Behavior in compression of lightweight fiber reinforced concrete confined with transverse steel reinforcement

被引：62
作者：
Campione, G [1 ]
La Mendola, L [1 ]
机构：
[1] Univ Palermo, Dipartimento Ingn Strutturale & Geotecn, I-90128 Palermo, Italy
来源：
CEMENT & CONCRETE COMPOSITES | 2004年 / 26卷 / 06期
关键词：
lightweight concrete; pumice stone; expanded clay; steel fibers; steel transverse reinforcement; compression tests; stress-strain curves; shape effects;
D O I：
10.1016/S0958-9465(03)00047-7
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The compressive behavior of lightweight fiber reinforced concrete confined with transverse reinforcement consisting of steel stirrups or spirals was analyzed. Pumice stone and expanded clay aggregates were utilized to decrease the weight of the composite; hooked steel fibers were also added. The investigation was carried out by testing cylindrical and prismatic specimens of different sizes in compression using an open-loop displacement control machine, recording the full load-deformation curves. The influence of the dimensions and shape on the bearing capacity and on the ductility of the specimens confined with transverse steel reinforcements was analyzed. The results show the possibility of obtaining high confinement level through the coupled effect of fibers and steel transverse reinforcement. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：645 / 656
页数：12
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