1. Use the general definitions to derive the relation between the Moist UnitWeight, Specific Gravity of Solids, Moisture Content, and Void Ratio:G,Y»(1+w)Y =1+eNote: Apply the Rule of Thumb2. Derive the relation between Moist Unit Weight, Specific Gravity of Solids,Degree of Saturation, and Void Ratio. (Hint: Use the relation G, · w = e · S)3. Derive an expression the buoyant unit weight (yp) in terms of the dry unitweight (Ya), the porosity (n), and the unit weight of water (yw).Yb = Yd + Yw(n – 1)

Answered: Image /qna-images/answer/f547e34c-d4df-498c-af37-ef28e04283e8.jpg

Answered: 1. Use the general definitions to…

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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QUESTION 17 A clay layer 15m thick is found at the bottom of a lake. The depth of the lake is 9m. The saturated density of the clay is p = 2Mg/m³, Calculate the effective vertical stress at the bottom of the clay layer. Cick Save nd Submit to save and submit. Click Saue All Ansuesto save all answers. hp 3.
An aluminum block (SG=2.5) has a dimension of 0.33 m x 0.33 m x h meters. It is floating in mercury (SG3D13.6) and the submerged height of the block is 0.6 m. Determine the weight (kN) of the block.
Scenario The concrete dam in the figure below is to be built on top of a soil whose profile consists of two horizontal layers of soil, each 5 ft thick. The depth to the groundwater table is approx. 6 feet. The dam is anticipated to weigh approx. 8200 psf, and will be 120 feet long (the dimension into and out of the page). The layers of the soil have the following properties: k (ft/s) unit weight (y) (pcf) void ratio (in-situ) Question #1. top 8.2 × 10-3 122 0.47 bottom 1.9 × 10-7 130 0.33 8 ft Water 10 ft D 20 ft I Impervious clay Concrete dam I I 1 ТВ 1 1 1 1 H 1 2 ft water
Which of the following statements is INCORRECT? O Sorptivity is a parameter in Philip's equation that is a function of the soil suction potential and hydraulic conductivity. O None of the choices O Swelling of soil can reduce the effective surface porosity. O The proportions of the solid particles in the soil determine the soil texture. O A substantial fraction of water in the soil can be held within smaller than larger particles.
Situation 2: Determine the formula for each item given below. 6. Saturated unit weight of soil. a. [(1 + n)G, + n]yw b. [(1 + n)Gs - n]yw 7. Unit weight of soil. a. (1- n)(1 – w)GsYw b. (1– n)(1 + w)G Yw c. [(1 - n)G, + n]yw d. [(1 - n)G, - n]yw c. (1 + n)(1 + w)G:Yw d. (1 + n)(1 – w)G:Yw 8. Moisture content of saturated soil. e a. G3(1-e) С. G;(1+n) d. G;(1-n) e n b. G3(1+e)
a. what is the effective size diameter? b. what is the uniformity coefficient? he following are the results of a sieve analysis. Sieve No. Opening Size (mm) Mass Retained (g) 4 4.750 28 10 2.000 42 20 0.850 48 40 0.425 128 60 0.250 221 100 0.150 86 200 0.075 40 Pan 24
SHOW COMPLETE SOLUTION PLS VALUES:X = 425Y = 25C = 1
Problem IV. Prove the given relation below; y'=Ya+Yw (n-1) Problem V. The mass of a wet sample of soil and its container is 0.34 kg. The dry mass of the soil and its container is 0.32 kg. The mass of the container is 0.06 kg and its volume is 0.19 x 10m³. Determine the following. a. The bulk, dry, and saturated unit weights of the soil. b. The void ratio and the degree of saturation. c. How much air vold is in the soil? d. The weight of water required to saturate 1 m³ of this soil
SHOW COMPLETE SOLUTION PLS VALUES:Y = 25A = 5
Refer to the figure for the details of the spread footing. Given: A=5.7 m B=8.2 m Axial load, P = 449 %3D Bending moments: Moment about x-axis = %3D 238 kN-m Moment about y-axis = %3D 201 kN-m
P = 313 kN show your solution
160 Chapter 6: Hydraulic Conductivity 6.8 The hydraulic conductivity, k of a soil is 0.832 x 10-5 cm/sec at a temper- ature of 20°C. Determine its absolute permeability at 20°C, given that at 20°C y = 9.789 kN/m³ and n = 1.005 × 10 3 N-s/m² (Newton-second per square meter).

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