SITUATION 3:A 100 cc proctor mold was used tocollect a wet soil sample. Its weightwas found to be 200 gms. Its ovendried weight was recorded as 189grams. G = 2.77. The moisture content is most likely:a. 0.058201c. 0.0698418. Its void ratio is:a. 0.771429c. 0.514286b. 0.064021d. 0.046561b. 0.471429d. 0.428571

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Answered: A 100 cc proctor mold was used to…

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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Situation 5: Following is the result of a standard proctor test. Proctor mold Volume (cm³) 943.3 943.3 943.3 943.3 943.3 Unit Weight Trial 1 2 5 6 7 8 943.3 943.3 943.3 Mass of wet soil in Moisture content the mold (KG) 1.68 1.71 1.77 1.83 1.86 1.88 1.87 1.85 (56) 9.9 10.6 12.1 13.8 15.1 17.4 9 19.4 21.2 5d. Plot the compaction curve using the following plane, make sure to label the y-axis with the dry unit weights. Compaction Curve Water Content 5b. What is maximum dry unit weight and its corresponding water content? 5c. Considering a requirement of 97% compaction, what is the minimum dry unit weight that must be achiewed and what are the water contents that correspond to this dry unit weight?
The properties of seven different clayey soils are shown below. Investigate the relationship between the strength and plasticity characteristics by performing the following tasks: Soil Beauharnois Detroit I Horten Gosport Mexico City Shellhaven St. Thuribe Mineral % Clay fraction (<2 μm) Kaolinite Illite 79 36 40 55 90 41 36 Montmorillonite Halloysite (hydrated) Halloysite (dehydrated) Attapulgite Allophane Activity, A 0.52 0.36 0.42 0.89 4.5 1.33 0.33 Liquid limit, LL 35-100 60-120 100-900 Undisturbed shear strength (kN/m²) 50-70 40-55 150-250 200-250 18 17 41 29 46 36 38 a. Estimate the plasticity index for each soil using Skempton's definition of activity. b. Estimate the probable mineral composition of the clay soils based on plasticity index and activity using the table below. Plastic limit, PL 20-40 35-60 50-100 Sensitivity, S, 14 40-60 30-45 100-125 120-150 2.5 17 2.2 5.3 7.6 150 Activity, A 0.3-0.5 0.5-1.2 1.5-7.0 0.1-0.2 0.4-0.6 0.4-1.3 0.4-1.3 c. Sensitivity refers to the…
Laboratory test results for a sample of clay soil for the purpose of evaluating the potential for volume change (swelling, expansion) are shown Liquid limit = 60% %3D Plastic limit = 24% %3D Particles smaller than 0.002 mm = 44% %3D Compute the plasticity index O 44 68 O 24 O -44
Someone can help me with this one please. Following are the results of a shrinkage limit test:
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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)
You are working in a lab and are tasked with determining the percent plant available water for a particular soil sample. You take a field soil sample. The mass of your sample was 152g and it had 18.3% moisture by mass. Then, you place the soil sample in your pressure plate extractor and determine that the soil sample weighs 164.2g when the moisture potential is -33kPa and 130.7g at -1500kPa. What is the percent plant available moisture by mass of this soil sample? Please answer to one decimal place.
Determine the shrinkage ratio when the soil sample has a liquid limit of 70%, plastic limit of 50% and the specific gravity of the soil solid is 2.70, determine the shrinkage ratio. Select the correct response: 2.54 2.37 1.37 1.55
Z
Soil placed on a can has been weighed before and after an oven-drying procedure. The procedure yields the following results: Mass of soil + can before placing in the oven 84.6 g. Mass of soil + can after placing in the oven 72.9 g. Mass of can 32.1 g. If the specific gravity of the soil is 2.85, and the void ratio is 0.759, what will be the moist unit weight (kN/m3) of the soil? Round off to two decimal places.
1.4 A test for the relative density of soil in place was performed by digging a small hole in the soil. The volume of the hole was 400 ml and the moist weight of the excavated soil was 9 N. after oven drying, the weight was 7.8 N. Of the dried soil, 4N was poured into a vessel in a very loose state, and its volume was found to be 270 ml. The same weight of soil when vibrated and compacted had a volume of 200 ml. Determine the relative density.

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