DISTRIBUTION CHARACTERISTICS AND INDUCING FACTORS OF LOESS LANDSLIDE IN MAIJI MAPPABLE UNIT, TIANSHUI

TIAN You; YANG Wei-min; HUANG Xiao; LIU Ting; LI Hao; XIANG Ling-zhi; CHENG Xiao-jie

Volume 22 Issue 1

Mar. 2016

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TIAN You, YANG Wei-min, HUANG Xiao, et al., 2016. DISTRIBUTION CHARACTERISTICS AND INDUCING FACTORS OF LOESS LANDSLIDE IN MAIJI MAPPABLE UNIT, TIANSHUI. Journal of Geomechanics, 22 (1): 25-38.

Citation:

TIAN You, YANG Wei-min, HUANG Xiao, et al., 2016. DISTRIBUTION CHARACTERISTICS AND INDUCING FACTORS OF LOESS LANDSLIDE IN MAIJI MAPPABLE UNIT, TIANSHUI. Journal of Geomechanics, 22 (1): 25-38.

Citation:

TIAN You, YANG Wei-min, HUANG Xiao, et al., 2016. DISTRIBUTION CHARACTERISTICS AND INDUCING FACTORS OF LOESS LANDSLIDE IN MAIJI MAPPABLE UNIT, TIANSHUI. Journal of Geomechanics, 22 (1): 25-38.

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DISTRIBUTION CHARACTERISTICS AND INDUCING FACTORS OF LOESS LANDSLIDE IN MAIJI MAPPABLE UNIT, TIANSHUI

TIAN You^{1, 2
,},
YANG Wei-min^{1
,
,},
HUANG Xiao³,
LIU Ting^{1, 2},
LI Hao^{1, 2},
XIANG Ling-zhi⁴,
CHENG Xiao-jie¹

1.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
2.
School of Geosciences and Resources, China University of Geosciences, Beijing 100083, China
3.
College of Huihua, Heibei Normal University, Shijiazhuang 050091, China
4.
Chongqing Jiaotong University, Chongqing 400074, China

More Information

Received: 2015-04-15
Published: 2016-03-01

Abstract

Abstract

According to field investigation and lab data statistics, a statistical classification is conducted on 438 loess landslides in which the volume is more than 1×10⁴ m³ in MaiJi mappable unit.It shows that the characteristics of loess landslides are asymmetrical development in space and multiple stages in time. It is mainly reflected in the following ways: the distribution of loess landslides is inhomogeneous in regional, many differences appear in the average thickness of landslide in each region, landslides distribution is banded asymmetrical along the valleys, most landslides develop on the slopes with 15°—30°. Loess landslides in the MaiJi mappable unit are controlled by geological structure, topography and formation lithology. And Loess landslides are majorly induced by rainfall and earthquake.
- MaiJi mappable unit,
- loess landslides,
- classification,
- distribution characteristics,
- inducing factor

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References(31)

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