CN113591187B - Road and bridge design method and system based on BIM live-action model - Google Patents
Road and bridge design method and system based on BIM live-action model Download PDFInfo
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Abstract
The invention discloses a road and bridge design method and a system thereof based on a BIM live-action model, which acquire construction environment information and construction quality control point data of a bridge which is constructed so as to establish a constructed bridge information base; acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed; based on the constructed bridge information base, influence factor reference information matched with preset bridge information or construction environment information in the constructed bridge information base is obtained through calculation respectively; and generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information. And calculating the matching degree between the constructed bridge information base and the bridge information to be constructed, selecting the highest matching degree, then obtaining corresponding influence factor reference information, and checking the missing part of the design scheme, so that the construction scheme is more complete, and the construction quality is improved.
Description
Technical Field
The application relates to the field of road and bridge construction, in particular to a road and bridge design method and system based on a BIM live-action model.
Background
The bridge engineering is used as road and bridge engineering project, and is characterized by long points and multiple lines, complex construction procedures and great field management difficulty, but is extremely important.
Therefore, the inventor considers that the bridge construction has the following problems in the prior art, because the procedures are more in connection, the intermediate products are more, the concealing engineering is more, and the bridge construction quality is affected by only depending on the design of the earlier engineer, the place where the defects are considered is unavoidable.
Disclosure of Invention
In order to improve the quality of bridge construction, the application provides a road and bridge design method and system based on a BIM live-action model.
In a first aspect, the present application provides a road and bridge design method based on a BIM live-action model, which adopts the following technical scheme:
a road and bridge design method based on a BIM live-action model comprises the following steps:
acquiring construction environment information and construction quality control point data of a bridge which is constructed completely so as to establish a constructed bridge information base;
acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed;
based on the constructed bridge information base, influence factor reference information matched with the preset bridge information or the construction environment information in the constructed bridge information base is obtained through calculation respectively;
and generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information.
By adopting the above technical scheme, the information related to the bridge after construction is obtained as reference information, and the information of the bridge after construction such as temperature, local climate, topography and the like during bridge construction is used as the information of the bridge, and the construction quality control point data refers to, for example: how to prevent bored piles from deflection, how shrinkage holes occur in the process of drilling, and the like, and related information of construction process notes are formed, the obtained information is collected to form an information base, then construction information related to a bridge to be constructed is obtained from a design scheme to be constructed, the information comprises a design drawing of the bridge, a geographic environment and a climate environment of a bridge construction site, construction materials and the like, then the matching degree between the information base of the constructed bridge and the information of the bridge to be constructed is calculated through a preset calculation formula, the highest matching degree is selected, then corresponding influence factor reference information is obtained, namely the construction quality notes needing to be paid attention when the bridge is constructed from the constructed bridge, the obtained information is compared with the information when the original design scheme is used for checking the missing part of the design scheme, so that the construction scheme is more complete, the construction quality is improved, unnecessary troubles in the follow-up construction are reduced, and then an actual model of the preset construction bridge is built by adopting the information after the follow-up construction.
Optionally, the matching degree between the information in the constructed bridge information base and the preset bridge information or the construction environment information is calculated respectively according to the following formula:
wherein,representing similarity, x represents preset bridge information in a constructed design scheme or parameters corresponding to the construction environment information, y represents preset bridge information in a non-constructed design scheme or parameters corresponding to the construction environment information, and a represents weight.
By adopting the technical scheme, the matching degree of the information related to the constructed bridge and the bridge to be constructed is calculated by adopting the formula, after the matching degree is calculated by the formula, the bridge to be constructed is designed by selecting the matched influence factor reference information, the place where the original design scheme is considered can be complemented, and finally the quality of the bridge constructed according to the designed information is greatly improved.
Optionally, parameters corresponding to the construction environment information in the influence factor reference information include air temperature information, topography information and climate information;
and calculating the matching degree of the information in the constructed bridge information base, the preset bridge information and the construction environment information according to the air temperature information, the topographic information and the climate information.
