CN117077444B

CN117077444B - Breakwater engineering three-dimensional simulation teaching method and system based on BIM technology

Info

Publication number: CN117077444B
Application number: CN202311330923.9A
Authority: CN
Inventors: 李家华; 陈良志; 钱原铭; 梁庆; 万浩然; 吴乔; 杨彪; 朱峰; 陈家悦; 王浩; 黄黎明; 代晓炫; 苏莉源; 林滢
Original assignee: CCCC FHDI Engineering Co Ltd
Current assignee: CCCC FHDI Engineering Co Ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2023-12-15
Anticipated expiration: 2043-10-16
Also published as: CN117077444A

Abstract

The invention relates to a breakwater engineering three-dimensional simulation teaching method and system based on a BIM technology, which belong to the technical field of model education and training, an initial breakwater three-dimensional model is built based on the BIM technology, slope parameters are obtained, a breakwater three-dimensional model is obtained by mapping the slope parameters, area characteristic values of a bottom sand cushion are obtained by carrying out area extraction on the breakwater three-dimensional model, a plurality of breakwater paving process models are built based on the area characteristic values of the bottom sand cushion in an integrated manner, an allowable deviation interval set is obtained according to the breakwater paving process models, a breakwater engineering model is obtained according to the allowable deviation interval set, a construction flow text of a breakwater is calculated and generated according to the breakwater engineering model, and the breakwater engineering simulation teaching model is obtained based on the construction flow text of the breakwater.

Description

Breakwater engineering three-dimensional simulation teaching method and system based on BIM technology

Technical Field

The invention relates to the technical field of simulation education and training, in particular to a breakwater engineering three-dimensional simulation teaching method and system based on a BIM technology.

Background

Breakwater engineering is a complex ocean engineering, the construction of which involves a plurality of procedures and technical points, and the traditional teaching method is difficult to deeply teach actual construction operation and engineering principles. The breakwater engineering plays an important role in the fields of coastline protection, wave impact reduction, water area construction and the like. However, in conventional breakwater engineering learning, learners often face some challenges. First, the construction of the breakwater involves complicated processes and technical points, which are difficult for beginners to understand in depth. And secondly, the actual construction site is not easy to be experienced by a learner in the field, a knowledge test link is not arranged, and an intuitive learning effect is difficult to obtain. Therefore, there is a need to develop a new teaching system to provide a learning experience that is more interactive and practical.

With the continuous development of Building Information Model (BIM) technology, the BIM technology is increasingly widely applied to the field of engineering construction. BIM technology can present building and engineering projects in a digital mode, so that a more visual and interactive learning mode is realized. However, in the field of breakwater engineering, there is a lack of a comprehensive BIM teaching system capable of displaying construction methods, programs and related knowledge points to learners in a three-dimensional simulation form, helping them to better understand and apply knowledge of breakwater engineering.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides a breakwater engineering three-dimensional simulation teaching method and system based on a BIM technology.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the invention provides a breakwater engineering three-dimensional simulation teaching method based on BIM technology, which comprises the following steps:

acquiring the dimension parameters of a slope type breakwater, constructing an initial breakwater three-dimensional model based on a BIM technology, obtaining slope parameters, and obtaining the breakwater three-dimensional model by mapping the slope parameters;

the area characteristic value of the bottom sand cushion is obtained by carrying out area extraction on the breakwater three-dimensional model, and a plurality of breakwater paving process models are built based on the area characteristic value integration of the bottom sand cushion;

the method comprises the steps of obtaining specification parameters of various concrete artificial blocks, generating a prefabricating process according to a paving process model of the breakwater, obtaining an allowable deviation interval set by combining the specification parameters of the concrete artificial blocks and the prefabricating process, formulating a setting requirement table according to the allowable deviation interval set, and obtaining a breakwater engineering model;

calculating according to the breakwater engineering model to obtain an installation procedure model of the protective block and a casting model of the casting stone, and training and integrating the installation procedure model of the protective block and the casting model of the casting stone to obtain a construction flow text of the breakwater;

And mapping and editing the construction flow text of the breakwater to obtain actual construction video data, generating construction demonstration content based on the actual construction video data, and obtaining the breakwater engineering simulation teaching model.

