CN115859449A - Risk assessment system based on subway construction working condition analysis - Google Patents
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Abstract
The invention relates to the technical field of construction analysis. The invention relates to a risk assessment system based on subway construction working condition analysis. The landform model optimizing system comprises a landform data acquisition system, a landform model simulation system and a landform model optimizing auxiliary system. Compared with a common subway construction risk assessment method, the method has the advantages that modeling simulation operation is performed according to information in the previous subway construction, actual conditions are compared with simulation operation results, an incomplete place in a model is obtained, then a modeling method of a geomorphic data modeling unit and an information acquisition method of a soil texture data acquisition unit are optimized, a relatively complete modeling and soil texture information acquisition method is obtained through modification of a large amount of subway construction information, modeling of the new subway before construction can be matched with the actual conditions, information on a construction site is continuously acquired in the subway construction process to predict later conditions of subway construction, and accuracy of risk assessment is further improved.
Description
Technical Field
The invention relates to the technical field of construction analysis, in particular to a risk assessment system based on subway construction working condition analysis.
Background
The subway is a rapid, large-traffic and electric power traction rail transit built in cities, trains run on fully closed lines, the lines in a central urban area are basically arranged in underground tunnels, the lines outside the central urban area are generally arranged on viaducts or the ground, and the subway is a special, high-density and high-traffic urban rail transit system covering various underground and overground rights of ways in the urban area.
The method is characterized in that a tunnel needs to be excavated underground for a line in a central urban area, the early-stage time for constructing the subway is long, planning and government approval are needed, even tests are needed, a very long time is needed from initial planning to the time of performing actions on earth breaking, the short time is several years, and the long time is ten years.
Disclosure of Invention
The invention aims to provide a risk assessment system based on subway construction working condition analysis, so as to solve the problems in the background technology.
In order to achieve the purpose, a risk assessment system based on subway construction working condition analysis is provided, and comprises a landform data acquisition system, a landform model simulation system and a landform model optimization auxiliary system;
the geomorphic data acquisition system collects and records geological conditions around a subway construction site;
the landform model simulation system carries out modeling and simulation according to the information of the landform data acquisition system;
the landform model simulation system comprises a data loading module, a landform modeling module and a landform model operation module;
the data loading module is used for transmitting the information acquired by the landform data acquisition system to the landform modeling module;
the landform modeling module carries out modeling according to the information of the data loading module;
the landform model operation module brings the model established by the landform modeling module into a scene for simulation test;
the geomorphic model optimization auxiliary system compares the simulation result with the actual result, and assists the optimization of the geomorphic model simulation system according to the comparison result.
As a further improvement of the technical scheme, the geomorphic data acquisition system comprises a geomorphic data acquisition module and a geomorphic data recording module;
the landform data acquisition module comprises a soil quality data acquisition unit and a tunnel depth matching unit;
the geomorphic data acquisition module is used for acquiring soil property information of each depth;
and the geomorphic data recording module records the change conditions of the soil property information before and after the subway engineering construction.
As a further improvement of the technical scheme, the soil property data acquisition unit is used for acquiring geological information around a subway construction site;
and the tunnel depth matching unit is used for matching according to the construction depth of the subway construction site and the geological information acquired by the soil data acquisition unit.
As a further improvement of the technical solution, the geomorphic data recording module includes a geomorphic data collecting unit and a geomorphic change collecting unit;
the geomorphic data collection unit is used for storing the geological information collected by the soil texture data collection unit and the tunnel depth matching unit;
the landform change collecting unit stores soil layer stress change information during subway engineering construction.
As a further improvement of the technical solution, the data loading module includes a landform data loading unit and a landform change loading unit;
the landform data loading unit transmits geological information in the landform data collection unit and the soil texture data collection unit to the landform modeling module;
and the landform change loading unit transmits the geological change information after construction in the landform change collecting unit to the landform model operation module.