By adopting the technical scheme, the matching degree between the set of data in the constructed bridge and the air temperature information, the topographic information and the climatic information (which can be inquired from the internet or obtained in the field) in the bridge to be constructed is calculated by taking the air temperature information, the topographic information and the climatic information as a set of reference considered data, and the data with the highest matching degree is selected as the reference so as to obtain construction notes of the air temperature information, the topographic information and the climatic information at the same time, such as the selection of concrete level, the notes during concrete curing and the like.
Optionally, the matching degree between the information in the constructed bridge information base and the preset bridge information and the construction environment information is calculated by the following modes:
dividing training set data divided from a construction quality control point database into a sub-training set and a sub-testing set by a cross validation method and training to obtain a training model;
verifying the trained training model by using the data in the test set;
and calculating the preset bridge information or the construction environment information through a training model to obtain the preset bridge information or the construction environment information matching degree.
By adopting the technical scheme, the acquired data are divided into the two parts of data of the training set and the testing set, the data of the training set are trained, and the errors of the trained data are calculated by the testing set, so that accurate influence factor reference information is obtained, and the integrity and construction quality of the bridge design scheme are improved.
Optionally, the step of dividing the data in the construction quality control point database into a training set and a testing set by a cross-validation method, and training the data in the training set to obtain a training model includes:
and performing dimension reduction on the training set by adopting a PCA algorithm to obtain a new training set.
By adopting the technical scheme, the sampling density of the sample can be increased (because the dimension is reduced) by discarding a part of information, which is an important means for relieving dimension disasters; when the obtained preset bridge information or the construction environment information is affected by noise, the feature vector corresponding to the minimum feature value is often related to the noise, and the noise can be reduced to a certain extent by discarding the feature vector; the characteristics are independent: PCA not only compresses data to a low dimension, but also enables each feature of the data after dimension reduction to be independent of each other, so that when the matching degree is calculated through the formula, the speed in calculation and the accuracy of a result can be improved.
In a second aspect, the present application provides a road and bridge design system based on a BIM live-action model, which adopts the following technical scheme:
a road and bridge design system based on a BIM live-action model, the system comprising:
the constructed bridge information base building module is used for obtaining construction environment information and construction quality control point data of the bridge which is constructed so as to build a constructed bridge information base;
the information acquisition module is used for acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed;
the matched influence factor reference information acquisition module is used for respectively calculating and acquiring influence factor reference information matched with the preset bridge information or the construction environment information in the constructed bridge information base based on the constructed bridge information base;
and the bridge live-action model construction module is used for generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information.
By adopting the above technical scheme, the information related to the bridge after construction is obtained as reference information, and the information of the bridge after construction such as temperature, local climate, topography and the like during bridge construction is used as the information of the bridge, and the construction quality control point data refers to, for example: how to prevent and treat bored piles from deflecting, how shrinkage holes occur in the drilling process, and the like, and information related to construction process notes are collected to form an information base, then construction information related to a bridge to be constructed is obtained from a design scheme to be constructed, the information comprises a design drawing of the bridge, a geographic environment and a climate environment of a bridge construction site, construction materials and the like, then the matching degree between the information base of the constructed bridge and the information of the bridge to be constructed is calculated through a preset calculation formula, the highest matching degree is selected, then corresponding influence factor reference information is obtained, namely the construction quality notes needing to be noted when the bridge is constructed are obtained from the constructed bridge, the obtained information is compared with the information when the original design scheme is used for checking the missing part of the design scheme, the construction scheme is more complete, unnecessary troubles in the follow-up construction process are reduced, and then an actual model of the preset construction bridge is built by the information after the completion.
Optionally, in the matching influence factor reference information obtaining module, the influence factor reference information is calculated by the following modules:
the matching degree calculation submodule is used for calculating parameters corresponding to the construction environment information in the influence factor reference information, wherein the parameters comprise air temperature information, topographic information and climate information; and calculating the matching degree of the information in the constructed bridge information base, the preset bridge information and the construction environment information according to the air temperature information, the topographic information and the climate information.
