A sample of sand has the followingproperties:Moist mass = 625.2 gDry mass = 589.9 gabsorption = 1.6%Find the surface moisture in %. Use 1 decimalplace only for your final answer.

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Answered: A sample of sand has the following…

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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U.S Sieve No Opening (mm) Mass of soil retained (g) 4 4.75 28 10 2.00 42 20 0.85 48 40 0.425 128 60 0.250 221 100 0.150 86 200 0.075 40 Pan 24 Determine the percent finer than each sieve and plot a grain-size distribution curve. Determine D10, D30, and D60 from the grain-size distribution curve. Calculate the uniformity coefficient, Cu. Calculate the coefficient of gradation, Cc. Classify the soil by AASHTO and USCS system. (LL = 30, PL = 10)
A liquid limit test was performed on a soil sample. It was found out that the moisture content at 18 blows was 62%, and that at 40 blows was 30%. What will be the plasticity index of the soil if the plastic limit is = 28? Round off to two decimal places.
Question 8 A cylindrical specimen of a cohesive soil of 11 cm diameter and 22 cm length was prepared by compaction in a mold. If the wet mass of the specimen was 3.14 kg. and its water content was 17.01%. (Specific gravity of soil solids is 2.74). Determine the void ratio of the soil. Round off to three decimal places.
a completely dry sand sample fills a 200 cm 3 metal cylinder and weighs 260 g (Ws), having Ss = 2.6 Calculate e(void ratio), then complete the schematic. (see the picture). I WILL RATE IT.
Answer question 12
List the given and required. Box the final answer.
Give me right solution. The weight of a soil sample is 186 g, the weight of water in the soil is 38 g. is. The volume of this soil, which has a grain specific gravity of 2.71, is 100 cm3. In the light of the information given, the saturated unit volume weight of this soil is ?
The laboratory test data for a standard Proctor test are given below. Volume of Mass of wet soil in the mold (kg) Moisture content 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 5, 10, 15, 20, and 25%. Plot a graph of Yzav versus moisture content.
The lab methods discussed in class are not the only means of measuring specific gravity- one can also measure the volume of water displaced directly. Suppose you have a sample of sand that displaces 251 cm³ in the SSD state. The sample has an SSD weight of 618 g and an oven dry weight of 599 g. Calculate the bulk specific gravity (SSD), bulk specific gravity, apparent specific gravity, and absorption (dry) of the material.
The laboratory test data for a standard Proctor test are given below. Find the maximum dry unit density and optimum moisture content.
A 627-g sample of sand was found to have the following amounts of material retained on each sieve/pan: 3/8 in. = 22 g, No. 4 = 45 g, No. 8 = 96 g, No. 16 = 122 g, No. 30 = 163 g. No. 50 86 g, No. 100 = 51 g, No. 200 = 30 g, pan = 11 g a. Calculate the fineness modulus of the sand. b. Is this sieve analysis valid for acceptance purposes? Explain why. c. Does the sand meet the particle size criteria of ASTM C 33. Fully justify your answer (list and check all relevant criteria from ASTM C33)
An oven dry sand mass with a dry unit weight of 105pcf and Gs of 2.70 is placed outdoors in a container. Overnight, it rains. As it rains, the total volume of the soil specimen within the container remains the same, yet the S increases to 55% by the time the rain is over for the night. a. Determine the new total unit weight of the soil after the rain in units of pcf. Express your answer in four significant figures. Show full phase diagram.

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A sample of sand has the following properties: Moist mass = 625.2 g Dry mass = 589.9 g absorption = 1.6% Find the surface moisture in %. Use 1 decimal place only for your final answer.