CN111339589A - Stilling pool safety assessment method and device, storage medium and electronic equipment - Google Patents
Stilling pool safety assessment method and device, storage medium and electronic equipment Download PDFInfo
- Publication number
- CN111339589A CN111339589A CN202010108070.4A CN202010108070A CN111339589A CN 111339589 A CN111339589 A CN 111339589A CN 202010108070 A CN202010108070 A CN 202010108070A CN 111339589 A CN111339589 A CN 111339589A
- Authority
- CN
- China
- Prior art keywords
- safety
- index
- stilling pool
- degree
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000011156 evaluation Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 239000011435 rock Substances 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The application provides a stilling pool safety assessment method and device, a storage medium and electronic equipment. Firstly, calculating the association degree of each safety index and the corresponding safety level according to the obtained current value of each safety index, obtaining the association degree of each safety index required by the safety assessment of the stilling pool, then carrying out the safety assessment according to the association degree and the preset weight, and comprehensively considering the association degree of each index to obtain the overall safety assessment result of the stilling pool. Compared with the prior art, the obtained safety evaluation result is more accurate and comprehensive, thereby being more beneficial to the safe maintenance of the stilling pool.
Description
Technical Field
The application relates to the field of buildings, in particular to a stilling pool safety assessment method and device, a storage medium and electronic equipment.
Background
The stilling pool is used as an important energy dissipation facility of a hydraulic structure, and the safe operation and long-term stability of the stilling pool are important for normal power generation of a dam and safe flood discharge in a flood season. The sand and pebbles carried by high-speed water flow and the water flow are eroded and abraded for a long time, the concrete at the bottom of the stilling pool often has safety risk problems such as erosion layer abrasion damage, bottom plate cracks, water stop damage and the like, even the phenomena of bottom plate instability lifting and the like can occur, and the flood running safety and long-term stability of the dam are seriously threatened. Therefore, the detection of the relevant safety indexes of the stilling pool is carried out in the operation period, the main risks and hidden dangers influencing the stilling pool are mastered in time, the calculation of the relevance of each index is comprehensively considered, and the key for evaluating the structural safety of the stilling pool is realized.
At present, a monitor embedded in a stilling pool structure part is often adopted to carry out index monitoring on the running condition of the stilling pool in a running period, the judgment is to carry out single qualitative analysis on monitoring data and then carry out safety judgment according to professional knowledge and experience, the subjectivity is strong, and the actual safety condition of the stilling pool is difficult to comprehensively reflect only by monitoring data.
Disclosure of Invention
The present application aims to provide a stilling pool security assessment method, device, storage medium and electronic device to solve the above problems.
In order to achieve the above purpose, the embodiments of the present application employ the following technical solutions:
in a first aspect, an embodiment of the present application provides a stilling pool safety assessment method, where the method includes:
calculating the association degree of each safety index and the corresponding safety level according to the obtained current value of each safety index; the safety indexes comprise a water flow characteristic index and a stilling pool loss index in the stilling pool; performing safety evaluation according to the relevance and preset weight; and the weight represents the importance degree of each safety index on the safety assessment of the stilling pool.
In a second aspect, an embodiment of the present application provides a stilling pool safety assessment apparatus, where the apparatus includes: the association degree calculation unit is used for calculating the association degree between each safety index and the corresponding safety level according to the obtained current value of each safety index; the safety indexes comprise a water flow characteristic index and a stilling pool loss index in the stilling pool; the safety evaluation unit is used for carrying out safety evaluation according to the relevance and preset weight; and the weight represents the importance degree of each safety index on the safety assessment of the stilling pool.
In a third aspect, the present application provides a storage medium, on which a computer program is stored, and when executed by a processor, the computer program implements the method according to the first aspect.
In a fourth aspect, an embodiment of the present application provides an electronic device, including: a processor and memory for storing one or more programs; the one or more programs, when executed by the processor, implement the method as described in the first aspect.
Compared with the prior art, the stilling pool safety assessment method, the stilling pool safety assessment device, the storage medium and the electronic equipment provided by the embodiment of the application have the beneficial effects that: firstly, calculating the association degree of each safety index and the corresponding safety level according to the obtained current value of each safety index, obtaining the association degree of each safety index required by the safety assessment of the stilling pool, then carrying out the safety assessment according to the association degree and the preset weight, and comprehensively considering the association degree of each index to obtain the overall safety assessment result of the stilling pool. Compared with the prior art, the obtained safety evaluation result is more accurate and comprehensive, thereby being more beneficial to the safe maintenance of the stilling pool.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a stilling pool safety assessment method provided in an embodiment of the present application;
fig. 3 is a schematic diagram illustrating the substeps of S103 according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram illustrating sub-steps of S104 according to an embodiment of the present disclosure;
fig. 5 is a schematic flow chart of another stilling pool safety assessment method provided in an embodiment of the present application;
fig. 6 is a schematic unit diagram of a stilling pool safety assessment apparatus provided in an embodiment of the present application.