By adopting the technical scheme, the matching degree between the set of data in the constructed bridge and the air temperature information, the topographic information and the climatic information (which can be inquired from the internet or obtained in the field) in the bridge to be constructed is calculated by taking the air temperature information, the topographic information and the climatic information as a set of reference considered data, and the data with the highest matching degree is selected as the reference so as to obtain construction notes of the air temperature information, the topographic information and the climatic information at the same time, such as the selection of concrete level, the notes during concrete curing and the like.
Optionally, in the matching influence factor reference information obtaining module, the influence factor reference information is calculated by the following modules:
the data training module divides training set data divided from the construction quality control point database into a sub-training set and a sub-testing set through a cross validation method and trains the sub-training set and the sub-testing set to obtain a training model; verifying the trained training model by using the data in the test set; and calculating the preset bridge information or the construction environment information through a training model to obtain the preset bridge information or the construction environment information matching degree.
By adopting the technical scheme, the acquired data are divided into two parts of data of the training set and the testing set, the data of the training set are trained, and the errors of the trained data are calculated by the testing set, so that accurate data are obtained, and the accuracy of data matching is improved.
In a third aspect, the present application provides a computer device, including a memory, a processor and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the road and bridge design method based on the BIM live-action model according to any one of the second aspects.
In a fourth aspect, the present application provides a computer readable storage medium storing a computer program capable of being loaded by a processor and executing the second aspect described above.
In summary, the present application has the following beneficial effects:
1. acquiring construction information related to a bridge to be constructed from a design scheme to be constructed, calculating the matching degree between the information base of the constructed bridge and the information of the bridge to be constructed through a preset calculation formula, selecting the highest matching degree, acquiring corresponding influence factor reference information, namely acquiring construction quality notes required to be paid attention when the bridge is constructed from the constructed bridge, comparing the acquired information with information in the original design scheme to check the missing part of the design scheme, enabling the construction scheme to be more complete, reducing unnecessary trouble in the follow-up construction, and constructing an actual model of the preset construction bridge by adopting the information after the completion;
2. the matching degree between the set of data in the constructed bridge and the air temperature information, the topographic information and the climatic information in the bridge to be constructed is calculated by taking the air temperature information, the topographic information and the climatic information as a set of reference considered data, and the data with the highest matching degree is selected as the reference to obtain construction notes of the air temperature information, the topographic information and the climatic information at the same time, such as the selection of concrete level, the notes during concrete maintenance and the like.
Drawings
FIG. 1 is a flow chart of a road and bridge design method based on BIM realistic model in an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of a road and bridge design system based on BIM realistic model according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a computer device in an embodiment of the present application.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a road and bridge design method based on a BIM live-action model, which is shown in fig. 1 and comprises the following steps:
s100: and acquiring construction environment information and construction quality control point data of the bridge after construction so as to establish a constructed bridge information base.
In this embodiment, the construction environment information refers to external factors that affect various aspects of construction quality, such as a geographical environment and a climate environment of a bridge construction site; the construction quality control point data refer to construction technology, bridge linear control, stress control, stability control, personal safety of operators, construction material consumption and the like.
Specifically, construction environment information and construction quality control point data of the completed construction bridge are acquired from the internet or from a construction design document or from other routes, and the acquired data are stored in a constructed bridge information base for recall.
S200: and acquiring preset bridge construction information and construction environment information of bridge construction sites from the design scheme to be constructed.
In this embodiment, the design scheme to be constructed refers to information about the bridge obtained from the hands of the engineer; the construction environment information refers to relevant factors affecting the construction quality.
Specifically, the acquired information is input into the system in a classification mode, the classification mode can be divided according to actual requirements (such as related to construction safety, influence on material selection, piling and the like), and then the classified data is input into the system for storage.
S300: and respectively calculating and obtaining influence factor reference information matched with preset bridge information or construction environment information in the constructed bridge information base based on the constructed bridge information base.
In this embodiment, the influence factor reference information refers to related parameters that have an influence on the construction quality, the construction safety, and the like; the preset calculation formula refers to
Wherein,representing similarity, x represents a parameter in the constructed design, y represents a parameter in the non-constructed design, and a represents a weight.
