Fire Resistance of CFRP-strengthened Reinforced Concrete Beams under Various Load Levels

被引：14
|
作者：
Turkowski, Piotr [1 ]
Lukomski, Marek [1 ]
Sulik, Pawel [1 ]
Roszkowski, Pawel [1 ]
机构：
[1] Bldg Res Inst ITB, Fire Res Dept, 1 Filtrowa Str, PL-00611 Warsaw, Poland
来源：
MODERN BUILDING MATERIALS, STRUCTURES AND TECHNIQUES | 2017年 / 172卷
关键词：
fire resistance; reinforced concrete beams; CFRP; fire protection; COLUMNS;
D O I：
10.1016/j.proeng.2017.02.137
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The paper presents results of ten fire resistance tests performed on reinforced concrete beams, with and without carbon fibre reinforced polymers (CFRP) strengthening. Part of the beams have been fire protected with fire protective boards of large thicknesses. The tests were performed under various load levels, ranging from 100% to 163% of their design loadbearing capacity in fire situation prior to strengthening. Test results show that structural fire design of CFRP-strengthened elements leads to three possible calculation models of fire protection thickness needed, depending on the load level reduction. (C) 2017 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：1176 / 1183
页数：8
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