多年冻土融沉性分类研究 |
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引用本文: | 吕玉兰,冷毅飞,姜龙,张喜发.多年冻土融沉性分类研究[J].冰川冻土,2011,33(4):760-764. |
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作者姓名: | 吕玉兰 冷毅飞 姜龙 张喜发 |
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作者单位: | 大庆油田工程有限公司,黑龙江大庆,163712;吉林大学建设工程学院,吉林长春,130026 |
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摘 要: | 在冻土工程中,冻土的融沉性评价是工程地质勘察的主要内容之一,融沉性分类是冻土地基基础设计施工的重要依据.根据345个冻土原状样品融沉压缩试验数据,提出了细砾、砂土、粉土、黏性土、泥炭化黏性土和泥炭质土等6类土的融沉系数一含水量或融沉系数一超塑含水量线性回归方程式,得到与各融沉性分级相应的界限含水量或界限超塑含水量.最后...
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关 键 词: | 冻土融沉系数 含水量 干密度 融沉性分级 界限含水量 |
A Study of Classification of Thaw-Settlement Properties of Permafrost |
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Institution: | L Yu-lan1,LENG Yi-fei2,JIANG Long1,ZHANG Xi-fa2(1.The Engineering Ltd of Daqing Oilfield,Daqing Heilongjiang 163712,China;2.College of Construction Engineering,Jilin University,Changchun Jilin 130026,China) |
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Abstract: | The evaluation of permafrost thaw-settlement is one of the main tasks of engineering geological investigation in frozen soil engineering,and thaw-settlement classification is an important basis for the design and construction of foundations on permafrost.Based on the thaw-compression test data of 345 undisturbed samples,linear regression equations of thaw-settlement coefficients and total water contents or thaw-settlement coefficients and super-plastic water contents of gravel,sand,silt,cohesive soil,peaty ... |
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Keywords: | thaw-settlement coefficient water content dry density thaw-settlement grade water contents at the bounds of thaw-settlement coefficients |
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