Specifically, the data in the constructed bridge information base is classified according to the method of classifying the information of the bridge to be constructed in the previous steps, for example, the construction materials are affected, such as the environmental humidity, the environmental temperature, the preset bearing capacity and the like, the piling is affected, such as the terrain, the preset bridge length and the like, and the concrete division can be performed according to the actual construction requirements. And then calculating the matching degree of the two data according to a preset calculation formula according to considered factors (for example, the reference information about the bridge construction material is needed to be known).
For example, when considering information about construction materials such as concrete, steel bars, construction points in a concrete pouring process, and the like, reference data is obtained in the following manner: the place where the bridge A is constructed belongs to: subtropical monsoon climate, temperature at construction in the range of 20-28 ℃ (calculated in this example by integers, including 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃ etc.), average relative humidity of 79%, where the constructed bridge B belongs to: subtropical monsoon climates are constructed with an average relative humidity of 74% at temperatures in the range of 16 ℃ to 20 ℃ (calculated in integers of this example including 16 ℃, 17 ℃, 18 ℃, 19 ℃, 20 ℃, etc.). The external environment information of the bridge to be constructed belongs to: subtropical monsoon climate, at a temperature in the range of 25-30 ℃ and an average relative humidity of 78%, all single word combinations (de-duplication) were first listed when calculated, "the average relative humidity at the time of subtropical monsoon climate construction was 7% 9 8 over 25 ℃ (illustrated here as 25 ℃) (bridge A, B constructed was also listed in the above manner and not listed here one by one), word frequency was calculated and a word frequency vector was written (i.e. the number of occurrences of each word per set of data), construction aThe character frequency vector is (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0), the character frequency vector of the bridge to be constructed is (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0, 1), the climate weight is 50%, the temperature weight is 30%, the humidity is 20% (the weight of each parameter can be defined according to the actual construction condition), and then the formula is carried into, the matching degree of the bridge A to be constructed and the bridge to be constructed=About 0.029, the matching degree of the constructed bridge B and the bridge to be constructed is calculated by adopting the method, and the bridge to be constructed can be obtained by taking the constructed bridge as a reference. After the reference bridge is selected, construction material information related to the bridge (the data is obtained in advance from the internet or other available information channels and stored in the system for recall), such as concrete grade, rebar selection model, and the like, can be obtained. The bridge information refers to related parameters of bridge design, such as bridge length, bridge arch degree, etc., and the matching degree calculation mode of the bridge information is consistent with the calculation construction environment information, which is not described herein again.
In other embodiments, the similarity between the constructed bridge and the bridge to be constructed may be calculated by selecting the influencing factors by itself, for example, selecting the climate, the ambient humidity, the temperature difference as the reference calculation, or selecting the geographical environment (the river, the mountain, etc. of the path) through which the bridge passes, the ambient humidity, the temperature difference, etc. as the reference calculation.
When the related design in the aspect of piling is considered, the influence factors such as rainfall, the topography of a bridge building place, climate and the like can be used as influence factor reference information, and the actual demand is specifically considered to be formulated.
In another embodiment, the matching degree can be calculated by further dividing the training set data divided from the construction quality control point database into a sub-training set and a sub-testing set by a cross-validation method and training the sub-training set and the sub-testing set to obtain a training model in an embodiment after the step S100; verifying the trained training model by using the data in the test set; and calculating preset bridge information or construction environment information through a training model to obtain the matching degree of the preset bridge information or the construction environment information.
In this embodiment, the training model is a data model obtained by training data in the constructed bridge information base through an algorithm (in this embodiment, training the data by using the FT-TM algorithm).
Specifically, dividing the whole training set S into k disjoint subsets, and assuming that the number of training samples in S is m, each subset has m/k training samples, and the corresponding subset is called { S1, S2, …, sk }; taking out one from the divided subsets as a test set and the other k-1 as training sets each time; training a model by adopting an FT-TM algorithm; placing the model on a test set to obtain the classification accuracy; and calculating an average value of the classification accuracy obtained for k times as the true classification rate of the model, then evaluating the generalization capability of the trained model by using a training set to determine the accuracy of the trained model, and inputting the obtained data into the training model after obtaining the training model to obtain the matching degree related to the preset bridge information or the construction environment information.
