| 南阳盆地新野县地裂缝现状分析 |
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| 引用本文： | 李文杰,王邦贤,杨红强,王玉海.南阳盆地新野县地裂缝现状分析[J].地下水,2009,31(5):117-120. |
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| 作者姓名： | 李文杰 王邦贤 杨红强 王玉海 |
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| 作者单位： | 河南省地质矿产勘查开发局第一地质工程院,河南,驻马店,463000 |
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| 摘 要： | 对南阳盆地新野县地裂缝发生的地质环境背景、发育现状、成因及防治对策进行了论证；确定膨胀土为引发地裂缝的主要因素；分析了膨胀土的分布规律、岩性特征、埋藏深度、土体性质及气象条件等因素；对膨胀势进行评价，判定为弱膨胀土，具蒙脱石含量较高，具高塑限、高液限，高收缩性的特点；并提出了地裂缝的防治对策。
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| 关 键 词： | 南阳盆地 地裂缝 膨胀土 现状分析 |
Analysis on Present Situation of Ground Fissure in the Nanyang Basin of XinYe County |
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| LI Wen-jie,WANG Bang-xian,YANG Hong-qiang,WANG Yu-hai.Analysis on Present Situation of Ground Fissure in the Nanyang Basin of XinYe County[J].Groundwater,2009,31(5):117-120. |
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| Authors: | LI Wen-jie WANG Bang-xian YANG Hong-qiang WANG Yu-hai |
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| Affiliation: | LI Wen -jie, WANG Bang- xian, YANG Hong- qiang, WANG Yu- hai (Henan Bureau of Geology and Mineral Resources Exploration and Development of the First Geo logical Engineering Institute, Henan Zhumadian 463000) |
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| Abstract: | The paper discusses geological environment background, the growth situation, the causes of formation and control countermeasures when the fissures occurs in Nanyang Basin of Xinye County. It also determines the expansive soil to induce a major factor in the cracks and analyzes the distribution of expansive soils, lithological characteristics, burial depth, soil properties and meteorological conditions and other factors. It evaluates the swelling power and judges to be weak expansive soil with high content of montmorillonite, together with high plastic limits, high liquid limit, shrinkage characteristics; and puts forward the relative control measures |
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| Keywords: | Nanyang basin ground fissures expansive soil and analysis |
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