As a further improvement of the technical scheme, the geomorphic modeling module comprises a geomorphic data modeling unit, a geomorphic model optimizing unit and a tunnel data modeling unit;
the landform data modeling unit carries out modeling according to the information transmitted by the landform data loading unit;
the geomorphic model optimization unit is used for performing auxiliary optimization on the geomorphic data modeling unit according to the information of the geomorphic model optimization auxiliary system;
the tunnel data modeling unit models an expected tunnel according to the design information of the subway engineering.
As a further improvement of the technical solution, the geomorphic model operation module comprises a geomorphic model integration unit and a geomorphic model operation unit;
the landform model integration unit puts the model in the tunnel data modeling unit into the landform data modeling unit and changes the stress condition of the soil layer in the landform data modeling unit according to the information transmitted by the landform change loading unit;
the geomorphic model operation unit operates the models in the geomorphic model integration unit in the display scene.
As a further improvement of the technical solution, the geomorphic model optimization assistance system includes a model-reality comparison module and a model optimization assistance module;
the model-reality comparison module compares the operation information of the model in the geomorphic model operation module with the actual condition;
and the model optimization auxiliary module is used for carrying out optimization auxiliary on the landform model operation module according to the comparison result of the model-reality comparison module.
As a further improvement of the technical scheme, the model-reality comparison module comprises a construction condition input unit and a model-reality comparison unit;
the construction condition recording unit collects the actual conditions of the subway construction site;
and the model-reality comparison unit compares the results of the construction condition input unit and the geomorphic model operation unit.
As a further improvement of the technical solution, the model optimization assisting module includes a difference analysis unit and an optimization suggestion unit;
the difference analysis unit analyzes the comparison result of the model-reality comparison unit;
the optimization suggestion unit provides optimization suggestions for the modeling of the geomorphic model integration unit according to the analysis results of the difference analysis unit, and transmits the optimization suggestions to the geomorphic model operation unit and the soil texture data acquisition unit.
Compared with the prior art, the invention has the beneficial effects that:
according to the risk assessment system based on subway construction condition analysis, information of a built subway in the construction process can be referred, and the construction is predicted by continuously acquiring the information in the construction process.
Drawings
FIG. 1 is an overall flow diagram of the present invention;
FIG. 2 is a block flow diagram of a geomorphic data acquisition module of the present invention;
FIG. 3 is a block diagram of a process of a geomorphic data collection module of the present invention;
FIG. 4 is a block diagram of the flow of the data load module of the present invention;
FIG. 5 is a block flow diagram of a geomorphic modeling module of the present invention;
FIG. 6 is a block flow diagram of a geomorphic model execution module of the present invention;
FIG. 7 is a block flow diagram of the model-reality comparison module of the present invention;
FIG. 8 is a block flow diagram of the model optimization assistance module of the present invention.
The various reference numbers in the figures mean:
1. a landform data acquisition module;
11. a soil property data acquisition unit; 12. a tunnel depth matching unit;
2. a landform data recording module;
21. a geomorphic data collection unit; 22. a geomorphic change collection unit;
3. a data loading module;
31. a landform data loading unit; 32. a landform change loading unit;
4. a landform modeling module;
41. a landform data modeling unit; 42. a landform model optimizing unit; 43. a tunnel data modeling unit;
5. a geomorphic model operation module;
51. a landform model integration unit; 52. a geomorphic model operation unit;
6. a model-reality comparison module;
61. a construction condition recording unit; 62. a model-reality comparison unit;
7. a model optimization assistance module;
71. a difference analysis unit; 72. and optimizing the recommendation unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1 to 8, the present embodiment aims to provide a risk assessment system based on analysis of subway construction conditions, which includes a landform data acquisition system, a landform model simulation system, and a landform model optimization auxiliary system;
the geomorphic data acquisition system collects and records the geological conditions around the subway construction site;
the landform model simulation system carries out modeling and simulation according to the information of the landform data acquisition system;
the landform model simulation system comprises a data loading module 3, a landform modeling module 4 and a landform model operating module 5;
the data loading module 3 is used for transmitting the information acquired by the landform data acquisition system to the landform modeling module 4;
the landform modeling module 4 carries out modeling according to the information loaded into the module 3;
the landform model operation module 5 brings the model established by the landform modeling module 4 into a scene for simulation test;
and the landform model optimization auxiliary system compares the simulation result with the actual result and assists the optimization of the landform model simulation system according to the comparison result.
