A sieve analysis test was performed on a sample of coarse aggregate and pro- duced the following results: Sieve Size Amount Retained, Ib 3 in. 2 in. 1-1/2 in. 3.7 1 in. 15.9 3/4 in. 12.0 1/2 in. 13.5 3/8 in. 26.7 No. 4 10.1 Pan 1.3 a. Calculate the percent passing through each sieve. b. What is the maximum size? c. What is the nominal maximum size? d. Plot the percent passing versus sieve size on a semilog gradation chart.

A sieve analysis test was performed on a sample of coarse aggregate and pro- duced the following results: Sieve Size Amount Retained, Ib 3 in. 2 in. 1-1/2 in. 3.7 1 in. 15.9 3/4 in. 12.0 1/2 in. 13.5 3/8 in. 26.7 No. 4 10.1 Pan 1.3 a. Calculate the percent passing through each sieve. b. What is the maximum size? c. What is the nominal maximum size? d. Plot the percent passing versus sieve size on a semilog gradation chart.

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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The table below presents the results of the sieve analysis conducted on a sample of aggregate. Given the bulk specific gravities of 2.65 for coarse aggregate, 2.69 for fine aggregate, and 2.73 for filler, determine the bulk density of the aggregate sample. Additionally, calculate the maximum aggregate size and nominal aggregate maximum size. Sieve size (mm) 37.5 % Passing 100 Specification limit 25 92 100 90-100 19 83 76-90 12.5 9.5 4.75 2.36 0.3 71 62 53 32 15 56-80 48-74 29-59 19-45 5-17 0.075 4 2-8
What is the cumulative percent retained on the sieve with the lowest percent retained?
What should be the observation and analysis for sieve analysis of fine aggregate if the value of fineness modulus is 3.7, percent error is 1.8%, coefficient of uniformity is 4.1 and Coefficient of curvature is 1.1? Also, what is the conclusion for this?
Thoroughly mix the aggregate sample and reduce it to an amount suitable for testing, using a sample splitter or by quartering. The minimum sample size should be as follows: Minimum Mass, kg Fine aggregate with at least 95% passing 2.36-mm sieve 0.1 Fine aggregate with at least 85% passing 4.75-mm sieve 0.5 Coarse aggregate with a nominal maximum size of 9.5 mm 1 Coarse aggregate of a nominal maximum size of 12.5 mm 2 Coarse aggregate of a nominal maximum size of 19.0 mm Coarse aggregate of a nominal maximum size of 25.0 mm 10 Coarse aggregate of a nominal maximum size of 37.5 mm 15
Analysis of Fine AggregatesFill in the table:
Compressive Strength is conducted for each aggregate with 3 specimens for each no. of days of curing. The recorded maximum load when the specimen breaks are as follows 7 Days (kN) 14 Days (kN) 28 Days (kN) 746.3 754.7 486,73 678.8 3/8" Sample 513.14 694.2 360.71 679.8 759.8 7 Days (kN) 14 Days (kN) 28 Days (kN) 231.86 339.8 377.7 3/4" Sample 252.04 206.69 339.6 381.1 343.3 379.9 Compute the compressive strength, in psi, for each size of aggregate on each no. of days of curing. Please indicate if the sample passed the required strength for each no.of days of curing. Conversion: 1lb-f = 4.488 N Attach your solution on the box below, image type. Use the editor to format your answer
(c) Asphalt concrete mixture of AC 14 will be used to construct the wearing course layer. The coarse aggregate, fine aggregate and filler are used as materials to produce the asphalt concrete mixture. The aggregate gradation will be blended to fulfill the gradation limit according to JKR standard specification as shown in Table Q1(c)(i). Based on this statement, conclude the result of sieve analysis test of blended aggregate as shown in Table Q1(c)(ii). I Table Q1(c)(i): Gradation specification for AC 14 mixture BS Sieve Size (mm) Percentage passing by weight 28.0 20.0 14.0 10.0 5.0 3.35 1.18 0.425 0.150 0.075 100 90-100 76-86 50-62 40-54 18-34 12-24 6-14 4-8 I Act Go to
Fine aggregate sample was tested to find its physical properties. The test results were as follows: Bulk specific gravity= 2.42, Apparent specific gravity= 2.58, mass of the vessel full of water = 1350 gm, mass of the vessel plus sand and topped up with water= 1600 gm, mass in wet condition 541 gm. Calculate 1- absorption% 2- moisture content% 3- Bulk density 4- Apparent density
Sieve Analysis of Coarse Aggregates) Another group of students have gathered data for sieve analysis for another aggregate stockpile. Determine the percentages passing of each size and draw the grain size curve. Sieve Size Amount retained, g 1-1/2" 1" 315 782 3/8" No. 4 No. 30 No. 200 1493 677 1046 1502 Pan 45
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5.14 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 = ¹/2 ft³ Weight of empty bucket = 20.3 lb Weight of bucket filled with dry rodded coarse aggregate: Trial 176.6 lb Trial 275.1 lb Questions and Problems 217 Trial 3 78.8 lb a. Calculate the average dry-rodded unit weight b. If the bulk dry specific gravity of the aggregate is 2.620, calculate the percent voids between aggregate particles for each trial.
Referring to the aggregate gradations A, B, and C in Figure P5.26, answer the following questions: a. What is the maximum size of each gradation? b. What is the nominal maximum size of each gradation? c. Classify each gradation as dense, open, or gap indicating the reason for each classification. 100 A 80- 60 40 0.075 0.30 1.18 2.36 4.75 9.5 12.5 19.0 25.0 0.15 0.60 Sieve sizes (mm) FIGURE P5.26 Percent passing 20