Answered: olume of Soil= 14.88 cubic cm Total…

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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2 The moist unit weight of a soil at 18.32% moisture is 17.23 kN/m3. Determine the mass of water (kg), per cubic meter, that must be added to reach full saturation. The specific gravity of soil solids is 2.63. Round off to two decimal places.
The moist unit weights and degrees of saturation of a soil sample are given as follows: a. Determine the specific gravity of the soil solidsb. Determine the porosity.c. Find the dry unit weight of soil
1+ wc For a given soil, show that: Ysat = n Yw We
Determine the water content of the soil with zero air voids and void ratio equal to 0.5. Take G=2.7
76 .ll Q3.png The data from standard and modified proctor test on a soil sample (density of solids: 2680 kg/m3 ) are provided below: Standard proctor test Modified proctor test Dry density (kg/m) 1691 Dry density (kg/m') 1873 Water content (%) Water content (%) 9.3 9.3 1715 11,8 1910 12.8 1755 14.3 1803 15.5 1747 17.6 1699 18.7 1685 20.8 1641 21.1 1619 23 a) Plot the compaction curves (both standard and modified in one graph). b) Establish the maximum dry density and optimum water content for each test.
Question 39 For a given soil, the following are given: Gs = 2.63; moist unit weight = 17.15 kN/m3, and moisture content = 10.86%. Determine the weight of water, in kN, to be added per cubic meter of soil to reach 84% degree of saturation. Round off to three decimal places.
Please solve this
3. If the specific gravity of the soil subjected to compaction is 2.70, a. Plot the compaction curve of the given data in the table below. Water content (%) Degree of Saturation, S (%) b. Determine the maximum dry unit weight and optimum water content. 4.2 5.1 7.8 10.1 12.2 28.9 60.1 69.8 74.6 19.8
1870 g of wet soil compacted into a mold with a volume of 1000 cm3. The soil is put into the oven and dried to a constant mass of 1678 kg. Gs=2.66 Define: a) water content (w) b) dry unit wight c) porosity d) degree of saturation e) saturated unit weight

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olume of Soil= 14.88 cubic cm Total weight of Soil = 28.81 grams Weight of dry Soil= 24.83 grams Gs= 2.7 1. Compute the moist density. 2. Compute the water co