In the figure: 10-a processor; 11-a memory; 12-a bus; 13-a communication interface; 201-a relevance calculating unit; 202-security assessment unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that:
like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally found in use of products of the application, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The embodiment of the application provides electronic equipment which can be stilling pool safety assessment equipment. Please refer to fig. 1, a schematic structural diagram of an electronic device. The electronic device comprises a processor 10, a memory 11, a bus 12. The processor 10 and the memory 11 are connected by a bus 12, and the processor 10 is configured to execute an executable module, such as a computer program, stored in the memory 11.
The processor 10 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the stilling pool security assessment method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 10. The Processor 10 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
The Memory 11 may comprise a high-speed Random Access Memory (RAM) and may further comprise a non-volatile Memory (non-volatile Memory), such as at least one disk Memory.
The bus 12 may be an ISA (Industry Standard architecture) bus, a PCI (peripheral component interconnect) bus, an EISA (extended Industry Standard architecture) bus, or the like. Only one bi-directional arrow is shown in fig. 1, but this does not indicate only one bus 12 or one type of bus 12.
The memory 11 is used for storing programs, such as programs corresponding to the stilling pool safety assessment device. The stilling pool security assessment apparatus includes at least one software function module which may be stored in the memory 11 in the form of software or firmware (firmware) or solidified in an Operating System (OS) of the electronic device. The processor 10 executes the program to implement the stilling pool safety assessment method after receiving the execution instruction.
Possibly, the electronic device provided by the embodiment of the present application further includes a communication interface 13. The communication interface 13 is connected to the processor 10 via a bus. In one possible implementation, the monitoring device may be communicatively coupled to the processor 10 via a communication interface 13.
Wherein, the monitoring equipment comprises an underwater robot, a monitoring instrument or other measuring equipment. The underwater robot is used for polling the bottom plate of the stilling pool, analyzing the polling result, forming polling indexes in an index system, such as a wear index, a flatness index and a bottom plate dislocation index, and transmitting the indexes to the processor 10. The monitoring instrument is arranged in the stilling pool structure and used for collecting monitoring data and analyzing the detection data to form monitoring indexes for safety assessment, such as uplift pressure indexes and seepage flow indexes, and transmitting the indexes to the processor 10. Other measuring devices are used for measuring the underwater topography of the stilling pool, the geological conditions of the bottom plate and the like, so that the sedimentation height of the bottom plate of the stilling pool and the quality BQ value of the rock mass of the bottom plate are obtained, measurement indexes in an index system, such as sedimentation indexes and geological condition indexes, are formed, and the indexes are transmitted to the processor 10.
It should be understood that the structure shown in fig. 1 is merely a structural schematic diagram of a portion of an electronic device, which may also include more or fewer components than shown in fig. 1, or have a different configuration than shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
The safety assessment method for the stilling pool provided by the embodiment of the present invention can be applied to, but is not limited to, the electronic device shown in fig. 1, and please refer to fig. 2:
and S103, calculating the association degree of each safety index and the corresponding safety level according to the obtained current value of each safety index.
The safety indexes comprise water flow characteristic indexes in the stilling pool and stilling pool loss indexes. Taking the index a in the safety indexes as an example, when the current value of the index a is determined, the association degrees of the index a with different safety levels may be different, so that the association degrees of the index a corresponding to different safety levels need to be calculated respectively.
And S104, performing safety evaluation according to the association degree and the preset weight.
The weight represents the importance degree of each safety index on the stilling pool safety assessment. Specifically, the factors corresponding to each safety index have different safety influences on the stilling pool, so that the importance degree of each safety index on the safety evaluation of the stilling pool is different, and therefore the weight needs to be preset. The weight can be set according to the running state, running environment and self structure of the stilling pool.
