[1]徐培蓁,等.方钢管混凝土柱塑性变形性能的试验研究[J].西安建筑科技大学学报:自然科学版,2011,43(05):609-614.[doi:DOI :10.15986/j .1006-7930.2011.05.021]
 L IAN G X ing-wen,L IANG Min,et al.Experimental research on cast-in-situ reinforced concrete cornerlattice two-way slab[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2011,43(05):609-614.[doi:DOI :10.15986/j .1006-7930.2011.05.021]
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方钢管混凝土柱塑性变形性能的试验研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
43
期数:
2011年05期
页码:
609-614
栏目:
出版日期:
2011-10-31

文章信息/Info

Title:
Experimental research on cast-in-situ reinforced concrete corner
lattice two-way slab
文章编号:
1006-7930(2011)05-0609-07
作者:
徐培蓁1 2 聂瑞锋2 叶列平1
(1 .清华大学土木工程系, 北京100084 ;2 .青岛理工大学土木工程学院, 山东青岛266033)
Author(s):
L IAN G X ing-wen1 2 L IANG Min1 HU X iong-wei 1
(1 .Department of Civil Enginee ring , Tsinghua Univer sity , Beijing 100084, China ;
2.Schoo l o f Civil Eng ineering , Qing dao Technological Univ ersity , Qing dao 266033, China)
关键词:
方钢管混凝土柱低周反复荷载耗能能力延性系数累积塑性变形
Keywords:
concrete f illed square steel tubular low cy clic load ca pacity o f energy dissipation displacement d uctility accumulated plastic de f ormation
分类号:
TU398
DOI:
DOI :10.15986/j .1006-7930.2011.05.021
文献标志码:
A
摘要:
 提出了允许部分柱屈服的混合型屈服机制, 允许部分方钢管混凝土柱屈服耗能, 但要求柱不丧失承载
力以避免层倒塌, 为考察方钢管混凝土柱屈服后的力学性能, 对方钢管混凝土柱在低周反复荷载作用下的力
学性能进行了试验研究, 分析了轴压比、含钢率、长细比等参数对方钢管混凝土柱滞回曲线、刚度曲线、延性系
数、塑性变形性能的影响.试验结果表明:方钢管混凝土柱屈服后承载力无明显下降, 具有良好的延性和耗能
能力, 且随含钢率的增加, 钢管混凝土柱的耗能能力和塑性变形能力提高;而随轴压比和长细比的增大, 钢管
混凝土柱的耗能能力和塑性变形能力却相应降低.
Abstract:
A new g lobal failure mechanism frame with some colum ns yield w as pr oposed by the autho rs , some columns a re
allowed to y ield and dissipate ene rgies, which wo uld no t lose its bearing to avoid lay er collapse .Six co ncre te filled squa re
steel tubular columns are e xperimented under low cyclic load fo r studying its mechanical pe rformance .Test results included
the hy steretic curves , rigidity cur ves and plastic defo rmatio n.The influence of such parame te rs as slenderness ra tio ,
axial compressio n r atio a nd sectional steel r atio are a naly zed.The plastic defo rma tion and capacity of energ y dissipa tion
will improv e alo ng with sectio na l steel ratio increa se ;and the plastic deforma tion and capacity o f energy dissipatio n will
reduce alo ng with slender ness ratio and ax ial compression ratio increase

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备注/Memo

备注/Memo:
*收稿日期:2010-06-30   修改稿日期:2011-07-15
基金项目:中国博士后科学基金(20080440398);国家自然科学基金资助项目(50808104)
作者简介:徐培蓁(1974-), 女,山东青岛人, 青岛理工大学副教授, 清华大学博士后, 主要从事钢管混凝土抗震设计和结构振动控制
更新日期/Last Update: 2015-11-05