| 旧城山湿陷性黄土的特征与思考 |
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| 引用本文： | 薛瑜珊,黎斌,何得海,薛振勇.旧城山湿陷性黄土的特征与思考[J].工程勘察,2012(1):28-31. |
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| 作者姓名： | 薛瑜珊 黎斌 何得海 薛振勇 |
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| 作者单位： | [1]甘肃省天水市建筑勘察设计院,甘肃天水741000 [2]核工业天水工程勘察院,甘肃天水741000 [3]兰州华夏岩土开发公司,兰州730000 |
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| 摘 要： | 湿陷性黄土对工程建设有很大危害;对黄土的湿陷性评价是《湿陷性黄土地区建筑规范》的核心内容之一,研究该类土体在某区域内的分布和特征有着重要的社会经济意义。文章依据野外调查和勘探、室内试验和分析计算成果,阐明了在陇南地区存在着湿陷性黄土;对其分布状况和特征及其形成机理进行了探析,针对该类场地在工程建设中应注意的勘察问题进行了论述;建议将陇南地区黄土归入《湿陷性黄土地区建筑规范》附录A的"陇西地区"范围。
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| 关 键 词： | 湿陷性黄土 陇南地区 分布范围 湿陷特征 |
The characteristics of the collapsible loess in the place of Jiuchengshan and some ponderation |
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| Xue Yushan,Li Bin,He Dehai,Xue Zhenyong.The characteristics of the collapsible loess in the place of Jiuchengshan and some ponderation[J].Geotechnical Investigation & Surveying,2012(1):28-31. |
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| Authors: | Xue Yushan Li Bin He Dehai Xue Zhenyong |
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| Affiliation: | ( Tianshui City Architecture Exploration and Design Institute of Gansu Province, Tianshui 741000, China; 2. Tianshui Engineering Investigation Institute of Nuclear Industry, Tianshui 741000, China; 3. Lanzhou Huaxia Geoteehnical Developing Co. , Lanzhou 730000, China) |
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| Abstract: | Collapsible loess is more harmful to engineering construction. Appraising of loess collapsible is one of the key contents of ＂Code for building construction in collapsible loess regions＂. Studying the type of soil distribution and characteristics in some region has important social and economic meaning. The paper clarifies that collapsible loess exists in Longnan region according to field investigation and exploration, indoor experiment and analytical calculation. The distribution, characteristics and formation mechanism of collapsible loess are analyzed and some problems of this type of site in engineering construction are discoursed. It is suggested that loess of Longnan should be taken in ＂ Code for building construction in collapsible loess regions＂ appendix A ＂Longxi region＂. |
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| Keywords: | collapsible loess Longnan region distribute range characteristics of collapsible loess |
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