To sum up, in the safety assessment method for the stilling pool provided by the embodiment of the application, firstly, the association degree between each safety index and the corresponding safety level is calculated according to the obtained current value of each safety index, the association degree of each safety index required by the safety assessment of the stilling pool is obtained, then, the safety assessment is performed according to the association degree and the preset weight, and the association degree of each index is comprehensively considered, so that the overall safety assessment result of the stilling pool is obtained. Compared with the prior art, the obtained safety evaluation result is more accurate and comprehensive, thereby being more beneficial to the safe maintenance of the stilling pool.
For the security level in S103, the embodiment of the present application provides a possible dividing manner, and the security level may be divided into K levels, where K is an integer greater than or equal to 2. Specifically, the value of K may be specifically set according to the importance of different safety indexes.
For the relevance degree of S104 for performing security evaluation, the embodiment of the present application provides a possible implementation manner.
It is known from S103 that the association degrees of each security index corresponding to different security levels are different. Taking K security levels as an example, one security index has K degrees of association with the K security levels, respectively. And screening out the maximum value of the K relevance degrees for safety evaluation in combination with the weight.
On the basis of fig. 2, as for the content in S103, a possible implementation manner is further provided in the embodiment of the present application, please refer to fig. 3, where S103 includes:
s103-1, respectively determining the initial membership of each safety index according to the obtained current value of each safety index.
Specifically, for each safety index, its safety level is determined according to the current value of the index. And determining the initial membership of the index according to the preset membership range corresponding to each grade, the index value range and the current value.
Taking geological condition indexes (namely the quality BQ value of the rock mass) in the loss indexes of the stilling pool as an example, the grading standard of the quality BQ value of the rock mass in the engineering rock mass (GB/T50218-.
Dividing the rock mass into 5 grades according to the basic mass of the rock mass, dividing the initial membership degree of the index into 5 grades, wherein the boundary of each grade is 0.2, and the following table shows that: a0ij represents the lower limit number of the membership grade corresponding to the j-th grade; b0ij represents the upper limit number of the membership degree corresponding to the j-th level.
When the current value of the rock mass BQ value in the stilling pool is 410, the current value is larger than 351 and smaller than 450, and the corresponding safety level is 3. The membership range corresponding to the level 3 safety is (0.4, 0.6), and the index value range is (351, 460). The initial membership corresponding to the BQ value can be calculated according to the following equation:
wherein v is1And the initial membership degree corresponding to the BQ value.
S103-2, calculating the association degree of each safety index and the corresponding safety grade according to the initial membership degree and the membership degree range respectively corresponding to each safety grade.
Specifically, the main risks and hidden dangers affecting the stilling pool are mastered by calculating the association degree of each safety index and the corresponding safety level, and the key for evaluating the structural safety of the stilling pool is.
For the content in S103-2, the embodiment of the present application provides a possible calculation manner, and the association degree of the corresponding security level is calculated by the following equation:
wherein j represents the security level as the jth level; i represents the ith safety index; v. ofiRepresenting the initial membership degree of the ith safety index; kj(vi) Representing the association degree of the ith safety index corresponding to the jth level; a is0ijRepresenting the lower limit number of the membership grade corresponding to the j level; b0ijRepresenting the upper limit number of the membership grade corresponding to the j level; a ispiRepresenting the lower limit number of the value range of all the membership degrees of the safety index; bpiThe upper limit number of the value range of all the membership degrees representing the safety index, and a correlation matrix rho (v)i,v0ij) Is the distance of the point to the classical domain; ρ (v)i,vpi) Is the distance from the point to the nodal region.
Taking geological condition indexes (namely the quality BQ value of the rock mass) as an example:
for K1(v1) Comprises the following steps: i is 1, j is 1,
wherein,
ρ(v1,vp1)-ρ(v1,v011)≠0
then the process of the first step is carried out,
for K2(v1) Comprises the following steps: i is 1, j is 2,
as a result of this, it is possible to,
ρ(v1,vp1)-ρ(v1,v012)≠0
then the process of the first step is carried out,
similarly, one can find:
it can be found that, for the quality of the foundation rock mass of the stilling pool, the single index correlation degree is as follows:
| K1(V1) | K2(V1) | K3(V1) | K4(V1) | K5(V1) |
| -0.3684 | -0.1429 | 0.1429 | -0.2000 | -0.4000 |
the maximum value of 0.1429 can be selected to be combined with the weight thereof for security assessment calculation.
