干旱区生态环境知识资源中心(Arid): 呼伦贝尔沙质草原表土物理力学性质

Arid

	呼伦贝尔沙质草原表土物理力学性质
其他题名	Top Soil Texture, Physical and Mechanical Property of the Hulunbuir Sandy Grassland, Inner Mongolia, China
	殷玲 1; 张德平 2; 成永会 3; 靳立宁 4; 赵家明 5; 巴日斯 5; 海军 6; 祁晓燕 4; 屈建新 4
来源期刊	中国沙漠
ISSN	1000-694X
出版年	2015
卷号	35 期号:4 页码:930-936
中文摘要	通过野外现场调查、载荷试验、轻型圆锥动力触探及室内试验,对呼伦贝尔沙质草原厚度30 cm的表层沙土物理力学性质及承载力、剪切变形特征进行研究。结果表明:表层沙土工程分类为细砂,颗粒级配不良,沿深度有明显分层;干密度1. 34~1. 51 g ? cm~(-3),黏聚力12~27. 4 kPa,内摩擦角22. 5°~24. 0°,变形模量8. 5 MPa;各指标表明沙土的工程性质上部差于下部;沙土承载力特征值和极限承载力分别为150 kPa和300 kPa,承载力不足导致表层沙土发生冲剪破坏(塑性破坏)和整体剪切破坏(脆性破坏)。
英文摘要	Research into topsoil texture, physical and mechanical properties within the depth of thirteen centimeters has been carried out based on field survey and laboratory tests on bearing capacity and shear deformation analysis in the sandy grassland of Hulunbuir, Inner Mongolia. It is discovered that the topsoil could be named fine sand, with poor grain size distribution, and layered structure. Soil dry density is between l.34 g? cm~(-3) and l.51 g?cm~(-3), soil cohesive forces between 12 kPa and 27. 4 kPa, soil internal friction angle falls between 22. 5°and 24°,and soil modulus of deformation is 8. 5 MPa. It was discovered that the soil engineering property of the lower bed is better. Top soil characteristic value of bearing capacity was 150 kPa, and its ultimate bearing capacity was 300 kPa. Punching shear destruction (The plastic damage) and General shear failure (Brittle failure) is usual as soil carrying capacity is weak.
中文关键词	表土层 ; 承载力 ; 越野交通 ; 风蚀坑 ; 沙漠化
英文关键词	topsoil mantle bearing capacity off road vehicle traffic blowout sandy desertification
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5474697
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/233764
作者单位	1.呼伦贝尔学院建筑工程学院, 呼伦贝尔, 内蒙古 021008, 中国; 2.呼伦贝尔学院草原生态研究院, 呼伦贝尔, 内蒙古 021008, 中国; 3.呼伦贝尔市水利局, 呼伦贝尔, 内蒙古 021008, 中国; 4.呼伦贝尔大地岩土工程勘察有限公司, 呼伦贝尔, 内蒙古 021008, 中国; 5.呼伦贝尔市生态环境监测站, 呼伦贝尔, 内蒙古 021008, 中国; 6.呼伦贝尔市国土资源信息中心, 呼伦贝尔, 内蒙古 021008, 中国
推荐引用方式 GB/T 7714	殷玲,张德平,成永会,等. 呼伦贝尔沙质草原表土物理力学性质[J],2015,35(4):930-936.
APA	殷玲.,张德平.,成永会.,靳立宁.,赵家明.,...&屈建新.(2015).呼伦贝尔沙质草原表土物理力学性质.中国沙漠,35(4),930-936.
MLA	殷玲,et al."呼伦贝尔沙质草原表土物理力学性质".中国沙漠 35.4(2015):930-936.