A quality acceptance inspection method and system for a water conservancy construction project

By obtaining and analyzing the specific data of the dam, and calculating the safety thickness and bending angle of the dam in combination with historical rainfall data, the problems of high cost, high technical threshold and inaccurate assessment of water conservancy projects are solved, and efficient and accurate quality assessment and adjustment are achieved.

CN119417299BActive Publication Date: 2025-07-25CANGZHOU WATER CONSERVANCY ENG CHU
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Patent Information

Application Number
CN202411489662.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-07-25
Estimated Expiration
2044-10-24

AI Technical Summary

Technical Problem

The existing water conservancy project quality acceptance methods and systems have problems such as high maintenance costs, high technical thresholds, narrow popularization and inaccurate assessment results.

Method used

By obtaining data such as the reservoir depth, area, safety water level depth, dam bending angle and maximum thickness of the dam, combining historical rainfall data to estimate the new water storage volume, calculate the safe thickness and optimal bending angle, use the data calculation module and analysis module to judge the dam quality, formulate adjustment plans and feedback.

Benefits of technology

It achieves efficient, accurate and objective nature of quality acceptance of water conservancy projects, reduces manual operation time and error, and provides a quick assessment and adjustment plan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a quality acceptance inspection method and system for water conservancy construction projects, belonging to the field of quality acceptance; it solves the problem of low efficiency in the quality acceptance of water conservancy projects; specifically as follows: Step S1: Obtain dam body data; Step S2: Estimate the newly added water storage capacity of the dam, and calculate index data according to the shape of the dam body on the water-approaching side and in combination with the newly added water storage capacity; Step S3: Analyze the dam body data according to the index data to determine whether the engineering quality of the dam is qualified; if it is qualified, no treatment is required; if it is unqualified, formulate a dam adjustment plan according to the dam body data; Step S4: Summarize the dam adjustment plan and give feedback; The present invention objectively analyzes the quality of water conservancy projects by acquiring, processing and analyzing relevant data of the dam, improving the efficiency of the quality acceptance of water conservancy projects and the accuracy of quality assessment.
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Description

Technical Field

[0001] A quality acceptance inspection method and system for a water conservancy construction project of the present invention 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: In the analysis process of the existing methods or systems, a variety of data acquisition devices are required to obtain a large amount of necessary and unnecessary data, resulting in high construction costs; at the same time, the regular maintenance and upgrade of data acquisition devices are also a continuous expense.

[0004] High technical threshold: Although the interfaces of the existing systems are user-friendly, there are still certain operation difficulties for some personnel lacking relevant technologies, which may lead to misoperations or improper operations during the use of the systems, thereby affecting the analysis results.

[0005] Narrow popularization: In the process of quality acceptance and evaluation of the existing methods or systems, most of the analysis methods adopted are to compare the real data of water conservancy projects with a certain unified index, lacking the concept of local analysis; moreover, the criteria for evaluating the quality of water conservancy projects are also affected by subjective human judgment, resulting in certain deviations or unfairness in the evaluation results. Summary of the Invention

[0006] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a quality acceptance inspection method and system for a water conservancy construction project, aiming to solve the problem of low efficiency of water conservancy project quality acceptance.

[0007] To achieve the above purpose, the present invention is realized through the following technical solutions: A quality acceptance inspection method and system for a water conservancy construction project includes:

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

[0009] Step S2: Obtain the historical rainfall data of the upstream water area of the dam, and estimate the additional water storage capacity of the dam; judge the shape of the dam body on the water inlet side of the dam, and calculate the safety thickness and the optimal bending angle of the dam according to the shape of the dam body on the water inlet side and in combination with the additional water storage capacity to obtain index data;

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

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

[0012] Further, the specific steps of the said Step S2 are as follows:

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

[0014] Record the newly added water storage capacity as rr; Estimate and determine the value of rr according to the historical rainfall data;

[0015] Record the depth of the reservoir as lh, the area of the reservoir as ls, and the depth of the safety water level as lo;

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

[0017] Compare the magnitudes of lx and lh;

[0018] If lx ≥ lh, it indicates that the limit water level of the dam is unsafe, skip Steps S23 to S27, and prompt for upstream flow restriction, then enter Step S3;

[0019] If lx < lh, it indicates that the limit water level of the dam is safe, calculate the safety thickness of the dam, and enter Step S23;

