|本期目录/Table of Contents|

[1]肖建庄,刘 胜,TRESSERRAS Joan.钢管/GFRP管约束再生混凝土柱偏心受压试验[J].建筑科学与工程学报,2015,32(02):21-26.
　XIAO Jian-zhuang,LIU Sheng,TRESSERRAS Joan.Eccentric Loading Test on Recycled Aggregate Concrete Columns Confined by Steel Tube/GFRP Tube[J].Journal of Architecture and Civil Engineering,2015,32(02):21-26.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
32卷
期数:
2015年02期
页码:
21-26
栏目:
出版日期:
2015-03-30

文章信息/Info

Title:
Eccentric Loading Test on Recycled Aggregate Concrete Columns Confined by Steel Tube/GFRP Tube
作者:
肖建庄，刘 胜，TRESSERRAS Joan
同济大学建筑工程系
Author(s):
XIAO Jian-zhuang, LIU Sheng, TRESSERRAS Joan
Department of Structural Engineering, Tongji University
关键词:
再生混凝土; 偏心受压试验; 约束; 钢管; GFRP管; 极限荷载; 膨胀剂
Keywords:
recycled aggregate concrete;  eccentric loading test;  confinement;  steel tube;  GFRP tube;  ultimate load;  expansive agent
分类号:
-
DOI:
-
文献标志码:
A
摘要:
以再生粗骨料取代率和膨胀剂掺量为参数，完成了4个钢管约束和4个玻璃纤维增强塑料（GFRP）约束再生混凝土柱试件的偏心受压试验，对钢管约束和GFRP管约束再生混凝土试件的极限荷载和轴向变形进行了对比分析，并对试件的极限荷载试验值与计算值进行了对比。结果表明：100%再生粗骨料取代率再生混凝土试件的极限荷载比普通混凝土试件低，混凝土强度相同时，GFRP管约束再生混凝土试件偏心受压极限荷载比钢管约束试件低；膨胀剂可以提高钢管和GFRP管约束试件的偏心受压极限荷载，并且对GFRP管约束试件作用更为显著；GFRP管约束试件的变形能力比钢管约束试件大，100%再生粗骨料取代率再生混凝土试件的变形能力比普通混凝土试件大。
Abstract:
Taking the replacement ratio of recycled aggregate concrete and adding amount of expansive agent as parameters, 4 recycled concrete columns confined by steel tube and 4 recycled concrete columns confined by glass fiber reinforced plastics (GFRP) under eccentric loading were tested, and the effects of confinement by steel tube or GFRP on the ultimate load and axial strain of specimens were investigated. The ultimate loads of specimens was compared with the calculated values. The results show that the ultimate loads of 100% replaced recycled concrete specimens are lower than those of normal concrete specimens and the ultimate loads of GFRP confined specimens are lower than those of steel tube confined specimens. Expansive agent can increase the ultimate load of specimen and the effect is more significant on specimens confined by GFRP. The axial strains of specimens confined by GFRP are larger than those of specimens confined by steel tube, and the axial stains of 100% replaced recycled concrete specimens are larger than those of normal concrete specimens.

参考文献/References:

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2015-03-31