The following weights were found while determining the different specific gravities of a sample of coarse aggregate: Mass of moist coarse aggregate sample as brought to the laboratory: 5,298 g. Mass of oven dried aggregate: 5,200 g. Mass of aggregate submerged in water: 3,300 g. Mass of SSD aggregate: 5,220 g. Find the bulk saturated surface dry specific gravity. 2.718 2.715 2.223 3.103

The following weights were found while determining the different specific gravities of a sample of coarse aggregate: Mass of moist coarse aggregate sample as brought to the laboratory: 5,298 g. Mass of oven dried aggregate: 5,200 g. Mass of aggregate submerged in water: 3,300 g. Mass of SSD aggregate: 5,220 g. Find the bulk saturated surface dry specific gravity. 2.718 2.715 2.223 3.103

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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Sieve analysis test for fine aggregates was performed on a sample of fine aggregates and produced the following results: a. Calculate the percent passing through each sieve.b. Plot the percent finer in a semi-log gradation chart.c. What is the maximum aggregate size of the sample?d. What is the nominal maximum aggregate size of the sample?e. What is the fineness modulus? Is it in typical range?
2. A sieve analysis was conducted on an aggregate with a nominal maximum aggregate size of 20 mm. The following data was obtained: Sieve size (mm) Mass retained (g) 37.5 26.5 80 19.0 120 9.5 800 4.75 1450 2.36 130 Pan 80 a) Find the percentage of passing on each sieve and plot the particle size distribution. b) Show the Australian Standard (AS2758) upper and lower limits for this aggregate type on the same plot. As per this standard, is the aggregate well-graded or poorly graded? c) What should we do if the aggregate is poorly graded?
Sieve analysis test for fine aggregates was performed on a sample of fine aggregates and produced the following results: a. Calculate the percent passing through each sieve. b. Plot the percent finer in a semi-log gradation chart. c. What is the maximum aggregate size of the sample? d. What is the nominal maximum aggregate size of the sample? e. What is the fineness modulus? Is it in typical range? 0.18 0.15 (No. (3/8) INo. 41 (INo. 6) (No. 8)|(No. 10) (No. 16) (No. 20)|INo. 30)|(No. 40)|(No. So) (No. 60)|(No. 80) 100) Sieve Size, 9.5 4.75 3.35 2.36 2.00 1.18 0.85 0.60 0.425 0.30 0.25 0.075 Pan mm (in) (No. 200) Amount 25 59 75 86 115 136 169 192 225 198 173 112 90 33 12 Retained,
Qиestion no.08 The result of specific gravity test is given below Weight of saturated aggregate in water =618gm Weight of oven dry sample = 982 gm Weight of saturated surface dry aggregate = 990 gm (i) Calculate the specific gravity of aggregate?
Sieve analysis test for fine aggregates was performed on a sample of fine aggregates and produced the following results: a. Calculate the percent passing through each sieve. b. Plot the percent finer in a semi-log gradation chart. c. What is the maximum aggregate size of the sample? d. What is the nominal maximum aggregate size of the sample? e. What is the fineness modulus? Is it in typical range? " Sieve Size, 9.5 4.75 3.35 2.36 2.00 1.18 0.85 0.60 0.425 0.30 0.25 0.18 0.15 (No. 0.075 Pan mm (in) (3/8) (No. 4) (No. 6) (No. 8) (No. 10) (No. 16) (No. 20) (No. 30) (No. 40) (No. 50) (No. 60) (No. 80) 100) (No. 200)| Amount 25 59 75 86 115 136 169 192 225 198 173 112 90 33 12 Datained.
Example 2: Specific gravity test was conducted for a fine aggregate. If the following data was obtained during the test: - the saturated surface dry weight of the sample = 500 g. %3D - Weight of pycnometer full of water= 750 g - Weight of pycnometer and sample and water= 1050 g. - Oven dry weight of the sample is 475 g. for this aggregate, FIND - The apparent specific gravity. - The bulk specific gravity on an ssd basis. Percentage of absorption.
Sieve analysis test for fine aggregates was performed on a sample of fine aggregates and produced the following results: a. Calculate the percent passing through each sieve. b. Plot the percent finer in a semi-log gradation chart. c. What is the maximum aggregate size of the sample? d. What is the nominal maximum aggregate size of the sample? e. What is the fineness modulus? Is it in typical range? Sieve Size, 9.5 4.75 3.35 2.36 2.00 1.18 0.85 0.60 0.425 0.30 0.25 0.18 0.15 (No. 0.075 Pan mm (in) (3/8) (No. 4)(No. 6) (No. 8) (No. 10) (No. 16) (No. 20)|(No. 30) (No. 40)|(No. 50)|(No. 60) (No. 80) 100) |(No. 200) Amount 25 59 75 86 115 136 169 192 225 198 173 112 90 33 12 Retained, g
1. In the specific gravity and absorption experiment, the following measurements were taken of coarse aggregates: Weight of pan used to weigh SSD aggregates Weight of pan + SSD aggregates Weight of SSD aggregates in water Weight of pan used to weigh oven-dried aggregates Weight of pan + oven dried aggregates Calculate the following properties: a. Specific gravity b. SSD specific gravity c. Apparent specific gravity d. Absorption = 500 g = 2550 g = 1300 g = 510 g = 2545 g 2. After manually sieving 100 g of cement on the No. 200 sieve, the mass retained on the sieve was found to be 8 grams. Determine the fineness of the cement.
Three samples of fine aggregate have the properties shown in Table. Determine in percentage: (a) total moisture content and (b) free moisture content for each sample and the average of the three samples.
Table below shows the result of sieve analysis test on a sample of fine aggregate. What is the fineness modulus for this aggregate? Sieve size, mm 9.5 4.75 2.36 1.18 0.6 0.3 0.2 0.15 Percent passing 100 89 61 29 18 14 10 9 3.30 3.20 320 330
A sieve analysis test for fine aggregates was performed on a sample of fine aggregates and produced the following results below. Determine the following: a. Percent passing through each sieve (Tabulation) b. Plot of the percent finer in the Semi-Log Gradation Chart c. Maximum Aggregate Size of the Sample (mm) d. Nominal Maximum Aggregate size of the sample e. Fineness Modulus
Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained: Volume of bucket = 0.481 %3D Weight of empty bucket = 22.107 Ib %3! Weight of bucket filled with dry rodded coarse aggregate Trial 1 = 69.259 lb %3D Trial 2 = 70.567 lb Trial 3 = 69.708 lb • If the bulk dry specific gravity of the aggregate is 2.727, calculate the percent voids for trial 2. where unit weight of water is 62.40