1) Given the following results of sieve analysis of coarse aggregates: Weight Retained (lb) Sieve Size 2 in T2 in 1 in 5.2 18.1 3/4 in 14.8 1/2 in 16.3 3/8 in 25.0 No. 4 8.5 Pan 1.6 a) Calculate. Sieve Individual % retained | Cumulative % retained % Passing 2 in 112 in 1 in 3/4 in 1/2 in 3/8 in No. 4 Pan b) Plot the gradation curve on a 0.45 power gradation chart. c) What is the maximum size and nominal maximum size of the aggregates according to the Superpave criteria?

1) Given the following results of sieve analysis of coarse aggregates: Weight Retained (lb) Sieve Size 2 in T2 in 1 in 5.2 18.1 3/4 in 14.8 1/2 in 16.3 3/8 in 25.0 No. 4 8.5 Pan 1.6 a) Calculate. Sieve Individual % retained | Cumulative % retained % Passing 2 in 112 in 1 in 3/4 in 1/2 in 3/8 in No. 4 Pan b) Plot the gradation curve on a 0.45 power gradation chart. c) What is the maximum size and nominal maximum size of the aggregates according to the Superpave criteria?

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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(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
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Laboratory specific gravity and absorption tests are run on two coarse aggregate sizes, which have to be blended. The results are as follows: Aggregate A: Buck specific gravity = 2.395; absorption = 4.69% Aggregate B: Buck specific gravity = 2.601; absorption = 0.51% What is the specific gravity of a mixture of 50]% aggregate A and 50% aggregate B by weight?
Total weight of Aggregate = 5000 grams %D Retained weight of Aggregate after L os Angeles Abrasion test =3978 grams Calculate LA abrasion value Select one: O a. 20.4 % O b. 79% O c. 54% O d. 98.8%
if total sample mass of aggregate is 164.9 grams, then the percent passing from sieve size #30 only is equal to ………………
Fine aggregate sample was tested to find its physical properties. The test results were as follows: Bulk specific gravity= 2.45, Apparent specific gravity= 2.5, mass of the vessel full of water = 1300 gm, mass of the vessel plus sand and topped up with water= 1500 gm, mass in wet condition 518 gm. Calculate 1- absorption% 2- moisture content% 3- Bulk density 4- Apparent density
7. Make a spread sheet blend template program to perform a blend gradation analysis for up to four stockpiles with the ability to produce automatically semilog or power 0.45 gradation charts. Use the table to demonstrate the template, and calculate the fineness modulus for the aggregate D. Aggregate Blend Percent (%) Sieve size (mm) 37.5 25 19 12.5 9.5 4.75 2.36 1.18 0.60 0.30 0.15 0.075 A 20 100 100 95 89 70 10 2 N|N 2 2 2 2 2 B 25 100 100 100 100 82 55 15 55 32 2 1 с 25 Percent Passing 100 100 100 100 100 100 69 55 35 22 15 6 D 30 100 100 100 100 100 100 86 54 34 25 14 5