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Questions and Answers
What is a collapsible soil?
What is a collapsible soil?
- A soil that exhibits a large decrease in strength at moisture contents approaching saturation (correct)
- A soil that has no impact on volume change when saturated
- A soil that exhibits a large increase in strength at moisture contents approaching saturation
- A soil that remains stable and unaffected by moisture contents approaching saturation
What are collapsible soils also known as?
What are collapsible soils also known as?
- Metastable soils (correct)
- Unstable soils
- Solid soils
- Stable soils
What factors are needed to produce collapse in a soil structure?
What factors are needed to produce collapse in a soil structure?
- Low moisture content and high net total stress
- High net total stress and stable structure
- Stable fabric and low net total stress
- Open, partially unstable, unsaturated fabric and high net total stress (correct)
In what type of regions are collapsible soils typically encountered?
In what type of regions are collapsible soils typically encountered?
What is primarily related to the collapse phenomenon of collapsible soils?
What is primarily related to the collapse phenomenon of collapsible soils?
What is the effect of the addition of water to collapsible soil?
What is the effect of the addition of water to collapsible soil?
What is the primary factor contributing to the collapse of weak soils when water is added?
What is the primary factor contributing to the collapse of weak soils when water is added?
Which of the following is NOT a factor influencing the amount of collapse in weak soils when water is provided?
Which of the following is NOT a factor influencing the amount of collapse in weak soils when water is provided?
How can the load-bearing capacity of weak soils be improved?
How can the load-bearing capacity of weak soils be improved?
What characteristic makes collapsible soils unsuitable for any types of foundations or pavements in their original or natural conditions?
What characteristic makes collapsible soils unsuitable for any types of foundations or pavements in their original or natural conditions?
What is essential once a soil shows indications of collapse potential?
What is essential once a soil shows indications of collapse potential?
Which method has shown significant reduction in the settlement of collapsible soils?
Which method has shown significant reduction in the settlement of collapsible soils?
In what cases are strip foundations commonly used?
In what cases are strip foundations commonly used?
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