CN112780285B - Method and device for dynamically adjusting excavation construction of high side wall of subway station - Google Patents
Method and device for dynamically adjusting excavation construction of high side wall of subway station Download PDFInfo
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- CN112780285B CN112780285B CN202110220929.5A CN202110220929A CN112780285B CN 112780285 B CN112780285 B CN 112780285B CN 202110220929 A CN202110220929 A CN 202110220929A CN 112780285 B CN112780285 B CN 112780285B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The application discloses a method and a device for dynamically adjusting high side wall excavation construction by a large-span arch cover method, wherein the method comprises the steps of obtaining monitoring information and supporting information of the high side wall excavation construction; generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high-side wall excavation construction; converting the BIM model into a finite element calculation file; performing inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information; and dynamically adjusting the construction scheme based on the analysis result of the inverse analysis. According to the method and the device, the surrounding rock parameters in the high-side wall excavation construction process are reversely analyzed based on the finite element calculation file converted by the BIM model and the monitoring information, and then the construction scheme is dynamically adjusted based on the BIM model according to the reverse analysis result, so that the real-time performance, the accuracy and the rapidity of the dynamic adjustment of the construction scheme are realized.
Description
Technical Field
The application relates to the technical field of subway station construction, in particular to a method and a device for dynamically adjusting excavation construction of a high side wall of a subway station.
Background
In the construction process of the large-span arch cover method of the subway station, the high side wall construction of the lower main body structure is a key link in the whole construction process, the excavation section of the high side wall construction is large, and the construction period is long. Therefore, the design of the early-stage high-side wall scheme may have certain defects or shortages, so that the construction scheme needs to be dynamically adjusted in real time in the construction process.
In the construction process, the scheme dynamic adjustment is carried out on the earlier design scheme according to the construction monitoring data, so that the construction efficiency can be effectively improved on the premise of ensuring the construction safety. However, in the past, a great deal of time is required for technicians to perform the present manual monitoring and data acquisition, the monitoring coverage density is small, the early warning requirement cannot be met, and the personal safety of the measuring personnel cannot be ensured. And a certain potential safety hazard exists in the dynamic adjustment of the scheme according to the monitoring data. Meanwhile, if deformation occurs once in the construction process of the high side wall, the reasons need to be immediately checked and solved. The original monitoring mode of the deformation of the high side wall by manually carrying the measuring instrument at regular intervals is difficult to realize real-time monitoring, and the hidden danger of the deformation of the high side wall is not intuitive and inconvenient enough for a manager to check, so that the problem is not found timely enough.
Disclosure of Invention
Object of the invention
In order to overcome the defects in the prior art, the application provides a method and a device for dynamically adjusting the excavation construction of a high side wall of a subway station, wherein the method is used for generating a BIM model according to monitoring information and supporting information of the high side wall construction, performing inverse analysis on surrounding rock parameters based on finite element calculation files and monitoring information converted by the BIM model, and further dynamically adjusting a construction scheme based on the BIM model, so that the real-time performance, accuracy and rapidity of the dynamic adjustment of the construction scheme are realized.
(II) technical scheme
To solve the above technical problems, a first aspect of the embodiments of the present application provides a method for dynamically adjusting excavation construction of a high side wall of a subway station, including:
acquiring monitoring information and supporting information of the high side wall excavation construction, wherein the monitoring information is acquired in real time by an automatic monitoring device arranged on the high side wall, and the supporting information is included in a construction scheme of the high side wall excavation construction;
generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high side wall excavation construction, wherein the BIM model is integrated with a BIM component expansion library for the high side wall construction, a parameterized construction structural member and an automatic monitoring device family library for monitoring the high side wall construction in real time;
converting the BIM model into a finite element calculation file;
performing inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information to generate an inverse analysis result of the surrounding rock parameters;
and dynamically adjusting the construction scheme based on the BIM according to the inverse analysis result.