[0020] Step S23: Obtain the compressive coefficient of the dam body building materials of the dam, and record it as pe;

[0021] Judge the shape of the dam body on the water-facing side of the dam;

[0022] If the shape of the dam body on the water-facing side is a plane, then enter Step S24;

[0023] If the shape of the dam body on the water-facing side is an inclined plane, then enter Step S25;

[0024] Step S24: The shape of the dam body on the water-facing side is a plane, calculate the safety thickness of the plane dam with respect to lx, and record it as ch1;

[0025] Step S25: The shape of the dam body on the water-facing side is an inclined plane, calculate the safety thickness of the inclined plane dam with respect to lx, and record it as ch2;

[0026] Step S26: Obtain the elastic modulus of the dam body building materials of the dam, and record it as te; Calculate the optimal bending angle of the dam, and record it 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: Denote the average rainfall in the upstream water area of the dam in the third year as ra;

[0030] Denote the average rainfall in the upstream water area of the dam in the second year as rb;

[0031] Denote the average rainfall in the upstream water area of the dam in the first year as rc;

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

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

[0034] Step S213: Calculate the ratio of rb:rc, denoted as bb and cc, i.e., rb:rc = bb:cc; Calculate the sum of bb and cc, denoted as d;

[0035] According to ba (3-2) 、ba (2-1) 、rb and rc, construct a state transition matrix, denoted as matrix B;

[0036] Use the NumPy library function to iterate matrix B to obtain the steady-state transition matrix, denoted as matrix B1;

[0037] Step S214: Define a 1×2 order receiving matrix {bb / d, cc / d}, denoted as matrix B2; Calculate matrix B1 multiplied by matrix B2 to obtain 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: Obtain the area of the near-water side of the flat dam body, denoted as hs1;

[0041] Calculate the water-facing area of the flat dam body, denoted as hhs1;

[0042] Calculate the compressive value per unit water-facing surface of the flat dam body, denoted as ape;

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

[0044] Calculate the continuous scouring speed of the dam body water level drop on the water outlet, denoted as vh;

[0045] Step S243: Calculate the safety thickness ch1 of the flat dam with respect to l x;.

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

[0047] Step S251: Obtain the area of the near-water side of the inclined dam body, denoted as hs2;

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

[0049] Calculate the water-facing area of the inclined dam body, denoted as hhs2;

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

[0051] Obtain the length of the reservoir of the dam, denoted as ll; calculate the volume of water in the reservoir of the inclined surface dam, denoted as Vw2;

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

[0053] Where ρ represents the density of water, th represents the duration of the dam body water level drop, and vh represents the continuous scouring speed of the dam body water level drop on the outlet.

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

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

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

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

[0058] Step S263: Determine the substitution calculation formula for Δl according to the shape of the dam body on the near-water side of the dam, denoted as formula b;

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

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

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

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

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

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

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

[0066] Step S322: The shape of the dam body is an inclined plane;

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

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

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

[0070] Step S34: If step S22 indicates upstream flow restriction, the water flow velocity in the upstream water area of the dam is speed-limited again, and the water flow velocity after the secondary speed-limitation in the upstream water area of the dam is denoted as vzz;

[0071] If step S22 does not indicate upstream flow restriction, no treatment is required;

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

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

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

[0075] Step S332: If bb > 1, it indicates that the bending angle of the dam body is relatively large, and the dam thickness is reinforced secondly;

[0076] Step S333: If bb < 1, it indicates that the bending angle of the dam body is relatively small, and the water flow velocity in the upstream water area of the dam is restricted;

[0077] The water flow velocity after the flow restriction in the upstream water area 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 the reverse direction to calculate the depression distance corresponding to β, denoted as bol;

[0080] Step S3322: Calculate the thickness of the dam body in the reverse direction according to the shape of the dam body on the water-proximate side of the dam, denoted as bch;

[0081] Step S3323: According to bch calculated in step S3322, increase the thickness of the dam body to bch.

