主管：中华人民共和国应急管理部
主办：应急管理部天津消防研究所
ISSN 1009-0029  CN 12-1311/TU
消防科学与技术

消防科学与技术 ›› 2020, Vol. 39 ›› Issue (11): 1511-1515.

• • 上一篇    下一篇

高层钢管混凝土柱-钢梁平面框架抗火性能研究

高春彦1，王佳丽1，彭驰2，焦德阳3   

  1. 1. 内蒙古科技大学土木工程学院，内蒙古包头014010; 2. 中国船舶重工集团海装风电股份有限公司，重庆400000; 3. 包钢西北创业建设有限公司，内蒙古包头014010
  • 出版日期:2020-11-15 发布日期:2020-11-15
  • 作者简介:高春彦（1978-），女，内蒙古科技大学土木工程学院副教授，博士，主要从事钢与混凝土组合结构研究，内蒙古自治区包头市内蒙古科技大学阿尔丁大街7号，014010
  • 基金资助:
    内蒙古自然科学基金资助项目（2018MS05041）

Fire resistance of concrete filled steel tubular column and steel beam plane frame

GAO Chun-yan1,WANG Jia-li1, PENG Chi2, JIAO DE-YANG3   

  1. 1. School of Civil Engineering, Inner Mongolia University of Science and Technology, Inner Mongolia Baotou 014010,China；2. China Ship Building Industry Corporation Haizhuang Wind Power Co., Ltd, Chongqing 400000, China; 3. Baogang Northwest Venture Construction Co., Ltd., Inner Mongolia Baotou 014010,China

  • Online:2020-11-15 Published:2020-11-15

摘要： 利用有限元分析软件ABAQUS，对高层钢管混凝土柱-钢梁组合框架不同区域发生火灾的情况进行数值模拟，研究高温下各构件的温度场分布以及不同区域框架受火时的变形情况、耐火极限、应力分布状况。结果表明：在考虑楼板有利作用下，钢梁上翼缘的温度最低；高层建筑的底层变形最大、耐火极限最短、钢管的应力最集中、核心混凝土处于全截面受压状态。

关键词: 建筑火灾, 高层建筑, 框架结构, 钢管混凝土柱

Abstract:

The numerical simulation of a certain concrete- filled steel tubular (CFST) column and steel beam composite frame structure in high-rise building when different parts were subjected to fire were carried out, and the temperature distribution of structural members under the high temperature, and the fire resistance,the deformation conditions, and the stress distribution  were studied. The results show that the temperature of the topflange of the steel member is the lowest when considering the beneficial action of floor slab. Also, the deformation of the ground floor is the most serious, the fire resistance rating is the shortest, the stress of steel tube is the most concentrated, and the core concrete stays compressed status of whole section.

Key words:

building fire, high- rise building, frame structure, concrete-filled steel tubular column