In some embodiments, the method further comprises:
acquiring monitoring information and supporting information of the high side wall excavation construction again;
updating the BIM model based on the new monitoring information, the new supporting information and the adjusted construction scheme;
converting the updated BIM model into a new finite element calculation file;
performing inverse analysis on the new surrounding rock parameters in the high-side wall excavation construction process based on the new finite element calculation file and the monitoring information to generate an inverse analysis result of the new surrounding rock parameters;
dynamically adjusting the adjusted construction scheme again based on the new inverse analysis result;
and repeating the process of obtaining the monitoring information and the supporting information of the high side wall excavation construction again until the high side wall construction is finished, wherein the process is used for dynamically adjusting the adjusted construction scheme again based on a new inverse analysis result.
In some embodiments, the construction scheme comprises an excavation scheme and a reinforcement scheme, the excavation scheme comprises the size and the footage of rock mass excavation, the reinforcement scheme comprises anchor rod reinforcement of two-side rock masses, anchor cable reinforcement of two-side rock masses and support of two-side rock masses, and the support information is state and/or parameter information of the two-side rock masses and reinforcement equipment in the reinforcement scheme.
In some embodiments, after generating a BIM model based on the monitoring information, the support information, and the construction scheme information of the high-side wall excavation construction, before converting the BIM model into the finite element calculation file, the method further includes:
storing the acquired monitoring information and the acquired supporting information in a database;
and enabling the real-time data and the time course change curve in the monitoring information and the supporting information to be visually inquired and displayed through the BIM model.
In some embodiments, storing the acquired monitoring information and the support information in a database includes:
ID numbering is carried out on an automatic monitoring device for acquiring the monitoring information;
and marking the database file stored in the database by using the ID number, so that the database file has a corresponding relation with the automatic monitoring device for acquiring the monitoring information.
In some embodiments, the method further comprises:
and when the monitoring data with the threshold range set in the monitoring information exceeds a set threshold, performing pre-alarming on the automatic monitoring device generating the monitoring information through the BIM model so as to remind the abnormal condition of the monitoring object of the automatic monitoring device.
In some embodiments, the automatic monitoring device is configured to monitor settlement and convergence of the high side wall at a determined time and a determined range, and the monitoring information includes a vertical settlement value and a horizontal convergence value of the high side wall at the determined time and the determined range.
The second aspect of the embodiments of the present application provides a device for dynamically adjusting excavation construction of a high side wall of a subway station, including:
the information acquisition module is used for acquiring monitoring information and supporting information of the high-side wall excavation construction, the monitoring information is acquired in real time by an automatic monitoring device arranged on the high-side wall, and the supporting information is included in a construction scheme of the high-side wall excavation construction;
the model generation module is used for generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high-side wall excavation construction, and the BIM model is integrated with a BIM component expansion library for the high-side wall construction, a parameterized construction structural member and an automatic monitoring device family library for monitoring the high-side wall construction in real time;
the model conversion module is used for converting the BIM model into a finite element calculation file;
the inverse analysis module is used for carrying out inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information, and generating an inverse analysis result of the surrounding rock parameters;
and the dynamic adjustment module is used for dynamically adjusting the construction scheme based on the BIM according to the inverse analysis result.
In some embodiments, the information acquisition module is further configured to acquire monitoring information and supporting information of the high side wall excavation construction again; the model generation module is further used for updating the BIM model based on the new monitoring information, the new supporting information and the adjusted construction scheme; the model conversion module is also used for converting the updated BIM model into a new finite element calculation file; the inverse analysis module is further used for carrying out inverse analysis on the new surrounding rock parameters in the high-side wall excavation construction process based on the new finite element calculation file and the monitoring information, and generating an inverse analysis result of the new surrounding rock parameters; the dynamic adjustment module is also used for dynamically adjusting the adjusted construction scheme again based on the new inverse analysis result.
A third aspect of embodiments of the present application provides an electronic device, including a memory and a processor; the memory is used for storing a computer program; the processor is configured to implement the method according to any of the first aspects above when executing the computer program.
