The mechanical response analysis of a super tall concrete structure under fire - Details

Author：

Ying, Ming-Jian (Ying, Ming-Jian.) | Li, Yi (Li, Yi.) | Lu, Xin-Zheng (Lu, Xin-Zheng.) | Ye, Lie-Ping (Ye, Lie-Ping.) | Yan, Wei-Ming (Yan, Wei-Ming.) (Scholars：闫维明)

Indexed by：

EI Scopus PKU CSCD

Abstract：

Fire　is　one　of　the　main　threats　to　the　safety　of　high-rise　structures.　The　mechanical　response　of　a　building　under　fire　is　the　behavior　of　the　overall　structure　of　which　the　main　feature　is　that　the　structural　stiffness　and　bearing　capacity　of　heated　sub-structures　vary　with　the　fire　development　and　in　turn　lead　to　the　redistribution　of　the　internal　forces　within　the　structural　system.　Currently,　the　relevant　researches　about　the　fire　resistance　of　structural　members　of　high-rise　structures　have　been　performed,　but　the　study　of　the　overall　fire　resistance　performance　of　high-rise　concrete　structures　is　rare.　In　this　paper,　the　fiber　beam　model　and　the　multi-layer　shell　model　that　allow　for　the　effect　of　high　temperature　are　used　to　analyze　the　overall　fire　resistance　performance　of　a　high-rise　concrete　structure.　Through　simulating　the　different　parts　of　the　overall　structure　under　the　standard　fire　scenario,　a　comparative　analysis　of　the　fire　resistance　of　super　tall　structures　is　taken.　Finally,　Pushdown　method　is　used　to　analyze　the　collapse-resistant　capacity　under　fire.　©,　2015,　Tsinghua　University.　All　right　reserved.

Keyword：

Concrete buildings Concretes Bearings (machine parts) Structural analysis Tall buildings Fire resistance Finite element method Concrete construction

Author Community：

[ 1 ] [Ying, Ming-Jian]Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing; 100084, China
[ 2 ] [Li, Yi]Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing; 100124, China
[ 3 ] [Lu, Xin-Zheng]Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing; 100084, China
[ 4 ] [Ye, Lie-Ping]Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing; 100084, China
[ 5 ] [Yan, Wei-Ming]Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing; 100124, China

Reprint Author's Address：

[lu, xin-zheng]key laboratory of civil engineering safety and durability of china education ministry, department of civil engineering, tsinghua university, beijing; 100084, china

Email：

luxz@mail.tsinghua.edu.cn

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