Question

Groundwater (pore water) pressure acting to destabilize the slope

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

• Groundwater or pore water pressure is one of the natural causes which will destabilize the slope leading to landslides.
• When excessive rainwater seeps into the ground or soil, it pore water pressure increases and reduces the friction and cohesion of the slope materials and reduces the slope’s strength and destabilizes it.
• The hydrostatic pressure causes earth flows or down slopes which cause fine soil materials like clay, silt, pyroclastic, sand etc to flow at various speeds depending upon their water content.
• Bulges and fissures develop because of these slopes which destabilize the slope leading to landslides.