Preferably, in a preferred embodiment of the present invention, the obtaining the dimensional parameter of the sloped breakwater, constructing an initial breakwater three-dimensional model based on the BIM technology and obtaining a slope parameter, and mapping the slope parameter to obtain the breakwater three-dimensional model specifically includes the following steps:

acquiring type information of a slope type breakwater, obtaining a plurality of size parameters according to the type information, and denoising the size parameters to obtain denoised size parameters;

performing combined calculation on the denoised dimensional parameters based on a BIM technology, constructing an initial breakwater three-dimensional model, acquiring various slope structures of the breakwater based on the type information, and analyzing and calculating the various slope structures through a virtual measuring tool to obtain a plurality of slope parameters;

acquiring preset performance parameters, introducing the preset performance parameters into the initialized breakwater three-dimensional model based on a momentum optimization algorithm for simulation training, obtaining gradient momentum through training, obtaining performance data by adding the gradient momentum to the preset performance parameters, and obtaining a breakwater performance model based on the performance data;

And importing a plurality of slope parameters into the breakwater performance model to perform one-by-one matching mapping, so as to obtain a plurality of breakwater three-dimensional models.

Preferably, in a preferred embodiment of the present invention, the area characteristic value of the bottom sand cushion is obtained by performing area extraction on the breakwater three-dimensional model, and a plurality of process models for paving breakwater are built based on the area characteristic value integration of the bottom sand cushion, specifically including the following steps:

obtaining a paving process of bottom sand cushions, calculating and extracting according to a plurality of breakwater three-dimensional models to obtain paving areas of a plurality of bottom sand cushions, and endowing area marks to the paving areas of each bottom sand cushion;

defining and generating white pixels in the region marks and black pixels outside the region marks based on a contour area algorithm, obtaining an area contour line by identifying and counting the number of the white pixels, and obtaining an area characteristic value of the bottom sand cushion layer based on an area defined by the area contour line;

importing the area characteristic value of the bottom sand cushion into the paving process to perform simulation estimation of paving planning, obtaining paving specified data of the bottom sand cushion, and establishing a paving model of the bottom sand cushion;

Obtaining a laying process of a geotextile cushion layer, calculating and extracting according to a plurality of breakwater three-dimensional models to obtain the laying areas of a plurality of geotextile cushion layers, calculating the laying areas of the geotextile cushion layers to obtain the area characteristic values of the geotextile cushion layers, introducing the area characteristic values of the geotextile cushion layers into the laying process of the geotextile cushion layers to carry out simulation estimation of laying planning, obtaining the laying requirement data of the geotextile cushion layers, and building a laying model of the geotextile cushion layers;

and setting the paving requirements of the cast stone based on the paving regulation data of the bottom sand cushion and the paving requirement data of the geotextile cushion, and sequencing and integrating the paving model of each bottom sand cushion and the paving model of each vertical geotextile cushion to obtain the paving process models of a plurality of breakwater.

Preferably, in a preferred embodiment of the present invention, the obtaining specification parameters of the plurality of concrete artificial blocks, generating a prefabrication process according to the paving process model of the breakwater, obtaining a set of allowable deviation intervals by combining the specification parameters of the concrete artificial blocks and the prefabrication process, making a setting requirement table according to the set of allowable deviation intervals, and obtaining a breakwater engineering model, specifically including the following steps:

Acquiring quality requirement information of the cast-in-place rock, and carrying out concrete base analysis according to a paving process model of the breakwater and the quality requirement information of the cast-in-place rock to obtain a facing block specification parameter adapted to each breakwater;

the method comprises the steps of obtaining different facing block specification parameters based on a big data network, applying the different facing block specification parameters to prefabrication methods in various breakwaters, establishing a prefabrication flow chart according to the prefabrication methods, and extracting prefabrication processes in the prefabrication flow chart;

obtaining specification parameters of various concrete artificial blocks, carrying out simulation prefabrication according to the specification parameters of the various concrete artificial blocks in combination with the prefabrication process, generating different concrete artificial block models, importing the different concrete artificial block models into a plurality of paving process models of breakwater for carrying out one-by-one cross simulation based on BIM technology, obtaining a plurality of breakwater matching models and extracting installation matching points;

comparing the installation matching point position with the initial model point position to obtain a deviation value, judging whether the deviation value is smaller than a preset deviation value, if so, the installation position is in an allowable deviation range, and integrating all the compared deviation values to obtain an allowable deviation interval set;

