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Questions and Answers
Which of the following is the purpose of a retaining wall?
Which of the following is the purpose of a retaining wall?
- To prevent soil erosion
- To support soil laterally (correct)
- To retain water on the backside
- To create a slope in the landscape
What is the definition of a retaining wall?
What is the definition of a retaining wall?
- A wall that retains water on the frontside
- A structure designed to restrain soil to a slope
- A wall that holds in place a mass of earth (correct)
- A freestanding structure without lateral support
What happens to the size of the sliding wedge as the setback of the wall increases?
What happens to the size of the sliding wedge as the setback of the wall increases?
- The size of the sliding wedge remains the same
- The size of the sliding wedge increases
- The size of the sliding wedge is not affected by the setback
- The size of the sliding wedge decreases (correct)
Which technique involves the insertion of slender elements, such as steel reinforcing bars, into soil slopes or retaining walls?
Which technique involves the insertion of slender elements, such as steel reinforcing bars, into soil slopes or retaining walls?
Which technique uses wire mesh "boxes" filled with roughly cut stone or other material to reduce internal movement and forces?
Which technique uses wire mesh "boxes" filled with roughly cut stone or other material to reduce internal movement and forces?
Which technique involves the use of artificial reinforcing via layered horizontal mats fixed at their ends?
Which technique involves the use of artificial reinforcing via layered horizontal mats fixed at their ends?
Which technique involves the use of geocells for steep earth stabilization in gravity and reinforced retaining walls?
Which technique involves the use of geocells for steep earth stabilization in gravity and reinforced retaining walls?
Which type of retaining wall relies on its mass to resist pressure from behind and may have a 'batter' setback to improve stability?
Which type of retaining wall relies on its mass to resist pressure from behind and may have a 'batter' setback to improve stability?
What type of retaining wall uses an internal stem of steel-reinforced, cast-in-place concrete or mortared masonry and cantilevers loads to a large, structural footing?
What type of retaining wall uses an internal stem of steel-reinforced, cast-in-place concrete or mortared masonry and cantilevers loads to a large, structural footing?
Which type of retaining wall is very stiff and generally watertight?
Which type of retaining wall is very stiff and generally watertight?
Which type of retaining wall is usually used in soft soil and tight spaces, and is composed of materials like steel, vinyl, aluminum, fiberglass, or wood planks?
Which type of retaining wall is usually used in soft soil and tight spaces, and is composed of materials like steel, vinyl, aluminum, fiberglass, or wood planks?
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