(III) beneficial effects
According to the method and the device, the BIM model is generated according to the monitoring information and the supporting information of the high-side wall construction, the surrounding rock parameters in the high-side wall excavation construction process are reversely analyzed based on the finite element calculation file converted by the BIM model and the monitoring information, and then the construction scheme is dynamically adjusted based on the BIM model according to the reverse analysis result, so that the real-time performance, accuracy and rapidity of the dynamic adjustment of the construction scheme are realized.
Drawings
FIG. 1 is a flow chart of method steps of example 1 of the present application;
FIG. 2 is a flow chart of method steps of example 2 of the present application;
FIG. 3 is a schematic view of the horizontal convergence and vertical settlement of the high side wall in an embodiment of the present application;
FIG. 4 is a schematic diagram of the distribution of the automatic monitoring device on the high-side wall in the embodiment of the application;
FIG. 5 is a block diagram of a monitoring information processing flow based on a BIM model in an embodiment of the application;
FIG. 6 is a schematic diagram of a BIM model in an embodiment of the present application;
FIG. 7 is a finite element computation file diagram in an embodiment of the present application;
FIG. 8 is a schematic diagram showing the comparison of the construction scheme before and after adjustment in the embodiment of the present application;
fig. 9 is a block diagram of an apparatus according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings. It should be understood that the description is only exemplary and is not intended to limit the scope of the present application. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the concepts of the present application.
A layer structure schematic diagram according to an embodiment of the present application is shown in the drawings. The figures are not drawn to scale, wherein certain details may be exaggerated and some details may be omitted for clarity. The shapes of the various regions, layers and relative sizes, positional relationships between them shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not collide with each other.
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Wherein, in the description of the embodiments of the present application, "/" means or is meant unless otherwise indicated, for example, a/B may represent a or B; the term "and/or" in the present application is merely an association relation describing the association object, and means that three kinds of relations may exist, for example, a and/or B may mean that a exists alone, while a and B exist together, and B exists alone. As used in this application, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being, a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of illustration, both an application running on a computing device and the computing device can be a component. One or more components may reside within a process and/or thread of execution and a component may be localized on one computer and/or distributed between two or more computers. Furthermore, these components can execute from various computer readable media having various data structures stored thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from two components interacting with one another in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).
Explanation of related terms in the examples of the present application:
the high side wall of the subway station is a tunnel side wall which is formed in the construction process of the large-span arch cover method of the subway station, has a considerable height, is usually more than a few meters, and is easy to vertically subside or horizontally converge.
The monitoring information is obtained in real time by an automatic monitoring device arranged on the high-side wall and mainly comprises the information of vertical settlement and horizontal convergence of the high-side wall.
The support information mainly comprises state and/or parameter information of the two-side rock mass and the reinforcement equipment in the reinforcement scheme of anchor rod reinforcement of the two-side rock mass, anchor cable reinforcement of the two-side rock mass and support of the two-side rock mass.
The BIM model, building information model (Building Information Modeling, BIM), is a computer-based three-dimensional model that supports document management, coordination, and simulation throughout the project lifecycle (planning, design, construction, operation, and maintenance).
The finite element analysis is to simulate a real physical system (geometric and load working conditions) by using a mathematical approximation method, namely, a simple problem is used for replacing a complex problem and then solving the complex problem. It regards the solution domain as consisting of a number of small interconnected subfields, called finite elements, assuming a suitable (simpler) approximation solution for each cell, and then deriving solutions to the overall satisfaction conditions of this domain (such as the equilibrium conditions of the structure), resulting in solutions to the problem, such as the perimeter inverse analysis of a circle by approximating the circle with a polygon (a finite number of straight line cells). Finite element computation files are those files that are grouped together into discrete units that represent the actual continuous domain.
