What are the types of slope movement?
The types of movement include falls, topples, slides, lateral spreads, flows, and combinations of these types of movement, which are referred to as complex.
What is varnes classification of landslides?
VARNES´ CLASSIFICATION OF SLOPE MOVEMENTS Falls are abrupt movements of. masses of geologic materials, such as rocks and boulders, that become detached from steep slopes or cliffs.
What are the varnes classification?
The five kinematically distinct types of movement are described in the sequence fall, topple, slide, spread and flow. Combining the two terms gives classifications such as Rock fall, Rock topple, Debris slide, Debris flow, Earth slide, Earth spread etc. Varnes, D. J. 1978.
What are the different classification of landslide?
Types and classification
| Type of movement | Type of material | |
|---|---|---|
| Bedrock | ||
| Topples | Rock topple | |
| Slides | Rotational | Rock slump |
| Translational | Rock block slide |
What are the most common types of slope processes?
These include soil creep, landslides, mudflows, debris flows, debris avalanches, earthflows, debris slides, rock slides, slumps and rockfalls.
What are the two general categories that classify slope remediation measures?
5.1 Introduction. Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. For maximum effect, both components must be integrally planned prior to road construction.
What is the varnes system?
The system of landslide classification devised by the late D.J. Varnes has become the most widely used system in the English language (Varnes 1954, 1978; Cruden and Varnes 1996). Type of material is one of the most important factors influencing the behavior of landslides.
What landslide devastated Brgy Guinsaugon in Southern Leyte?
slide-debris avalanche
On the 17th of February 2006, a massive rock slide-debris avalanche occurred in the Philippine province of Southern Leyte, causing widespread damage and loss of life….2006 Southern Leyte mudslide.
| Location | Guinsaugon, Saint Bernard, Southern Leyte, Philippines Southern Leyte province Southern Leyte province (Philippines) |
| Casualties |
|---|
What is landslide Slideshare?
Definition A landslide, also known as a landslip, is a geological phenomenon that includes a wide range of ground movements, such as rock falls, deep failure of slopes and shallow debris flows. Landslides can occur in offshore, coastal and onshore environments.
Is a type of landslide involving the movement of material down a slope in fluid form?
Flows. Flows are landslides that involve the movement of material down a slope in the form of a fluid. Flows often leave behind a distinctive, upside-down funnel shaped deposit where the landslide material has stopped moving. There are different types of flows: mud, debris and rock (rock avalanches).
How many modes of slope movement are there list all?
Landslides are a type of “mass wasting,” which denotes any down-slope movement of soil and rock under the direct influence of gravity. The term “landslide” encompasses five modes of slope movement: falls, topples, slides, spreads, and flows.
What are the methods of slope treatment?
2. Construction Techniques of Slope Stabilization
- 1 Rock bolts and Anchors. The most beneficial supports are rock bolts and anchors as they protect blocks of rock from sliding away from the discontinuity planes.
- 2 Steel Rods.
- 3 Shotcrete.
- 4 Grouting.
Which is the best description of a Varnes fall?
VARNES´ CLASSIFICATION OF SLOPE MOVEMENTS. Fallsare abrupt movements of masses of geologic materials, such as rocks and boulders, that become detached from steep slopes or cliffs. Separation occurs along discontinuities such as fractures, joints, and bedding planes, and movement occurs by free-fall, bouncing, and rolling.
What are the different types of slope movements?
Group III is subdivided into translational slides (5), rotational slips (6), falls (7), and subaqueous slides (8). In Czechoslovakia, Nemcok, Pasek and Rybâr (1972) have endeavoured to improve the classification and terminology of slope movements.
How are slope movements divided in pre Quaternary bedrock?
Slope movements in the pre-Quaternary bedrock are divided according to the character of the rocks and the type of movement.
How are slope movements influenced by the time factor?
The formation and history of slope movements are both greatly influenced by the time factor. Since some agents change with time, every mass movement undergoes a gradual development. At first, indications of the disturbance of equilibrium will appear, i.e. fissures form in the upper part of the slope.