Three sets of compaction data are given below. Assume that the density of solids is ps= 2.64Mg/m', and answer and/or compute the following:a) Plot the compaction curves of each in Excel, along with the zero air voids (ZAV) curve.Soil ASoil BSoil Cpa (Mg/m³) » (%) pa (Mg/m³) @ (%) pa (Mg/m³) o (%)9.31.6911.8739.31.62710.91.91012.81.71511.81.63912.31.80315.51.75514.31.74016.31.69918.71.74717.61.70720.11.64121.11.68520.81.64722.41.61923.0

Formula for zero air void density:(ρd)ZAV=Gρw1+Gw

Answered: Three sets of compaction data are given…

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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3. The following are the results of a field unit weight determination test performed on the soil by means of the sand cone method. Calibrated dry density of Ottawa sand = 1570 kg/m³ Calibrated mass of Ottawa sand to fill the cone = 0.545 kg Mass of jar + cone + sand (before use) = 7.59 kg Mass of jar + cone + sand (after use) = 4.78 kg Mass of moist soil dug from hole = 3.007 kg Water content of moist soil = 10.2% Max dry unit weight = 19 kN/m³ a. Determine the moist unit weight of compacted soil in kN/m³. b. Find the dry unit weight in kN/m³. c. Compute the relative compaction in the field.
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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
Table 1 below is the result of compaction results. Please evaluate the correct combination of missing data. Table 1: Compaction test results Water content (%) 8.00 III IV Bulk Density II 2.35 2.09 (Mg/m³) Dry Density (Mg/m³) 1.89 2.08 1.76 || A B Answer A B с D I 5.00 1.87 I 1.68Mg/m³ 1780kg/m³ 1.80Mg/m³ 1.78Mg/m³ 2.04Mg/m³ 2.08Mg/m³ 2080kg/m³ 2040kg/m³ III 13% 11% 12% 13% 16.00 2.20 1.90 IV 19% 20% 19% 19%
Given below is the result of a sieve analysis done on a soil sample. Sieve No. Diameter Percent Passing % 4 4.750 96 10 2.000 81 20 0.850 72 40 0.425 50 60 0.250 27 100 0.150 14 200 0.075 5 Pan --- 0 Determine the value of the coefficient of gradation/curvature.
Q# 2. The following are the results of a consolidation test on a sample of a clayey soil Pressure, o' (kN/m²) 1.116 25 1.108 50 1.055 100 0.962 200 0.845 400 0.755 800 0.65 1600 0.658 800 0.675 400 0.685 200 a Plot the e, log o' curve. b. Using Casagrande's method, determine the pretonsolidation pressure. Calculate the compression index, C, and the ratio of C/C. C. (Note: Use excel for calculation and drawing. Discuss the details in your own words.)
2.8 2.7 The following are the results of a sieve and hydrometer analysis. Sieve number/ grain size Analysis Sieve Hydrometer Analysis Sieve 40 80 170 200 0.04 mm 0.02 mm 0.01 mm 0.005 mm 0.0015 mm Hydrometer Sieve number/ grain size Percent finer than a. Draw the grain-size distribution curve. b. Determine the percentages of gravel, sand, silt, and clay according to the MIT system. c. Repeat Part b according to the USDA system. d. Repeat Part b according to the AASHTO system. Repeat Problem 2.7 with the following data: 20 30 40 60 80 200 0.05 mm 0.03 mm 0.015 mm 0.006 mm 0.004 mm 0.0015 mm 100 96 85 80 59 39 26 15 8 Cengage Learning 2014 Percent finer than 100 96 90 76 65 34 27 19 11 7 6 5 Ⓒ Cengage Learning 2014
A soil sample weighing 455 grams when brought from the field in a cylinder of 300 cm3 volume, weighed 375 grams when dried. The soil particles displaced 145 cm3 of water. Determine the particle density and and real specific density ; bulk density and apparent specific density ; moisture content wet & dry wt basis and volumetric basis
The following data are the results of a sieve analysis. Determine the percentage of silt and clay combined using Unified Classification System. Mass of soil Sieve no. Opening retained (mm) on each sieve 4 4.75 21.5 10 2 18.5 20 0.85 53.2 40 0.425 90.5 60 0.25 81.8 100 0.15 92.2 200 0.075 58.5 Pan 26.5 Select one: а. 19 b. none of the choices С. 6 d. 17 e. 58
From the given data, shows a sieve analysis of soil samples A, B and C. SOIL SAMPLE B PERCENT PASSING 100 90 77 59 51 42 35 33 Sieve No. Diam. (mm) # 4 # 8 #10 #20 #40 #60 #100 # 200 4.760 2.380 2.000 0.840 0.420 0.250 0.149 0.074 Characteristics of 40 Fraction 90 100 64 54 34 22 17 9. 100 98 92 84 79 70 63 LL PL 46 29 47 24 Classify the soil sample A using USCS Method Classify the soil sample B using AASHTO Method a Classify the soil sample C using AASHTO Method,
J

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Three sets of compaction data are given below. Assume that the density of solids is ps= 2.64 Mg/m', and answer and/or compute the following: a) Plot the compaction curves of each in Excel, along with the zero air voids (ZAV) curve.