And setting a setting requirement table according to the allowable deviation interval set and the concrete artificial block model, integrating and embedding the setting requirement table and the prefabricated flow table into different concrete artificial block models to carry out simulation limitation, and obtaining a plurality of breakwater engineering models based on the breakwater matching model.

Preferably, in a preferred embodiment of the present invention, the calculating according to the breakwater engineering model is performed to obtain an installation process model of a protection block and a cast model of a cast stone, and the training integration is performed on the installation process model of the protection block and the cast model of the cast stone to obtain a construction flow text of the breakwater, which specifically includes the following steps:

extracting installation areas of the facing blocks from the breakwater engineering models, selecting a facing block model with specific specification parameters, embedding the facing block model into the installation areas for installation, and executing the setting requirement table to obtain an installation procedure model of the facing block;

presetting a casting and filling point of a casting and filling stone, measuring an ideal parabola of the casting and filling point of the preset casting and filling stone by means of a construction platform to obtain a first casting and filling path value, determining a casting and filling initial point and an actual casting and filling point based on an installation procedure model of the protective face block, and connecting the casting and filling initial point and the actual casting and filling point to obtain a second casting and filling path value;

Judging whether the first throwing and filling path value is larger than the second throwing and filling path value, if so, readjusting the positions of the initial throwing and filling point and the actual throwing and filling point until the first throwing and filling path value is equal to the second throwing and filling path value, and constructing a throwing model for throwing and filling stone based on the adjusted second throwing and filling path value;

and respectively training and integrating the installation procedure model of the facing block and the casting model of the casting stone based on a stacking algorithm, training to obtain a plurality of prediction results, constructing a meta-model by taking the prediction results as new features, reintroducing the plurality of prediction results into the meta-model for prediction, and finally obtaining the construction flow text of the breakwater.

Preferably, in a preferred embodiment of the present invention, the construction process text of the breakwater is clipped through mapping to obtain actual construction video data, and construction demonstration content is generated based on the actual construction video data, and a breakwater engineering simulation teaching model is obtained, which specifically includes the following steps:

importing the construction flow text of the breakwater into a plurality of breakwater engineering models based on a word bag model method to map one by one, converting text feature vectors, generating vector dimension values by the construction flow text of the breakwater, and obtaining construction flow mapping sets of the breakwater by feeding back weights of the vector dimension values in the text feature vectors;

Integrating and editing the construction flow mapping sets of the breakwater through video editing software to obtain actual construction video data;

performing association optimization on the breakwater engineering model based on Blender interaction software to obtain a multidimensional model of breakwater engineering;

and forming construction demonstration contents according to the actual construction video data and the engineering simulation step sequence in the multidimensional model of the breakwater engineering, and generating a breakwater engineering simulation teaching model according to the construction demonstration contents.

The invention provides a breakwater engineering three-dimensional simulation teaching system based on BIM technology, which is characterized by comprising a memory and a processor, wherein the memory stores a breakwater engineering three-dimensional simulation teaching method program based on BIM technology, and when the breakwater engineering three-dimensional simulation teaching method program based on BIM technology is executed by the processor, the following steps are realized:

The invention solves the technical defects existing in the background technology, and has the beneficial technical effects that:

an initial breakwater three-dimensional model is built based on a BIM technology, slope parameters are obtained, the breakwater three-dimensional model is obtained through mapping the slope parameters, area characteristic values of a bottom sand cushion are obtained through area extraction of the breakwater three-dimensional model, a plurality of breakwater paving process models are built based on the area characteristic values of the bottom sand cushion in an integrated mode, an allowable deviation interval set is obtained according to the breakwater paving process models, a breakwater engineering model is obtained according to the allowable deviation interval set, construction flow texts of the breakwater are calculated and generated according to the breakwater engineering model, and a breakwater engineering simulation teaching model is obtained based on the construction flow texts of the breakwater. According to the invention, through virtual simulation on the breakwater, students can actually operate components, the actual construction operation capability is enhanced, the students experience the construction process in the virtual construction scene in an in-person manner, the engineering principle and operation steps are easier to understand, and the learning flexibility is improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other embodiments of the drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a flow chart of a breakwater engineering three-dimensional simulation teaching method based on BIM technology;

