water flow velocity after secondary speed restriction in the water area upstream of the dam is recorded as vzz; the calculation formula of vzz is as follows:

[0180] vzz=|1-(lx / lh)|×vz; where lx represents the dam height corresponding to the newly added water storage capacity;

[0181] If step S22 does not prompt upstream current limiting, no processing is performed;

[0182] It should be noted that if the above “step S333” is not executed, the value of vz is vr;

[0183] Step S35: Summarize the analysis results of steps S31 to S34 as a dam adjustment plan.

[0184] Step S4: Summarize the dam adjustment plan and provide feedback; continuously update the dam body data and historical rainfall data, and update the dam adjustment plan.

[0185] Embodiment 2

[0186] See also Figure 2 A quality acceptance inspection system for water conservancy construction projects includes: a data acquisition module, a data calculation module, a data analysis module, a user interaction module, a database and a server; wherein the data acquisition module, the data calculation module, the data analysis module and the user interaction module are connected to the database and the server respectively.

[0187] Data acquisition module: used to obtain the reservoir depth, reservoir area, safe water level depth, dam body bending angle and maximum thickness of the dam body (bottom) as dam body data;

[0188] Data calculation module: used to obtain historical rainfall data in the waters upstream of the dam and estimate the newly added water storage capacity of the dam; determine the shape of the dam body near the water side (i.e., plane or slope), and calculate the safe thickness and optimal bending angle of the dam based on the shape of the dam body near the water side and the newly added water storage capacity to obtain index data;

[0189] Data analysis module: used to analyze the dam body data according to the index data to determine whether the engineering quality of the dam is qualified; if qualified, no processing will be done; if unqualified, a dam adjustment plan will be formulated according to the dam body data;

[0190] User interaction module: used to summarize dam adjustment plans and provide feedback; continuously update dam body data and historical rainfall data, and update dam adjustment plans.

[0191] The above formulas are all dimensionless and numerical calculations. The formula is a formula for the most recent real situation obtained by collecting a large amount of data and performing software simulation. The preset parameters in the formula are set by technical personnel in this field according to actual conditions. For example, if there are weight coefficients and proportional coefficients, their set sizes are to quantify each parameter to obtain a specific value, which is convenient for subsequent comparison. Regarding the size of the weight coefficient and the proportional coefficient, it is sufficient as long as it does not affect the proportional relationship between the parameter and the quantized value.

[0192] Finally, it should be noted that the above-described embodiments are only specific implementations of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above-described embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-described embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A quality inspection method for water conservancy construction projects, characterized in that: The method comprises: Step S1: obtaining the reservoir depth, reservoir area, safe water level depth, dam body bending angle and maximum dam body thickness of the dam as dam body data; Step S2: Obtain historical rainfall data in the waters upstream of the dam and estimate the newly added water storage capacity of the dam; determine the shape of the dam body near the water side, and calculate the safe thickness and optimal bending angle of the dam based on the shape of the dam body near the water side and the newly added water storage capacity to obtain index data; Step S3: Analyze the dam body data according to the index data to determine whether the engineering quality of the dam is qualified; if qualified, no processing is done; if unqualified, formulate a dam adjustment plan according to the dam body data; Step S4: Summarize the dam adjustment plan and provide feedback; continuously update the dam body data and historical rainfall data, and update the dam adjustment plan.

2. A quality inspection method for water conservancy construction projects according to claim 1, characterized in that: The specific steps of step S2 are as follows: Step S21: Obtain the average rainfall in the water area upstream of the dam in the past three years as historical rainfall data; The newly added water storage capacity is recorded as rr. The value of rr is estimated and determined based on historical rainfall data. Step S22: record the depth of the reservoir as lh, the area of ​​the reservoir as ls, and the safety water level depth as lo; The height of the dam corresponding to the newly added water storage is recorded as lx; compare lx with lh; If lx ≥ lh, it means that the dam's limit water level is unsafe, and steps S23 to S27 are skipped, and upstream flow restriction is prompted, and step S3 is entered; If lx<lh, it means that the ultimate water level of the dam is safe, and the safe thickness of the dam is calculated, and the process goes to step S23; Step S23: Obtain the compressive strength coefficient of the dam body building materials, denoted as pe; Determine the shape of the dam near the water side; If the shape of the dam body near the water is a plane, proceed to step S24; If the shape of the dam body near the water is an inclined surface, proceed to step S25; Step S24: The shape of the dam body near the water is a plane, and the safe thickness of the plane dam with respect to lx is calculated, which is recorded as ch1; Step S25: The shape of the dam body near the water is a slope, and the safe thickness of the slope dam with respect to lx is calculated, which is recorded as ch2; Step S26: obtaining the elastic modulus of the dam body building material, recorded as te; calculating the optimal bending angle of the dam, recorded as angle θ; Step S27: Summarize the data in steps S24 to S26 as index data.

3. A quality inspection method for water conservancy construction projects according to claim 2, characterized in that: The specific steps of step S21 are as follows: Step S211: the average rainfall in the water area upstream of the dam in the third year is recorded as ra; The average rainfall in the waters upstream of the dam in the second year is recorded as rb; The average rainfall in the waters upstream of the dam in the first year is recorded as rc; Step S212: Calculate the rate of change of average rainfall from the third year to the second year, denoted as ba (3-2) ; Calculate the rate of change of average rainfall from the second year to the first year, denoted as ba (2-1) ; Step S213: Calculate the ratio of rb:rc, recorded as bb and cc, that is, rb:rc = bb:cc; calculate the sum of bb and cc, recorded as d; According to ba (3-2) ,ba (2-1) , rb and rc construct the state transfer matrix, recorded as matrix B; Use the NumPy library function to iterate the matrix B and obtain the steady-state transfer matrix, which is recorded as matrix B1; Step S214: define a 1×2 order receiving matrix {bb / d,cc / d}, denoted as matrix B2; Calculate the matrix B1 multiplied by the matrix B2 to obtain the matrix B3; Calculate the average value of each element in matrix B3 as the value of rr.

