| 轻钢-混凝土组合梁的试验研究及非线性有限元分析 |
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| 引用本文： | 张耀春,毛小勇,曹宝珠.轻钢-混凝土组合梁的试验研究及非线性有限元分析[J].建筑结构学报,2003,24(1):26-33. |
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| 作者姓名： | 张耀春 毛小勇 曹宝珠 |
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| 作者单位： | 哈尔滨工业大学,哈尔滨工业大学,哈尔滨工业大学 黑龙江哈尔滨150090
,黑龙江哈尔滨150090
,黑龙江哈尔滨150090 |
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| 摘 要： | 针对轻钢-混凝土组合梁这种新的结构形式,本文进行了六个试件的试验研究,分析了构件的破坏形式、荷载-位移曲线、荷载-应变曲线、钢材和混凝土的应变分布及板宽度方向应变分布等。通过试验研究,初步了解了轻钢-混凝土组合梁的特点和各种截面的粘结性能。采用组合梁单元模型,对轻钢-混凝土组合梁进行了非线性有限元分析,理论计算结果与试验结果吻合较好。
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| 关 键 词： | 非线性 荷载-位移 轻钢 有限元法 组合梁 |
| 文章编号： | 1000-6869(2003)01-0026-08 |
| 收稿时间： | 2003-02-05 |
| 修稿时间： | 2001年12月1日 |
Experimental study and nonlinear finite element analysis of lightweightsteel concrete composite beams |
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| ZHANG Yaochun,MAO Xiaoyong,CAO Baozhu.Experimental study and nonlinear finite element analysis of lightweightsteel concrete composite beams[J].Journal of Building Structures,2003,24(1):26-33. |
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| Authors: | ZHANG Yaochun MAO Xiaoyong CAO Baozhu |
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| Affiliation: | ZHANG Yaochun,MAO Xiaoyong,CAO Baozhu(Harbin Institute of Technology,Harbin,China) |
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| Abstract: | Six tests of lightweight steel concrete composite beams have been performed. The damage mode, load deflection relationship, load strain relationship and strain distribution of steel and concrete as well as strain distribution along slab width direction are analyzed. From the experimental studies the character of lightweight steel concrete composite beams and bonding behavior between the steel and concrete of beams with different cross sections are observed. Also, nonlinear finite element method is applied to calculate the load deflection relationship of lightweight steel concrete composite beams by using a double beam model. The calculated result has a good agreement with that of the test. |
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| Keywords: | lightweight steel composite beam load deflection relationship nonlinearity finite element method |
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