| 摘要: |
| 简要阐明了火灾条件下,钢筋的微观结构、屈服强度、弹性模量等主要力学性能指标的变化情况,分析了火灾对建筑中最常见的预应力钢筋力学性能的影响,指出了预应力钢筋和一般钢筋在受火后的力学性能变化差异,分析了不同厚度的混凝土保护层对钢筋力学性能的保护效果. |
| 关键词: 火灾 钢筋 结构 强度 力学性能 |
| DOI： |
| 分类号:TU391 |
| 基金项目:湖南省高等学校科学研究重点项目( 10A017) |
|
| Influence on the mechanical behavior of reinforcing steel bar by fire |
|
Kang Rui
|
|
Fire Corps of Hunan Province,Changsha 410205,China
|
| Abstract: |
| The microstructure, yield strength, elastic modulus and other major indicators of changes, were illustrated, in the mechanical properties of steel under fire condition, and focusing on the influence on mechanical properties of prestressing steel that was most common in building. |
| Key words: fire steel structure strength mechanical properties |
