Question 3 For an unsaturated soil with specific gravity G₁ = 2.74, moist unit weight, y = 20.6 kN/m³, and moisture content, w = 16.6%, determine: dry unit weight, void ratio, porosity, degree of saturation, the weight of water, in kN, to be added per cubic metre of soil for 100% saturation, the weight of water, in kN, to be added per cubic metre of soil for 90% saturation.

Question 3 For an unsaturated soil with specific gravity G₁ = 2.74, moist unit weight, y = 20.6 kN/m³, and moisture content, w = 16.6%, determine: dry unit weight, void ratio, porosity, degree of saturation, the weight of water, in kN, to be added per cubic metre of soil for 100% saturation, the weight of water, in kN, to be added per cubic metre of soil for 90% saturation.

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

Sediment transport

Sediment transport or Soil transport is the movement of solid particles, usually due to the combination of gravitational forces acting on the sediment, and the movement of the liquid at which the sediment enters. Soil erosion occurs in natural systems where the particles are sandstones (sand, rocks), mud, or clay; the liquid is air, water, or ice; and the gravitational force that works to move particles to the landing surface. Sediment transportation or soil migration due to the movement of liquids occurs in rivers, lakes, lakes, oceans, and other bodies of water as a result of currents and waves. Transportation is also caused by glaciers as they flow, and to places on earth under the influence of wind. Soil erosion due to gravity alone is possible in most sloping areas, including hills, scarves, cliffs, and the continental shelf — the continental boundary of the slope.

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Given: An undisturbed chunk of soil has a wet weight of 73lbs and a volume of 0.65ft³. When dried out in an oven, the soil weighs 57lbs. The specific gravity of solids is found to be 2.9. Required: Determine: a. the water content (w), to the nearest tenth. b. wet unit weight of soil ('Y), to the nearest tenth. c. dry unit weight of soil ('Yd), to the nearest tenth. d. void ratio (e), to the nearest thousandth. e. porosity (n), to the nearest tenth. f. degree of saturation (S), to the nearest tenth.
Soil Mechanics (1) For a soil, the following are given: Specific gravity = 2.67, moist unit weight = 17.6 kN/m³, water unit weight = 9.81 kN/m3 and moisture content = 12 %. Determine (a) Dry unit weight, (b) Void ratio, (c) Porosity, (d) Degree of saturation
A moist soil has a volume of 0.0081 m³ and weighs 151.2 N. The oven dry weight of soil is 138.6 N. Assume Gs = 2.7 and find the following in requested units: a. water content, w (%) b. total unit weight, y (kN/m²) c. dry unit weight, yd(kN/m²) d. void ratio, e
A sample of soil has a volume of 0.57 ft³ and a weight of 57.30 lb. After being dried in an oven, it has a weight of 49.10 lb. It has a specific gravity of solids of 2.66. Compute its moisture content and degree of saturation before it was placed in the oven. Solution: ● ● ● Moisture content: @ = Unit weight of water is: %d Degree of saturation: S = = %; lb/ft³; %.
Subject is soils mechanics
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The moist mass of 0.1 ft^3 of soil is 12.5 lb. If the moisture content is 14% and the specific gravity of soil solids is 2.71, determine the following: a. Moist unit weight b. Dry unit weight c. Void ratio d. Porosity e. Degree of saturation f. Volume occupied by water
Problem 4 For a given soil, the following are given: G₁ = 2.67; moist unit weight, y = 112 lb/ft³; and moisture content, w= = 10.8%. Determine: a. Dry unit weight b. Void ratio c. Porosity. d. Degree of saturation
For a given soil, the following are given: Gs = 2.67; moist unit weight,y= 112 lb/ft3; and moisture content, w = 10.8%. Determine:a. Dry unit weightb. Void ratioc. Porosityd. Degree of saturation
Homework #2 The moist weight of 2.83 x 10- m of soil is 55.5 x 10- kN/m. If the moisture content is 14% and the specific gravity of soil solids is 2.71, determine the following: a. Moist unit weight b. Dry unit weight c. Void ratio d. Porosity e. Degree of saturation f. Volume occupied by water
Calculate the bulk density of a soil using the following values;a. Weight of fresh clod= 35 gb. Weight of paraffin clod= 38 gc. Weight of paraffin clod in water= 16 gd. Moisture content of the clod= 12% a. 1.67 b. 1.66 c. 1.65 d. 1.64
Q1: For a soil in natural state, given e =0.8, w=24% , and Gs=2.68 (a)determine the moist unit weight, dry unit weight and degree of saturation. (b) If the soil is made complecly saturated by adding water, what would its moisture content at that time ? Also find the saturated unit wieght.