Sieve and Atterberg limits tests Wt. of sieve (gm) Wt. of sieve + Soil (gm) 450 518 378 420 L.L = 32% 370 425 PL = 17% 365 442 W₂ = 21% 485 Pan 793 D15 = 0.002 1. Classify the specimen according to the Unified Soil Classification Syste (USCS). Assign the group name and the group symbol. ? Determine the soil activity. the soil Liquidity index or results are given below: Sieve No. 1" 4 100 200

Sieve and Atterberg limits tests Wt. of sieve (gm) Wt. of sieve + Soil (gm) 450 518 378 420 L.L = 32% 370 425 PL = 17% 365 442 W₂ = 21% 485 Pan 793 D15 = 0.002 1. Classify the specimen according to the Unified Soil Classification Syste (USCS). Assign the group name and the group symbol. ? Determine the soil activity. the soil Liquidity index or results are given below: Sieve No. 1" 4 100 200

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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A 35 cc volume of core sampler was used in bulk density determination. The fresh soil in thesampler collected in the field weighed 83.5 g was oven dried. After 24 hours of oven drying thesample at 110oC, 20 grams of moisture were removed. Calculate the following: a. Bulk density b. Moisture content at weight basis and volume basis c. Percent pore space if the particle density is 2.63 g/cc d. Percent pore space filled
The table shows the laboratory result of the sieve analysis of the sample. Determine the percent finer at size 0.74 and 0.004. Determine also the soil classification using AASHTO. Weight Retained 18.96 Size (mm) 0.25 0.149 0.074 0.052 0.02 33.18 45.03 54.51 42.66 0.01 11.85 0.004 0.001 Pan 4.74 4.74 21.33
7. The following data was obtained from laboratory tests for a cohesive specimen: moisture content, w, was 22.5%; G=2.60; and to determine the approximate unit weight, a sample having a mass of 224.0 g was placed in 500 cm³ container with 382 cm³ of water required to fill the container. a. What is the Total Unit Weight of the soil sample in kN/m³? b. What is the Dry Unit Weight of the soil sample in kN/m³ ? c. What is the void ratio?
A hydrometer test was conducted on the material passing sieve No, 200 and the results are listed in the table below, The results of sieve analysis on the soil showed that the percentage passing No. 4 was 90 % and that passing No. 200 was 20 %. Estimate the clay size fraction in the soil. Table : Results of hydrometer test diameter (mm) 0.0700 0.0400 0.0150 0.0020 % finer (combined) 19 finer 95 80 16 65 13 45 0.0010 30 6 Select one:
In a sieve analysis test, 95.5% of the sample is passing the 5mm sieve and 5.13% is passing sieve #200, which of the following is correct about this sample: There is no clay in the sample the percent of silt and clay is: 5.13% There is 4.5% Sand and Gravel in the sample 95.5% of the sample is Sand and Silt
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
The dry weight of sample = 1kg. Result of sieve analysis are shown below. Sieve Size Weight retained (g) 4.65 mm 0 2.46 mm 100 1.98 mm 250 0.30 mm 350 0.10 mm. 200 0.5 mm 100 Determine the Fineness Modulus.
If the weight of sample of sand in sieve analysis test was 420 gm and the weight retained on sieve are shown in table below. Is the sand satisfying the specification? Calculate the fineness modulus of sand and what is the average size ? Sieve size 10 2.36 1.18 0.6 0.3 0.15 < 0.15 (mm) Weight 8.4 63 96.6 143 59 34 16 retained (gm) Sieve size Specification limits for cumulative passing (mm) Zone 1 Zone 2 Zone 3 Zone 4 9.5 100 100 100 100 4.75 100 - 90 100 - 90 100 - 90 100 -95 2.36 95 -60 100 - 75 100 - 85 100 - 95 1.18 70 - 30 90 - 55 100 - 75 100 - 90 0.6 34 15 59 - 35 79 - 60 100 - 80 0.3 20 - 5 30 - 8 40 - 12 50 - 15 0.15 10 - 0 10 - 0 10 - 0 15 - 0 < 0.15 ------ ------
The table below shows the laboratory results of the sieve analysis of a sample. The soil has a liquid limit of 35% and plasticity limit of 9%. Determine the following: a) Plot the grain size curve. b) Classify the soil according to SIZE (mm) WEIGHT RETAINED (gms.) 0.25 18.96 USCS 0.149 33.18 c) Classify the soil according to 0.074 45.03 AASHTO 0.052 54.51 d) Classify the soil according to 0.02 42.66 USDA 0.01 11.85 0.004 4.74 0.001 4.74 PAN 21.33 Page 1 | 1 Q + -
7. Find the grain-size (gradation) distribution of the following: a. Original dry mass of sample 600 g b. The sample was then washed and graded. The weigh retained in each sieve is provided below. i. Retained in No. 16 (1.18 mm) ii. Retained in No. 100 (150 μm) iii. Retained in No. 200 (75 μm) iv. Retained in Pan 305.3 g 127.9g 76.4g 3.8g c. How would you classify this aggregate? Please select one from the list below and justify your answer a.- Open graded b.- Well graded c.- Gap graded
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