The landform data acquisition system comprises a landform data acquisition module 1 and a landform data recording module 2;
the landform data acquisition module 1 comprises a soil data acquisition unit 11 and a tunnel depth matching unit 12;
the landform data acquisition module 1 is used for acquiring soil property information of each depth;
and the landform data recording module 2 records the change conditions of the soil property information before and after the subway engineering construction.
The soil property data acquisition unit 11 is used for acquiring geological information around a subway construction site, when a tunnel is excavated underground, the stress conditions of different geological conditions are different, the stress required to be borne by the tunnel is also different, in order to avoid tunnel collapse, the geological conditions around the subway construction site need to be acquired in detail, and the tunnel can be conveniently simulated according to the acquired information;
the tunnel depth matching unit 12 matches the geological information collected by the soil data collecting unit 11 according to the construction depth of the subway construction site, and because the pressure born by different depth soil layers is different, the tunnel depth matching unit needs to match the construction depth and the address information of the subway, so that the landform can be simulated in the later period.
The geomorphic data recording module 2 comprises a geomorphic data collecting unit 21 and a geomorphic change collecting unit 22;
the geomorphic data collection unit 21 is used for storing geological information collected by the soil data collection unit 11 and the tunnel depth matching unit 12, and the geomorphic data collection unit 21 is a database and stores geological information of subway construction at each time. The reference is convenient to be carried out in the construction of other subway projects in the later period;
the geomorphic change collecting unit 22 stores soil layer stress change information during the construction of the subway engineering, which affects the stress conditions of surrounding soil layers during the construction of the subway engineering, and the soil layer stress conditions of different geological conditions vary differently, so as to facilitate reference during the later construction of the subway engineering.
The data loading module 3 comprises a landform data loading unit 31 and a landform change loading unit 32;
the geomorphic data loading unit 31 transmits geological information in the geomorphic data collecting unit 21 and the soil property data collecting unit 11 to the geomorphic modeling module 4, the geomorphic data loading unit 31 transmits the information of the geomorphic data collecting unit 21 and the soil property data collecting unit 11 to the geomorphic modeling module 4 respectively, and when no subway is constructed, various geological data of a previously constructed subway are led into the geomorphic modeling module 4 for modeling, so that comparison with actual conditions is facilitated, and further modeling optimization is completed; when the subway construction exists, the actually acquired address information is transmitted to the geomorphic modeling module 4 for modeling, so that the possible situations in the construction process can be conveniently predicted;
the landform change loading unit 32 transmits the geological change information after construction in the landform change collection unit 22 to the landform model operation module 5, so that the landform model operation module 5 can be conveniently attached to actual conditions for simulation.
The geomorphic modeling module 4 includes a geomorphic data modeling unit 41, a geomorphic model optimizing unit 42, and a tunnel data modeling unit 43;
the geomorphic data modeling unit 41 performs modeling according to the information transmitted by the geomorphic data loading unit 31, performs modeling according to geological information of a subway construction site, is more suitable for actual conditions, and performs modeling simulation by using the information recorded in the geomorphic data collecting unit 21 when no subway is constructed;
the geomorphic model optimization unit 42 is used for performing auxiliary optimization on the geomorphic data modeling unit 41 according to the information of the geomorphic model optimization auxiliary system, and an operator can optimize the modeling method of the geomorphic data modeling unit 41 through the geomorphic model optimization unit 42, so that the modeling of the geomorphic data modeling unit 41 is more suitable for the actual situation;
the tunnel data modeling unit 43 models a desired tunnel according to the design information of the subway project, and facilitates synchronous operation with the model in the geomorphic data modeling unit 41.
