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陕西省宝鸡市地质灾害发育特征

石玲 王涛 辛鹏

石玲, 王涛, 辛鹏, 2013. 陕西省宝鸡市地质灾害发育特征. 地质力学学报, 19 (4): 351-363.
引用本文: 石玲, 王涛, 辛鹏, 2013. 陕西省宝鸡市地质灾害发育特征. 地质力学学报, 19 (4): 351-363.
SHI Ling, WANG Tao, XIN Peng, 2013. DEVELOPMENT CHARACTERISTICS OF THE GEO-HARZARDS IN BAOJI CITY, SHAANXI PROVINCE. Journal of Geomechanics, 19 (4): 351-363.
Citation: SHI Ling, WANG Tao, XIN Peng, 2013. DEVELOPMENT CHARACTERISTICS OF THE GEO-HARZARDS IN BAOJI CITY, SHAANXI PROVINCE. Journal of Geomechanics, 19 (4): 351-363.

陕西省宝鸡市地质灾害发育特征

基金项目: 

国家“十二五”科技支撑课题 2012BAK10B02

中国地质调查局项目 1212010640401

详细信息
    作者简介:

    石玲(1957-), 女, 高级工程师, 主要从事地质灾害统计分析研究。E-mail:lingshiju4859@sina.com

  • 中图分类号: P642.2

DEVELOPMENT CHARACTERISTICS OF THE GEO-HARZARDS IN BAOJI CITY, SHAANXI PROVINCE

  • 摘要: 根据近7年来陕西省宝鸡市12区县地质灾害详细调查资料,总结宝鸡地区地质灾害主要类型、空间分布规律、发育特征及其危害性。研究结果显示,宝鸡市地质灾害发育类型主要包括滑坡、崩塌、泥石流及不稳定斜坡等4类,总体发育特征具有群发性、突发性、周期性和链生性。其中,滑坡和崩塌数量多、危害大,泥石流相对发育较少,不稳定斜坡多与崩塌相伴生,大多发展为崩塌灾害。每年汛期在强降雨作用下,都可能诱发表层小型滑坡和崩塌,特别是城镇居民房前屋后的小型黄土滑坡和崩塌,以及山区公路切坡导致的残坡积层滑坡崩塌频繁发生,是宝鸡市地质灾害群测群防和减灾防灾关注的重点。

     

  • 图  1  宝鸡市地质灾害分布简图

    Figure  1.  Distribution diagram of geo hazards in Baoji City

    图  2  宝鸡地区长寿沟“对滑式”黄土滑坡群平面图

    Figure  2.  Plane graph showing opposite sliding loess landslide cluster in Changshou gully, Baoji city

    图  3  金台区长寿沟刘家泉滑坡剖面图

    Figure  3.  Profile map of Liujiaquan landslide in Changshou gully, Jintai district

    图  4  陈仓区县功镇刘家山滑坡剖面图

    1—Q3黄土;2—Q2黄土;3—古土壤;4—泥质粉砂岩;5—砂砾岩;6—黏土

    Figure  4.  Profile map of Liujiashan landslide in Xiangong town, Chencang district

    表  1  宝鸡市各区县地质灾害统计

    Table  1.   Statistical table of geo hazard in each county of Baoji city

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  • 收稿日期:  2013-05-31
  • 刊出日期:  2013-12-28

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