[1]吴俊峰,王运生,孟天伦.四川广安区观塘镇地质灾害特征及其成因[J].水土保持研究,2008,15(05):182-185.
　WU Jun-feng,WANG Yun-sheng,MENG Tian-lun.The Geohazard Characteristics and the Genetic Mechanism of Guantang Town of Guang’an District, Sichuan Province[J].Research of Soil and Water Conservation,2008,15(05):182-185.
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四川广安区观塘镇地质灾害特征及其成因

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年05期 页码: 182-185 栏目: 出版日期: 2008-10-20
Title:
The Geohazard Characteristics and the Genetic Mechanism of Guantang Town of Guang’an District, Sichuan Province
作者:
吴俊峰1, 王运生1, 孟天伦2
1. 成都理工大学 地质灾害防治与地质环境保护国家重点实验室, 成都 610059;
2. 四川省地矿局 九一五水文地质工程地质队, 四川 眉山 620010
Author(s):
WU Jun-feng1, WANG Yun-sheng1, MENG Tian-lun2
1. State Key Laboratory of Geohazard Prevention and Geo-Enviroment Protection, Chengdu University of Technology, Chengdu 610059, China;
2. No.915 Hydrogeological and Engineering Geological Team, BGEEMRSP, Meishan, Sichuan 620010, China
关键词:
地质灾害特征; 成因机制; 广安区观塘镇
Keywords:
geohazard characteristics; genetic mechanism; Guantang town of Guang’an district
分类号:
P694
摘要:
四川广安区观塘镇地质灾害发育以崩塌、滑坡和潜在不稳定斜坡为主。区内地质灾害空间分布上具有明显的不均一性，受地形影响明显。该区地貌以中丘为主，广泛分布软硬相间的近水平中生代红层，一般丘顶为巨厚层砂岩，砂岩内大间距的垂直裂隙发育。渠江及其支流切割强烈，在渠江及支流两岸形成上硬下软、上陡下缓的特殊边坡结构，降雨不均与人类工程活动扰动等多因素作用是导致本区地质灾害发育的主要原因。
Abstract:
The geohazards are well developed in Guantang town of Guang’an district, Sichuan province. The main geohazards are avalanches, landslide and latent instability slopes. In the area the space distribution of the geohazards is obviously inhomogeneous, which affected by land form. Land form in this area is mainly composed of medium hill. The Mesozoic redbeds are widely distributed in the region, and the lithological features are hard sandstone interbedded with soft mudstone, whose attitude is approximate horizontal. Commonly there are huge thick sandstone layers on summit, vertical and large-spacing interval cracks are developed in the sandstone layer. Qujiang river and its tributary strongly cut the land form in this area, and forming special slopes, i. e hard sandstone with steep slope on the top and soft mudstone with gentle slope underlying, non-uniform rainfall and human activities are two main reasons leading to the development of geohazards.

参考文献/References:

[1] 王运生.四川珙县巡场镇地质灾害特征及其成因机制分析[J].工程地质学报,2002,10(增刊):164-167.
[2] 张倬元,王士天,王兰生.工程地质分析原理[M].北京:地质出版社,1994.
[3] 陈剑平.环境地质与工程[M].北京:地质出版社,2003.

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备注/Memo

收稿日期:2007-11-26。
基金项目:国家自然科学基金（40672147）;地调项目（川国土资函[2005]406号项目）
作者简介:吴俊峰（1984- ），男，浙江义乌人，硕士研究生，从事工程地质、区域环境评价与保护方面的研究工作。E-mail：viris@126.com

更新日期/Last Update: 1900-01-01