A sieve analysis test was performed on a sample of coarse aggregate used in a concrete mix design and the resulting mass retained per sieve is shown in the table below. Sieve Size 3 in. 2 in. 1.5 in. 1 in. ¾ in. ½ in. 3/8 in. No. 4 Pan Amount Retained (lb) 0 2.2 3.7 15.9 12.0 13.5 26.7 10.1 1.3 a) What is the "maximum" size of the aggregate? b) What is the "nominal maximum" size of the aggregate? c) Complete the table below and plot the Grain Size Distribution curve on a semi-log scale. (either use the plot provided on the next page, or recreate your on using excel)

A sieve analysis test was performed on a sample of coarse aggregate used in a concrete mix design and the resulting mass retained per sieve is shown in the table below. Sieve Size 3 in. 2 in. 1.5 in. 1 in. ¾ in. ½ in. 3/8 in. No. 4 Pan Amount Retained (lb) 0 2.2 3.7 15.9 12.0 13.5 26.7 10.1 1.3 a) What is the "maximum" size of the aggregate? b) What is the "nominal maximum" size of the aggregate? c) Complete the table below and plot the Grain Size Distribution curve on a semi-log scale. (either use the plot provided on the next page, or recreate your on using excel)

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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A sieve analysis test was performed on a sample of coarse aggregate and produced the following results:a.) Calculate the percent passing through each sieve.b.) What is the maximum size?c.) What is the nominal maximum size?
4 pts Question 23 What is the fineness modulus of this aggregate? % Cumulative Retained Retained Mass 0% Sieve Size (US) (g) Retained Passing 1" 3/4" 1/2" 3/8" # 4 650 18.3 700 19.7 632 17.8 175 4.9 # 8 200 5.6 #16 W 150 4.2 #30 125 3.5 #50 331 9.3 #100 288 8.1 #200 250 7 Pan 50 1.4 Total 3551 O 5.20 O 1.57 O 3.89 O 6.50
5. A sieve analysis test was performed on a sample of coarse aggregate used in a concrete mix design and the resulting mass retained per sieve is shown in the table below. Sieve Size 3 in. 2 in. 1.5 in. 1 in. ¾ in. ½/2 in. 3/8 in. No. 4 Pan a) What is the "maximum" size of the aggregate? b) What is the “nominal maximum" size of the aggregate? Sieve ID c) Complete the table below and plot the Grain Size Distribution curve on a semi-log scale. (either use the plot provided on the next page, or recreate your on using excel) 3 in. 2 in. 1.5 in. 1 in. ¾ in. ½ in. 3/8 in. No. 4 Pan Amount Retained (lb) 0 2.2 3.7 15.9 12.0 13.5 26.7 10.1 1.3 Particle size (mm) Total mass (g) mass retained (lb) 0 2.2 3.7 15.9 12.0 13.5 26.7 10.1 1.3 % cumulative. retained % passing
The following information is available from a specific gravity test on fine aggregate: wt of SSD sand = 509 g wt of pycnometer plus sand plus water = 2665g wt of pycnometer plus water = 2329 g wt of oven dry sand = 491 g Calculate the bulk specific gravity (SSD), bulk specific gravity, apparent specific gravity, and absorption (dry) of the material.
A sieve analysis test was performed on a sample of coarse aggregate and pro- duced the results in Table P5.22. 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. e. Plot the percent passing versus sieve size on a 0.45 gradation chart (Figure A.25). f. Referring to Table 5.5 (ASTM C33), what is the closest size number and does it meet the gradation for that standard size? TABLE P5.22 Sieve Size, mm Amount Retained, g 75.0 50.0 37.5 1678 25.0 7212 19.0 5443 12.5 6124 9.5 12111 4.75 4581 Pan 590
2. In a ready-mix concrete plant, cylindrical samples are prepared and tested periodically to detect any mix problem and to ensure that the compressive strength is higher than the lower specification limit. The minimum target value was set at 5,000 psi. The following compressive strength data were collected. Sample No. 1 2 3 4 5 6 7 8 9 10 Compressive strength (psi) 5595 5139 6359 5192 5188 5241 5964 5875 6155 5115 Sample No. 11 12 13 14 15 16 17 18 19 20 Compressive strength (psi) 6695 5449 5278 6697 5195 6021 5320 5657 6595 5235 a. Calculate the mean, standard deviation, and the coefficient of variation of the data b. Using a spreadsheet program, create a control chart for these data showing the target value and the lower specification limit. Is the plant production meeting the specification requirement? If not, comment on possible reasons. Comment on the data scatter.
Students in the materials lab performed the specific gravity and absorption test (ASTM C127) on coarse aggregate and they obtained following data: a. Dry weight = 3862.1 g b. SSD weight = 3923.4 g c. Submerged weight = 2452.1 g 1. Calculate the specific gravity values (dry bulk, SSD, and apparent) and the absorption of the coarse aggregate. (Answer in 3 decimal places)
A sieve analysis test was performed on a sample of fine aggregate and produced the results in Table below. Calculate the percent passing through each sieve. What is the maximum size? What is the nominal maximum size? What is the Fineness Modulus? Plot the percent passing versus sieve size on a semi-log gradation size. (You can use Excel sheets or you can draw on a semi-log attached to page 3 of this assignment) Sieve size (mm) Amount retained (g) Cumulative amount retained (g) Cumulative percentage retained Percent passing 12.5 0 9.5 21 4.75 104 2.36 79 1.18 78 0.6 51 0.30 78 0.15 82 0.075 39 pan 5
1. Calculate the solid volume and percent of voids of an aggregate that weighs 111.2 pcf and has a specific gravity of 2.62.
a. For an aggregate sample, if you know that the apparent relative density is 2.72 and the water absorption is 1.2%. The dry mass of the aggregate is 514 gm. Find the bulk and saturated surface dry (SSD) relative density values? b. Why does the maximum size of aggregate depend on the clear spacing between bars? Show with a simple sketch. Note: Please answer both a and b... Please answer the both questions.. I don't want single b answer.. thank you
Discuss five different desirable characteristics of aggregate used in portland cement concrete.
2.638, 2.514, 2.437 O 2.651, 2.472, 2.364