The first aspect of the embodiments of the present application provides a method for dynamically adjusting excavation construction of a high side wall of a subway station, including:
acquiring monitoring information and supporting information of the high side wall excavation construction, wherein the monitoring information is acquired in real time by an automatic monitoring device arranged on the high side wall, and the supporting information is included in a construction scheme of the high side wall excavation construction;
generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high side wall excavation construction, wherein the BIM model is integrated with a BIM component expansion library for the high side wall construction, a parameterized construction structural member and an automatic monitoring device family library for monitoring the high side wall construction in real time;
converting the BIM model into a finite element calculation file;
performing inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information to generate an inverse analysis result of the surrounding rock parameters;
and dynamically adjusting the construction scheme based on the BIM according to the inverse analysis result.
Example 1
Fig. 1 is a flow chart of method steps of example 1 of the present application.
As shown in fig. 1, a method for dynamically adjusting excavation construction of a high side wall of a subway station includes:
step 110: acquiring monitoring information and supporting information of the high-side wall excavation construction, wherein the monitoring information is acquired in real time by an automatic monitoring device arranged on the high-side wall; the supporting information is included in a construction scheme of the high-side wall excavation construction.
In the excavation construction of the high side wall of the large-span arch cover method of the subway station, an automatic monitoring device shown in fig. 4 is installed on the high side wall of the lower structure, and the automatic monitoring device is used for monitoring the horizontal convergence and vertical settlement of the high side wall in real time in the construction process of the high side wall shown in fig. 3.
Step 110 of acquiring monitoring information and supporting information of the excavation construction of the high side wall refers to acquiring monitoring information of real-time monitoring of horizontal convergence and vertical settlement of the high side wall by the automatic monitoring device in fig. 4, and acquiring state and/or parameter information of the two side rock masses and the reinforcing equipment according to information included in the reinforcing scheme in the current construction scheme, such as anchor rod reinforcement of the two side rock masses, anchor cable reinforcement of the two side rock masses and supporting information of the two side rock masses.
Step 120: and generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high side wall excavation construction, wherein the BIM model is integrated with a BIM component expansion library for the high side wall construction, a parameterized construction structural member and an automatic monitoring device family library for monitoring the high side wall construction in real time.
The monitoring information is obtained in real time by an automatic monitoring device arranged on the high-side wall and mainly comprises the information of vertical settlement and horizontal convergence of the high-side wall. The support information mainly comprises state and/or parameter information of the two-side rock mass and the reinforcement equipment in the reinforcement scheme of anchor rod reinforcement of the two-side rock mass, anchor cable reinforcement of the two-side rock mass and support of the two-side rock mass. The BIM model, namely the building information model (Building Information Modeling, BIM), is a three-dimensional simulation software based on a computer, which can support document management and coordination in the whole project life cycle (planning, designing, constructing, operating and maintaining). In this embodiment, the software model is integrated with a BIM component extension library for the high side wall construction, a parameterized construction structural member, and an automatic monitoring device family library for real-time monitoring of the high side wall construction. And when the monitoring information, the supporting information and the current construction scheme information of the high-side wall excavation construction are input into the three-dimensional simulation software, a BIM model which is available for the construction project is formed.
Step 130: and converting the BIM model into a finite element calculation file.
Finite element analysis is a process of simulating a real physical system (geometric and load conditions) by using a mathematical approximation method, namely replacing a complex problem with a simpler problem and then solving the complex problem. As shown in fig. 7, finite element computation files are those files that are grouped together to represent discrete units of an actual continuous domain, and based thereon, finite element analysis or inverse analysis may be performed. For this embodiment, for example, the information of the vertical sedimentation value and the horizontal convergence value of the limited position of the high side wall formed by the limited number of automatic monitoring devices is used, and then a finite element calculation file is formed by the finite values collected on the limited positions, so as to deduce and solve the situation of vertical sedimentation and horizontal convergence of the whole excavation section Gao Bianqiang provided with the automatic monitoring devices.
Wherein converting the BIM model into a finite element computation file means that a proper approximate solution is assumed for each unit or component in the BIM model, and then a file for finite element analysis or inverse analysis is formed based on the approximate solutions of the units or components.
Step 140: and performing inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information, and generating an inverse analysis result of the surrounding rock parameters.
