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Experimental Study on the Seismic and Cracks Performance of Steel Fiber Concrete Shear Walls

Author: JinZuo
Tutor: WangSheLiang
School: Xi'an University of Architecture and Technology
Course: Structural Engineering
Keywords: steel fiber reinforced concrete shear wall flexural capacity cross-section crack-resistant property
CLC: TU375
Type: Master's thesis
Year: 2008
Downloads: 67
Quote: 0
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Abstract


With the development of high-rise building and widely use of concrete structure, shear wall structure was taken more and more attention because of the great lateral rigidity, high capability of energy dissipation and load bearing.But with the enhanced concrete strength and the increasing height of building,the problems of brittleness and debasing earthquake resistant behavior which were caused by reduction by its better property of ductility and the property of energy absorption and dissipation,and has been widely used in transportation,bridge,and civil engineering.But the research on the steel fiber concrete shear wall is less for the moment.In this dissertation study was carried out on the bending property and seismic behavior of 5 fiber reinforced concrete shear wall and 1 normal concrete shear war under cyclic reverse load.The main achievements of the dissertation are as follows:(1)The influence of steel fiber volume fraction and steel fiber concrete strength on the hysteretic behavior,ductility,ability of dissipation energy and stiffness of shear walls were studied.(2)The cross-section crack-resistant property of shear walls affected by the volume fraction of steel fiber and steel fiber concrete strength were emphatically analyzed,the calculation model and calculation formulas of cross-section crack-resistant capacity of steel fiber reinforced concrete shear walls were put forward connected with the computational theory of cross-section crack-resistant of normal concrete.And the simplified formulas were also put forward.(3)The crack widths of some cracks were recorded in all process of experiment.The developing process of the crack width and the width affected by steel fiber was analyzed; and the general rule that the crack width affected by steel fiber was put forward.

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CLC: > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures
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