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

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

[0084] Data calculation module: used to acquire the historical rainfall data of the upstream water area of the dam and estimate the newly added water storage capacity of the dam; judge the shape of the dam body on the water inlet side of the dam, and calculate the safety thickness and the optimal bending angle of the dam according to the shape of the dam body on the water inlet side and in combination with 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 judge whether the engineering quality of the dam is qualified; if it is qualified, no processing is performed; if it is unqualified, a dam adjustment plan is formulated according to the dam body data;

[0086] User interaction module: used to summarize the dam adjustment plan and give feedback; continuously update the dam body data and historical rainfall data of the dam and update the dam adjustment plan.

[0087] Compared with the prior art, the beneficial effects of the present invention are:

[0088] Improve the evaluation efficiency: The present invention can acquire the 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] Enhance the accuracy of the evaluation results: The present invention conducts multi-angle analysis based on the project itself of the water conservancy project and the environment where the project is located, taking into account the conventional index evaluation of project quality, and re-setting project indicators according to the environment where the project is located, making the project evaluation results more accurate and objective.

[0090] Improve the evaluation efficiency: Through automated data processing and data updating, the present invention greatly reduces the time and errors of manual operations, realizes the rapid evaluation and problem inspection of water conservancy projects, and improves the evaluation efficiency of water conservancy projects; at the same time, the present invention also proposes an adjustment plan according to the actual situation of water conservancy projects for the real defects existing in water conservancy projects, further enhancing the credibility of the evaluation results. BRIEF DESCRIPTION OF THE DRAWINGS

[0091] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes and advantages of the present invention will become more obvious:

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

[0093] Figure 2 Schematic diagram of the system of the present invention;

[0094] Figure 3 Schematic diagram of the flat dam body of the present invention;

[0095] Figure 4 Schematic diagram of the inclined dam body of the present invention. Specific implementation manners

[0096] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0097] Embodiment 1

[0098] Please refer to Figure 1 , a quality acceptance inspection method for a water conservancy construction project includes:

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

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

[0101] Step S2: Obtain the historical rainfall data of the upstream water area of the dam and estimate the additional water storage capacity of the dam; judge the shape of the dam body on the water inlet side (i.e., flat or inclined), and calculate the safety thickness and the optimal bending angle of the dam according to the shape of the dam body on the water inlet side and in combination with the additional 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 upstream water area of the dam in the past three years as historical rainfall data;

[0104] Denote the additional water storage capacity as rr; estimate and determine the value of rr according to the historical rainfall data;

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

[0106] Denote the average rainfall in the upstream water area of the dam in the second year as rb;

[0107] Denote the average rainfall in the upstream water area of the dam in the first year as rc;

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

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

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

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

[0112] Step S213: Calculate the ratio of rb:rc, denoted as bb and cc, i.e., rb:rc = bb:cc; Calculate the sum of bb and cc, denoted as d;

[0113] According to ba (3-2) 、ba (2-1) 、rb and rc to construct a state transition matrix, denoted as matrix B; The mathematical expression of matrix B is as follows:

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

[0115] Use the NumPy library function to iterate matrix B to obtain the steady-state transition matrix, denoted as matrix B1;

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

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

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

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

[0120] Compare the magnitudes of lx and lh;

[0121] If lx ≥ lh, it means that the limit water level of the dam is unsafe, skip steps S23 to S27, and prompt for upstream flow restriction, then enter step S3;

[0122] If lx < lh, it means that the limit water level of the dam is safe, calculate the safety thickness of the dam, and enter step S23;

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

[0124] Judge the shape of the dam body on the water - adjacent side of the dam (i.e., flat or inclined plane);

[0125] If the shape of the dam body on the water - adjacent side is flat, go to step S24;

[0126] If the shape of the dam body on the water - adjacent side is inclined plane, go to step S25;

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

[0128] Step S24: Refer to Figure 3 , the shape of the dam body on the water - adjacent side is flat, calculate the safety thickness of the flat - surface dam with respect to lx, denoted as ch1;

[0129] Step S241: Obtain the area of the water - adjacent side of the flat - surface dam body, denoted as hs1;

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

[0131] Calculate the compressive value per unit water - facing surface of the flat - surface dam body, denoted as ape; the calculation formula for ape is: ape = hhs1×pe;

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

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

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

[0135] Among them, Vw1 represents the volume of water in the reservoir of the flat - surface dam, and the calculation formula for Vw1 is: Vw1 = ls×lx; ρ represents the density of water;

