Materials For Civil And Construction Engineers In Si Units
4th Edition
ISBN: 9781292154404
Author: Michael S Mamlouk
Publisher: PEARSON
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Chapter 5, Problem 5.24QP
Referring to Table 5.6, plot the specification limits of Superpave gradation with a nominal maximum size of 19 mm on a 0.45 gradation chart (Figure A.25). What is the maximum aggregate size of this gradation? Is this a dense, open, or gap graded gradation? Why?
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Chapter 5 Solutions
Materials For Civil And Construction Engineers In Si Units
Ch. 5 - Prob. 5.1QPCh. 5 - Discuss five different desirable characteristics...Ch. 5 - Discuss five different desirable characteristics...Ch. 5 - The shape and surface texture of aggregate...Ch. 5 - Define the following terms: a. Saturated...Ch. 5 - Three samples of fine aggregate have the...Ch. 5 - A sample of wet aggregate weighed 297.2 N. After...Ch. 5 - 46.5 kg (102.3 lb) of fine aggregate is mixed with...Ch. 5 - Samples of coarse aggregate from a stockpile are...Ch. 5 - Base course aggregate has a target dry density of...
Ch. 5 - Calculate the percent voids between aggregate...Ch. 5 - Calculate the percent voids between aggregate...Ch. 5 - Coarse aggregate is placed in a rigid bucket and...Ch. 5 - The following laboratory tests are performed on...Ch. 5 - Students in the materials lab performed the...Ch. 5 - The specific gravity and absorption test (ASTM...Ch. 5 - Prob. 5.18QPCh. 5 - Calculate the sieve analysis shown in Table P5.19...Ch. 5 - Calculate the sieve analysis shown in Table P5.20,...Ch. 5 - A sieve analysis test was performed on a sample of...Ch. 5 - A sieve analysis test was performed on a sample of...Ch. 5 - Draw a graph to show the cumulative percent...Ch. 5 - Referring to Table 5.6, plot the specification...Ch. 5 - Referring to the aggregate gradations A, B, and C...Ch. 5 - Table P5.26 shows the grain size distributions of...Ch. 5 - Table P5.27 shows the grain size distributions of...Ch. 5 - Three aggregates are to be mixed together in the...Ch. 5 - Table P5.29 shows the grain size distribution for...Ch. 5 - Laboratory specific gravity and absorption tests...Ch. 5 - Table P5.31 shows the grain size distribution for...Ch. 5 - Prob. 5.32QPCh. 5 - Laboratory specific gravity and absorption tests...Ch. 5 - Prob. 5.34QPCh. 5 - Define the fineness modulus of aggregate. What is...Ch. 5 - Calculate the fineness modulus of aggregate A in...Ch. 5 - Calculate the fineness modulus of aggregate B in...Ch. 5 - A portland cement concrete mix requires mixing...Ch. 5 - Discuss the effect of the amount of material...Ch. 5 - Aggregates from three sources having the...Ch. 5 - Aggregates from three sources having the...Ch. 5 - A contractor is considering using three stockpiles...Ch. 5 - Prob. 5.43QPCh. 5 - What are the typical deleterious substances in...Ch. 5 - Review ASTM D75 and summarize the following: a....
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- The mass of aggregate B has been reduced and weighed to conduct an aggregate test shown in Table 2. (a) Calculate the: (i) dry bulk specific gravity (ii) SSD bulk specific gravity,arrow_forwardCalculate the bulk specific gravity of combined aggregate if you know the specific gravities of coarse aggregate (C), fine aggregate (F) and Mineral Filler (MF) are 2.61, 2.63 and 2.71 respectively. The percent for C, F, and MF can be determined based on the gradation shown belowarrow_forwardA sieve analysis test was performed on a sample of aggregate and produced the results shown in Table .Calculate the percent passing through each sieve. Plot the percent passingversus sieve size on:a. a semilog gradation chart, andb. a 0.45 gradation chart (Figure A.25).What is the maximum size? What is the nominal maximum size?arrow_forward
- 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?arrow_forwardTEST PROCEDURE: 1. Dry the aggregate test sample to a constant weight at a temperature of 110 ± 5°C, then cool to room temperature. 2. Select suitable sieve sizes to furnish the information required by the specifications covering the material to be tested. Common sieves in millimeters are 37.5, 25, 19, 12.5, 9.5, 4.75, 2.36, 1.18, 0.6, 0.3, 0.15, and 0.075 mm (11 2 in., 1 in., 3 4 in., 1 2 in., 3 8 in., No. 4, No. 8, No. 16, No. 30, No. 50, No. 100, and No. 200). 3. Nest the sieves in order of decreasing size of opening, and place the aggregate sample on the top sieve. 4. Agitate the sieves by hand or by mechanical apparatus for a sufficient period. The criterion for sieving time is that, after completion, not more than 1% of the residue on any individual sieve will pass that sieve during 1 minute of continuous hand sieving. 5. Determine the weight of each size increment. 6. The total weight of the material after sieving should be compared with the original weight of the sample placed…arrow_forwardA 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 5arrow_forward
- A laboratory technician performing a test on fine aggregates in accordance with ASTM C128 weighed the pycnometer filled with water reading 1201.8 g on the scale. He then took 502.3 g sample in saturated surface dry condition and poured into the pycnometer partially filled with water then filled it up to the calibrated mark. The weight of the pycnometer containing water and sample is 1516.1 g. After which he poured the content of the pycnometer in a drying pan and dried the sample in the oven. The resulting weight of the sample after drying was 494.9 g. Compute the following: a. Bulk Specific Gravity (oven dry) b. Bulk Specific Gravity (SSD) c. Apparent Specific Gravity d. Absorption in %arrow_forwardSpecific Gravity and Absorption of Coarse Aggregates What are the possible discussion of observations for specific gravity and absorption of aggregate to observed values?arrow_forwardLaboratory specific gravity and absorption tests are run on two coarse aggregate sizes, which have to be blended. The results are as follows:Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8,Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6,a. What is the specific gravity of a mixture of 60% aggregate A and 40% aggregate B by weight?b. What is the absorption of the mixture?arrow_forward
- While measuring the abrasion value of sub-base aggregates category E sample was taken having dry weight of 10000 grams.Amount of fines passing through 1.7 mm sieve was 1550 grams. Workout the abrasion value of aggregates.arrow_forwardDefine the following terms: ( provide the equation and explain what the equationrepresents). a). Saturated Surface-Dry condition of aggregate b). Absorption of aggregates c). Free moisture of aggregates. d). What does a negative free moisture mean and why is it important to consider forconcrete design?arrow_forwardGiven: wo=4280g, w1=4250g, w2=2750g. what is the specific gravity of the given coarse aggregate?arrow_forward
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