Reinforced concrete frame structure anti-seismic analysis method based on Revit-OpenSEES
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A technology for reinforced concrete and seismic analysis, applied in instrumentation, geometric CAD, design optimization/simulation, etc., can solve problems such as BIM and seismic analysis that have not been realized
Pending Publication Date: 2022-07-05
DALIAN NATIONALITIES UNIVERSITY
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And most of the research work still has not realized the integration of BIM and seismic analysis functions
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Embodiment 1
[0105] 1 Programming ideas
[0106] The general design idea of RTO program is as follows figure 1 As shown, it specifically includes: (1) a pre-analysis processing module, (2) an analysis post-processing module, and (3) an earthquake damage visualization display module.
[0107] 2 Program Architecture
[0108] The RTO program is developed based on the development framework of the three-tier architecture, and is appropriately adjusted according to the application scenarios and functions of the software. RTOForms is the presentation layer; RTOBLL is the business logic layer; RTODAL is the data access layer; RTODataBase is the data class that replaces the role of the database; RTOCommon is the common command layer; RTOModel is used to define custom classes. The relationship between the levels is as figure 2 shown.
[0109] 3 Technical points of pre-processing module
[0110] The pre-processing module of the RTO program includes the model data conversion and s...
Embodiment 2
[0201] This embodiment describes the specific interface of the RTO system running in the Revit software.
[0202] Figure 14 Interface to run in Revit software for RTO systems. The left side is the function switching area, the upper right side is the parameter setting area, and the lower right side is the information prompt area, which provides information prompts for the user's operations.
[0203] 1 The operation of system preprocessing
[0204] 1.1 Model Node Conversion
[0205] Start the RTO system in the program that opens the Revit structural model, and the RTO system will automatically recognize the nodes in the Revit structural model in the background and convert them into node parameters readable by OpenSEES.
[0206] 1.2 Constraint settings
[0207] In the function switching area of the front-end interface, click Constraint Settings, and in the parameter setting area, you can add a foundation bottom constraint and select a floor assumption, such ...
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Abstract
The invention discloses a reinforced concrete frame structure anti-seismic analysis method based on Revit-OpenSEES, and belongs to the technical field of civil engineering. According to the technical scheme, finite element model conversion is carried out from a BIM model of Revit to OpenSEES, and anti-seismic analysis setting and output setting are carried out; the analysis data output by the OpenSEES are grouped, sorted and extracted, and are displayed and output in the form of a graph, a table or a document and the like; according to the concrete and steel bar strain data output by the OpenSEES, earthquake damage secondary analysis is carried out on the structure; key structure earthquake damage information is automatically stored in a Revit structure model; the earthquake damage state is displayed through a three-dimensional view, or virtual roaming is carried out through VR software. The method has the beneficial effects that the integration of common BIM software and a finite element analysis program is realized, the anti-seismic analysis and damage evaluation of the reinforced concrete frame structure directly based on the BIM model are realized, and a solution is provided for the structural anti-seismic analysis to participate in the cooperative work of the BIM.
Description
technical field [0001] The invention belongs to the technical field of civil engineering, and relates to an anti-seismic analysis method of a reinforced concrete frame structure based on Revit-OpenSEES. Background technique [0002] At present, BIM technology has developed rapidly in the field of civil engineering at home and abroad, but the functions of various mainstream BIM software are limited. Generally, data conversion between various professional software in construction is required through the IFC standard to realize data sharing and collaborative work based on BIM. . [0003] With the development of urbanization, the potential threat of earthquake to economic development and people's life is becoming more and more serious, so it is particularly important to develop and improve the theory and method of building earthquake resistance. At present, the research and application of seismic design and analysis of building structures based on BIM is still in its infancy, a...
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