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Optimization method of seismic performance of high-rise building structure based on comprehensive cost method

A high-rise building, seismic performance technology, applied in design optimization/simulation, geometric CAD, calculation and other directions, can solve problems such as insufficient capacity, achieve the best cost, good optimization effect, and shorten the optimization period.

Active Publication Date: 2020-12-22
ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
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  • Application Information

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Problems solved by technology

Therefore, when transplanting algorithms with high adaptability in other industries to the optimization analysis of building structures, it seems powerless

Method used

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  • Optimization method of seismic performance of high-rise building structure based on comprehensive cost method
  • Optimization method of seismic performance of high-rise building structure based on comprehensive cost method
  • Optimization method of seismic performance of high-rise building structure based on comprehensive cost method

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Embodiment Construction

[0112] Engineering examples and calculation results

[0113] The project is a super high-rise frame-core tube structure, with a total of 43 floors above the ground and a roof height of 181.65m. The shape of the tower is triangular. Figure 5 As shown, the ground floor plan is as follows Figure 6 shown. The project is optimized using the method of optimizing the seismic performance of high-rise building structures based on the comprehensive cost method, which specifically includes the following steps:

[0114] (1) Calculate the preliminary overall seismic performance index and the cross-sectional size of the member

[0115] The main properties of the initial structure are shown in Table 1, and the main cross-sectional dimensions of the initial structure are shown in Table 2.

[0116] Table 1: Main performance table of initial structure

[0117]

[0118]

[0119] The overall indicators of the structure of the initial model all meet the requirements of the code limits....

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Abstract

The invention discloses an anti-seismic performance optimization method for a tall building structure based on a comprehensive cost method. The method comprises the steps that (1) a tall building structure model is established; (2) a certain anti-seismic performance index in a displacement angle or a displacement ratio is selected to serve as an optimization objective, and structural members are grouped; (3) constraint conditions for structural member optimization and an objective function are set; (4) optimization variables are made into a variable combination matrix; (5) a variable value of each variable participating in combination is modified; (6) response surface fitting is performed on obtained design experiment data results, and sensitivity coefficients are obtained; (7) first m variables with high sensitivity coefficients are determined and adjusted; (8) a model of a final result of iteration convergence is used as an initial model of strength optimization to perform strength optimization on all the structural members; and (9) structural performance of the building structure model obtained after strength optimization is calculated again, and a final comprehensive optimization scheme is formed.

Description

technical field [0001] The invention relates to an optimization method for a novel structure anti-seismic design, in particular to an optimization method for the anti-seismic performance of a high-rise building structure based on a comprehensive cost method. Background technique [0002] China is an earthquake-prone country. From the analysis of the results of earthquake disasters, the seismic design of building structures plays a particularly important role in reducing earthquake disasters. In order to improve the anti-seismic performance of the structure and reduce the construction cost, it is necessary to conduct an in-depth analysis of the structure, adopt the method of fine design to optimize the design of the structure, ensure the quality of the anti-seismic design of the building structure, use materials in the parts most needed for anti-seismic structure, and reduce the waste of building materials . [0003] Optimal design is the comparison and selection of "multipl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/13G06F30/23
CPCG06F30/13G06F30/23G06F2119/06
Inventor 焦柯吴桂广梁施铭赖鸿立童慧波贾苏陈剑佳
Owner ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
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