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.

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.

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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1. The following are the results of a sieve analysis U.S. Sieve No. 4 10 20 40 60 100 200 Pan Mass of Soil retained (g) 0 18.5 53.2 90.5 81.8 92.2 58.5 26.5 a) Determine the percent finer than each sieve and plot a grain-size distribution curve. b) Determine D10, D30, and Doo. c) Calculate the uniformity coefficient Cu d) Calculate the coefficient of gradation Ce
Soil mechanics
2. The following data were recorded during particle size analysis tests in the laboratory. Plot the grading curve and determine the grading characteristics. Using the information, classify the soil according to BSCS. Soil 1 Fine-Mesh dry sieve analysis data: Sieve Size 425 (mm or um) Mass 1.18 600 300 212 150 63 retained 1.9 3.2 8.1 10.4 22.7 126.1 (g) Total sample = 212.0 g
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)
Solution plz
A liquid limit test was performed on a soil sample. It was found out that the moisture content at 14 blows was 65%, and that at 31 blows was 26%. What will be the resulting liquid limit of the soil?
Mechanical analysis on four different samples designated as A, B. Cand Dwere carried out in a soil laboratory. The results of tests are given below. Hydrometer analysis was carried out on sample D. The soil is non-plastic. Sample D D. liquid limit w 42, plastic limit = 24. plasticity index = 18 Classify the soils per the Unified Soil Classification System. Samples ASTM Sieve Percentage finer than Designation 63.0 mm 100 93 20.0 mm 64 76 6.3 39 100 65 20 mm 600 212 63 A 20 24 98 59 12 90 54 9. 47 100 34 95 23 69 7. 46 2 31 B and 100 60 20 Sand Course lo medium Cotles l>762 mm Clay Silt Gravel Fine 0.001 001 0.075 0.1 10 100 Particle size (mm) Figure Ex. 3.21 Percentage finer
A compaction test was conducted in a soils laboratory using the Standard Proctor Method B test procedure. The weight of the compact soil specimen plus mold and baseplate was determined to be 3841 g. The volume and mass of the mold were 943.7 cm³ and 2066.0 g, respectively. A moisture content test was carried out on a representative portion of the sample and the results were 9.8%. Required Determine the dry unit weight in metric units, to the nearest 100th. Your Answer:
As a result of sieve analysis and hydrometer analysis on a soil sample, gravel 40% and sand 18%. Liquid limit value of the soil 58% and plasticity index was determined as 32%. D60, D30 and D10 values according to grain distribution curve 2.4mm, 0.9mm and 0.2mm respectively. According to the findings obtained, the soil sample Make USCS classification.
05: The Figure below represents the data that was obtained from a liquid-limit test on a soil. 50 percent of its particles is passing sieve #200. Two determinations for the plastic limit gave water contents of 20.3 % and 20.8 %. Determine 1- Liquid Limit (LL). 2- Plasticity index. 3- Liquidity index if the water content is 27.4% 4- Void ratio at the liquid limit, if G, 2.7 5- Classify the soil based on AASHTO system. 30 10 20 40 60 80 100 Penetration, d (mm) Moisture content, w ()
Discuss your results and compare your results with any published data. For the bulk density test, obtain the value of dry density. How does the values of (i) void ratio (ii) porosity influenced your results? How will these values differ if the soil is fully saturated, partially saturated or submerged? Support your assertions using relevant phase relationship equations. Whatwill happen to the values of particle density (specific gravity) obtained if the soil sample contain large quantities of peat or organic material? How will the results be used in specific practical conditions in the construction industry? Explain any source(s) of error in your experiment and state how it affected your result.
b) Determine D10, D30 and D60 for each soil. c) Calculate the uniformity coefficient and coefficient of gradation Cu and Ccrespectively.