Underground concrete frame structures subjected to fire loading: Part I - Large-scale fire tests

被引：29

作者：

Ring, T. ^{[1
]}

Zeiml, M. ^{[1
,2
]}

Lackner, R. ^{[3
]}

机构：

[1] Vienna Univ Technol, Inst Mech Mat & Struct, A-1040 Vienna, Austria

[2] Fritsch Chiari & Partner ZT GmbH, A-1140 Vienna, Austria

[3] Univ Innsbruck, Mat Technol Innsbruck, A-6020 Innsbruck, Austria

来源：

ENGINEERING STRUCTURES | 2014年 / 58卷

关键词：

Concrete structure; Fire experiment; Spalling; TRANSPORT-PROPERTIES; HIGH-TEMPERATURES; TUNNELS;

D O I：

10.1016/j.engstruct.2012.10.022

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Fire events in enclosures (such as tunnels) can have severe influence on the safety of support structures, characterized by severe fire loading as regards both the speed of temperature rise and maximum temperatures. This paper contains results of real-scale fire tests, comprising temperatures within the tested concrete cross-section, deformations and rotations at various locations as well as the extent of spalling. Monitoring of cracks during and after fire loading completes the experimentally-obtained data. Based on the collected data, validation of numerical tools for the assessment of the safety of underground support structures, as presented in Part II of this paper, becomes possible. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：175 / 187

页数：13

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