For the membership range of each safety level corresponding to each safety index, the embodiment of the application also provides a possible way, and the n-dimensional evaluation R of the working form of the stilling pool can be represented as a classical domain:
in the formula: n is a radical of0jThe subject rank is j-1, 2, 3, 4 or j-1, 2, 3, 4, 5; c. CiThe index is a certain index of a research object in an index system, i is 1, 2, … … n, and n is the number of indexes; v. of0ijIs N0jIn respect of ciSpecified value range<a0ij，b0ij>。
The section area is:
in the formula: n is the whole of the research object grade; vpi＝<api，bpi>Evaluation of the index C for the study subjects in the evaluation SystemiAll value ranges of (A), i.e. the section area of N, usually Vpi＝<0，1>。
On the basis of fig. 2, for the content in S104, the embodiment of the present application further provides a possible implementation manner, please refer to fig. 4, where S104 includes:
and S104-1, calculating a safety factor according to the association degree and the weight.
Specifically, the safety factor can be calculated according to the following equation.
In the formula: w is aiAnd distributing coefficients for the weight of the ith safety index.
And S104-2, judging whether the safety coefficient is greater than a preset first threshold value. If yes, executing S104-3; if not, S104-4 is executed.
Specifically, the first threshold may be specifically set depending on stilling pool conditions including building age, maintenance times, and the like.
And S104-3, determining that potential safety hazards exist in the stilling pool at present.
And S104-4, determining that no potential safety hazard exists in the stilling pool at present.
On the basis of fig. 2, when the water flow characteristic index includes a flow rate index, a pressure index, and a turbulence kinetic energy index, a possible implementation manner is further provided in the embodiment of the present application for obtaining the water flow characteristic index, please refer to fig. 5, and the stilling pool safety assessment method further includes:
and S101, taking the obtained water flow parameters as the input of a hydrodynamic model to obtain a flow rate index, a pressure index and a turbulent kinetic energy index.
On the basis of fig. 2, when the loss index of the stilling pool includes a wear index, a flatness index, a floor slab staggering index, a siltation index, and a geological condition index, and the water flow characteristic index includes a uplift pressure index and a seepage flow index, a possible implementation manner is further provided in the embodiment of the present application for obtaining the safety index, please refer to fig. 5 again, and the stilling pool safety assessment method further includes:
s102, receiving the abrasion index, the flatness index, the slab staggering index, the uplift pressure index, the seepage flow index, the siltation index and the geological condition index transmitted by the monitoring equipment.
Referring to fig. 6, fig. 6 is a schematic diagram of a stilling pool safety evaluation device according to an embodiment of the present application, where the stilling pool safety evaluation device is optionally applied to the electronic device described above.
The stilling pool safety evaluation device comprises: an association degree calculation unit 201 and a security evaluation unit 202.
The association degree calculating unit 201 is configured to calculate association degrees between each security index and a corresponding security level according to the obtained current value of each security index; the safety indexes comprise water flow characteristic indexes in the stilling pool and stilling pool loss indexes. Specifically, the association degree calculation unit 201 may perform S103 described above.
A security evaluation unit 202, configured to perform security evaluation according to the association degree and a preset weight; the weight represents the importance degree of each safety index on the stilling pool safety assessment. Specifically, the security evaluation unit 202 may execute S104 described above.
In a possible implementation manner, the association degree calculating unit 201 is specifically configured to determine initial membership degrees of the security indexes according to the obtained current values of the security indexes; and calculating the association degree of each safety index and the corresponding safety grade according to the initial membership degree and the membership degree range respectively corresponding to each safety grade. Specifically, the association degree calculation unit 201 may perform S103-1 and S103-2 described above.
It should be noted that the stilling pool safety assessment apparatus provided in this embodiment may execute the method flow shown in the above method flow embodiment to achieve the corresponding technical effect. For the sake of brevity, the corresponding contents in the above embodiments may be referred to where not mentioned in this embodiment.
The embodiment of the invention also provides a storage medium, wherein the storage medium stores computer instructions and programs, and the computer instructions and the programs execute the stilling pool safety assessment method of the embodiment when being read and run. The storage medium may include memory, flash memory, registers, or a combination thereof, etc.
The following provides an electronic device, which can implement the above-mentioned stilling pool safety assessment method as shown in fig. 1; specifically, the electronic device includes: processor 10, memory 11, bus 12. The processor 10 may be a CPU. The memory 11 is used for storing one or more programs, and when the one or more programs are executed by the processor 10, the stillbond security assessment method of the above embodiment is performed.
