土凤岩—马家坝古滑坡复活机制及发展趋势
文献类型：期刊论文
| 作者 | Liu XM(刘新民)1; Wang SM(王淑敏)1; Peng BK(彭炳坤)2 |
| 刊名 | 水土保持通报
 |
| 出版日期 | 1986 |
| 卷号 | 6期号:5页码:41-48 |
| 关键词 | 古滑坡复活 古滑坡体 滑坡堵江 地表裂缝 古滑体 新滩滑坡 堆积物 滑坡监测 静水压力 灾害性滑坡 |
| ISSN号 | 1000-288X |
| 其他题名 | REVICE MECHANISM AND DEVELOPING TENDENCY OF ANCIENT LANDSLIDE IN TUFENOYAN-MAJIABA OF THREE GORGES REGION |
| 通讯作者 | 刘新民 |
| 中文摘要 | 继1982年鸡筏子滑坡、1985年新滩滑坡之后,于1986年7月16日,距长江南岸7.5公里的秭归县土凤岩—马家坝又发生一起灾害性滑坡。滑坡性质,属历史上古滑坡的一次全面复活。滑体总量约3,000万立方米。滑坡为特大暴雨触发,起始于坡体上部基岩崩塌堵沟。沟内水位迅速陡涨,洪水在短时间内侧向注入古崩滑体内,产生强大的动水、静水压力,推动坡体中下部各级古滑体向下滑移,直至河谷为止。目前滑体重心还相当高,地表裂缝密集,两侧天然排水沟被滑坡堆积物充填,滑坡堵江的趋势已势在必然。防治措施是,继续开展滑坡监测及报警工作,修复排水系统,改水田为旱地,夯实地表裂缝。 |
| 英文摘要 | Following Jifazi landslide occurred in 1982 and Xintian landslide in 1985, a catastrophic landslide of Majiaba in Zigui County occurred on 16 July, 1986, about 7.5 km south of Yangtze River, being a complete revice of historic dormant landslide.Its revice was triggered by particularly heavy rainfall. The reactivated landslide attained a volume of 30 million m~3. Being due to damming gully by rock collapse at upper part of the slope, impounding water level in the gully rose rapidly, flooding emptied both-sidely into ancient slide deposits in a short time, creating a strong dynamic-statical water pressure, pushing ancient slide deposits on the middle-lower part of the slope to move downward till the valley.The gravity center of the gliding mass is higher now, there are many ruptures on the ground, both sides natural drains are filled by sliding deposits, therefore there must be a tendency of damming river.Taking continually monitor of slide movement, sliding, warning repairing drain system, transforming paddy fields into dry land, ramming ruptures on the ground can be taken as countermeasures. |
| 语种 | 中文 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/8959]  |
| 专题 | 成都山地灾害与环境研究所_成都山地所知识仓储（2009年以前） |
| 作者单位 | 1.中国科学院成都地理研究所 2.湖北省秭归县水电局 |
| 推荐引用方式 GB/T 7714 | Liu XM(刘新民),Wang SM(王淑敏),Peng BK(彭炳坤). 土凤岩—马家坝古滑坡复活机制及发展趋势[J]. 水土保持通报,1986,6(5):41-48. |
| APA | Liu XM,Wang SM,&Peng BK.(1986).土凤岩—马家坝古滑坡复活机制及发展趋势.水土保持通报,6(5),41-48. |
| MLA | Liu XM,et al."土凤岩—马家坝古滑坡复活机制及发展趋势".水土保持通报 6.5(1986):41-48. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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