The surrounding rock parameters refer to parameters of rock bodies supporting the high side wall from outside to inside on two sides of the high side wall, and generally comprise: elastic modulus parameters, cohesion parameters, internal friction angle parameters, poisson's ratio parameters, etc. of the surrounding rock mass. And performing inverse analysis on the surrounding rock parameters, namely inputting vertical settlement, horizontal convergence displacement, surrounding rock pressure, surface settlement and the like of the high-side wall monitoring points based on a Gaussian process nonlinear mapping model, and outputting specific quantities of the surrounding rock parameters, including the elastic modulus, poisson's ratio, cohesive force and friction angle of the surrounding rock mass. The method comprises the steps of obtaining the surrounding rock mechanical parameters, displacement and nonlinear mapping relation between the surrounding rock pressure and the surrounding rock mechanics by learning and training a sample formed by a three-dimensional numerical experiment through self-learning and nonlinear mapping properties of a Gaussian model. And (3) inputting displacement and pressure data monitored on site by utilizing the mapping relation, namely reversely analyzing a nonlinear mapping model of the Gaussian process, so as to obtain the current surrounding rock mechanical parameters corresponding to the monitored information.
The input of the Gaussian process nonlinear mapping footage determination model is the current surrounding rock mechanical parameter (the parameter meaning is the same as that of the inverse analysis Gaussian process nonlinear mapping model), the displacement and surrounding rock pressure control index (the input parameter corresponding to the inverse analysis Gaussian process nonlinear mapping model), and the output is the excavation footage parameter. And (3) for sample learning and training formed by the three-dimensional numerical experiment, obtaining nonlinear mapping relations of surrounding rock mechanical parameters, displacement and surrounding rock pressure control indexes. And (3) utilizing the mapping relation, namely the Gaussian process nonlinear mapping footage determination model, and inputting displacement and pressure data indexes.
The inverse analysis Gaussian process nonlinear mapping model and the Gaussian process nonlinear mapping footage determination model both adopt a differential evolution and Gaussian process model coupling learning algorithm, namely a GP-DE algorithm.
GP-DE prediction algorithms include Gaussian Process (GP) algorithms and Differential Evolution (DE) algorithms. Wherein the principle of the Gaussian Process Regression (GPR) algorithm is as follows:
assuming that for a family of random variables X with n being greater than or equal to 1 and corresponding output vectors y, a learning sample library d= (X, y) is formed, learning is performed on the learning sample library by means of GPR, and a nonlinear mapping relationship between the variables and the output vectors is established, so that for a newly given input X, GP predicts the corresponding output value y.
The GP-DE algorithm comprises the following specific implementation steps:
step 1: starting an optimization program, setting a variation factor F, a crossover factor CR, a difference strategy and parameters related to population scale NP of a DE algorithm, selecting a kernel function in the GP, and randomly generating super parameters in the kernel function as an initial population according to the DE rule.
Step 2: providing training samples for GP, adopting super parameters in the initial population to perform GP learning process, predicting test samples to obtain output values, and performing fitness evaluation.
Step 3: and (3) generating a new population based on mutation and intersection of the initial population generated in the step (1) according to the DE rule, giving GP to learn and predict again, evaluating the adaptability of the prediction result again, comparing the prediction result with the previous population, and selecting the population with better retention as a new parent population.
Step 4: judging the iteration termination condition of the optimal solution, and if the termination condition is met, exiting the calculation; otherwise, returning to the step 3.
Step 5: and repeating mutation, crossover, selection, GP prediction and fitness evaluation operation until the maximum population iteration number or objective function reaches a preset value, thereby completing GP-DE algorithm optimization.
Step 150: and dynamically adjusting the construction scheme based on the BIM according to the inverse analysis result.
