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(Professor)
Name (Pinyin):
zhengshansuo
School/Department:
土木工程学院
Gender:
Male
Professional Title:
Professor
Status:
Employed
Discipline:
Structural Engineering
Engineering
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Email:
c620cf8104e7f706b78620231a598bffc875e105c954c02dfa376f84c9eeb0f211e96a02cd655927c7b5d333954f9c736a6935ec4aa1c47a510b1232f60d552ec549327ee059a37a0e73d11f1733ccc3d634b6508c2eba7ab48b244ff58586068f8437072463326ce4ca47448eeb16dc2b2920b497047cbb846f56dcc2651e00
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近海大气环境下多龄期钢框架柱抗震性能的试验研究
Release time:
2024-08-09
Hits:
Affiliation of Author(s):
土木工程学院
Journal:
土木工程学报
Key Words:
中文关键字:近海大气环境; 锈蚀钢框架柱; 失重率; 低周往复加载试验; 抗震性能;,英文关键字:coastal atmosphere;corroded steel frame column;
Abstract:
利用人工气候环境加速锈蚀试验技术对8榀钢框架柱和3种不同厚度的钢材试件进行近海大气环境下的加速腐蚀。对不同锈蚀程度的钢材试件进行拉伸试验,获得钢材力学性能(屈服强度、极限强度、伸长率和弹性模量)随失重率增大的退化规律;并对8榀锈蚀钢框架柱进行低周往复加载试验,考察了锈蚀钢框架柱的破坏过程与特征,从滞回曲线、骨架曲线、强度和刚度退化、耗能能力等角度初步探讨了不同轴压比、锈蚀程度及加载路径对钢框架柱抗震性能的影响。结果表明:随锈蚀程度的增大,钢框架柱极限承载力、耗能能力显著降低,强度和刚度退化明显;随轴压比的增大,钢框架柱承载能力退化、延性变差;加载路径对钢框架柱塑性变形发展和滞回耗能有较大影响。研究成果可为进行基于构件的多龄期钢框架地震易损性研究提供试验支持。
Note:
郑山锁
Co-author:
王晓飞,程洋,孙乐彬
First Author:
zhangxiaohui,zhengshansuo
Indexed by:
Journal paper
Volume:
卷:49
Issue:
期:4
Page Number:
页:69-77
Translation or Not:
no
Date of Publication:
2016-04-01
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