Further, in an embodiment, the training set is reduced in dimension using PCA (Principal Component Analysis) algorithm to obtain a new training set.
In this embodiment, the dimension reduction means reducing the high-dimension data to a low dimension.
Specifically, assuming that m pieces of n-dimensional data exist, forming original data into an n-row m-column matrix X according to columns; zero-equalizing each row of X, namely subtracting the average value of the row; solving covariance matrix(covariance matrix corresponding to original data matrix X is C); obtaining eigenvalues and corresponding eigenvectors of the covariance matrix; the feature vector is pressed to be corresponding toThe magnitude of the sign values are arranged into a matrix from top to bottom according to rows, and the first k rows are taken to form a matrix P; y=px is the data after the dimension is reduced to k dimension. After the dimension reduction, the sampling density of the sample can be increased, and the influence of noise received by the data can be reduced.
S400: and generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information.
In this embodiment, the preset bridge design information refers to a construction scheme including a construction design drawing of the bridge.
Specifically, after each influencing factor is obtained through the steps, the modified bridge construction design parameters are input into three-dimensional modeling software, and a three-dimensional model of the bridge is built.
The embodiment also provides a road and bridge design system based on a BIM live-action model, referring to fig. 2, the system comprises: the system comprises a constructed bridge information base building module, an information acquisition module, a matched influence factor reference information acquisition module and a bridge live-action model building module.
The constructed bridge information base building module is used for obtaining construction environment information and construction quality control point data of the bridge which is constructed so as to build a constructed bridge information base;
the information acquisition module is used for acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed;
the matched influence factor reference information acquisition module is used for respectively calculating and acquiring influence factor reference information matched with preset bridge information or construction environment information in the constructed bridge information base based on the constructed bridge information base;
and the bridge live-action model construction module is used for generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information.
Further, the system further comprises: the matching degree calculation module is used for calculating the matching degree between the information in the constructed bridge information base and preset bridge information or construction environment information through the following formulas:
wherein,representing similarity, x represents a parameter corresponding to preset bridge information or construction environment information in the constructed design scheme, y represents a parameter corresponding to preset bridge information or construction environment information in the non-constructed design scheme, and a represents weight.
Further, in the matched influence factor reference information acquisition module of the system, the influence factor reference information is calculated by the following modules:
the matching degree calculation submodule is used for calculating parameters corresponding to construction environment information in the influence factor reference information, wherein the parameters comprise air temperature information, topographic information and climate information; and calculating the matching degree of the information in the constructed bridge information base, the preset bridge information and the construction environment information according to the air temperature information, the topographic information and the climate information.
Further, the system further comprises: in the matched influence factor reference information acquisition module, the influence factor reference information is calculated by the following modules:
the data training module divides training set data divided from the construction quality control point database into a sub-training set and a sub-testing set through a cross validation method and trains the sub-training set and the sub-testing set to obtain a training model; verifying the trained training model by using the data in the test set; and calculating preset bridge information or construction environment information through a training model to obtain the matching degree of the preset bridge information or the construction environment information.
Further, the system further comprises: and the data dimension reduction module is used for reducing dimension of the training set by adopting a PCA algorithm so as to obtain a new training set.
The embodiment of the application also discloses a computer device, referring to fig. 3, which may be a server. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used to store historical suspicious behavior data. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to realize a bridge deck crack supervision method based on binocular vision, and the method comprises the following steps:
s100: acquiring construction environment information and construction quality control point data of a bridge which is constructed completely so as to establish a constructed bridge information base;
s200: acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed;
s300: based on the constructed bridge information base, influence factor reference information matched with preset bridge information or construction environment information in the constructed bridge information base is obtained through calculation respectively;
s400: and generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information.
The embodiment of the application also discloses a computer readable storage medium. In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
s100: acquiring construction environment information and construction quality control point data of a bridge which is constructed completely so as to establish a constructed bridge information base;
s200: acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed;
s300: based on the constructed bridge information base, influence factor reference information matched with preset bridge information or construction environment information in the constructed bridge information base is obtained through calculation respectively;
s400: and generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.
