What is the primary objective of geotechnical engineering?
Geotechnical engineering focuses on analyzing soil and rock behavior to design stable foundations and earth structures.
What test is commonly used to determine soil shear strength?
The direct shear test measures the resistance of soil against shearing forces.
What does the standard penetration test (SPT) measure?
SPT estimates soil density and strength by measuring resistance to penetration.
What is liquefaction in geotechnical risk assessment?
Liquefaction is a process where saturated soils lose strength during shaking and behave like a liquid.
What role does slope stability analysis play?
It assesses the risk of landslides and designs measures to prevent slope failure.
Why is foundation design critical in geotechnical engineering?
A proper foundation ensures structural stability and safety by distributing loads to suitable soil layers.
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What is the significance of soil permeability testing?
It measures how easily water can flow through soil, affecting drainage and foundation design.
What is the purpose of a risk assessment in geotechnical engineering?
To identify, analyze, and mitigate potential hazards affecting construction safety and performance.
What is a retaining wall used for in geotechnical engineering?
Retaining walls stabilize slopes and prevent soil erosion or landslides.