Podcast
Questions and Answers
What is the result of water entering between the sheets of the units described in the text?
What is the result of water entering between the sheets of the units described in the text?
- They become stronger
- They become more rigid
- They expand readily (correct)
- They shrink in size
Which method is used for the determination of swelling potential in the text?
Which method is used for the determination of swelling potential in the text?
- Linear shrinkage test
- Atterberg limits test
- Oedometer test (correct)
- Swell pressure test
What percentage of montmorillonite mineral in soils can lead to swelling problems?
What percentage of montmorillonite mineral in soils can lead to swelling problems?
- Exactly 20%
- Less than 10%
- More than 20% (correct)
- Between 10% and 20%
What does the activity method determine in the text?
What does the activity method determine in the text?
What do diagonal cracks around window and door openings indicate according to the text?
What do diagonal cracks around window and door openings indicate according to the text?
What is the main characteristic of expansive soils?
What is the main characteristic of expansive soils?
Which mineral is highly expansive among montmorillonite, kaolonite, and illite?
Which mineral is highly expansive among montmorillonite, kaolonite, and illite?
What is the estimated aerial coverage of expansive soils in Ethiopia?
What is the estimated aerial coverage of expansive soils in Ethiopia?
What type of structure is particularly susceptible to damage from expansive soils?
What type of structure is particularly susceptible to damage from expansive soils?
Which type of rock mainly forms montmorillonite?
Which type of rock mainly forms montmorillonite?
What causes expansive soils to swell and shrink?
What causes expansive soils to swell and shrink?
Which natural hazard can expansive soils cause more damage to, according to the text?
Which natural hazard can expansive soils cause more damage to, according to the text?
What is the main characteristic of montmorillonite mineral?
What is the main characteristic of montmorillonite mineral?
Which type of rock mainly forms kaolonite and illite minerals?
Which type of rock mainly forms kaolonite and illite minerals?
What is the estimated aerial coverage of expansive soils in Ethiopia?
What is the estimated aerial coverage of expansive soils in Ethiopia?
What is the result of structures not being designed to withstand the stresses and strains caused by expansive soils?
What is the result of structures not being designed to withstand the stresses and strains caused by expansive soils?
What is the swelling potential defined as in the text?
What is the swelling potential defined as in the text?
What do diagonal cracks around window and door openings indicate according to the text?
What do diagonal cracks around window and door openings indicate according to the text?
What is the most well known example of expansive soils mentioned in the text?
What is the most well known example of expansive soils mentioned in the text?
What is the swelling pressure defined as in the text?
What is the swelling pressure defined as in the text?
What is used for the determination of swelling potential according to the text?
What is used for the determination of swelling potential according to the text?
What is the relation between the swelling potential of clays and the plasticity index based on the text?
What is the relation between the swelling potential of clays and the plasticity index based on the text?
What does black cotton soil look like?
What does black cotton soil look like?
What is the structure similar to that of expansive soils according to the text?
What is the structure similar to that of expansive soils according to the text?
What characteristic causes swelling problems in soils according to the text?
What characteristic causes swelling problems in soils according to the text?
What method provides information on the amount of heaving that is to be anticipated?
What method provides information on the amount of heaving that is to be anticipated?
