The dry unit weight of a sand sample in the loosest state is 13.34 kN/m³ and in the densest state, it is 21.19 kN/m³. Its grain specific gravity is 2.70 and has a porosity of 33%. 23. Determine the void ratio of the sand at the given porosity. b. 0.6493 a. 0.4925 C. 0.4241 d. 0.5256 24. Determine the relative density. b. 0.605 25. Find the relative compaction. а. 0.670 C. 0.655 d. 0.625 a. 95.67% b. 93.52% C. 83.12% d. 83.75%

The dry unit weight of a sand sample in the loosest state is 13.34 kN/m³ and in the densest state, it is 21.19 kN/m³. Its grain specific gravity is 2.70 and has a porosity of 33%. 23. Determine the void ratio of the sand at the given porosity. b. 0.6493 a. 0.4925 C. 0.4241 d. 0.5256 24. Determine the relative density. b. 0.605 25. Find the relative compaction. а. 0.670 C. 0.655 d. 0.625 a. 95.67% b. 93.52% C. 83.12% d. 83.75%

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

The dry unit weight of a sand sample in the loosest state is 13.34 kN/m³ and in the densest state, it is 21.19 kN/m³.
Its grain specific gravity is 2.70 and has a porosity of 33%.
23. Determine the void ratio of the sand at the given porosity.
b. 0.6493
а.
0.4925
C.
0.4241
d. 0.5256
24. Determine the relative density.
а.
0.670
b. 0.605
С.
0.655
d. 0.625
25. Find the relative compaction.
a.
95.67%
b. 93.52%
C.
83.12%
d. 83.75%

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