In addition to the components that the electronic device may have in the figure, the electronic device may further comprise: batteries, various sensors, touch screens, radio frequency circuits, and the like.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A stilling pool safety assessment method, characterized in that the method comprises:
calculating the association degree of each safety index and the corresponding safety level according to the obtained current value of each safety index; the safety indexes comprise a water flow characteristic index and a stilling pool loss index in the stilling pool;
performing safety evaluation according to the relevance and preset weight; and the weight represents the importance degree of each safety index on the safety assessment of the stilling pool.
2. The stilling pool safety assessment method according to claim 1, wherein the step of calculating the association degree of each safety index with the corresponding safety level according to the obtained current value of each safety index comprises:
respectively determining the initial membership degree of each safety index according to the obtained current value of each safety index;
and calculating the association degree of each safety index and the corresponding safety grade according to the initial membership degree and the membership degree range respectively corresponding to each safety grade.
3. The stilling pool safety assessment method according to claim 2, wherein the degree of association of the corresponding safety level is calculated by the following equation:
whereinJ represents the security level as the j-th level; i represents the ith safety index; v. ofiRepresenting the initial membership degree of the ith safety index; a is0ijRepresenting the lower limit number of the membership grade corresponding to the j level; b0ijRepresenting the upper limit number of the membership grade corresponding to the j level; a ispiRepresenting the lower limit number of the value range of all the membership degrees of the safety index; bpiAnd representing the upper limit number of the value range of all the membership degrees of the safety index.
4. The stilling pool safety assessment method according to claim 1, wherein the step of performing safety assessment according to the correlation degree and the preset weight comprises:
calculating a safety factor according to the correlation degree and the weight;
and when the safety coefficient is greater than a preset first threshold value, the stilling pool is determined to have potential safety hazards at present.
5. The stilling pool safety assessment method according to claim 1, wherein the water flow characteristic indexes comprise a flow rate index, a pressure index and a turbulence kinetic energy index, and before the association degree of each safety index with the corresponding safety level is calculated according to the obtained current value of each safety index, the method further comprises:
and taking the obtained water flow parameters as the input of a hydrodynamic model to obtain the flow rate index, the pressure index and the turbulent kinetic energy index.
6. A stilling pool safety assessment method according to claim 1, wherein the stilling pool loss index comprises a wear index, a flatness index, a floor slab staggering index, a siltation index and a geological condition index, the water flow characteristic index comprises a uplift pressure index and a seepage rate index, and before the correlation degree between each safety index and the corresponding safety level is calculated according to the obtained current value of each safety index, the method further comprises:
and receiving the abrasion index, the flatness index, the slab staggering index, the uplifting pressure index, the seepage flow index, the silting index and the geological condition index transmitted by monitoring equipment.
7. A stilling pool safety assessment device, characterized in that the device comprises:
the association degree calculation unit is used for calculating the association degree between each safety index and the corresponding safety level according to the obtained current value of each safety index; the safety indexes comprise a water flow characteristic index and a stilling pool loss index in the stilling pool;
the safety evaluation unit is used for carrying out safety evaluation according to the relevance and preset weight; and the weight represents the importance degree of each safety index on the safety assessment of the stilling pool.
8. The stilling pool safety evaluation device of claim 7, wherein the association degree calculation unit is specifically configured to determine an initial membership degree of each safety index according to the obtained current value of each safety index; and calculating the association degree of each safety index and the corresponding safety grade according to the initial membership degree and the membership degree range respectively corresponding to each safety grade.