FIG. 2 shows a flow chart of a method for deriving a three-dimensional model of a breakwater by means of ramp parameters;

FIG. 3 shows a method flow diagram of a model of a paving process for a breakwater obtained by a paving process for a bottom sand mat;

fig. 4 shows a system block diagram of a breakwater engineering three-dimensional simulation teaching system based on BIM technology.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

The invention provides a breakwater engineering three-dimensional simulation teaching method based on BIM technology, which is shown in figure 1 and comprises the following steps:

s102: acquiring the dimension parameters of a slope type breakwater, constructing an initial breakwater three-dimensional model based on a BIM technology, obtaining slope parameters, and obtaining the breakwater three-dimensional model by mapping the slope parameters;

s104: the area characteristic value of the bottom sand cushion is obtained by carrying out area extraction on the breakwater three-dimensional model, and a plurality of breakwater paving process models are built based on the area characteristic value integration of the bottom sand cushion;

s106: the method comprises the steps of obtaining specification parameters of various concrete artificial blocks, generating a prefabricating process according to a paving process model of the breakwater, obtaining an allowable deviation interval set by combining the specification parameters of the concrete artificial blocks and the prefabricating process, formulating a setting requirement table according to the allowable deviation interval set, and obtaining a breakwater engineering model;

S108: calculating according to the breakwater engineering model to obtain an installation procedure model of the protective block and a casting model of the casting stone, and training and integrating the installation procedure model of the protective block and the casting model of the casting stone to obtain a construction flow text of the breakwater;

s110: and mapping and editing the construction flow text of the breakwater to obtain actual construction video data, generating construction demonstration content based on the actual construction video data, and obtaining the breakwater engineering simulation teaching model.

The invention uses building blocks' type breakwater construction virtual simulation, the system uses BIM technology to carry out three-dimensional modeling on different types of breakwater engineering, the model is displayed to users in a real sense mode, the system decomposes the construction process of the breakwater engineering into a plurality of steps, students can actually operate components, the actual construction operation capability is enhanced, and the understanding of the engineering flow is deepened.

S202: acquiring type information of a slope type breakwater, obtaining a plurality of size parameters according to the type information, and denoising the size parameters to obtain denoised size parameters;

s204: performing combined calculation on the denoised dimensional parameters based on a BIM technology, constructing an initial breakwater three-dimensional model, acquiring various slope structures of the breakwater based on the type information, and analyzing and calculating the various slope structures through a virtual measuring tool to obtain a plurality of slope parameters;

s206: acquiring preset performance parameters, introducing the preset performance parameters into the initialized breakwater three-dimensional model based on a momentum optimization algorithm for simulation training, obtaining gradient momentum through training, obtaining performance data by adding the gradient momentum to the preset performance parameters, and obtaining a breakwater performance model based on the performance data;

s208: and importing a plurality of slope parameters into the breakwater performance model to perform one-by-one matching mapping, so as to obtain a plurality of breakwater three-dimensional models.

It should be noted that, because the construction of breakwater relates to multiple building field information, traditional breakwater teaching system does not have the addition of BIM technique to hold, is difficult to realize comprehensive multidimensional to the three-dimensional simulation of breakwater work progress and show, has reduced student to the knowledge acquisition rate and the interactivity of breakwater construction. The type information of the slope type breakwater comprises information such as size, proportion, materials, weight and the like, and because the breakwater has various shapes and angles, a unified initial breakwater three-dimensional model can be firstly constructed to serve as a construction distinguishing basis, the preset performance parameters comprise coastline characteristics, wave conditions, water depths and other simulation data, the initial breakwater three-dimensional model is subjected to performance training according to the preset performance parameters to obtain a performance model of the breakwater, and a plurality of slope parameters are mapped to the performance model of the breakwater to obtain different breakwater three-dimensional models which are different from the breakwater three-dimensional models with gradient, angles and other factors. The invention can construct different breakwater models based on BIM technology for construction demonstration, thereby improving the accurate understanding of students on engineering details, enhancing learning efficiency and having high reliability.

