| 一种典型岸坡集中卸荷带发育特征的工程地质研究 |
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| 引用本文： | 任光明,夏敏,熊靖辉,刘昌,张富荣,吕耀成,徐树峰. 一种典型岸坡集中卸荷带发育特征的工程地质研究[J]. 成都理工大学学报(自然科学版), 2012, 39(4): 443-449. DOI: 10.3969/j.issn.1671-9727.2012.04.016 |
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| 作者姓名： | 任光明 夏敏 熊靖辉 刘昌 张富荣 吕耀成 徐树峰 |
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| 作者单位： | 1.地质灾害防治与地质环境保护国家重点实验室(成都理工大学),成都,610059;2.中国水电顾问集团西北勘测设计研究院,西安,710065 |
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| 摘 要： | 在对区域地质背景、构造演化特征及河谷演化历史分析的基础上,对宽阔盆地峡谷岸坡形成的深部拉裂、卸荷带发育分布特征、成因机理进行了研究.结果表明,岸坡集中卸荷带发育的拉裂缝均陡倾坡内或倾坡外,属岸坡卸荷变形的范畴,是在早期区域性垂向卸荷的基础上伴随峡谷岸坡形成过程中应力释放、在原有构造结构面基础上形成的浅表生改造的产物.
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| 关 键 词： | 集中卸荷 拉裂缝 成因机制 |
Engineering geology research on the characteristics of concentrated unloading zone of a typical bank slope |
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| REN Guang-ming , XIA Min , XIONG Jing-hui , LIU Chang , ZHANG Fu-rong , L Yao-cheng , XU Shu-feng. Engineering geology research on the characteristics of concentrated unloading zone of a typical bank slope[J]. Journal of Chengdu University of Technology: Sci & Technol Ed, 2012, 39(4): 443-449. DOI: 10.3969/j.issn.1671-9727.2012.04.016 |
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| Authors: | REN Guang-ming XIA Min XIONG Jing-hui LIU Chang ZHANG Fu-rong L Yao-cheng XU Shu-feng |
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| Affiliation: | REN Guang-ming , XIA Min , XIONG Jing-hui , LIU Chang , ZHANG Fu-rong , L(U) Yao-cheng , XU Shu-feng |
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| Abstract: | Based on the study of field background,structural evolutional characteristics and development history of Yellow River,this paper studies the distribution feature and mechanism of the deep cracks.The result shows that these cracks dip toward to a river or the reverse direction with high angle,belonging to the category of unloading,and are the products of the epigenetic reformation controlled by the early tectonic structural plane and induced by the release of horizontal stress in course of forming bank slopes. |
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| Keywords: | concentrated unloading cracks genetic mechanism |
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