[0136] Step S25: Refer to Figure 4 , the shape of the dam body on the water - adjacent side is inclined plane, calculate the safety thickness of the inclined - surface dam with respect to lx, denoted as ch2;

[0137] Step S251: Obtain the area of the water - adjacent side of the inclined - surface dam body, denoted as hs2;

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

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

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

[0141] Obtain the length of the dam reservoir, denoted as ll; calculate the volume of water in the inclined dam reservoir, denoted 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 safety thickness ch2 of the inclined dam with respect to lx; the calculation formula for ch2 is as follows: ch2 = [(Vw2 × ρ) × vh × sin(α)] / (bpe × th); ch2 is rounded up;

[0144] Where ρ represents the density of water, th represents the duration of the dam body water level drop, and vh represents the continuous scouring speed of the dam body water level drop on the water outlet;

[0145] Step S26: Obtain the elastic modulus of the dam body building materials, denoted as te; calculate the optimal bending angle of the dam, denoted as angle θ;

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

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

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

[0149] Step S263: According to the shape of the dam body on the water-facing side of the dam (i.e., flat or inclined), determine the substitution calculation formula for Δl, denoted as formula b;

[0150] If the dam body is flat, then formula b is:

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

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

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

[0154] Step S264: Calculate the value of Δl according to formula b in step S263, denoted as oo l; Substitute oo l into formula a and use the arctangent 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 judge whether the engineering quality of the dam is qualified; If it is qualified, no treatment is required; If it is 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: Denote the bending angle of the dam body as β, and the maximum thickness of the dam body (at the bottom) as cho;

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

[0161] Step S321: The shape of the dam body is flat;

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

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

[0164] Step S322: The shape of the dam body is inclined;

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

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

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

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

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

[0170] Step S3321: Replace θ with β and substitute β back into formula c in the reverse direction to calculate the depression (or protrusion) distance corresponding to β, denoted as bol;

[0171] Step S3322: According to the shape of the dam body on the water-receiving side of the dam (i.e., flat or inclined plane), calculate the thickness of the dam body at the bottom of the dam in the reverse direction, denoted as bch;

[0172] If the dam body is flat, the calculation formula for bch is:

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

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

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

[0176] Step S3323: Thicken the thickness of the dam body at the bottom of the dam to bch according to bch calculated in Step S3322;

[0177] Step S333: If bb < 1, it indicates that the bending angle of the dam body is relatively small, and the water flow velocity in the upstream water area of the dam is restricted;

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

[0179] Step S34: If Step S22 indicates upstream flow restriction, perform secondary speed limit on the water flow velocity in the upstream water area of the dam, and denote the water flow velocity after secondary speed limit in the upstream water area of the dam as vzz; the calculation formula for vzz is as follows:

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

[0181] If upstream current limiting is not prompted in step S22, 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 the dam adjustment plan.

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

[0185] Embodiment 2

[0186] Please refer to Figure 2 , a quality acceptance inspection system for a water conservancy construction project includes: a data acquisition module, a data calculation module, a data analysis module, a user interaction module, a database, and a server; among them, the data acquisition module, the data calculation module, the data analysis module, and the user interaction module are respectively connected to the database and the server.

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

[0188] Data calculation module: used to obtain the historical rainfall data of the upstream water area of the dam and estimate the newly added water storage capacity of the dam; judge the shape of the dam body on the water inlet side of the dam (i.e., flat or inclined surface), and calculate the safety thickness and the optimal bending angle of the dam according to the shape of the dam body on the water inlet 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 judge whether the engineering quality of the dam is qualified; if it is qualified, no processing is performed; if it is unqualified, a dam adjustment plan is formulated according to the dam body data;

[0190] User interaction module: used to summarize the dam adjustment plan and give feedback; continuously update the dam body data and historical rainfall data of the dam, and update the dam adjustment plan.

[0191] The above formulas are all dimensionless and take their numerical values for calculation. The formulas are obtained by collecting a large amount of data and performing software simulation to obtain a formula closest to the actual situation. The preset parameters in the formulas are set by those skilled in the art according to the actual situation. For example, there are weight coefficients and proportionality coefficients, and the values set are for quantifying each parameter to obtain a specific numerical value for subsequent comparison. Regarding the magnitudes of the weight coefficients and proportionality coefficients, as long as they do not affect the proportional relationship between the parameters and the quantified numerical values, it is fine.

