The saturated unit weight of a soil is 12.9 kN/m³ at a moisture content of 12 %. The unit weight of water is = 9.81 kN/m³.a. Determine the dry unit weight.(Enter your answer to three significant figures.)7-11.51kN/m³b. Determine the specific gravity of soil solids, G,(Enter your answer to three significant figures.)G₁ =Gs=1.174 is NOT the correct

Given, Dry unit weight = 11.51 KN/m3 Unit weight of water = 9.81 KN/m3 Assume,…

Answered: Determine the specific gravity of soil…

Engineering

Civil Engineering

Determine the specific gravity of soil solids, G,.

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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1. The saturated unit weight of a soil is 13 kN /m° at a moisture content of 26 %. The unit weight of water is Y, = 9.81 kN /m³. a. Determine the dry unit weight. (Enter your answer to three significant figures.) Ya kN/m³ b. Determine the specific gravity of soil solids, G,. (Enter your answer to three significant figures.)
2. The moist weight of 5.56 × 10-3 m³ of a soil is 120.3 × 10-³ kN. The moisture content and the specific gravity of the soil solids are determined in the laboratory to be 10 % and 2.6, respectively. Calculate the following: a. Moist unit weight. (Enter your answer to three significant figures.) |kN/m³ b. Dry unit weight. (Enter your answer to three significant figures.) |kN/m³ c. Void ratio. (Enter your answer to three significant figures.) e = d. Porosity. (Enter your answer to three significant figures.) n = e. Degree of saturation. (Enter your answer to three significant figures.) S = |% f. Volume occupied by water. (Enter your answer to three significant figures.) Vu = dm³
Question 2 A soil has a water content of 25 %, a void ratio of 0.7, and a specific gravity of solids of 2.7. (a) On the phase diagram shown below, choose the total volume to be equal to one, and fill up all other quantities. Use Kg for mass and m³ for volume. Volume (m³) V₁ Vy Vw Vs AIR WATER SOLIDS Phase Diagram Mass (Kg) Mw X Ms (b) Use the phase diagram to calculate the following quantities. (i) total density (ii) dry density (iii) degree of saturation (iv) saturated density (assume no volume change) M₁
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
Take G=2.72
Calculate the bulk density (g/cc) of a soil using the following values; a. Weight of core= 150 g b. Weight of core + fresh soil= 230 g c. Moisture content of the soil= 12% d. Height of the core= 9.5 cm e. Diameter of the core= 4 cm * A. 0.65 B. 0.60 C. 0.55 D. 0.50
A 1.4-m3 sample of moist soil weighs 2600 kg. The water content is 14%. Assume ρs=2.70 Mg/m3. Fill in the phase diagram below (see image).
Please help, show all work, I don’t know how to do this!
435 grams of moist granular soil was tested in the laboratory and was found to have a specific gravity of soil solids of 2.65. If the air void ratio is approximated to be 16% and the volume of the solids is 116 cubic centimeters. Determine the following: a. Void ratio. b. Bulk density, g/cc. c. Amount of water to be added to attain saturated state, g. Given: Total Weight of Soil, W = 435 g Specific Gravity of Soil Solids, Gs = 2.65 Air void ration, na = 16% Volume of soil solids, Vs = 116 cc
A 0.400 m³ moist soil sample has the following: Moist mass = 721.2 kg Dry mass = 643.9 kg Specific gravity of soil solids = 2.68 Determine: a. Moisture content. (Enter your answer to three significant figures.) |% b. Moist density. |(Enter your answer to three significant figures.) p= c. Dry density. | kg/m³ (Enter your answer to three significant figures.) | kg/m³ Pa =| d. Void ratio. (Enter your answer to three significant figures.) e = e. Porosity. (Enter your answer to three significant figures.) n = 3.
Homework Chapter 3 31 Results from liquid and plastic limit tests conducted on soil are given below. No. of blows, N Moisture content (%) 14 38.4 16 36.5 20 33.1 28 27.0 If the plastic limit is PL = 13.4% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? Ans.: L.L = 29%, P.L = 15.6 3.2 Determine the liquidity index of the soil in Problem (1) if wWin situ = 32%. Ans.: L.I = 1.19% 3.3 Results from liquid and plastic limit tests conducted on soil are given below. No. of blows, N Moisture content (%) 13 18 27 22 If the plastic limit is PL = 19.1% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? Ans.: L.L = 23.6%, P.L = 4.5% 3.4 Determine the liquidity index of the soil in Problem (3) if win situ = 21% Ans.: L.I = 0.422% 3.5 A saturated soil used to determine the shrinkage limit has initial volume Vi = 20.2 cm3, final volume Vf = 14.3 cm3, the mass of wet soil M1 = 34 g, and mass of dry soil M2 =…
Situation 5 : A sample of saturated clay was placed in a container and weighed. The weight was 6N. The clay in its container was placed in an oven dray for 24 hours @ 105℃. The weight reduced to a constant weight of 5N. The weight of the container is 1N. If Gs = 2.7, determine: a. Water content b. Void ratio c. Moist unit weight d. Dry unit weight f. Effective unit weight