土工基础

›› 2011, Vol. 25 ›› Issue (3): 77-.

• 工程实录 • 上一篇    下一篇

新疆玛纳斯河肯斯瓦特水利枢纽防渗土料分散性研究

于 为， 马 龙， 王秋丽   

  1. （新疆生产建设兵团勘测规划设计研究院工程勘察分院，乌鲁木齐 830002）
  • 收稿日期:2010-05-06 出版日期:2011-11-15 发布日期:2012-01-13
  • 作者简介:于为，男，1974年生，工程师， 1996年毕业于新疆工学院，主要从事水利水电工程地质勘察方面的工作。

Dispersity Study on Anti\|Infiltration Soil of Hydro-Junction of Kenzwat River In Manas, Xinjiang

YU  Wei, MA  Long, WANG  Qiu  Li   

  1. (Geotechnical Investigation & Surveying Branch, Surveying Planning & Designing Institute, Xinjiang Production and Construction Corps, Urumqi  830002, China)
  • Received:2010-05-06 Online:2011-11-15 Published:2012-01-13

摘要： 在新疆北天山山麓地带广泛堆积的第四系上更新统风积黄土层，属粘粒含量较少、水溶盐含量较高的低液限粉土层。对于这类粉土层，若简单采用现行规范中分散性土鉴别的试验方法，往往得出发生分散性破坏的试验结果。因此，对土样应在野外从地形地貌、岩性上先进行宏观判断，然后结合室内的颗粒分析、离子含量试验等综合判定其分散性。

关键词: 分散性, 风积黄土, 分散机理, 北天山

Abstract: The Quaternary Pleistocene wind\|blown loess layer is widely distributed in north Tianshan mountain area of China, which belongs to the low liquid limit silt which has less cosmid and higher content of water soluble salt. According to the identification test of dispersive clay in current code, the silt is dispersive, Therefore, for the identification of dispersive soil, it is not only to macro judge from its topographic feature and lithology in the field, but also to combine with the tests in the lab such as particle analysisi test and ion content test.