The laboratory test data for a standard Proctor test are given below. Volume of Moisture content Mass of wet soil in the mold (kg) Proctor mold (%) (ст3) 943.3 1.65 10 943.3 1.75 12 943.3 1.83 14 943.3 1.81 16 943.3 1.76 18 943.3 1.70 20 a) Find the maximum dry unit weight and optimum moisture content. b) Calculate the zero-air-void unit weights for a soil with G =2.68 at moisture content of

The laboratory test data for a standard Proctor test are given below. Volume of Moisture content Mass of wet soil in the mold (kg) Proctor mold (%) (ст3) 943.3 1.65 10 943.3 1.75 12 943.3 1.83 14 943.3 1.81 16 943.3 1.76 18 943.3 1.70 20 a) Find the maximum dry unit weight and optimum moisture content. b) Calculate the zero-air-void unit weights for a soil with G =2.68 at moisture content of

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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Classify soil A depicted in the table according to the AASHTO classification system. Sieve analysis- Percent finer No. 10 Liquid limit Plasticity index Soil No. 40 No. 200 A 98 80 72 52 21 Select one: a. A-7-5 b. A-7-6 C. A-7 d. A-6
Subject soil Mechanics
The results of a Standard Proctor test are given in the following table. Moist Weight of Wet Sol Moisture Content in the mold (Ib) Trial (%) 26 4.08 28 4.12 30 4 4,18 32 Determine: 1. Maximum dry unit weight in Ib/ft^3 (4 decimal places) 2. Optimum water content in % (4 decimal places)
Q3. A 1200 g sample of Gravel in the SSD condition in air and weighed 770 g when immersed in water. Also, a 500 g sample of Sand in the SSD condition in air and weighed 300 g when immersed in water Calculate the BSG(SSD) of the sand and gravel 1) the BSG (SSD) of the Gravel * 1.2.791 2.4.71 3.3.703 4.2.50 2) the BSG (SSD) of the Sand * 1.2.221 2.3.590 3.2.500 4.3.232 Choose one answer and write the answer number for me
Make comments about the general properties of the soil by classifying the floors given in the figures in the laboratory test results according to AASHTO and UCSC.
Q5) A: Laboratory test results on the soil (L.L=35% and P.L-21%) is given in the following Table below. Classify the soil by using the unified classification system (10 mark) (showing all steps). Sieve Size(mm) Weight retained (gm) 4.75 2 0.425 0.25 0.075 Pan 135 70 60 30 142.5 462.5 B: A fine-grained soil has a liquid limit of 200% and a plastic limit of 45%, The natural water content of the soil in the field is 60% and the clay content is 63%, Calculate the plasticity index, the liquidity index and the activity. (10 mark)
Gs 2.68. Determine (at optimum moisture content):a. Void ratiob. Degree of saturation
6. Following is the result of 8 trials of a standard proctor test. Determine the optimum water content and maximum dry unit weight. Determine also the amount of energy expended in the compaction of one of the trials assuming that the test done is standard proctor test. Proctor Mold Volume Mass of wet soil in the Moisture Content Trial (cm³) mold (kG) (%) 1 943.3 1.68 9.9 943.3 1.71 10.6 3 943.3 1.77 12.1 4 943.3 1,83 13.8 943.3 1.86 15.1 6 943.3 1.88 17.4 943.3 1.87 19.4 8 943.3 1.85 21.2
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SG is 2.66 and temperature is 18 degrees celcius
A liquid limit test conducted on a soil sample in the cup device gave the following results: N 10 19 23 27 40 w (%) 60.0 45.3 39.8 36.5 25.2 The plastic limit test and natural water content. Natural Water Content Test Test No. Weight of Container + Lid (g) Weight of Container + Lid + Wet Soil (g) Weight of Container + Lid + Dry Soil (g) Plastic Limit 2 2 13.07 13.18 7.84 7.5 22.12 21.84 17.53 16.97 20.59 20.35 15.45 14.93 The shrinkage limit test. Weight of Dish with petroleum jelly (g) Weight of Dish with petroleum jelly + Wet Soil (g) Weight of Dish with petroleum jelly + Dry Soil (g) Volume of Shrinkage Dish (cm³) Volume of Oven-Dried Soil Pat (cm³) 11.3 38.51 32.81 15.26 12.83 27. Determine the liquid limit. b. 39% 28. Determine the plastic limit. а. 38% С. 37% d. 40% a. 20.56% b. 21.20% C. 21.85% d. 20.20% 29. Determine the shrinkage limit. b. 22.40% а. 15.20% C. 18.59% d. 16.45%