Problem 1 (b) Circle the correct answer S points) 1. For a soil, Y.ma,-120 pcf w

Question

Problem 1 (b) Circle the correct answer S points) 1. For a soil, Y.ma,-120 pcf with OMC-15%. Estimate the relative compaction for a field test where bulk unit weight, Ybulk-118 pcf and w-15% (a) 98% (b) 86% (c) 8890 (d) 100% 2. If the groundwater table fluctuates, but it remains below the ground level, the effective stress at any point below the groundwater table (a) increases with a rise of the groundwater table (b) decreases with a rise of the groundwater table. (c) tends to become zero with a rise of the groundwater table. (d) remains constant with a rise or fall of the groundwater table.

Explanation / Answer

(1) Answer:- (a) 98%

Solution:-

Relative compaction = (118 /120)*100

Relative compaction = 98%

(2) Answer:- (c ) Tends to become zero with a rise of ground water table.

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