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Experimental Study on the Seismic Behaviors of Corner Joint in Steel Reinforced Concrete Special-Shaped Column Frame

Author: HuXiuJie
Tutor: ZhaoHongTie
School: Xi'an University of Architecture and Technology
Course: Structural Engineering
Keywords: Corner joint in steel reinforced concrete (SRC) special-shaped column frame reversed cyclic loading test seismic behavior crack capacity ultimate capacity
CLC: TU398.9
Type: Master's thesis
Year: 2009
Downloads: 99
Quote: 10
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Abstract


Corner joint in steel reinforced concrete(SRC) special -shaped column frame have all priorities of steel reinforced concrete structure and special-shaped column structure. Which are high capacity,good seismic behaviors and no beetle edges and corners out of wall.It has wide prospect of development.But there is still few experimental and theoretical research,so it has not been extended to practice.This Paper focuses on the capacity of corner joint in SRC special -shaped column frame under reversed cyclic loading.The reversed cyclic loading of 4 corner joint in SRC special -shaped column frame were carried out.The behaviors of corner joint in SRC special -shaped column frame under pressure moment shear and torsion including force process,crack development,failure modes were analyzed.Working mechanism of joints and hysteretic behavior were analyzed,and displacement ductile coefficient and equivalent viscous damping coefficient of the joints are discussed.It is found that the capacity and seismic behaviors of the joints are higher than those of joints in RC special -shaped column frame.At the last,the effects of concrete,steel,reinforced bar,ties,and lacing bar on capacity of the joints are analyzed in detail.Calculating formulas of cracking capacity and ultimate capacity under experimental results and theoretical analysis are established.They are applicable to corner joint having different steel skeleton.The study results will be the basis of establishing reasonable calculation theory and design method of bearing capacity of corner joint in SRC special -shaped column frame. Besides,it is useful to promote the development and application of corner joint in SRC special -shaped column frame.

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