| 豫西东部黄土工程特性研究 |
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| 引用本文： | 王现国.豫西东部黄土工程特性研究[J].水文地质工程地质,2005,32(2):58-61. |
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| 作者姓名： | 王现国 |
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| 作者单位： | 中国地质大学研究生院,武汉,430074;河南省地质工程公司,郑州,450053 |
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| 摘 要： | 豫西东部堆积了第四纪不同时期的风成黄土及冲积、冲洪积黄土状土,全新统黄土、上更新统黄土具有湿陷性,为弱—中等湿陷。中更新统黄土一般不具有湿陷性。黄土的微观结构与土的形成时代、成因类型关系密切,全新统黄土颗粒间为开放或次开放式架空结构,具有较高的湿陷性,上更新统黄土接近接触式胶结,存在粒间架空孔隙,潜在弱—中等湿陷性;中更新统黄土为不等粒基底胶结结构,存在骨架接触式孔隙,一般不具有湿陷性;同时,黄土的渗透性又具有各向异性。
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| 关 键 词： | 豫西 湿陷性 黄土 工程特性 |
| 文章编号： | 1000-3665(2005)02-0058-04 |
| 修稿时间： | 2004年6月29日 |
The engineering properties of loess in the eastern part of western Henan Province |
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| WANG Xian-guo.The engineering properties of loess in the eastern part of western Henan Province[J].Hydrogeology and Engineering Geology,2005,32(2):58-61. |
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| Authors: | WANG Xian-guo |
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| Institution: | WANG Xian-guo~ |
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| Abstract: | The eastern part of the western Henan province is covered with eolian loess and alluvial or diluvial loess. The Holocene and Late Pleistocene loess have low to moderate collapsibility. The middle Pleistocene loess has no collapsibility. The microscopic structure depends on the age and origin. The structure of Holocene is open and semi-open, with high collapsibility. The Late Pleistocene loess is granule cemented with space among grains and low to moderate collapsibility. The middle Pleistocene loess is granule-floor cemented with skeleton touch space and no collapsibility. The permeability of loess is anisotropic. |
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| Keywords: | western Henan Province collapsibility loess engineering properties |
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