O H.W : Two samples of sand are mixed together and their grading is not withinthe standard limits as shown in the table below. The mixing ratio is 1:2 ratio(sand1:sand2). Answer the following:a) Is the mixture within the standard limits?b) What is the fineness modulus of the mixture? And what is the average size ofits particles? The sum of the Accumulative percentages retained on the sieves ofstandard series (150, 300,600, 1.18, 2.36. 5 and up to largest sieve) used dividedby 100.Sieve size (mm)1052.361.180.60.30.15Sand (1) (% passing)10097959285305Sand (2) (%passing)1009575452010Standard limits10095-10080-10050-8525-6010-302-10

Sieve 10 5 2.36 1.18 0.6 0.3 0.15 Sand1 100 97 95 92 85 30 5 Sand2 100 95 75 45 20 10 3…

O H.W: Two samples of sand are mixed together and their grading is not within the standard limits as shown in the table below. The mixing ratio is 1:2 ratio (sand1:sand2). Answer the following: ) Is the mixture within the standard limits? ) What is the fineness modulus of the mixture? And what is the average size of s particles? The sum of the Accumulative percentages retained on the sieves of tandard series (150, 300,600, 1.18, 2.36. 5 and up to largest sieve) used divided ry 100.

O H.W: Two samples of sand are mixed together and their grading is not within the standard limits as shown in the table below. The mixing ratio is 1:2 ratio (sand1:sand2). Answer the following: ) Is the mixture within the standard limits? ) What is the fineness modulus of the mixture? And what is the average size of s particles? The sum of the Accumulative percentages retained on the sieves of tandard series (150, 300,600, 1.18, 2.36. 5 and up to largest sieve) used divided ry 100.

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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There are two sources of aggregates (A, B). A sample has been taken from both sources and measured their mass as shown in table below. Measurement Wet mass (9) Oven-dry mass (g) Aggregate A 500 480 Aggregate B 600 564 (a) Determine the total moisture content for the samples from both aggregate sources, respectively. (b) Determine the total moisture content for an aggregate blend with 30% of aggregate A and 70% of aggregate B.
Sieve analysis of a sample of fine aggregate resulted in the following data No. Sieve number 4 8 16 30 50 100 Sieve opening (mm) 4.75 2.36 1.18 0.6 0.3 0.15 Weight retained (g) 13 75 120 126 105 61 A) The total weight of the sample, assuming no mass loss during the analysis, is______ (g) a) 505; b) 500; c) 550 B) The half sieve used in the experiment is________. a) No.8; b) No.50; c) none of the above C) The fineness modulus of the aggregate________. a) 6.13; b) 3.16; c) 1.36 D) The average size of the aggregate___________. a) No.30; b) No.4; c) No.16
2) Two aggregates (Al and A2) were obtained from the field. They were brought to the oven dry condition (OD) and weighed. Data for each of the aggregates is presented in the table below. (Density of water=1g/cm') Table 1. Absorption capacity and moisture content data. A1 A2 Field Weight 600 g 600 g 598.3 g Oven Dry Weight Absorption Capacity (%) 0.6 % 595.3 g 0.7% a) Describe the field moisture state of each aggregate, Al and A2 (i.e. wet, SSD, or air dry). For each sample would you add water or dry the sample to bring it to SSD state? Determine the expected mass of each sample in the SSD state. b) If the bulk volume Al oven dry is 220 cm and the bulk volume of A2 oven dry is 250 cm2, determine the bulk oven dry specific gravity for each aggregate, Al and A2. MONSTER E12 PRT SC PAUSE う
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?
Three samples of fine aggregate were taken from the same stockpile and have the properties shown below. Determine in percentage: (a) total moisture content of each sample, (b) free moisture content of each sample, and (c) the average values of each from the stockpile. Measure Wet Mass (g) Dry Mass (g) Absorption (%) A 521.0 491.6 2.5 Sample B 522.4 491.7 2.4 C 523.4 492.1 2.3
I) Two aggregates (Al and A2) were obtained from the field. A sieve analysis was performed on each sample, and the samples (originally 500g in mass) were brought to the oven dry condition (OD) and weighed. Data was obtained for each of the aggregates and is presented in the tables below. (Density of water-1g/cm) Table 1. Results from sieve analysis. Sieve Size Opening (mm) Weight of Aggregate retained (g) A1 A2 3/8" 9.5 No. 4 4.75 65 No. 8 2.36 60 25 No. 16 1.18 100 396 No. 30 0.6 50 No. 50 0.3 118.5 10 No. 100 0.15 75 15 Pan 75 Table 2. Absorption capacity and moisture content data. Al A2 500 g 500 g Field Weight Oven Dry Weight Absorption Capacity (%) 0.7 % 498.5 g 496 g 0.6 % a) Plot the grading curve for each aggregate (x-axis: sieve opening, y-axis: %passing). (Note: In the grading curves, you must show all data points. You can draw the gradation chart using excel or by hand. If you draw by hand, you have to use a ruler. The format of the gradation chart should be same as in the…
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
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.
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?