landslide in the excavation process

landslide in the excavation process - capuy-travel.de
Landslides are a natural process of the earth's surface, inevitably resulting from rainfall, earthquakes, and gravity , Landslides are part of a complex system of geologic interactions and hour) See R CAMPBELL, , External forces can increase due to excavation or ,In considering whether landslides are a constructive or destructive force we need ...
Landslides triggered by excavation in the loess plateau of ...
2019-3-1 · Furthermore, as excavation-induced landslides cannot be clearly identified in field investigation, the historical images of Google Earth have been taken into consideration for the identification of excavation-induced landslides. In this identification process, historical images of every landslide in the Loess Plateau have been carefully checked ...
A thrust load-caused landslide triggered by excavation of ...
2014-11-14 · This paper describes the slide mechanism of the Chaancun Landslide, which is the second largest landslide to have occurred in northeast China. The damage caused by the landslide poses a threat to a road with heavy traffic, endangers local residents, has created the potential for a reservoir dam-break, and may trigger other secondary disasters. The landslide
Landslide Types and Processes - USGS
2009-12-11 · parts of a landslide. TYPES OF LANDSLIDES The term “landslide” describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a com-bination of these. The materials may move by falling, toppling, sliding, spreading, or flowing.
Analysis of deformation mechanism of landslide in
2018-10-30 · Landslide evolution process. In August 2014, during the excavation of the highway project, sliding of the soil mass was observed in area II, which is located in the central part of the site, accompanied by the occurrence of crack 1 as shown in Fig. 1.At the same time, sliding of soil was also observed in the southern area III.
Study on stability of exit slope of Chenjiapo tunnel under ...
2021-8-21 · The exit slope of Chenjiapo Tunnel is located directly above the exit of Chenjiapo Tunnel on Enshi to Laifeng expressway. During the excavation of the exit of the right line of the tunnel, the left side of the front edge of the slope slips. Under the joint action of excavation and rainfall, a large landslide of 6.27 × 104 m3 and a huge unstable slope of 8.69 × 105 m3 are
(a) Tensile cracks developed in the middle of the ...
Excavation leads to unloading rebound and stress redistribution in the soil of a slope near the excavation face. The process of reequilibrium of the stress
Guide to Trench Excavations (Shoring Support and
2019-6-13 · a retaining wall collapsed killing 6 people and injuring 16 others. Trench excavation at the toe of the wall was found to be the main cause of the collapse. The study also found that a number of significant landslides in recent years, which resulted in injuries and serious social disruption, were related to trench excavations adjacent to slopes ...
Li HAIBO | Sichuan University, Chengdu | SCU | College of ...
The breaching of landslide dams is a severe geological disaster, and the resulting breaching floods significantly threaten people in downstream areas. ... During the excavation process of
Jia-Wen ZHOU | Doctor of Engineering | Sichuan University ...
The mass movement process of the 2017 Xinmo catastrophic landslide was simulated using the discreet element method (DEM). Field investigation
A thrust load-caused landslide triggered by excavation of ...
2014-11-14 · This paper describes the slide mechanism of the Chaancun Landslide, which is the second largest landslide to have occurred in northeast China. The damage caused by the landslide poses a threat to a road with heavy traffic, endangers local residents, has created the potential for a reservoir dam-break, and may trigger other secondary disasters. The landslide
What causes landslides to occur? - Western Forestry and ...
2019-4-17 · • Anthropogenic (i.e., excavation, etc.) • Some processes increase shear stresses. • Others decrease shear strength. • Generally, FS is defined as ratio of shear strength to ... • Identify the process for which slope stability analysis is
landslide | National Geographic Society
A landslide is the movement of rock, earth, or debris down a slope d section of land. Landslides are caused by rain, earthquake s, volcano es, or other factors that make the slope unstable . Geologist s, scientists who study the physical
Machine learning algorithms and techniques for landslide ...
