Bearing Capacity - Applications for Competitive Exams

Bearing Capacity - Applications

Q. What is the effect of increasing the width of a foundation on its bearing capacity?

Solution

Increasing the width of a foundation generally increases its bearing capacity due to the larger area distributing the load over the soil.

Correct Answer: B — Increases bearing capacity

Q. What is the effect of water table rise on the bearing capacity of soil?

Solution

A rise in the water table typically decreases the effective stress in the soil, leading to a reduction in bearing capacity.

Correct Answer: B — Decreases bearing capacity

Q. What is the primary purpose of a soil bearing capacity test?

Solution

The primary purpose of a soil bearing capacity test is to evaluate the strength of the soil to ensure it can support the intended loads.

Correct Answer: C — To evaluate soil strength

Q. What is the primary purpose of site investigation in relation to bearing capacity?

Solution

The primary purpose of site investigation is to evaluate subsurface conditions, which is essential for determining the bearing capacity of the soil.

Correct Answer: C — To evaluate subsurface conditions

Q. Which of the following factors is most critical in the design of retaining walls?

Solution

Hydrostatic pressure is a critical factor in the design of retaining walls, as it exerts lateral forces that the wall must resist.

Correct Answer: B — Hydrostatic pressure

Q. Which of the following is NOT a method for improving bearing capacity?

Solution

Increasing the load on a foundation does not improve bearing capacity; rather, it can lead to failure if the load exceeds the soil's capacity.

Correct Answer: C — Increasing load

Q. Which type of foundation is most suitable for weak soils with low bearing capacity?

Solution

Deep foundations are most suitable for weak soils as they transfer loads to deeper, more stable soil layers.

Correct Answer: B — Deep foundation

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