| 沂蒙山区南龙口岩溶地面塌陷形成机制探讨 |
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| 引用本文： | 杨明,荣玉伟,田洁,杨启俭.沂蒙山区南龙口岩溶地面塌陷形成机制探讨[J].山东国土资源,2010,26(1):19-23. |
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| 作者姓名： | 杨明 荣玉伟 田洁 杨启俭 |
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| 作者单位： | 山东省第七地质矿产勘查院,山东,临沂,276006 |
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| 摘 要： | 沂蒙山区南龙口隐伏灰岩分布区,上覆第四系砂砾石层、砂质黏土等,受地下水集中开采、降水等诱发因素的影响,近年来多次发生地面塌陷,导致交通干线、民房及村中道路受损,造成一定的经济损失,对当地村民的生命安全及重要交通干线构成威胁。该文初步分析研究了岩溶地面塌陷的特征、形成条件及影响因素,提出了防灾减灾措施。
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| 关 键 词： | 岩溶地面塌陷 成因 南龙口 沂蒙山区 |
Primary Analysis on Forming Mechanism of Karst Land Collapse in Nanlongkou of Yimeng Mountainous Area |
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| YANGMING,RONG YUWEI,TIAN JIE and YANG QIJIAN.Primary Analysis on Forming Mechanism of Karst Land Collapse in Nanlongkou of Yimeng Mountainous Area[J].Land and Resources in SHANDONG Province,2010,26(1):19-23. |
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| Authors: | YANGMING RONG YUWEI TIAN JIE and YANG QIJIAN |
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| Abstract: | Nanlongkou of Yimeng mountain area locates in concealed limestone area. It is covered by Quaternary sand and gravel and sandy clay strata. In recent years, due to effects of concentrated exploitation of groundwater and precipitation, ground collapse has happened few times and damaged the traffic, partial houses and roads in villages. It has threatened life security of village people and main traffic trunk. On the basis of study characteristics of karst land collapse, forming condition and influence factors, countermeasures are put forward to prevent and control geological disasters in Nanlongkou area. |
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