| 深圳市龙岗区同乐村岩溶地面塌陷特征及形成机理初步探讨 |
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| 引用本文： | 冯书才,吴志斌.深圳市龙岗区同乐村岩溶地面塌陷特征及形成机理初步探讨[J].地质灾害与环境保护,2006,17(3):38-42. |
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| 作者姓名： | 冯书才 吴志斌 |
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| 作者单位： | 深圳市勘察测绘院,深圳,518028 |
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| 摘 要： | 2004年11月9日凌晨2时许,深圳市龙岗区同乐居委会水流田村发生岩溶地面塌陷,倒房1栋,所幸无人伤亡。本文在工程地质勘察的基础上,对此次塌陷的特征及形成机理作了初步探讨,提出深埋岩溶地面塌陷,除有溶洞、地下水等必要条件,还与第四系沉积物的成分、结构、透水性密切相关,同时地质构造也起着控制作用。深埋岩溶地面塌陷与浅层地下水的多寡及垂直活动特性密切相关。
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| 关 键 词： | 可溶岩 深埋岩溶 地面塌陷 落水洞 潜蚀 |
| 文章编号： | 1006-4362（2006）03-0038-05 |
| 收稿时间： | 2005-09-08 |
| 修稿时间： | 2005-09-082006-02-20 |
PRELIMINARY DISCUSSION ON THE FEATURE AND ORIGIN OF KARSTS-TYPE LAND SUBSIDENCE OF TONGLE VILLAGE, LONGGANG, SHENZHEN |
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| FENG Shu-cai,WU Zhi-bin.PRELIMINARY DISCUSSION ON THE FEATURE AND ORIGIN OF KARSTS-TYPE LAND SUBSIDENCE OF TONGLE VILLAGE, LONGGANG, SHENZHEN[J].Journal of Geological Hazards and Environment Preservation,2006,17(3):38-42. |
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| Authors: | FENG Shu-cai WU Zhi-bin |
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| Institution: | Shenzhen Investigation and Survey Institute, Shenzhen 518028, China |
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| Abstract: | On November 9th,2004,there a land subsidence,forming a concave with a 10m diameter,and more than 5m,in Tongle village,Longgang district,Shenzhen city and A house fell down.Based on the engineering geology investigation,the factors causing the sinking mainly are the solution of the carbonate rocks buried deep with the groundwater activities,and the composition,structure and permeability of the Quaternary sediments helped the land subsidence. |
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| Keywords: | deep Karst land subsidence Shenzhen |
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