As shown in fig. 8, the dynamic adjustment of the construction scheme based on the BIM model means that the construction scheme is dynamically adjusted in the BIM model according to the inverse analysis result obtained in the above step 140, so that the original design scheme is changed into a scheme after the dynamic adjustment through the adjustment. Specifically, the method comprises the steps of adjusting an excavation scheme and a reinforcement scheme. The adjusting the excavation scheme includes adjusting the size and footage of the rock mass excavation. The adjusting and reinforcing scheme comprises an anchor rod reinforcing scheme for adjusting rock bodies at two sides of the high side wall, an anchor rope reinforcing scheme for adjusting rock bodies at two sides and a supporting and supporting scheme for adjusting rock bodies at two sides.
Example 2
Fig. 2 is a flow chart of method steps of embodiment 2 of the present application.
Embodiment 2 is a process of further repeating adjustment of the construction scheme provided on the foundation of embodiment 1, as shown in fig. 2, comprising:
step 210: acquiring monitoring information and supporting information of the high side wall excavation construction again;
step 220: updating the BIM model based on the new monitoring information, the new supporting information and the adjusted construction scheme;
step 230: converting the updated BIM model into a new finite element calculation file;
step 240: performing inverse analysis on the new surrounding rock parameters in the high-side wall excavation construction process based on the new finite element calculation file and the monitoring information to generate an inverse analysis result of the new surrounding rock parameters;
step 250: dynamically adjusting the adjusted construction scheme again based on the new inverse analysis result;
step 260: the process from step 210 to step 250 is repeated until the high side wall construction is completed.
Example 2 is an iterative process of adjusting the construction plan performed in example 1, and the iterative process may be performed at a certain time period or at a certain engineering progress period until all the engineering sections of the construction plan are completed.
Fig. 5 is a flowchart of a monitoring information processing procedure based on a BIM model in the embodiment of the present application.
FIG. 6 is a schematic diagram of a BIM model in an embodiment of the present application.
As shown in fig. 5 and 6, in some embodiments, after generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high-side wall excavation construction, before converting the BIM model into the finite element calculation file, the method further includes:
storing the acquired monitoring information and the acquired supporting information in a database;
and enabling the real-time data and the time course change curve in the monitoring information and the supporting information to be visually inquired and displayed through the BIM model.
As shown in fig. 6, in some embodiments, storing the acquired monitoring information and the support information in a database includes:
ID numbering is carried out on an automatic monitoring device for acquiring the monitoring information;
and marking the database file stored in the database by using the ID number, so that the database file has a corresponding relation with the automatic monitoring device for acquiring the monitoring information.
In the implementation, the unique corresponding ID number is set for the automatic monitoring device, and the database file of the monitoring information stored in the database is marked through the ID number, so that the virtual automatic monitoring device in the BIM model based on the database can form a one-to-one correspondence with the actual automatic monitoring device in the construction ready, and the real-time data and time course change curve in the monitoring information and the supporting information can be visually inquired and displayed through the BIM model.
In some embodiments, the method further comprises:
and when the monitoring data with the threshold range set in the monitoring information exceeds a set threshold, performing pre-alarming on the automatic monitoring device generating the monitoring information through the BIM model so as to remind the abnormal condition of the monitoring object of the automatic monitoring device.
As shown in fig. 3, where the monitoring information is set with the monitoring data of the threshold range, for example, the vertical sedimentation value and the horizontal convergence value, the threshold range of the vertical sedimentation value may be set to be not greater than 10cm, and the horizontal convergence value may be set to be not greater than 5cm, then when the vertical sedimentation value is greater than or equal to 10cm or when the horizontal convergence value is greater than or equal to 5cm, the automatic monitoring apparatus that generates the monitoring information may be pre-alerted by the BIM model to alert the abnormal situation of the vertical sedimentation or horizontal convergence of the monitored object of the automatic monitoring apparatus.
In some embodiments, the automatic monitoring device is configured to monitor settlement and convergence of the high side wall at a determined time and a determined range, and the monitoring information includes a vertical settlement value and a horizontal convergence value of the high side wall at the determined time and the determined range.
