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The Analysis on the Cooperative Working Performance of the Steel Frame-Core Wall Structure with Different Stiffening Measures

Author: LongLiZhi
Tutor: ZhaoHuiJuan
School: Southwest Jiaotong University
Course: Structural Engineering
Keywords: Seismic performance Hybrid structure Strengthen measures Synergy
CLC: TU973.14
Type: Master's thesis
Year: 2009
Downloads: 43
Quote: 0
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Abstract


At present , the outer steel frame - within the concrete core wall hybrid structure system in China 's high-rise and high-rise building structure increasingly wide range of applications . But we are the theoretical study of the structural system to some extent, are still lagging behind in engineering practice , there is a certain controversy at home and abroad on the seismic performance of this hybrid structure system and deformation analysis . Therefore , it is necessary to depth study of the synergistic performance of this hybrid structure . In the many the stabling steel framework - the concrete core wall hybrid structure , the majority of the increase on the framework of the strengthening measures outside . This paper focus on the different strengthening measures steel frame - concrete core wall hybrid structure collaborative performance by force , through the creation of different strengthening measures , such as large support outriggers and ring of the trusses, etc. to create this analysis model . The use of general-purpose finite element software MIDAS / GEN analysis model has been built to earthquake response spectrum analysis , PUSHOVER . A Comparative Study of the different strengthening collaborative performance of the hybrid structure , including: a the elastic deformation stage structure , framework shear along the floors of the height distribution ; framework rigidity change the impact of the structure the sway and framework shear ; deformation of the plastic stage performance , integrated the comparison was set large support to work on the structural performance impact optimal strengthen measures sectional height by changing the support to study the creation of a large supporting steel framework - the concrete core wall hybrid structure to work performance .

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CLC: > Industrial Technology > Building Science > High-rise buildings > Tall Building Structures > Structure type with the system > Hybrid structure
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