2020-1-29 · Landslide is a process in which the soil or rock on a slope falls, dumps, slides, spreads or flows due to the influence of various factors [1]. In recent years, landslide hazards have caused serious loss of human life and property, therefore, severely constrained [2-5]
Reading: Landslide Types and Processes | Geology
The term “landslide” describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a combination of these. The materials may move by falling,
The Landslide Handbook— A Guide to Understanding
2008-11-13 · The Landslide Handbook— A Guide to Understanding Landslides By Lynn M. Highland, United States Geological Survey, and Peter Bobrowsky, Geological Survey of Canada
L. STABILIZATION OF SOIL SLOPES
landslides. As noted in Table 17-1, avoiding the landslide problem is an excellent approach if it is considered during the planning phase. However, a large cost may be involved if a landslide problem is detected after the location has been selected and the design completed. 5.1 Ancient Landslides Ancient landslides can be one of the most difficult
Techniques for Landslide Mitigation - GeoXchange
3. Drainage Techniques for Landslide Mitigation. Groundwater is one of the major contributors in triggering a landslide. Therefore, to hamper the initiation of a landslide proper drainage system is required to prevent erosion and potential slumping of the surface. There are various drainage techniques that help in the slope stabilization process.
Research on fibre Bragg grating monitoring in the gravel ...
2019-10-31 · After the landslide process finished, the wavelengths of FBGs on sensor01 and sensor02 are gradually stable again. 4.2 Second landslide experiment by forklift excavation. The second time we formed landslide by forklift excavation. The buried depth of sensors is about 1.35 m. The two FBGs of each steel bar sensor are all buried under the gravel ...
EXCAVATION (SHORING & SLOPING) SAFETY PROCEDURE
2018-5-6 · Excavation Safety Procedure Document Ref No: CSP/EXS/002 Rev 01 Date of Issue: 01/ 01/ 2016 6.3.2.1 For New Projects – The Project Manager/Site In-Charge shall be responsible for the co-ordination with all the departments and obtaining excavation clearance. 6.3.2.2 For Minor Projects & maintenance jobs - Excavation & trenching jobs both
Landslide Types and Processes - USGS
2016-11-30 · TYPES OF LANDSLIDES. The term "landslide" describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a combination of these. The
Study on Landslide Mechanism and Treatment Technology
Landslides can be divided into following categories: vault collapse, collapse, collapse, side wall cracking, the initial support of initial support and serious invasion of the ground collapse. Landslide case description: tunneling to ZK76+965, in the original advance ductule, under the support of excavation
A thrust load-caused landslide triggered by excavation of ...
2014-11-14 · This paper describes the slide mechanism of the Chaancun Landslide, which is the second largest landslide to have occurred in northeast China. The damage caused by the landslide poses a threat to a road with heavy traffic, endangers local residents, has created the potential for a reservoir dam-break, and may trigger other secondary disasters. The landslide
Landslide Evolution Rule of Cut Slopes in Expansive Soils
2014-1-3 · Landslide Evolution Rule of Cut Slopes in Expansive Soils Journal of Highway and Transportation Research and Development, 2014, 8(1): 13-20. ... the finite difference procedure FLAC is used to analyze the regularity of the excavation process of expansive soil slopes and obtain the displacement, stress, and strain. ...
What causes landslides to occur? - Western Forestry and ...
2019-4-17 · • Anthropogenic (i.e., excavation, etc.) • Some processes increase shear stresses. • Others decrease shear strength. • Generally, FS is defined as ratio of shear strength to ... • Identify the process for which slope stability analysis is
Landslide influence zone – a hidden hazard | Géotechnique
2020-12-16 · Normalised lateral forces requiring support during excavation within the landslide influence zone can be expressed as a function of the normalised distance from the landslide boundary using equation (54) for the elastic shearing zone, equation (58) for the process zone and the linear lateral force distribution for the fully softened zone
Techniques for Landslide Mitigation - GeoXchange
3. Drainage Techniques for Landslide Mitigation. Groundwater is one of the major contributors in triggering a landslide. Therefore, to hamper the initiation of a landslide proper drainage system is required to prevent erosion and potential slumping of the surface. There are various drainage techniques that help in the slope stabilization process.
landslide | Definition, Types, Causes, & Facts | Britannica
landslide, also called landslip, the movement downslope of a mass of rock, debris, earth, or soil (soil being a mixture of earth and debris). Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear
Frontiers | Landslide Susceptibility Zoning Using C5.0 ...
2021-12-9 · The main purpose of this study is to establish an effective landslide susceptibility zoning model and test whether underground mined areas and ground collapse in coal mine areas seriously affect the occurrence of landslides. Taking the Fenxi Coal Mine Area of Shanxi Province in China as the research area, landslide data has been investigated by the Shanxi Geological
Field investigation and numerical study of a siltstone slope ...
2020-4-17 · Numerical simulation results show that during the excavation process, large horizontal displacement occurs at the front edge of the slope, and the initial plastic zone develops, resulting in a shallow landslide.