Claims (8)
1. A road and bridge design method based on a BIM live-action model is characterized by comprising the following steps of: the method comprises the following steps:
acquiring construction environment information and construction quality control point data of a bridge which is constructed completely so as to establish a constructed bridge information base; acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed;
based on the constructed bridge information base, influence factor reference information matched with the preset bridge construction information or the construction environment information of the bridge construction site in the constructed bridge information base is obtained through calculation respectively;
generating a bridge live-action model according to the influence factor reference information obtained by calculation and by combining preset bridge design information;
parameters corresponding to the construction environment information in the influence factor reference information comprise air temperature information, terrain information and climate information;
calculating the matching degree of the information in the constructed bridge information base, the preset bridge construction information and the construction environment information of the bridge construction site according to the air temperature information, the topographic information and the climate information;
the matching degree of the information in the constructed bridge information base and the preset bridge construction information and the construction environment information of the bridge construction site is calculated respectively by the following modes:
dividing training set data divided from a construction quality control point database into a sub-training set and a sub-testing set by a cross validation method and training to obtain a training model;
verifying the trained training model by using the data in the test set;
and calculating the preset bridge construction information or the construction environment information of the bridge construction site through a training model to obtain the preset bridge construction information or the construction environment information matching degree of the bridge construction site.
2. The road and bridge design method based on the BIM live-action model according to claim 1, wherein: calculating the matching degree of the information in the constructed bridge information base and the preset bridge construction information or the construction environment information of the bridge construction site respectively through the following formula:
wherein cos theta represents similarity, x represents parameters corresponding to construction environment information of the bridge which has completed construction in the constructed design scheme, y represents preset bridge construction information in the non-constructed design scheme or parameters corresponding to construction environment information of the bridge construction site, and a represents weight.
3. The road and bridge design method based on the BIM live-action model according to claim 1, wherein: the step of dividing the data in the construction quality control point database into a training set and a testing set by a cross validation method and training the data in the training set to obtain a training model comprises the following steps:
and performing dimension reduction on the training set by adopting a PCA algorithm to obtain a new training set.
4. A system for implementing the road and bridge design method based on a BIM live-action model as claimed in any one of claims 1 to 3, characterized in that: the system comprises:
the constructed bridge information base building module is used for obtaining construction environment information and construction quality control point data of the bridge which is constructed so as to build a constructed bridge information base;
the information acquisition module is used for acquiring preset bridge construction information and construction environment information of a bridge construction site from a design scheme to be constructed;
the matched influence factor reference information acquisition module is used for respectively calculating and acquiring influence factor reference information matched with the preset bridge construction information or the construction environment information of the bridge construction site in the constructed bridge information base based on the constructed bridge information base;
and the bridge live-action model construction module is used for generating a bridge live-action model according to the influence factor reference information obtained through calculation and the preset bridge design information.
5. The road and bridge design system based on a BIM live-action model of claim 4, wherein: in the matched influence factor reference information acquisition module, the influence factor reference information is calculated by the following modules:
the matching degree calculation submodule is used for calculating parameters corresponding to the construction environment information in the influence factor reference information, wherein the parameters comprise air temperature information, topographic information and climate information; and calculating the matching degree of the information in the constructed bridge information base, the preset bridge construction information and the construction environment information of the bridge construction site according to the air temperature information, the topographic information and the climate information.
6. The road and bridge design system based on a BIM live-action model of claim 4, wherein: in the matched influence factor reference information acquisition module, the influence factor reference information is calculated by the following modules:
the data training module divides training set data divided from the construction quality control point database into a sub-training set and a sub-testing set through a cross validation method and trains the sub-training set and the sub-testing set to obtain a training model; verifying the trained training model by using the data in the test set; and calculating the preset bridge construction information or the construction environment information of the bridge construction site through a training model to obtain the preset bridge construction information or the construction environment information matching degree of the bridge construction site.
7. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized by: the steps of the road and bridge design method based on the BIM live-action model according to any one of claims 1-3 are realized when the processor executes the computer program.
8. A computer-readable storage medium, characterized in that a computer program is stored which can be loaded by a processor and which performs a road and bridge design method based on a BIM live-action model as claimed in any one of claims 1-3.
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