scholarly journals Prevention Areas of Steep Slope Failure and Landslide in the Central Miura Peninsula

Landslides ◽  
1999 ◽  
Vol 36 (1) ◽  
pp. 43-48_1 ◽  
Author(s):  
Yasushi NAKAYAMA
Keyword(s):  
Slope Failure ◽  
Steep Slope

Hydrological Environment in Subsurface Steep Slope - Groundwater Flow Passageway on Slope Behind Kiyomizudera -

2011 ◽  
Vol 6 (1) ◽  
pp. 80-87 ◽  
Author(s):  
Junko Nakaya ◽  
◽  
Kazunari Sako ◽  
Shunsuke Mitsutani ◽  
Ryoichi Fukagawa ◽  
...  
Keyword(s):  
Cultural Heritage ◽  
Groundwater Flow ◽  
Water Flow ◽  
Slope Failure ◽  
Field Studies ◽  
Steep Slope ◽  
Ground Temperature ◽  
Mountain Slope ◽  
Anomalous Temperature ◽  
Hydrological Environment

The hydrological environment must be understood before water flow can be adequately controlled to prevent slope failure without impacting unduly on the hydrological mountain slope environment. We conducted field studies to determine current sites and measurement of ground temperature 1 meter deep to clarify groundwater flow passageways on the slope behind the cultural heritage temple Kiyomizudera in Kyoto. Results showed anomalous temperature 1 meter deep bands on the slope and several springs that are extensions of these bands. Several of these bands coincide with terrain deformations such as gullies and slope failure scars indicating the probability of relationships between groundwater flow and topological deformation.

scholarly journals Experimental Study on a Mechanism of the Steep Slope Failure.

Landslides ◽  
1996 ◽  
Vol 32 (4) ◽  
pp. 1-8 ◽  
Author(s):  
Katsuo SASAHARA ◽  
Kazushige EBIHARA ◽  
Ryousuke TSUNAKI
Keyword(s):  
Experimental Study ◽  
Slope Failure ◽  
Steep Slope

scholarly journals Analysis of Model Tests of Rainfall-Induced Soil Deposit Landslide

2020 ◽  
Vol 2020 ◽  
pp. 1-13
Author(s):  
JianJun Gan ◽  
Y. X. Zhang
Keyword(s):  
Water Content ◽  
Slope Failure ◽  
Water Pressure ◽  
Slope Angle ◽  
Pressure Sensors ◽  
Model Tests ◽  
Steep Slope ◽  
Soil Pressure ◽  
Deformation And Failure ◽  
Weak Layer

A large number of deposit landslides are induced by rainfall, and those with different weak layers may be subject to catastrophic failure. This research investigates the rainfall infiltration effect on the stability of deposit landslides with a weak layer at different slope angles. Four rainfall physical model tests were conducted with fixed double penetration artificial rainfall technique and dynamic sensor technologies by using the rainfall test methods as modified in the paper. Deformation and mechanics parameters, as well as water content parameters in the key position in the deposit landslide, were monitored by means of various displacement monitoring sensors, dynamic soil pressure sensors, pore water pressure (PWP) monitoring sensors, and water content sensors. The results show that, under the same rainfall conditions, the rule of displacement and mechanical changes of deposit slope with different angles are similar, that the displacement, soil pressure, and PWP are characterized by two stages of rising and falling, and that the displacement of deposit slope with weak layer remains creep after rainfall. In addition, the displacement at the rear edge of the slope with a small angle is larger than that at the front of the steep slope, but the displacement in the front of the slope is opposite. Furthermore, the slope with a smaller angle is prone to form a tensile crack in the back of the slope, and its deformation and failure have the characteristics of a progressive and thrust-type landslide. While the failure in front of a steep slope (slope angle more than 60°) occurred first, the slope failure was characterized by sudden and retrogressive modes. The mathematical analysis of the model is also conducted which shows that deformation and failure can be divided into three stages, i.e., creep inoculation, accumulation uplift, and speed-up sliding. The test results can provide a reference for the investigation, design, and assessment of similar deposit slopes.

scholarly journals Creep movement and steep-slope failure in Kanto region.

Landslides ◽  
1985 ◽  
Vol 21 (4) ◽  
pp. 37-41
Author(s):  
Yasushi NAKAYAMA ◽  
Teruyuki NISHIJIMA
Keyword(s):  
Slope Failure ◽  
Steep Slope ◽  
Kanto Region

Fabrication of a Slope Failure Prediction Sensor using Miniaturized EC Sensor

2013 ◽  
Vol 133 (9) ◽  
pp. 278-283 ◽  
Author(s):  
Masato Futagawa ◽  
Mitsuru Komatsu ◽  
Hikofumi Suzuki ◽  
Yuji Takeshita ◽  
Yasushi Fuwa ◽  
...  
Keyword(s):  
Slope Failure ◽  
Failure Prediction
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