| 经编和玻纤格栅加筋粘性土的三轴试验研究 |
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| 引用本文： | 李文旭,王宁,姚勇,姜斌.经编和玻纤格栅加筋粘性土的三轴试验研究[J].建筑科学,2011,27(5). |
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| 作者姓名： | 李文旭 王宁 姚勇 姜斌 |
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| 作者单位： | 西南科技大学土木工程与建筑学院,四川绵阳,621010 |
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| 基金项目： | 国家自然科学基金(10602048); 四川省自然科学基金资助项目(2009YJ0060) |
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| 摘 要： | 对经编格栅和玻纤格栅加筋粘性土进行不固结不排水的三轴压缩试验。试验结果表明,在粘性土体上布置格栅筋材,都能提高土体强度,但不同的筋材,其加筋效果是不一样的,经编格栅加筋土的加筋效果要优于玻纤格栅加筋土。加筋层数越多,加筋效果越好;随着加筋土应力增加,加筋土抵抗变形的作用才能得到更充分发挥,土体加筋效果更明显。不同筋材的加筋土,其粘聚力与内摩擦角的变化规律不一致;玻纤格栅和经编格栅加筋粘性土的加筋效果与砂土不同,不仅表现在粘聚力的增加上,还表现在内摩擦角的增加上。加强筋条结点连接的牢固性,能够提高加筋效果。
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| 关 键 词： | 加筋土 玻纤格栅 经编格栅 三轴试验 加筋效果 |
Triaxial Test Research on Warp Knitted Polyester Geogrid and Fiberglass Geogrid Reinforced Clays |
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| LI Wen-xu,WANG Ning,YAO Yong,JIANG Bin.Triaxial Test Research on Warp Knitted Polyester Geogrid and Fiberglass Geogrid Reinforced Clays[J].Building Science,2011,27(5). |
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| Authors: | LI Wen-xu WANG Ning YAO Yong JIANG Bin |
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| Affiliation: | LI Wen-xu,WANG Ning,YAO Yong,JIANG Bin(School of Civil Engineering and Architecture of Southwest University of Science and Technology,Mianyang 621010,Sichuan,China) |
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| Abstract: | Based on non-consolidated and undrained triaxial compression test,the reinforced clays with warp knitted polyester geogrid and fiberglass geogrid are researched.Test results prove that disposing reinforced geogrid material in clay can increase its shear strength,but different reinforced materials have different reinforcement effects,It turns out that the warp knitted polyester geogrid has better reinforcement effect than the fiberglass geogrid.The more reinforced geogrid layers,the better reinforcement effe... |
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| Keywords: | geogrid reinforced clays fiberglass geogrid warp knitted polyester geogrid triaxial test reinforcement effect |
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