In this embodiment, determining the time and the determining the sedimentation and the convergence of the high side wall means that the sedimentation and the convergence of the segment Gao Bianqiang in the time period are determined by monitoring the vertical sedimentation value and the horizontal convergence value of the high side wall in the information within a determined monitoring range, such as a distance of 3 meters, and within a determined monitoring time, such as 10 minutes, for each automatic monitoring device. So as to quickly reflect the dynamic and trend of the high side wall when vertical settlement and horizontal convergence occur, thereby timely estimating and early warning the danger.
The second aspect of the embodiments of the present application provides a device for dynamically adjusting excavation construction of a high side wall of a subway station, including:
the information acquisition module 11 is configured to acquire monitoring information and supporting information of the high-side wall excavation construction, where the monitoring information is acquired in real time by an automatic monitoring device disposed on the high-side wall, and the supporting information is included in a construction scheme of the high-side wall excavation construction;
a model generating module 12, configured to generate a BIM model based on the monitoring information, the support information, and the construction scheme information of the high-side wall excavation construction, where the BIM model is integrated with a BIM component expansion library for the high-side wall construction, a parameterized construction structural member, and an automatic monitoring device family library for real-time monitoring of the high-side wall construction;
a model conversion module 13, configured to convert the BIM model into a finite element calculation file;
the inverse analysis module 14 is configured to perform inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information, and generate an inverse analysis result of the surrounding rock parameters;
and the dynamic adjustment module 15 is used for dynamically adjusting the construction scheme based on the BIM model according to the inverse analysis result.
In some embodiments, the information obtaining module 11 is further configured to obtain monitoring information and supporting information of the high side wall excavation construction again; the model generation module 12 is further configured to update the BIM model based on the new monitoring information, the new support information, and the adjusted construction plan; the model conversion module 13 is further configured to convert the updated BIM model into a new finite element calculation file; the inverse analysis module 14 is further configured to perform inverse analysis on new surrounding rock parameters in the high-side wall excavation construction process based on the new finite element calculation file and the monitoring information, so as to generate an inverse analysis result of the new surrounding rock parameters; the dynamic adjustment module 15 is further configured to dynamically adjust the adjusted construction scheme again based on the new inverse analysis result.
A third aspect of embodiments of the present application provides an electronic device, including a memory and a processor; the memory is used for storing a computer program; the processor is configured to implement the method according to any of the first aspects above when executing the computer program.
It is to be understood that the above-described embodiments of the present application are merely illustrative of or explanation of the principles of the present application and are in no way limiting of the present application. Accordingly, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present application are intended to be included within the scope of the present application. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (9)
1. The method for dynamically adjusting the excavation construction of the high side wall of the subway station is characterized by comprising the following steps of:
acquiring monitoring information and supporting information of the high side wall excavation construction, wherein the monitoring information is acquired in real time by an automatic monitoring device arranged on the high side wall, and the supporting information is included in a construction scheme of the high side wall excavation construction;
generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high side wall excavation construction, wherein the BIM model is integrated with a BIM component expansion library for the high side wall construction, a parameterized construction structural member and an automatic monitoring device family library for monitoring the high side wall construction in real time;
converting the BIM model into a finite element calculation file;
performing inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information to generate an inverse analysis result of the surrounding rock parameters;
dynamically adjusting the construction scheme based on the BIM according to the inverse analysis result;
the construction scheme comprises an excavation scheme and a reinforcement scheme, wherein the excavation scheme comprises the size and the footage of rock mass excavation, the reinforcement scheme comprises anchor rod reinforcement of rock masses at two sides, anchor rope reinforcement of the rock masses at two sides and support of the rock masses at two sides, and the support information is state and/or parameter information of the rock masses at two sides and reinforcement equipment in the reinforcement scheme;
the monitoring information comprises: and the information of vertical sedimentation and horizontal convergence of the high side wall.