The geomorphic model operation module 5 comprises a geomorphic model integration unit 51 and a geomorphic model operation unit 52;
the landform model integration unit 51 puts the model in the tunnel data modeling unit 43 into the landform data modeling unit 41, and changes the stress condition of the soil layer in the landform data modeling unit 41 according to the information transmitted by the landform change loading unit 32, the landform change loading unit 32 transmits the geological change information recorded in the landform change collecting unit 22 to the landform model integration unit 51, and the landform model integration unit 51 modifies the stress condition of the soil layer in the landform data modeling unit 41, so that the simulation data is closer to the actual condition;
the geomorphic model operation unit 52 operates the models in the geomorphic model integration unit 51 in a display scene, and the geomorphic model operation unit 52 adds the influence of weather during subway construction to the geomorphic model integration unit 51, so that the models in the geomorphic model integration unit 51 operate according to actual conditions, thereby facilitating the testing of the conditions which may occur in the operation of the geomorphic model integration unit 51.
The landform model optimization auxiliary system comprises a model-reality comparison module 6 and a model optimization auxiliary module 7;
the model-reality comparison module 6 compares the operation information of the model in the geomorphic model operation module 5 with the actual situation;
and the model optimization auxiliary module 7 carries out optimization auxiliary on the geomorphic model operation module 5 according to the comparison result of the model-reality comparison module 6.
The model-reality comparison module 6 includes a construction condition entry unit 61 and a model-reality comparison unit 62;
the construction condition recording unit 61 collects the actual conditions of the subway construction site, and because various problems can be encountered in the actual construction process and the actual construction conditions cannot be completely fit during simulation, the actual construction conditions and the simulation need to be compared in order to make the simulation in the later stage more fit to the actual conditions;
the model-reality comparison unit 62 compares the results of the construction condition entry unit 61 and the geomorphic model operation unit 52, so as to analyze the operation of the model and modify the model.
The model optimization assistance module 7 includes a difference analysis unit 71 and an optimization suggestion unit 72;
the difference analysis unit 71 analyzes the comparison result of the model-reality comparison unit 62, analyzes the difference between the actual construction result and the model simulation operation result, analyzes the influence factors lacking in the model, and adds the factors into the geomorphic model integration unit 51 to improve the simulation scheme of subway construction in the later stage;
the optimization suggestion unit 72 proposes an optimization suggestion for the modeling of the geomorphic model integration unit 51 according to the analysis result of the difference analysis unit 71, and transmits the optimization suggestion to the geomorphic model operation unit 52 and the soil property data acquisition unit 11, the optimization suggestion unit 72 feeds the optimization suggestion intuitively to an operator, the operator can intuitively obtain a model and an actual difference point according to the feedback of the optimization suggestion unit 72, the operator can adjust the acquisition methods of the geomorphic model integration unit 51 and the soil property data acquisition unit 11 based on the difference point, and the geomorphic model operation unit 52 optimizes the modeling of the geomorphic model integration unit 51 according to the suggestion of the optimization suggestion unit 72.
The optimization suggestion unit 72 performs calculation using an optimization suggestion algorithm, which includes the following steps:
(1) comparing the weather and the operation condition in the geomorphic model operation unit 52 and the construction condition input unit 61;
(2) comparing the soil layer change conditions in the geomorphic model operation unit 52 and the construction condition recording unit 61;
(3) and optimizing the acquisition method of the soil texture data acquisition unit 11 and the modeling method of the landform model integration unit 51 according to the results of (1) and (2).
(1) Comparing the weather change of the model operation in the geomorphic model operation unit 52 with the weather condition in actual construction, and judging the influence of weather on the construction result; (2) comparing the change information of the soil layer conditions in the model operation and the actual construction in the geomorphic model operation unit 52, if the weather change is not large and the soil layer change is large, the change information indicates that the acquisition information of the soil texture data acquisition unit 11 is not comprehensive enough or the modeling of the geomorphic data modeling unit 41 is not practical enough, and then optimizing the soil texture data acquisition unit 11 and the geomorphic data modeling unit 41 according to the comparison result.