[0192] Finally, it should be noted that the above-described embodiments are only specific embodiments of the present invention, used to illustrate the technical solutions of the present invention, rather than limiting it. The protection scope of the present invention is not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that any person skilled in the art within the technical scope disclosed by the present invention can still modify the technical solutions recorded in the foregoing embodiments or can easily think of changes, or perform equivalent replacements on some of the technical features; 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 all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims described.

Claims

1. A quality acceptance inspection method for a water conservancy construction project, characterized in that, The method includes: Step S1: Obtain the reservoir depth, reservoir area, safety water level depth, dam body bending angle, and maximum dam body thickness of the dam as dam body data; Step S2: Obtain the historical rainfall data of the upstream water area of the dam, and estimate the additional water storage capacity of the dam; judge the shape of the dam body on the water-facing side of the dam, and calculate the safety thickness and optimal bending angle of the dam according to the shape of the dam body on the water-facing side and in combination with the additional water storage capacity to obtain index data; Step S3: Analyze the dam body data according to the index data to judge whether the engineering quality of the dam is qualified; if it is qualified, no treatment is required; if it is unqualified, formulate a dam adjustment plan according to the dam body data; Step S4: Summarize the dam adjustment plan and give feedback; continuously update the dam body data and historical rainfall data of the dam, and update the dam adjustment plan; The specific steps of the said Step S2 are as follows: Step S21: Obtain the average rainfall in the upstream water area of the dam in the past three years as historical rainfall data; Denote the additional water storage capacity as rr; estimate and determine the value of rr according to the historical rainfall data; Step S22: Denote the reservoir depth as lh, the reservoir area as ls, and the safety water level depth as lo; Denote the height of the dam corresponding to the additional water storage capacity as lx; compare the magnitudes of lx and lh; If lx≥lh, it indicates that the limit water level of the dam is unsafe, skip Steps S23 to S27, and prompt upstream flow restriction, then enter Step S3; If lx<lh, it indicates that the limit water level of the dam is safe, calculate the safety thickness of the dam, and enter Step S23; Step S23: Obtain the compressive coefficient of the dam body building materials, denoted as pe; Judge the shape of the dam body on the water-facing side of the dam; If the shape of the dam body on the water-facing side is a plane, enter Step S24; If the shape of the dam body on the water-facing side is an inclined plane, enter Step S25; Step S24: The shape of the dam body on the water-facing side is a plane, calculate the safety thickness of the plane dam with respect to lx, denoted as ch1; Step S25: The shape of the dam body on the water-facing side is an inclined plane, calculate the safety thickness of the inclined plane dam with respect to lx, denoted as ch2; Step S26: Obtain the elastic modulus of the dam body building materials, denoted as te; calculate the optimal bending angle of the dam, denoted as angle θ; Step S27: Summarize the data in Steps S24 to S26 as index data; The specific steps of the said Step S24 are as follows: Step S241: Obtain the area of the water-facing side of the plane dam body, denoted as hs1; Calculate the water-facing area of the plane dam body, denoted as hhs1; Calculate the compressive value per unit water-facing surface of the plane dam body, denoted as ape; Step S242: Calculate the duration of the dam body water level drop, denoted as th; Calculate the continuous scouring speed of the dam body water level drop on the water outlet, denoted as vh; Step S243: Calculate the safety thickness ch1 of the plane dam with respect to lx; the calculation formula of ch1 is as follows: ch1 = [(Vw1×ρ)×vh] / (ape×th); round ch1 up; Among them, Vw1 represents the volume of water in the reservoir of the plane dam, and the calculation formula of Vw1 is: Vw1 = ls×lx; ρ represents the density of water; The specific steps of the said Step S25 are as follows: Step S251: Obtain the area of the near-water side of the inclined dam body, denoted as hs2; Obtain the angle between the inclined dam body and the ground, denoted as angle α; Calculate the water-facing area of the inclined dam body, denoted as hhs2; Step S252: Calculate the compressive value per unit water-facing surface of the inclined dam body, denoted as bpe; Obtain the length of the water storage pool of the dam, denoted as ll; Calculate the volume of water in the inclined surface dam water storage pool, denoted as Vw2; Step S253: Calculate the safety thickness ch2 of the inclined dam with respect to lx; The calculation formula for ch2 is as follows: ch2 = [(Vw2 × ρ) × vh × sin(α)] / (bpe × th); Round ch2 up; Among them, ρ represents the density of water, th represents the duration of the dam body water level drop, and vh represents the continuous scouring speed of the dam body water level drop on the water outlet; The specific steps of the said step S26 are as follows: Step S261: Obtain the width of the water storage pool of the dam, denoted as ww; Obtain the water flow velocity of the upstream water area of the dam, denoted as vr; Step S262: Calculate the depression distance of the concave surface of the dam, denoted as Δl; Step S263: Determine the substitution calculation formula for Δl according to the shape of the dam body on the near-water side of the dam, denoted as formula b; Step S264: Calculate the value of Δl according to formula b in step S263, denoted as ool.