4. A quality inspection method for water conservancy construction projects according to claim 2, characterized in that: The specific steps of step S24 are as follows: Step S241: obtaining the area of ​​the water side of the plane dam body, recorded as hs1; Calculate the waterfront area of ​​the plane dam body, denoted as hhs1; Calculate the compressive strength of the unit water-facing surface of the plane dam body, denoted as ape; Step S242: Calculate the duration of the dam body water level drop, recorded as th; Calculate the continuous scouring velocity of the outlet caused by the drop in the dam water level, recorded as vh; Step S243: Calculate the safety thickness ch1 of the plane dam with respect to lx;.

5. A quality inspection method for water conservancy construction projects according to claim 2, characterized in that: The specific steps of step S25 are as follows: Step S251: obtaining the area of ​​the water side of the inclined dam body, recorded as hs2; Obtain the angle between the inclined dam and the ground, recorded as angle α; Calculate the waterfront area of ​​the sloped dam, recorded as hhs2; Step S252: Calculate the compressive strength of the unit water-facing surface of the inclined dam body, denoted as bpe; Get the length of the dam reservoir, recorded as ll; calculate the volume of water in the slope dam reservoir, recorded as Vw2; Step S253: Calculate the safety thickness ch2 of the slope dam with respect to lx; Among them, ρ represents the density of water, th represents the duration of the water level drop in the dam body, and vh represents the continuous scouring speed of the outlet caused by the drop in the water level in the dam body.

6. A quality inspection method for water conservancy construction projects according to claim 2, characterized in that: The specific steps of step S26 are as follows: Step S261: Obtain the width of the dam reservoir, denoted as ww; Get the water flow velocity in the water area upstream of the dam, denoted as vr; Step S262: Calculate the concave distance of the concave surface of the dam, denoted as Δl; Step S263: Determine a parameter calculation formula for Δl according to the shape of the dam body on the water side, which is recorded as formula b; Step S264: Calculate the value of Δl according to formula b in step S263, denoted as ool.

7. A quality inspection method for water conservancy construction projects according to claim 2, characterized in that: The specific steps of step S3 are as follows: Step S31: the bending angle of the dam body is recorded as β, and the maximum thickness of the dam body is recorded as cho; Step S32: judging whether the thickness of the dam body is qualified according to the shape of the dam body near the water side; Step S321: the dam body is in a plane shape; If cho≥ch1, it means that the dam body thickness is qualified and no treatment is required; If cho<ch1, it means that the thickness of the dam body is unqualified, and the thickness of the dam body should be increased to ch1; Step S322: the dam body is in the shape of an inclined surface; If cho≥ch2, it means that the dam body thickness is qualified and no treatment is required; If cho<ch2, it means that the thickness of the dam body is unqualified, and the thickness of the dam body should be increased to ch2; Step S33: Calculate the ratio of (β / θ), recorded as bb; determine whether bb is close to 1, and determine whether the bending angle of the dam body is qualified; Step S34: if the upstream flow restriction is prompted in step S22, the flow velocity of the water in the water area upstream of the dam is restricted for a second time, and the flow velocity of the water in the water area upstream of the dam after the second restriction is recorded as vzz; If step S22 does not prompt upstream current limiting, no processing is performed; Step S35: Summarize the analysis results of steps S31 to S34 as a dam adjustment plan.

8. A quality inspection method for water conservancy construction projects according to claim 7, characterized in that: The specific steps of step S33 are as follows: Step S331: If bb→1, it means that the bending angle of the dam body is qualified and no processing is done; Step S332: If bb>1, it means that the bending angle of the dam body is large, and secondary reinforcement is performed according to the thickness of the dam; Step S333: if bb<1, it means that the bending angle of the dam body is small, and the flow is limited according to the flow velocity of the water area upstream of the dam; The water flow velocity after flow restriction in the water area upstream of the dam is denoted as vz.

9. A quality inspection method for water conservancy construction projects according to claim 8, characterized in that: The specific steps of step S332 are as follows: Step S3321: Replace θ with β, and substitute β into formula c in reverse order to calculate the concave distance corresponding to β, denoted as bol; Step S3322: According to the shape of the dam body near the water side, reversely calculate the thickness of the dam body, which is recorded as bch; Step S3323: Based on the bch calculated in step S3322, the thickness of the dam body is thickened to bch.

10. A quality inspection system for water conservancy construction projects, applicable to a quality inspection method for water conservancy construction projects as claimed in any one of claims 1 to 9, characterized in that: The system comprises: Data acquisition module: used to obtain the reservoir depth, reservoir area, safe water level depth, dam body bending angle and maximum dam body thickness of the dam as dam body data; Data calculation module: used to obtain historical rainfall data in the waters upstream of the dam and estimate the newly added water storage capacity of the dam; determine the shape of the dam body near the water side, and calculate the safe thickness and optimal bending angle of the dam based on the shape of the dam body near the water side and the newly added water storage capacity to obtain index data; Data analysis module: used to analyze the dam body data according to the index data to determine whether the engineering quality of the dam is qualified; if qualified, no processing will be done; if unqualified, a dam adjustment plan will be formulated according to the dam body data; User interaction module: used to summarize dam adjustment plans and provide feedback; continuously update dam body data and historical rainfall data, and update dam adjustment plans.

Citation Information

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