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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Chapter 9, Problem 9.45QP
(a)
To determine
To create a control chart for the data shown in Table P9.45.
(b)
To determine
Comment on any trend and possible reasons.
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In a Marshall test, the percentage of asphalt binder by total weight of aggregate is 5.0%. The bulk specifc gravity of aggregate (G3)=2.624, the specifc gravity of asphalt binder (G)=1.000, and the density of water (Y)=1.000 g/cm³. If the absorbed asphalt (Pa) is 2.00% by total weight of aggregate, and the voids in total mixture (VTM) is 4.0%, determine the following properties:
a. The effective asphalt content (Pbe)
b. The bulk specifc gravity of the compacted mixture (Gmb)
c. The voids in mineral aggregate (VMA)
d. The theoretical maximum specifc gravity of the loose mixture (Gmm)
e. The voids flled with asphalt (VFA)
f. The effective specifc gravity of aggregate solids (G)
1. In the specific gravity and absorption experiment, the following measurements were taken of
coarse aggregates:
Weight of pan used to weigh SSD aggregates
Weight of pan + SSD aggregates
Weight of SSD aggregates in water
Weight of pan used to weigh oven-dried aggregates
Weight of pan + oven dried aggregates
Calculate the following properties:
a. Specific gravity
b.
SSD specific gravity
c. Apparent specific gravity
d. Absorption
= 500 g
= 2550 g
= 1300 g
= 510 g
= 2545 g
2. After manually sieving 100 g of cement on the No. 200 sieve, the mass retained on the sieve was
found to be 8 grams. Determine the fineness of the cement.
The following arrangement model represents the behavior of the asphalt sample under constant
stress. Calculate the total strain when the stress was removed after 3 sec.
T
G1-1.1 G2
G2
79.7 G2
In :9.3 61
Chapter 9 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 9 - Prob. 9.1QPCh. 9 - Prob. 9.2QPCh. 9 - Prob. 9.3QPCh. 9 - Prob. 9.4QPCh. 9 - Prob. 9.5QPCh. 9 - Prob. 9.6QPCh. 9 - Prob. 9.7QPCh. 9 - What are the engineering applications of each of...Ch. 9 - Prob. 9.9QPCh. 9 - Prob. 9.10QP
Ch. 9 - Prob. 9.11QPCh. 9 - Prob. 9.12QPCh. 9 - Prob. 9.13QPCh. 9 - Prob. 9.14QPCh. 9 - Prob. 9.15QPCh. 9 - Prob. 9.16QPCh. 9 - Prob. 9.17QPCh. 9 - Prob. 9.18QPCh. 9 - What are the objectives of the asphalt concrete...Ch. 9 - Prob. 9.20QPCh. 9 - Prob. 9.21QPCh. 9 - Prob. 9.22QPCh. 9 - Prob. 9.23QPCh. 9 - Prob. 9.24QPCh. 9 - Prob. 9.25QPCh. 9 - An asphalt concrete mixture includes 94% aggregate...Ch. 9 - Prob. 9.27QPCh. 9 - Prob. 9.28QPCh. 9 - Prob. 9.29QPCh. 9 - Prob. 9.30QPCh. 9 - Based on the data shown in Table P9.31, select the...Ch. 9 - Based on the data in Table P9.32, determine the...Ch. 9 - Given the data in Table P9.33, select the blend...Ch. 9 - The Marshall method of mix design has been widely...Ch. 9 - Prob. 9.35QPCh. 9 - Prob. 9.36QPCh. 9 - Prob. 9.37QPCh. 9 - Prob. 9.38QPCh. 9 - Prob. 9.39QPCh. 9 - Prob. 9.40QPCh. 9 - Prob. 9.41QPCh. 9 - Prob. 9.42QPCh. 9 - Prob. 9.43QPCh. 9 - What is the purpose of adding fly ash to asphalt...Ch. 9 - Prob. 9.45QPCh. 9 - Prob. 9.47QPCh. 9 - Prob. 9.48QP
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- During construction of the surface layer of asphalt pavement, two samples were taken every day to measure the asphalt content in the mix to ensure that it is within the specification limits. The target value was set at 5.5% with a tolerance of ±0.4%. The asphalt content data shown in Table P1.41 were collected: 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 show- ing the target value and the upper and lower specification limits. Are the asphalt content data within the specification limits? Comment on any trend and possible reasons. TABLE P1.41 Date Asphalt Content, % Date Asphalt Content, % Oct. 15 Oct. 15 Oct. 16 Oct. 16 Oct. 17 Oct. 17 Oct. 18 Oct. 20 Oct. 20 Oct. 21 Oct. 21 Oct. 22 5.7 5.3 5.8 5.6 5.3 5.8 5.4 5.1 5.7 5.8 5.7 Oct. 22 5.9 5.6 Oct. 23 5.1 Oct. 18 5.8 Oct. 23 6.2 Oct. 19 5.4 Oct. 24 5.2 Oct. 19 5.5 Oct. 24 4.8arrow_forwardThe following are the results in the test for specific gravity of fine aggregates:Mass of Oven-dried specimen in air = 502gMass of Pycnometer filled with water, to calibration mark = 640gMass of Saturated Surface Dry Specimen = 510gMass of Pycnometer filled with specimen and water to calibration mark = 950gCalculate the absorption, apparent specific gravity, bulk specific gravity in SSD condition, and bulk specific gravity in OD conditionarrow_forward< Two types of (60-70) asphalt cement has been tested with different temperatures to determine their penetration as shown in the table below. Which one is more susceptible to the temperature changes depending on Penetration Index (P.1) determination.? Temperature, °C 25 Penetration, 0.1 mm For asphalt cement type I For asphalt cement type II 60 70 35 80 110arrow_forward
- Example 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_forwardSpecific Gravity and absorption test is done in the materials lab on a sample of coarse aggregate and the following data is obtained: Dry weight: 1002.3 g SSD weight: 1032.4 g Submerged weight: 607.5 g Calculate the specific gravity values (dry, SSD and apparent) and the absorption of the coarse aggregate.arrow_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_forward
- 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. 2.899arrow_forwardThe following data of a particular asphalt concrete mixture. Compute the percentage of voids in the laboratory molded specimen. Materials Specific Gravity Percent by weight Limestone Dust 2.80 |17.0 Sand 2.60 73.0 Asphalt Cement 1.02 10.0 A cylindrical specimen of the mixture was molded in the laboratory and weighted in air and water as follows.l Weight of dry specimen in air = 110 grams Weight of saturated surface - dry specimen in air = 114 grams Weight of saturated specimen in water = 60 grams 13.57% O 11.69% O 18.96% O 10.53%arrow_forwardThree 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.arrow_forward
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