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Soil Performance Analysis Essay

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PERFORMANCE ANALYSIS

5.1 FIELD DATA COLLECTED AT CHHINKA VILLAGE

Geotechnical tests for collected soil sample

Geotechnical characteristics of soil play an important role in finding characteristic parameters of unstable slopes and ultimately in the preventive measures of landslide hazard. Hence, the task of generating the reliable and accurate geotechnical data is of paramount importance for a construction manager working on unstable slopes.

The soil sample collected from selected active landslide zones is tested to investigate different geotechnical parameter. Some of the important tests are carried out as follows:

5.1.1 Water content of soil sample:

It is the ratio expressed as percentage of weight of water in given soil mass to the …show more content…

Permeability is a measure of the ease in which water can flow through a soil volume. It is one of the most important geotechnical parameters. However, it is probably the most difficult parameter to determine. In large part, it controls the strength and deformation behaviour of soils. It directly affects the quantity of water that will flow toward an excavation.

This property is very helpful in landslide detection and prevention. By knowing the permeability one can define the type of soil and its stability behaviour. Cohesion less soil always show high permeability while cohesive soil shows low permeability and high compressive strength but at a particular value the stability structure of cohesive soil crumbles giving rise to slope failure.

Observations: 1) Diameter of stand pipe (d) = 2 cm

2) Length of sample (L) = 12.73 cm

3) Diameter of sample (D) = 10

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