COMPARISON BETWEEN NORMAL-STRENGTH HIGH-PERFORMANCE CONCRETE AND HIGH-STRENGTH HIGH-PERFORMANCE CONCRETE EXPOSED TO HIGH TEMPERATURE

被引：0

作者：

Peng, Gai-Fei ^{[1
]}

Jiang, Yu-Chuang ^{[1
]}

Zhang, Jia ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Fac Civil Engn & Architecture, Beijing, Peoples R China

来源：

PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON THE CONCRETE FUTURE | 2008年

关键词：

normal-strength high-performance concrete; high-strength high-performance concrete; fire resistance; explosive spalling; polymer fiber;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents an experimental investigation on fire resistance of normal-strength high-performance concrete (NS-HPC), compared with high-strength high-performance concrete (HS-HPC). NS-HPC was prepared at water/binder (W/B) ratios of 0.45, 0.36, and 0.32, of which compressive strength of 28-days ranged from 42.5 MPa to 56.3 MPa. The results of the spalling test reveal that NS-HPC behaved similar to HS-HPC at 0.26 W/B ratio, i.e. NS-HPC encountered explosive spalling as well under high temperature. With regard to fire resistance, NS-HPC is similar to HS-HPC, and polymer fiber can be used to improve fire resistance of NS-HPC.

引用

页码：27 / 36

页数：10

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