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Research and Application of Add Shear Walls in Seismic Reinforcement Design

Author: ZhouShaoYuan
Tutor: CaiJian；HuangXiaoXu
School: South China University of Technology
Course: Architecture and Civil Engineering
Keywords: seismic reinforcement interface shear resistance secondary load shear-friction
CLC: TU352.11
Type: Master's thesis
Year: 2011
Downloads: 76
Quote: 0
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Abstract


Since it has resulted in various damage to different extent that the earthquake took place currently and frequently all over the word, the seismic reinforcement beomes the focal point of research in civil engineering.In such a case,some new codes or suggestions for seismic reinforcement have be for formulated. In the earthquake zone the multistory frame structure building needs to be reinforce becauses of design seismic intensity,or the changing of the function of the building, or the increasing of the the floors of building.This paper the principle of seismic reinforcement is discussed, According to the different points between seismic retrofit buildings and new buildings the shear effects on the interface between the new wall and the original structure of the interface and the new shear wall with the original structure, and the joint work problems of the secondary load of the new shear wall with original structure are mainly analyzed. The shear formula in the interface is summarized based on the shear friction model. The secondary load formulas for the new adding shear wall and the original structure are introduced by using constitutive relations of the concrete and reinforcement.A design of a practical project is carried out tu study the feasibility and applicability of the measure adding new shear wall to reinforcing the multistory frame structure increased the floors. Two different seismic reinforcement measures are used in the design of the practical project.One is only by enlarging the sections of the columms.The other is both by enlarging the enlarging the sections of the columms and adding new shear wall.The adwantages of the measures are discussed and compared.The results showed the the latter measure is better than the former one.

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CLC: > Industrial Technology > Building Science > Building structure > Special Structure > Anti - shock structure,disaster prevention structures > Shock, isolation, and explosion-proof structure > Seismic structure
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