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Research on Seismic Behaviors of Three-tower Connecting Structures

Author: ZhangSheng
Tutor: ShenPuSheng
School: Hunan University
Course: Structural Engineering
Keywords: The Three Pagodas Siamese structure Layout Connecting body Dynamic characteristics Earthquake response
CLC: TU973.2
Type: Master's thesis
Year: 2009
Downloads: 83
Quote: 2
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Abstract


Senior Siamese architectural structure is widely used in recent years, engineering a complex high-rise building structures, structures are flexible to adapt to the development needs of the contemporary urban economy . Many scholars and engineers and technicians senior twin towers conjoined structure theory and design while less senior the Three Pagodas Siamese structure research . With the senior Three Pagodas Siamese structure widely used in the engineering field , the Three Pagodas Siamese force performance research is becoming increasingly important . In this paper, the mechanical properties of the three towers connected structure sensitive internal factors , provide the basis for the structural design . The main contents of this article are : 1 . Discussed first Siamese computational model of the structure and design calculation methods . In the structure of a single tower , symmetric twin towers Siamese structure were compared on the basis of , the formation of the three towers of three symmetrical towers connected by a connection on the top floor , Siamese structure . Analysis of the dynamic characteristics of the modes cycle in all directions of the modes involved in the quality of the structure displacement response of the structure under horizontal seismic loads in all directions , and the story shears, story moment . Connecting body with towers connected nodes , displacement and acceleration time histories obtained some meaningful conclusions . 3 . Study the the tower layout of the Three Pagodas Siamese force performance variation . Contour the Three Pagodas Siamese structure in the tower of the three plane layout change , the change of the dynamic characteristics of the structure , including the vibration pattern map , the direction of the vibration mode characteristics , as well as the structure under seismic loads reaction . 4 connecting body position changes on the structure of the force performance of the three towers Siamese , and three the turrets into 180 ° , 90 ° two kinds of flat arrangement , the connecting body changes in the 4 position of the facade of the structure the variation of the dynamic characteristics and seismic response . The layout of the three towers at 135 ° , the number of connecting body on both sides at the same time changes and side changes the dynamic characteristics and seismic response of the structure variation . 5 . Study the changes in the way of connection and a connection to the tower , connected to the changes in the stiffness of the structure by the force performance and its variation . The paper on the basis of the above study , the design of the the Three Pagodas Siamese structure many useful suggestions .

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CLC: > Industrial Technology > Building Science > High-rise buildings > Tall Building Structures > Structural Analysis and Calculation
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