What is the effect of preloading on the consolidation behavior of soft clay?
Practice Questions
1 question
Q1
What is the effect of preloading on the consolidation behavior of soft clay?
Increases immediate settlement
Reduces future settlement
Has no effect
Increases shear strength
Preloading reduces future settlement by accelerating the consolidation process and increasing the effective stress in the soil.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the effect of preloading on the consolidation behavior of soft clay?
Solution: Preloading reduces future settlement by accelerating the consolidation process and increasing the effective stress in the soil.
Steps: 6
Step 1: Understand what preloading means. Preloading is when extra weight is placed on soil before construction to help it settle.
Step 2: Know what consolidation is. Consolidation is the process where soil gradually compresses and settles over time due to applied loads.
Step 3: Learn about soft clay. Soft clay is a type of soil that can easily compress and settle when weight is applied.
Step 4: Recognize the effect of preloading. When preloading is applied, it helps the soft clay to settle faster than it would without preloading.
Step 5: Understand effective stress. Effective stress is the stress that contributes to soil strength and stability. Preloading increases this effective stress in the soil.
Step 6: Conclude that preloading helps reduce future settlement. By speeding up consolidation and increasing effective stress, preloading makes the soil more stable and reduces how much it will settle in the future.