[1]陈关顺,沙德智.土质滑坡滑带土取样方法的新尝试[J].山地学报,2003,(03):380.
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土质滑坡滑带土取样方法的新尝试()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2003年03期
页码:
380
栏目:
山地学报
出版日期:
2003-06-28

文章信息/Info

作者:
陈关顺;沙德智
凉山州地质环境监测站;凉山州地质环境监测站 四川 西昌 ;四川 西昌
关键词:
滑坡; 环刀; 现场取样方法
文献标志码:
A
摘要:
土质滑坡勘查中,滑带土的取样工作极其重要。能否高质量地采取滑带土样,关系到室内试验的准确性,而试验结果又是滑坡稳定性评价和滑坡治理工程设计的重要依据,试验结果稍有偏差,就可能对滑坡稳定性作出不同的结论,计算出滑坡推力也相差很大。所以,高质量采集滑带土样是做好试验的前提条件,是正确勘察、评价滑坡的重要环节。 由于土质滑坡活动的特殊性,滑带土厚度一般很薄,根所我们对数十个滑坡的调查统计,滑带土厚度大多在几毫米到几厘米,正在活动或者活动时间不久的滑坡,其滑带土大部份为软塑状的粘土、粉质粘土,受滑动碾磨,颗粒很细。滑带土厚度薄、力学性质软弱的特点使取样工作难度极大。 按照常规取样方法,从钻孔中...

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更新日期/Last Update: 2003-06-28