s302: obtaining a paving process of bottom sand cushions, calculating and extracting according to a plurality of breakwater three-dimensional models to obtain paving areas of a plurality of bottom sand cushions, and endowing area marks to the paving areas of each bottom sand cushion;

s304: defining and generating white pixels in the region marks and black pixels outside the region marks based on a contour area algorithm, obtaining an area contour line by identifying and counting the number of the white pixels, and obtaining an area characteristic value of the bottom sand cushion layer based on an area defined by the area contour line;

s306: importing the area characteristic value of the bottom sand cushion into the paving process to perform simulation estimation of paving planning, obtaining paving specified data of the bottom sand cushion, and establishing a paving model of the bottom sand cushion;

s308: obtaining a laying process of a geotextile cushion layer, calculating and extracting according to a plurality of breakwater three-dimensional models to obtain the laying areas of a plurality of geotextile cushion layers, calculating the laying areas of the geotextile cushion layers to obtain the area characteristic values of the geotextile cushion layers, introducing the area characteristic values of the geotextile cushion layers into the laying process of the geotextile cushion layers to carry out simulation estimation of laying planning, obtaining the laying requirement data of the geotextile cushion layers, and building a laying model of the geotextile cushion layers;

S310: and setting the paving requirements of the cast stone based on the paving regulation data of the bottom sand cushion and the paving requirement data of the geotextile cushion, and sequencing and integrating the paving model of each bottom sand cushion and the paving model of each vertical geotextile cushion to obtain the paving process models of a plurality of breakwater.

It should be noted that, the laying of the bottom sand cushion and the geotextile cushion plays a key role in the construction of the breakwater, such as dispersing water flow and absorbing energy, preventing erosion and deposition and providing drainage effect, so that a corresponding laying model of the bottom sand cushion and the geotextile cushion is required to be established in the teaching model of the breakwater for students to learn. Firstly, an existing bottom sand cushion paving process is obtained, paving areas of a plurality of bottom sand cushions are obtained through calculation and extraction of a breakwater three-dimensional model, the paving areas are marked differently based on a contour area algorithm, white pixels are marked in the areas, black pixels are marked outside the areas, an area contour line is obtained through identification and statistics of the number of the white pixels, an area characteristic value of the bottom sand cushion is obtained based on the area surrounded by calculation of the area contour line, the paving model of the bottom sand cushion is constructed by combining the paving process of the bottom sand cushion with the area characteristic value, excessive redundant description is not made on the same principle as the model construction method of the geotextile cushion, and finally, the paving process models of a plurality of breakwater can be obtained through integration of the two models. The invention can construct the laying process model of the bottom sand cushion and the geotextile cushion, and is combined with different breakwater three-dimensional models for adapting presentation, so that students can learn more clearly and know the laying process and the construction process of the bottom sand cushion and the geotextile cushion in an omnibearing manner.

It should be noted that, the concrete artificial block and the facing block play important roles in breakwater engineering such as being lower than wave impact, dispersing wave energy and protecting slope surface, if the laying model of the concrete artificial block and the facing block cannot be constructed in the teaching system, the deep learning and understanding of the laying construction of the concrete artificial block and the facing block by students are not facilitated. Firstly analyzing a concrete substrate of a breakwater paving process model to obtain specification parameters of a pavement block capable of being paved, then further obtaining a prefabrication process according to the specification parameters of the pavement block, manufacturing different concrete artificial block models and pavement block models based on the prefabrication process, wherein the different concrete artificial block models comprise block types such as a torsion block, a four-foot hollow block and a fence plate, and the like, obtaining deviation values by extracting installation matching points, comparing the installation matching points with initial model points, integrating all the deviation values after comparison to obtain a permissible deviation interval set, and finally obtaining a plurality of breakwater engineering models according to a placement requirement table and the permissible deviation interval set. According to the invention, the artificial concrete block paving and the facing block paving are integrated into different artificial concrete block models to simulate and generate the final completed breakwater model, so that students can learn the completion state of the whole breakwater more intuitively in a teaching system, and can learn a certain construction step.

