Question

describe any four measure to prevent landslide​

Answer 1

Answer:

Measures against landslides

Stabilisation of landslide Bannholz after storm in 2005.

Personal measures

Reinforcement of floor slabs and external walls in existing buildings.

Installation of drainage pipes for rainwater, slope drainage.

Planting of slopes that are vulnerable to landslides with deep-rooted trees and shrubs.

Technical/biological measures

Drainage and/or grading of slope profiles increase the shear resistance

Supporting structures such as anchors and piles (pinning of the slip plane) can restrain landslides

Removal of material in the 'driving' section, or material deposition in the 'braking' section, can prevent further descent of the sliding body

Protective forest

Planning measures and local protection

The use of slopes prone to landslides must be avoided, or uses suitably modified

Hydraulic and electrical connections must be flexible.

Organisational measures

The relatively long advance warning period permits timely evacuation.

Explanation:

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Answer 2

According to IUGS WG/L, landslide remedial measures are arranged in four practical groups, namely: modification of slope geometry, drainage, retaining structures and internal slope reinforcement.