Finite Element Analysis Of The Box-type Transfer Story At A High Level

Box-type transfer story develops from the beam-type transfer story,forming a closed box by beams criss-cross rib and the cover plate above and below. It changes the path of the force transmission from the upper part of the building. Generally,the effect of box-type transfer story is significant for those buildings which needs a big space in the lower part of the building. Shear wall can be arranged freely at the top of the box-type transfer story. Usually the ribbed box-type structures are generally higher,and it forms a I-shaped force transmission system with the cover plate.So the vertical and horizontal direction are strengthened which makes the force distribution uniform.Most of the transfer story structure are generally located at two or three floors. But with the continuous development of high-rise buildings and the architectural forms of innovation^lot of transfer structure is not rigidly adhere to low location.Instead, some higher-location transfer story structure appear in a number of buildings.Amount the many form of the transfer story structures, the box-type transfer story is a better choice.In this article,the box-type transfer story of a specific example of project will be analysis necessarily.Using the finite element software ANSYS through numerical simulation for this project, mainly for the following analysis:Firstly,the modal analysis of the whole structure of the building should be performed.Vibration periodic will be get from the modal analysis,as well as changes in floors displacement and angular displacement of the main modals of spindle orientation and comparison with the codes currently in use.Secondly,by using modal response spectrum method analyze the response of the building when suffering a horizontal seismic action. Because of the irregular building vertical and the great changes about the tiffhess,the necessary flexible time-history analysis should also be performed.Compare to the result of two methods,make a evaluation of structure and provide a reference for other similar building.Through the analysis of the whole structure,a serials of strengthening measures should be paid attention.In this paper summarizes the main conclusions of the analysis,and proposed the next problem to be solved.Finally,Through this analysis, the current high transfer story structure is still in the exploratory stage.General System theory systems is not formed entirely,and it is still in practice trial.This article analyzes the structure of ultra-high box-type transfer story,a higher position of the transfer story structure can also play its superior performance.