It should be noted that, the construction flow of breakwater is the core content that the student was learned, and clear installation construction flow demonstration of face guard block and the throwing of throwing the building stones are filled the flow demonstration and can play half the effort effect to the student and master knowledge point fast, often lack the function that the construction demonstration step of breakwater demonstrates and arbitrary step was looked over in the present breakwater emulation teaching system, have reduced the efficiency and the quality that the student learned the breakwater construction. The method comprises the steps that a face protection block model with specific specification parameters is a face protection block selected according to different breakwater engineering models, the face protection block model is installed to the breakwater engineering models based on placement requirements, installation areas of the face protection blocks are extracted to form an installation procedure model, an ideal parabola is an ideal casting and filling path of casting and filling stone, casting and filling errors of the casting and filling stone can be obtained through comparing the numerical value of the ideal casting and filling path with the numerical value of an actual simulated casting and filling path, accordingly, casting and filling construction procedures of the casting and filling stone are adjusted according to the errors to obtain casting models of the casting and filling stone, and a construction procedure text of the breakwater is obtained by integrating the installation procedure model of the face protection block and the casting models of the casting and filling stone based on a stacking algorithm. The invention can display the construction flow of the breakwater in detail and disassemble the steps, improves the learning efficiency of students on the construction of the breakwater, and consolidates the knowledge of the construction flow of the breakwater.

It should be noted that, each construction model of breakwater can all-round show the detailed step of construction, but only relies on model show to make the student to carry out the order concatenation and the information reading to the work flow step, lacks functions such as step order explanation and experience interaction, reduces student's study interest, consequently can add the video show function for emulation teaching model. And mapping the construction flow texts of the breakwater based on a word bag model method to obtain construction flow mapping sets of the breakwater, editing the construction flow mapping sets of the breakwater by using video editing software to obtain actual construction video data, constructing a multidimensional model of the breakwater engineering by using Blender interactive software, and finally generating a breakwater engineering simulation teaching model according to construction demonstration content. The invention can convert the construction flow model of the breakwater into video data and an interactive model and integrate the video data and the interactive model to finally obtain the breakwater engineering simulation teaching model, and the breakwater engineering simulation teaching model can provide omnibearing breakwater construction teaching experience for students through video demonstration and model interaction, provides vivid, visual and interactive learning experience, and further realizes the actual operation process to help learners to better understand and apply the knowledge of breakwater engineering.

In addition, the breakwater engineering three-dimensional simulation teaching method based on the BIM technology further comprises the following steps:

acquiring teaching data of a breakwater course, and performing construction simulation on a breakwater engineering simulation teaching model to obtain knowledge point data of a plurality of construction steps;

searching knowledge point data of a plurality of construction steps in the teaching data of the breakwater course based on a hash algorithm, calculating a plurality of hash values corresponding to the teaching data of the breakwater course by a hash function to form a hash table, uniformly positioning and mapping the knowledge point data of the construction steps according to the hash table, and integrating the knowledge point data to obtain a breakwater construction test question bank;

obtaining a scoring standard range according to the breakwater construction test question bank, and solving and submitting the breakwater construction test question bank by a user to generate a test score;

and judging whether the test score accords with the score standard range, if so, enabling the user to pass the answer test of breakwater construction, and if not, enabling the user to learn again and perform a secondary test.

It should be noted that, the conventional breakwater simulation teaching system can only show the model, the construction process and the steps of the breakwater, and the knowledge point learning condition of the student cannot be tested and evaluated because no knowledge test function link is set, so that the mastering degree of the student cannot be judged, and the learning efficiency is reduced. Through acquiring a plurality of knowledge point data of construction steps, carrying out relevant retrieval of test questions on teaching data of breakwater courses based on a hash algorithm, thereby establishing a breakwater construction test question bank, testing by a student user according to the breakwater construction test question bank to obtain scores, judging whether the scores accord with the standard according to the scoring standard range, so as to know the mastering condition of the student on the breakwater construction knowledge and formulate a corresponding learning plan. According to the invention, the students are checked and tested through the breakwater construction test question bank, so that knowledge points of the students can be known more clearly, the teaching efficiency of the students is further improved, the blind learning is avoided, and the students can master the construction knowledge of the breakwater better.

The invention provides a breakwater engineering three-dimensional simulation teaching system based on BIM technology, which is characterized by comprising a memory 41 and a processor 42, wherein the memory 41 stores a breakwater engineering three-dimensional simulation teaching method program based on BIM technology, and when the breakwater engineering three-dimensional simulation teaching method program based on BIM technology is executed by the processor 42, the following steps are realized:

The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims

1. A breakwater engineering three-dimensional simulation teaching method based on BIM technology is characterized by comprising the following steps:

2. The method for three-dimensional simulation teaching of breakwater engineering based on BIM technology according to claim 1, wherein the method for obtaining the dimensional parameters of the slope type breakwater comprises the steps of:

3. The method for three-dimensional simulation teaching of breakwater engineering based on BIM technology according to claim 1, wherein the area characteristic value of the bottom sand cushion is obtained by carrying out area extraction on the breakwater three-dimensional model, and a plurality of breakwater paving process models are built based on the area characteristic value integration of the bottom sand cushion, and specifically comprises the following steps:

4. The three-dimensional simulation teaching method of breakwater engineering based on BIM technology according to claim 1, wherein the obtaining of specification parameters of a plurality of concrete artificial blocks, generating a prefabrication process according to a paving process model of the breakwater, obtaining a set of allowed deviation intervals by combining the specification parameters of the concrete artificial blocks and the prefabrication process, formulating a placement requirement table according to the set of allowed deviation intervals, and obtaining the breakwater engineering model, comprises the following steps:

5. The three-dimensional simulation teaching method of breakwater engineering based on BIM technology according to claim 1, wherein the steps of calculating according to the breakwater engineering model to obtain an installation process model of a face protection block and a cast model of cast stone, and training and integrating the installation process model of the face protection block and the cast model of the cast stone to obtain a construction flow text of the breakwater comprise the following steps:

6. The method for three-dimensional simulation teaching of breakwater engineering based on BIM technology according to claim 1, wherein the steps of obtaining actual construction video data by mapping and editing construction flow text of the breakwater, generating construction demonstration content based on the actual construction video data, and obtaining the simulation teaching model of breakwater engineering specifically comprise the following steps:

7. The breakwater engineering three-dimensional simulation teaching system based on the BIM technology is characterized by comprising a memory and a processor, wherein the memory stores a breakwater engineering three-dimensional simulation teaching method program based on the BIM technology, and when the breakwater engineering three-dimensional simulation teaching method program based on the BIM technology is executed by the processor, the following steps are realized:

8. The three-dimensional simulation teaching system of breakwater engineering based on BIM technology according to claim 7, wherein the obtaining of specification parameters of a plurality of concrete artificial blocks, generating a prefabrication process according to a paving process model of the breakwater, obtaining a set of allowed deviation intervals by combining the specification parameters of the concrete artificial blocks and the prefabrication process, formulating a placement requirement table according to the set of allowed deviation intervals, and obtaining a breakwater engineering model, comprises the following steps:

9. The three-dimensional simulation teaching system of breakwater engineering based on BIM technology according to claim 7, wherein the construction process text of the breakwater is obtained by calculating according to the breakwater engineering model to obtain an installation process model of a face protection block and a cast model of cast stone, and training and integrating the installation process model of the face protection block and the cast model of the cast stone, specifically comprising the following steps:

10. The three-dimensional simulation teaching system of breakwater engineering based on BIM technology according to claim 7, wherein the construction process text of the breakwater is clipped through mapping to obtain actual construction video data, construction demonstration content is generated based on the actual construction video data, and a simulation teaching model of the breakwater engineering is obtained, and the method specifically comprises the following steps: