Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.7QP
Three samples of fine aggregate have the properties shown in Table P5.7. Determine in percentage: (a) total moisture content and (b) free moisture content for each sample and the average of the three samples.
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Three samples of fine aggregate have the properties shown below. Determine in percentage:
(a) total moisture content and (b) free moisture content for each sample and the average of
the three samples.
Table P5.7
Measure
Wet Mass (g)
Dry Mass (g)
Absorption (%)
Sample
A
521.0
491.6
2.5
B
522.4
491.7
2.4
C
523.4
492.1
2.3
Three samples of fine aggregate have the properties shown in Table.
Determine in percentage: (a) total moisture content and (b) free moisture content for each sample and the average of the three samples.
In specific gravity test for coarse aggregate
we found the following results:
dry weight
A= 3008 grams
SSD weight
B = 3037 grams
%3D
Submerged weight C=1907 grams
The SSD specific gravity
Select one:
O a. 2.456
O b. 2.877
O c. 2.688
O d. 2.899
Chapter 5 Solutions
Materials for Civil and Construction Engineers (4th Edition)
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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- 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 2.3arrow_forwardA saturated aggregate sample with an absolute volume of 5.05x10^-5 m^3 has a mass of 178 g before drying and 139 g after drying in an oven. Assume the water absorption by volume to be 59.18%. Determine the following: a. Specific gravity of the solid particles b. Mass specific gravity c. Void Ratio d. Porosityarrow_forwardExample 2: Specific gravity test was conducted for a fine aggregate. If the following data was obtained during the test: - the saturated surface dry weight of the sample = 500 g. %3D - Weight of pycnometer full of water= 750 g - Weight of pycnometer and sample and water= 1050 g. - Oven dry weight of the sample is 475 g. for this aggregate, FIND - The apparent specific gravity. - The bulk specific gravity on an ssd basis. Percentage of absorption.arrow_forward
- Question 2 Calculate the moisture content and absorption capacity for the following three aggregate samples. Report the moisture state of each aggregate. a) An aggregate sample from a stockpile A has a mass of 19.00 lb. When oven-dried, it has a mass of 17.98 lb. When brought to a saturated surface dry state it has a mass of 19.00 lb. b) An aggregate sample from a stockpile B has a mass of 5.08 kg. When oven-dried, it has a mass of 5.01 kg. When brought to a saturated surface dry state it has a mass of 5.13 kg. c) An aggregate sample from a stockpile C has a mass of 53.98 lb. When oven-dried, it has a mass of 53.22 lb. When brought to a saturated surface dry state it has a mass of 53.54 Ib.arrow_forwardA sieve analysis test was conducted for sample of fine aggregate and obtained the results as shown in Table Q1. Calculate the percent passing of each sieve and classify the fineness of fine aggregate based on fineness modulus analysis. (c)arrow_forwardA sieve analysis test for fine aggregates was performed on a sample of fine aggregates and produced the following results below. Determine the following: a. Percent passing through each sieve (Tabulation) b. Plot of the percent finer in the Semi-Log Gradation Chart c. Maximum Aggregate Size of the Sample (mm) d. Nominal Maximum Aggregate size of the sample e. Fineness Modulusarrow_forward
- 1. Calculate the following properties for the data provided in the Table below for a coarse aggregate sample. a. Bulk SSD specific gravity b. Bulk Dry specific gravity A Bulk Dry Sp. Gr. = c. Apparent specific gravity d. Absorption capacity. В — С B Bulk SSD Sp. Gr. = В — С where A Apparent Sp. Gr. = А — С A = dry weight B = SSD weight C = submerged weight В — А (100) A Absorption (%) Weight of Pan + Oven- Dry Aggregate Weight of Pan Weight of Submerged Aggregate Weight of Pan + SD Aggregate 0.8495 Ib 1.9885 lb 0.6870 lb 1.9630 Ib 2. If the Moisture Content of a stockpile sample of the same coarse aggregates is 1.85 %, what is the moisture state of aggregate sample? Select from the four standard moisture states. Explain how you arrived at the answer. 3. If Bulk unit weight of coarse aggerates is 98 Ib/ft³determine the % Voids of dry-rodded aggregate. Youlk S.G(Bulk Dry)*Pwater %Solids * 100 4. Determine the % solids for 2 cases discussed in pre-lab video by using below data.…arrow_forwardSieve 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? 0.18 0.15 (No. (3/8) INo. 41 (INo. 6) (No. 8)|(No. 10) (No. 16) (No. 20)|INo. 30)|(No. 40)|(No. So) (No. 60)|(No. 80) 100) Sieve Size, 9.5 4.75 3.35 2.36 2.00 1.18 0.85 0.60 0.425 0.30 0.25 0.075 Pan mm (in) (No. 200) Amount 25 59 75 86 115 136 169 192 225 198 173 112 90 33 12 Retained,arrow_forwardMAKE A CONCLUSION ABOUT THE EXPERIMENT MOISTURE CONTENT OF AGGREGATESarrow_forward
- Q2 (a) A specific gravity test was performed on a sample of fine aggregate and produced the following results: Mass of sand (saturated surface dry) = 520g Mass of sand (oven dry) = 510g Mass of pycnometer with full of water = 1550g Mass of pycnometer with sand and water = 1900garrow_forwardSURFACE MOISTURE OF FINE AND COARSE AGGREGATE Pycnometer or Flash Method make up computation, make one Mass of specimen (S) Mass of pycnometer + water (C) Mass of pycnometer + water + specimen (W) Mass of displaced water (V) Specific Gravity, G 2.86 D = S/G % surface moisturearrow_forwardSieve 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.arrow_forward
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Aggregates: Properties; Author: nptelhrd;https://www.youtube.com/watch?v=49yGZYeokKM;License: Standard YouTube License, CC-BY