ANALYSIS OF EFFECT FACTOR ON SEISMIC BEHAVIOR OF ABNORMAL INTERIOR JOINTS IN REINFORCED CONCRETE FRAME STRUCTURES

Wu Tao; Xing Guohua; Liu Boquan

doi:10.13204/j.gyjz200910010

Volume 39 Issue 10

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2009 > 39(10): 30-34

YANG Hong, LIU Qingpei, YANG Xiaoyi. Experimental Research on Anchorage Performance of Rebars Considering Mechanical Characteristics of RC Beam-Column Joints[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(4): 40-49,97. doi: 10.13204/j.gyjzG21060107

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Wu Tao, Xing Guohua, Liu Boquan. ANALYSIS OF EFFECT FACTOR ON SEISMIC BEHAVIOR OF ABNORMAL INTERIOR JOINTS IN REINFORCED CONCRETE FRAME STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(10): 30-34. doi: 10.13204/j.gyjz200910010

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ANALYSIS OF EFFECT FACTOR ON SEISMIC BEHAVIOR OF ABNORMAL INTERIOR JOINTS IN REINFORCED CONCRETE FRAME STRUCTURES

doi: 10.13204/j.gyjz200910010

1.
College of Architecture and Engineering,Chang’an University,Xi’an 710061,China

Received Date: 2009-02-28
Publish Date: 2009-10-20

Abstract

Abstract

Six specimens of abnormal interior joints were tested under reversed cyclic loading.Experimental studies were carried out to investigate the effect of joint core dimensions and axial compression ratio on seismic behaviour of abnormal joints.Test results indicated that column section abrupt had little effect on seismic behavior of the specimen.When the reduced height of column section was less than 1/6 column section height,that is h_ch_c/6,the negative effect of that could be neglected.The test results also indicated that beam section abrupt had an obvious effect on seismic behavior of the beam-column subassemblage. When h_b was between h_c/6 and 2h_(bl)/5,the seismic behavior improved gradually with the increase of h_b;When h_b was between 2h_(bl)/5 and h_(bl)/2,the seismic behavior deteriorated with the increase of h_b;When h_b was greater than 1/2 high beam section depth,a exterior joint model would be better for this case analysis.In addition,the axial load level of the column had a negative effect on seismic behavior of abnormal joints after the beam-column subassemblage reached to critical crack stage,it was suggested that the axial compression ratio shoulds be less than 0.3 for the seismic design of this sort of abnormal joint.
- abnormal interior frame joint,
- seismic behaviours,
- axial compression ratio

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References(5)

References

GB500102002混凝土结构设计规范[S].

[2] GB500112001建筑抗震设计规范[S].

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[4] 框架节点专题研究组.低周反复荷载作用下钢筋混凝土框架梁柱节点核心区抗剪强度的试验研究[J].建筑结构学报,1983,4(6):1-17.

[5] 唐九如.钢筋混凝土框架节点抗震[M].南京:东南大学出版社,1989:31-32.

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沈阳化工大学材料科学与工程学院沈阳 110142

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