| 甘肃武都典型夯土民房承重墙体抗剪强度试验研究 |
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| 引用本文： | 徐舜华,王兰民,王强,袁中夏.甘肃武都典型夯土民房承重墙体抗剪强度试验研究[J].西北地震学报,2011,33(4):354-358,385. |
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| 作者姓名： | 徐舜华 王兰民 王强 袁中夏 |
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| 作者单位： | 中国地震局地震预测研究所兰州创新基地,甘肃兰州 730000;中国地震局兰州地震研究所,甘肃兰州 730000 |
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| 基金项目： | 中国地震局地震预测研究所基本科研业务专项;中国地震局兰州地震研究所论著编号:LC2011051 |
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| 摘 要： | 武都是甘肃省典型夯土民房使用地区.试验中使用武都当地常用土料,完全按照当地施工工艺夯筑两片夯土墙体试件,利用伪静力方法研究墙体抗剪强度.结果显示:(1)上覆荷载对夯土墙体的水平承载力和变形影响较大,随着上覆荷载从10 kN增加到18 kN,开裂荷载和极限荷载分别增加了217％和359％,极限顶点位移则降低了30％；(2)在水平往复荷载的作用下,夯土墙体始终沿着夯土层间水平和垂直接触裂缝处产生破坏,最终碎裂成块体.最后提出了使用铁丝网来加固现存夯土民房承重墙体的建议.
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| 关 键 词： | 武都 夯土民房 承重墙体 抗剪强度 |
Experimental Study on Shearing Strength of Typical Rammed Earth Wall in Wudu Area,Gansu Province |
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| XU?Shun-hu,WANG?Lan-min,WANG?Qiang and YUAN?Zhong-xia.Experimental Study on Shearing Strength of Typical Rammed Earth Wall in Wudu Area,Gansu Province[J].Northwestern Seismological Journal,2011,33(4):354-358,385. |
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| Authors: | XU?Shun-hu WANG?Lan-min WANG?Qiang and YUAN?Zhong-xia |
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| Institution: | XU Shun-hua1,2,WANG Lan-min1,WANG Qiang1,YUAN Zhong-xia1,2(1.Lanzhou Base of Institute of Earthquake Prediction,CEA,Lanzhou 730000,China,2.Lanzhou Institute of Seismology,China) |
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| Abstract: | Wudu is the area where using typical rammed earth rural houses in Gansu province.In experiments two wall specimens are built using local material and local construction technology,and the shearing strength of wall is investegated by pseudo-static test,the results show(1) the overlying load on the wall has greater effect on horizontal load capacity and deformation of the wall,with the overlying load from 10 kN to 18 kN,cracking load and ultimate load increased by 217% and 359%,ultimate top displacement is re... |
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| Keywords: | Wudu area Rammed earth house Bearing wall Searing strength |
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