Preview Questions Geotechnical Engineer | Role Specific Skill

Question 1: What is the main purpose of a seismic risk assessment for a construction site?

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To determine the visual impact of an earthquake on surrounding areas

To identify potential seismic hazards and design appropriate mitigation measures

To evaluate the amount of soil needed for excavation

To estimate the aesthetic appearance of foundations after earthquakes

Question 2: How does the presence of a perched water table influence foundation design in geotechnical engineering?

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It allows for the use of shallow foundations due to the higher water table

It has no significant effect on foundation design unless the site is in a floodplain

It requires careful design of dewatering systems and may require deeper foundations to ensure stability

It only affects the type of materials used for foundation construction

Question 3: How does the depth of soil layers affect the earthquake-induced settlement on a construction site?

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Deeper layers may lead to more significant settlement during seismic events

Shallow soils cause higher shear strength

Soil depth does not significantly affect earthquake settlement

Deeper soils result in less movement under seismic conditions

Question 4: How does soil consolidation affect ground stability in cohesive soils under heavy construction loads?

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Decreased settlement due to consolidation

No significant impact on stability

Increased shear strength due to moisture reduction

Increased settlement due to pore pressure buildup

Question 5: Why is it important to conduct in-situ soil testing rather than relying solely on laboratory test results for foundation design?

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In-situ testing is only necessary for fine-grained soils

In-situ testing provides real-world data that accounts for site-specific conditions, improving design accuracy

Laboratory tests provide more reliable data than in-situ testing

In-situ testing is faster and cheaper than laboratory testing

Question 6: What is the significance of conducting a groundwater risk assessment in flood-prone areas?

Which action should you take?

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It determines the effect of water temperature on foundation materials

It only evaluates the groundwater content for landscaping purposes

It helps determine potential groundwater movement and flooding risks that could affect foundation stability and integrity

It helps estimate the aesthetic appearance of the site during flood events