Before subway construction, soil information around a subway construction site is acquired by a soil data acquisition unit 11, soil information is matched according to the design depth of a subway tunnel by a tunnel depth matching unit 12, soil information of previous subway construction is stored by a landform data acquisition unit 21, soil change information after construction is stored by a landform change acquisition unit 22, soil information is transmitted to a landform data modeling unit 41 by a landform data loading unit 31, the soil layer around the subway construction site is modeled according to the information of the landform data loading unit 31 and the stress capability of various soil qualities, a tunnel model is established by a tunnel data modeling unit 43 according to the design information of the subway tunnel, a landform model integration unit 51 integrates the models in the landform data modeling unit 41 and the tunnel data modeling unit 43 by the information of the landform change loading unit 32 to form a new model, the landform model operation unit 52 enables the landform model integration unit 51 to operate under the condition of the influence, the process of the condition is stored by the landform model integration unit 61, the operation unit 62 simultaneously feeds back the construction result of the landform data acquisition unit 52 and the construction data analysis result of the landslide optimization analysis unit 71 to the working optimization unit 71, the comparison and the comparison result of the landslide optimization unit 71, the landslide analysis unit 71 and the total analysis unit 71, the total landslide analysis result of the total landslide analysis unit 71, the modeling of the geomorphic data modeling unit 41 is optimized through the geomorphic model optimizing unit 42 in the later period, so that the modeling of the geomorphic data modeling unit 41 is more fit to the actual situation;
when a subway is about to start construction, the soil texture data acquisition unit 11 acquires soil texture information around a subway construction site, the tunnel depth matching unit 12 matches the soil texture information according to the design depth of a subway tunnel, the geomorphic data loading unit 31 transmits the information acquired by the soil texture data acquisition unit 11 and the tunnel depth matching unit 12 to the geomorphic data modeling unit 41 for modeling, the geomorphic data modeling unit 41 models according to the information of the geomorphic data loading unit 31 and the stress capability of various soils, the geomorphic model optimization unit 42 models according to the design information, the geomorphic model integration unit 51 and the geomorphic model operation unit 52 operate the two models, at the moment, collapse and settlement problems which may occur during construction can be predicted, the modeling is modified by acquiring soil texture information in real time when construction is performed, so that the prediction of the models is more accurate, the information which has been excavated is acquired by the construction condition entry unit 61, the model-reality comparison unit 62 compares the information in the geomorphic model integration unit 51 with the condition modeling unit 61, and the operation result of the geological model is further compared with the recommended analysis method for analyzing the difference of the construction results, the analysis and optimization method for analyzing the difference of the geological data, which are firstly performed by the geological data acquisition and optimization unit 71, a relatively perfect modeling and soil layer information acquisition method is obtained through modification of a large amount of subway construction information, so that modeling of a new subway before construction can be matched with actual conditions, subway construction is predicted, information on a construction site is continuously acquired in the subway construction process to predict later conditions of subway construction, and accuracy of risk assessment is further improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Risk assessment system based on subway construction operating mode analysis, its characterized in that: the landform data acquisition system comprises a landform data acquisition system, a landform model simulation system and a landform model optimization auxiliary system;
the geomorphic data acquisition system collects and records geological conditions around a subway construction site;
the landform model simulation system carries out modeling and simulation according to the information of the landform data acquisition system;
the landform model simulation system comprises a data loading module (3), a landform modeling module (4) and a landform model operation module (5);
the data loading module (3) is used for transmitting the information acquired by the landform data acquisition system to the landform modeling module (4);
the landform modeling module (4) carries out modeling according to the information of the data loading module (3);
the landform model operation module (5) brings the model established by the landform modeling module (4) into a scene for simulation test;
the geomorphic model optimization auxiliary system compares the simulation result with the actual result, and assists the optimization of the geomorphic model simulation system according to the comparison result.
2. The risk assessment system based on subway construction condition analysis as claimed in claim 1, wherein: the landform data acquisition system comprises a landform data acquisition module (1) and a landform data recording module (2);
the landform data acquisition module (1) comprises a soil data acquisition unit (11) and a tunnel depth matching unit (12);
the geomorphic data acquisition module (1) is used for acquiring soil property information of each depth;
and the landform data recording module (2) records the change conditions of the soil property information before and after the subway engineering construction.