2. The method according to claim 1, wherein the method further comprises:
acquiring monitoring information and supporting information of the high side wall excavation construction again;
updating the BIM model based on the new monitoring information, the new supporting information and the adjusted construction scheme;
converting the updated BIM model into a new finite element calculation file;
performing inverse analysis on the new surrounding rock parameters in the high-side wall excavation construction process based on the new finite element calculation file and the monitoring information to generate an inverse analysis result of the new surrounding rock parameters;
dynamically adjusting the adjusted construction scheme again based on the new inverse analysis result;
and repeating the process of obtaining the monitoring information and the supporting information of the high side wall excavation construction again until the high side wall construction is finished, wherein the process is used for dynamically adjusting the adjusted construction scheme again based on a new inverse analysis result.
3. The method of claim 2, wherein after generating a BIM model based on the monitoring information, the support information, and the construction plan information of the high-side wall excavation construction, before converting the BIM model into a finite element calculation file, further comprising:
storing the acquired monitoring information and the acquired supporting information in a database;
and enabling the real-time data and the time course change curve in the monitoring information and the supporting information to be visually inquired and displayed through the BIM model.
4. A method according to claim 3, wherein storing the acquired monitoring information and support information in a database comprises:
ID numbering is carried out on an automatic monitoring device for acquiring the monitoring information;
and marking the database file stored in the database by using the ID number, so that the database file has a corresponding relation with the automatic monitoring device for acquiring the monitoring information.
5. The method according to claim 4, wherein the method further comprises:
and when the monitoring data with the threshold range set in the monitoring information exceeds a set threshold, performing pre-alarming on the automatic monitoring device generating the monitoring information through the BIM model so as to remind the abnormal condition of the monitoring object of the automatic monitoring device.
6. The method of any one of claims 1-5, wherein the automatic monitoring device is configured to monitor settling and convergence of the high side wall at a determined time and a determined range, and the monitoring information includes a vertical settling value and a horizontal convergence value of the high side wall at the determined time and the determined range.
7. The utility model provides a subway station high side wall excavation construction dynamic adjustment's device which characterized in that includes:
the information acquisition module is used for acquiring monitoring information and supporting information of the high-side wall excavation construction, the monitoring information is acquired in real time by an automatic monitoring device arranged on the high-side wall, and the supporting information is included in a construction scheme of the high-side wall excavation construction;
the model generation module is used for generating a BIM model based on the monitoring information, the supporting information and the construction scheme information of the high-side wall excavation construction, and the BIM model is integrated with a BIM component expansion library for the high-side wall construction, a parameterized construction structural member and an automatic monitoring device family library for monitoring the high-side wall construction in real time;
the model conversion module is used for converting the BIM model into a finite element calculation file;
the inverse analysis module is used for carrying out inverse analysis on surrounding rock parameters in the high-side wall excavation construction process based on the finite element calculation file and the monitoring information, and generating an inverse analysis result of the surrounding rock parameters;
the dynamic adjustment module is used for dynamically adjusting the construction scheme based on the BIM according to the inverse analysis result;
the construction scheme comprises an excavation scheme and a reinforcement scheme, wherein the excavation scheme comprises the size and the footage of rock mass excavation, the reinforcement scheme comprises anchor rod reinforcement of rock masses at two sides, anchor rope reinforcement of the rock masses at two sides and support of the rock masses at two sides, and the support information is state and/or parameter information of the rock masses at two sides and reinforcement equipment in the reinforcement scheme;
the monitoring information comprises: and the information of vertical sedimentation and horizontal convergence of the high side wall.
8. The device of claim 7, wherein the information acquisition module is further configured to acquire monitoring information and support information of the high-side wall excavation construction again; the model generation module is further used for updating the BIM model based on the new monitoring information, the new supporting information and the adjusted construction scheme; the model conversion module is also used for converting the updated BIM model into a new finite element calculation file; the inverse analysis module is further used for carrying out inverse analysis on the new surrounding rock parameters in the high-side wall excavation construction process based on the new finite element calculation file and the monitoring information, and generating an inverse analysis result of the new surrounding rock parameters; the dynamic adjustment module is also used for dynamically adjusting the adjusted construction scheme again based on the new inverse analysis result.
9. An electronic device comprising a memory and a processor; the memory is used for storing a computer program; the processor being adapted to implement the method of any of claims 1-6 when executing the computer program.
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