Biopolymer Stabilization Techniques Quiz

What are the favourable characteristics of biopolymers?

• Increases the viscosity of fluids

• Bio clogging property

• Reduces the permeability

• Enhances the strength

• Eco-friendly and renewable material

What are common biopolymers used in soil stabilization?

• Chitosan

• Gellan gum

• Sodium alginate

• Guar gum

• Xanthan gum

What is the optimum content of Xanthan gum in clayey silt?

• 1%

• 2%

• 3%

• 4%

What is the result of using β -1,3/1,6- glucan in Korean residual soil?

• Enhances the unconfined compressive strength

• Decreases permeability

• Increases shear modulus

• No effect

What is the effect of Xanthan gum on the UCS of clay?

• Increases UCS

• Decreases UCS

• No effect

• Varies with soil type

What is the effect of Guar gum on silty sand?

• Increases permeability

• Decreases permeability

• No effect

• Increases cohesion

What is the optimum content of Sodium Alginate in poorly graded sand?

• 0.4%

• 1%

• 2%

• 3%

What is the result of using Xanthan gum in desert sand?

• Increases UCS

• Decreases UCS

• No effect

• Increases permeability

What is the effect of Xanthan gum on the 'c' value of sand?

• Increases 'c' value

• Decreases 'c' value

• No effect

• Varies with soil type

What is the effect of xanthan gum on the 'c' value of sandy soil?

• Increases the 'c' value

• Decreases the 'c' value

• No effect on the 'c' value