3. The risk assessment system based on subway construction condition analysis as claimed in claim 2, wherein: the soil property data acquisition unit (11) is used for acquiring geological information around a subway construction site;
and the tunnel depth matching unit (12) is used for matching according to the construction depth of the subway construction site and the geological information acquired by the soil property data acquisition unit (11).
4. The risk assessment system based on subway construction condition analysis as claimed in claim 3, wherein: the geomorphic data recording module (2) comprises a geomorphic data collecting unit (21) and a geomorphic change collecting unit (22);
the landform data collection unit (21) is used for storing geological information collected by the soil data collection unit (11) and the tunnel depth matching unit (12);
the landform change collecting unit (22) stores soil layer stress change information during subway engineering construction.
5. The risk assessment system based on subway construction condition analysis as claimed in claim 4, wherein: the data loading module (3) comprises a landform data loading unit (31) and a landform change loading unit (32);
the geomorphic data loading unit (31) transmits geological information in the geomorphic data collection unit (21) and the soil texture data acquisition unit (11) to the geomorphic modeling module (4);
the geomorphic change loading unit (32) transmits geological change information after construction in the geomorphic change collecting unit (22) to the geomorphic model operation module (5).
6. The risk assessment system based on subway construction condition analysis as claimed in claim 5, wherein: the landform modeling module (4) comprises a landform data modeling unit (41), a landform model optimizing unit (42) and a tunnel data modeling unit (43);
the landform data modeling unit (41) performs modeling according to the information transmitted by the landform data loading unit (31);
the landform model optimization unit (42) is used for performing auxiliary optimization on the landform data modeling unit (41) according to the information of the landform model optimization auxiliary system;
the tunnel data modeling unit (43) models an intended tunnel according to design information of subway engineering.
7. The risk assessment system based on subway construction condition analysis as claimed in claim 6, wherein: the geomorphic model operation module (5) comprises a geomorphic model integration unit (51) and a geomorphic model operation unit (52);
the geomorphic model integration unit (51) puts the model in the tunnel data modeling unit (43) into the geomorphic data modeling unit (41), and changes the stress condition of the soil layer in the geomorphic data modeling unit (41) according to the information transmitted by the geomorphic change loading unit (32);
the geomorphic model operation unit (52) operates the models in the geomorphic model integration unit (51) in the display scene.
8. The risk assessment system based on subway construction condition analysis as claimed in claim 7, wherein: the landform model optimization auxiliary system comprises a model-reality comparison module (6) and a model optimization auxiliary module (7);
the model-reality comparison module (6) compares the operation information of the model in the geomorphic model operation module (5) with the actual situation;
the model optimization auxiliary module (7) carries out optimization auxiliary on the geomorphic model operation module (5) according to the comparison result of the model-reality comparison module (6).
9. The risk assessment system based on subway construction condition analysis as claimed in claim 8, wherein: the model-reality comparison module (6) comprises a construction condition input unit (61) and a model-reality comparison unit (62);
the construction condition recording unit (61) collects the actual conditions of the subway construction site;
the model-reality comparison unit (62) compares the results of the construction situation entry unit (61) and the geomorphic model operation unit (52).
10. The risk assessment system based on subway construction condition analysis as claimed in claim 9, wherein: the model optimization assistance module (7) comprises a difference analysis unit (71) and an optimization suggestion unit (72);
the difference analysis unit (71) analyzes the comparison result of the model-reality comparison unit (62);
the optimization suggestion unit (72) proposes optimization suggestions for modeling of the geomorphic model integration unit (51) according to the analysis result of the difference analysis unit (71), and transmits the optimization suggestions to the geomorphic model operation unit (52) and the soil property data acquisition unit (11).
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| CN117709601A (en) * | 2024-01-16 | 2024-03-15 | 华北科技学院(中国煤矿安全技术培训中心) | Coal seam carbon sequestration risk detection and safety evaluation method |
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