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

3. The quality acceptance inspection method for a water conservancy construction project according to claim 1, characterized in that The specific steps of the said step S3 are as follows: Step S31: Denote the bending angle of the dam body as β and the maximum thickness of the dam body as cho; Step S32: Judge whether the thickness of the dam body of the dam is qualified according to the shape of the dam body on the near-water side of the dam; Step S321: The shape of the dam body is flat; If cho ≥ ch1, it means that the thickness of the dam body of the dam is qualified and no treatment is required; If cho < ch1, it means that the thickness of the dam body of the dam is unqualified, and thicken the thickness of the dam body to ch1; Step S322: The shape of the dam body is inclined; If cho ≥ ch2, it means that the thickness of the dam body of the dam is qualified and no treatment is required; If cho < ch2, it means that the thickness of the dam body of the dam is unqualified, and thicken the thickness of the dam body to ch2; Step S33: Calculate the ratio of (β / θ), denoted as bb; Judge whether bb approaches 1 to judge whether the bending angle of the dam body of the dam is qualified; Step S34: If step S22 indicates upstream flow limiting, perform secondary speed limiting on the water flow velocity of the upstream water area of the dam, and denote the water flow velocity after secondary speed limiting of the upstream water area of the dam as vzz; If upstream current limiting is not prompted in step S22, no processing is performed; Step S35: Summarize the analysis results of steps S31 to S34 as the dam adjustment plan.

4. A quality acceptance inspection method for a water conservancy construction project according to claim 3, characterized in that, The specific steps of step S33 are as follows: Step S331: If bb → 1, it indicates that the bending angle of the dam body is qualified, and no processing is performed; Step S332: If bb > 1, it indicates that the bending angle of the dam body is relatively large, and secondary reinforcement is performed on the dam thickness; Step S333: If bb < 1, it indicates that the bending angle of the dam body is relatively small, and current limiting is performed on the water flow velocity in the upstream water area of the dam; The water flow velocity after current limiting in the upstream water area of the dam is denoted as vz.

5. A quality acceptance inspection method for a water conservancy construction project according to claim 4, characterized in that, The specific steps of step S332 are as follows: Step S3321: Replace θ with β and substitute β reversely into formula c to calculate the depression distance corresponding to β, denoted as bol; Step S3322: Reverse-calculate the dam body thickness of the dam according to the shape of the dam body on the water intake side of the dam, denoted as bch; Step S3323: Thicken the dam body thickness to bch according to bch calculated in step S3322.

6. A quality acceptance inspection system for a water conservancy construction project, applicable to a quality acceptance inspection method for a water conservancy construction project described in any one of claims 1-5, characterized in that, The system includes: Data acquisition module: used to acquire the reservoir depth, reservoir area, safety water level depth, dam body bending angle, and maximum dam body thickness of the dam as dam body data; Data calculation module: used to acquire the historical rainfall data of the upstream water area of the dam, estimate the additional water storage capacity of the dam; judge the shape of the dam body on the water intake side of the dam, and calculate the safety thickness and optimal bending angle of the dam according to the shape of the dam body on the water intake side and the additional water storage capacity to obtain index data; Data analysis module: used to analyze the dam body data according to the index data to judge whether the engineering quality of the dam is qualified; if qualified, no processing is performed; if unqualified, a dam adjustment plan is formulated according to the dam body data; User interaction module: used to summarize the dam adjustment plan and give feedback; continuously update the dam body data and historical rainfall data of the dam, and update the dam adjustment plan.

Citation Information

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