郑永乾
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火灾下型钢混凝土梁力学性能的研究
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Affiliation of Author(s):土木工程学院

Journal:工程力学

Funded by:国家科技部项目

Key Words:型钢混凝土;梁;力学性能;温度场;耐火极限;抗火设计

Abstract:采用纤维模型法和有限元软件ABAQUS计算了火灾下型钢混凝土梁的变形以及耐火极限,初步了解了型钢混凝土梁的高温力学性能。在此基础上,利用纤维模型法分析了截面尺寸、截面含钢率、受拉钢筋配筋率、型钢屈服强度、钢筋屈服强度、混凝土强度、截面高宽比和钢筋的混凝土保护层厚度等参数对火灾下构件承载力的影响规律,最后提出了型钢混凝土梁耐火极限的实用计算公式。

Note:EI检索: 084111636279

Indexed by:Journal paper

Document Code:1897

Volume:25

Issue:9

Page Number:118-125, 148

ISSN No.:1000-4750

Translation or Not:no

CN No.:11-2595/O

Date of Publication:2008-09-01

Personal information

Professor
Supervisor of Master's Candidates

School/Department:土木工程学院

Administrative Position:省重点实验室常务副主任

Education Level:Postgraduate (Doctoral)

Contact Information:yongqianzheng@163.com

Degree:Doctoral degree

Status:Employed

Alma Mater:福州大学

Discipline:Civil Engineering

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