9. A storage medium on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-6.
10. An electronic device, comprising: a processor and memory for storing one or more programs; the one or more programs, when executed by the processor, implement the method of any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010108070.4A CN111339589B (en) | 2020-02-21 | 2020-02-21 | Stilling pool safety assessment method and device, storage medium and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010108070.4A CN111339589B (en) | 2020-02-21 | 2020-02-21 | Stilling pool safety assessment method and device, storage medium and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111339589A true CN111339589A (en) | 2020-06-26 |
| CN111339589B CN111339589B (en) | 2023-04-21 |
Family
ID=71181725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010108070.4A Active CN111339589B (en) | 2020-02-21 | 2020-02-21 | Stilling pool safety assessment method and device, storage medium and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111339589B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048925A (en) * | 2021-03-18 | 2021-06-29 | 清华四川能源互联网研究院 | Method for measuring underwater sedimentation height of stilling pool and safely grading underwater sedimentation height |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106503884A (en) * | 2016-09-28 | 2017-03-15 | 广西电网有限责任公司电力科学研究院 | A kind of method that health state evaluation is carried out to switch cubicle |
| CN109252494A (en) * | 2018-08-21 | 2019-01-22 | 昆明理工大学 | A kind of deformation type stilling pond front end energy-dissipating structure and its energy dissipating method |
-
2020
- 2020-02-21 CN CN202010108070.4A patent/CN111339589B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106503884A (en) * | 2016-09-28 | 2017-03-15 | 广西电网有限责任公司电力科学研究院 | A kind of method that health state evaluation is carried out to switch cubicle |
| CN109252494A (en) * | 2018-08-21 | 2019-01-22 | 昆明理工大学 | A kind of deformation type stilling pond front end energy-dissipating structure and its energy dissipating method |
Non-Patent Citations (5)
| Title |
|---|
| HAORAN WANG等: "Image-based underwater inspection system for abrasion of stilling basin slabs of dam" * |
| 刘达等: "双浅水垫消力池水力特性的数值模拟与试验研究", 《水利学报》 * |
| 王皓冉等: "无人测量系统在消力池水下地形测量中的应用", 《水力发电学报》 * |
| 霍洪元等: "物元可拓模型在渠首冲砂闸安全评价中的应用", 《黑龙江水利》 * |
| 黄毅玲等: "基于改进物元可拓理论的水闸建筑物安全评估", 《黑龙江水利科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048925A (en) * | 2021-03-18 | 2021-06-29 | 清华四川能源互联网研究院 | Method for measuring underwater sedimentation height of stilling pool and safely grading underwater sedimentation height |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111339589B (en) | 2023-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cao et al. | Bayesian identification of soil stratigraphy based on soil behaviour type index | |
| Zanuttigh et al. | Prediction of extreme and tolerable wave overtopping discharges through an advanced neural network | |
| Wang et al. | A new method to estimate wave height of specified return period | |
| Modarres | Regional frequency distribution type of low flow in north of Iran by L-moments | |
| Bozzi et al. | Roughness and discharge uncertainty in 1D water level calculations | |
| Zhu et al. | Probabilistic performance of coastal bridges under hurricane waves using experimental and 3D numerical investigations | |
| Moyer et al. | Comparison of two regression-based approaches for determining nutrient and sediment fluxes and trends in the Chesapeake Bay watershed | |
| CN115311828A (en) | Intelligent underwater engineering structure detection method and system based on digital twins | |
| CN103558360A (en) | Method for measuring rainfall capacity of critical unstable starting of rainfall type landslide | |
| Abdollahi et al. | Probabilistic event based rainfall-runoff modeling using copula functions | |
| CN112084608B (en) | Method for identifying risk pipelines and nodes by adopting parameter uncertainty analysis model | |
| Sharma et al. | Modeling of hydrological drought durations and magnitudes: Experiences on Canadian streamflows | |
| Petersen-Øverleir et al. | Bayesian rating curve inference as a streamflow data quality assessment tool | |
| US20240184960A1 (en) | Calculation method for dike breach development process | |
| Kinnell | Event erosivity factor and errors in erosion predictions by some empirical models | |
| Zhu et al. | Reliability-based retrofit assessment of coastal bridges subjected to wave forces using 3D CFD simulation and metamodeling | |
| Abdulali et al. | Extreme value distributions: An overview of estimation and simulation | |
| CN111339589B (en) | Stilling pool safety assessment method and device, storage medium and electronic equipment | |
| CN117191147A (en) | Flood discharge dam water level monitoring and early warning method and system | |
| Peng et al. | Multivariate frequency analysis of annual maxima suspended sediment concentrations and floods in the Jinsha River, China | |
| Wei et al. | Parametric wave spectrum model for typhoon-generated waves based on field measurements in nearshore strait water | |
| Fadaei Kermani et al. | Prediction of cavitation damage on spillway using K-nearest neighbor modeling | |
| Mascheri et al. | A framework for multi-risk assessment in a historical area of Lisbon | |
| Annad et al. | Analytic network process for local scour formula ranking with parametric sensitivity analysis and soil class clustering | |
| Stoica et al. | FLOOD VULNERABILITY ASSESMENT BASED ON MATHEMATICAL MODELING. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Haoran Inventor after: Xie Hui Inventor after: Chen Yongcan Inventor after: Liu Zhaowei Inventor before: Wang Haoran Inventor before: Chen Yongcan Inventor before: Liu Zhaowei Inventor before: Xie Hui |
|
| CB03 | Change of inventor or designer information |