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A method for optimizing section size of outrigger truss members in super high-rise buildings

A technology of outrigger truss and section size, applied in special data processing applications, instruments, electrical and digital data processing, etc.

Active Publication Date: 2016-10-05
TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, some professional software with optimization and analysis functions can be used to optimize the section size of components. However, the above-mentioned software is generally suitable for small structural or mechanical components, and the optimized results may not be used in design practice. Therefore, the application in actual engineering is relatively rare. less; more often, structural designers use the concept of conventional structures and engineering experience to manually adjust and repeatedly try and calculate.

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  • A method for optimizing section size of outrigger truss members in super high-rise buildings
  • A method for optimizing section size of outrigger truss members in super high-rise buildings
  • A method for optimizing section size of outrigger truss members in super high-rise buildings

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0031] A method for optimizing the section size of an outrigger truss member of a super high-rise building, comprising the following steps:

[0032] 1. Super high-rise buildings are slender and weak in rigidity. Outrigger trusses are often installed on the equipment floor to increase the overall rigidity of the structure, thereby reducing the displacement angle between floors and the structural period. Super high-rise buildings are usually divided into functional areas along the height direction with districts as units, and the outriggers are generally set on the equipment floor of th...

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Abstract

The invention relates to a method for optimizing sectional dimension of a super high-rise building outrigger truss component. The method, on the premise of determining the position and the number of an outrigger truss, optimizes sectional dimension of the outrigger truss component through an optimization algorithm based on virtual work principle and sequential quadratic programming method. Compared with the prior art, the method is used for optimizing distribution of materials on the outrigger truss component, so as to reduce material consumption under the condition of satisfying inter-story displacement angle and periodic constrain of a structure, and the optimized sectional dimension can meet construction and building requirements.

Description

technical field [0001] The invention relates to the technical field of structural engineering, in particular to a method for optimizing the section size of an outrigger truss member of a super high-rise building. Background technique [0002] Due to the demand for saving land in urban construction, the development of high-strength and lightweight materials, the improvement of design and construction technology, and people's desire for super-high landmark buildings, more and more super high-rise buildings appear. The structure of super high-rise buildings is slender and has the characteristics of high and flexible. Due to the high and flexible overall structure, the size of the main components is usually controlled by stiffness. Under wind loads and earthquakes, super high-rise buildings need to control excessive deformation of structures or components to avoid damage to exterior walls and exterior decoration materials caused by this. The structural natural vibration period ...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 董耀旻赵昕余天意江祥周瑛
Owner TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD