The results of a standard Proctor test are given in the following table. Given: Mold volume = 1/30 ft^3 and Gs = 2.69. Determine the void ratio and the degree of saturation at the optimum moisture content. Trial # Weight of moist soil in the mold (lb) Moisture content (%) 1 3.7 8.6 2 4.15 10.6 3 4.69 12.5 4 4.62 14.9 5 4.02 16.7 6 3.63 18.3

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

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)

The figure and the table below, shows the results of consolidation test for a soil sample, Find the cc value. TI Applied pressure, kPa 25 50 100 200 400 800 Voids ratio 0.634 0.619 0.583 0.523 0456 0383 0.65 0.6 0.55 0.5 0.45 0.4 of 0.35 10 100 1000 PRESSURE 0.15 0.21 0.12 no one 0.30 VOIDS RATIO

SG is 2.66 and temperature is 18 degrees celcius

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Sr B. ( A Soil Specimen has the following characteristics: % passing No.4 sieve = 85 % passing No.200 sieve = 11 D60 = 2 mm D30=0.35 mm D₁0 = 70 μm D8=2 μm L.L = 36% P.L = 31% 1. Classify the specimen according to the Unified Soil Classification System (USCS). Assign the group name and the group symbol. 2. Determine the soil activity. 3. Determine the soil Liquidity index and consistency index if wc = 26%.

A sample of soil was tested in the laboratory, and the test results were listed as follows. Classify the soil by both the AASHTO and the USCS. - LL = 29%, PL = 19% Sieve Size 1 in 3/4 in 3/8 in #4 #10 #40 #200 Percent Passing 100 90 82 70 65 54 25

b) Determine D10, D30 and D60 for each soil. c) Calculate the uniformity coefficient and coefficient of gradation Cu and Ccrespectively.