EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
4th Edition
ISBN: 8220102719569
Author: 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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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 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 showing 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.
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)
Н.W.
Fine aggregate sample was tested to find its physical properties. The test results were as
follows: Bulk specific gravity= 2.45, Apparent specific gravity=2.5, mass of the vessel full of
water = 1300 gm, mass of the vessel plus sand and topped up with water= 1500 gm, mass in
wet condition 518 gm.
Calculate 1- absorption% 2- moisture content% 3- Bulk density 4- Apparent density
% Absorption =- *100
A-D
D
D
Apparent Specific Gravity
D- (B-C)
SSD Aggregate
(A)
OD Aggregate
(D)
Container
Container
A
with H,0
SSD Bulk Sp.Gr. =
with H,0
(C)
and with
А-(В-С)
Aggregate
(B)
Weight of Agg. (W.)
Sp.Gr.=
Weight of an equal volume of water (V,*P)
W.
PA
Density of Agg.
VA*Pw
Pw
Density of Water
Chapter 9 Solutions
EBK MATERIALS FOR CIVIL AND CONSTRUCTIO
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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- 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 61arrow_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_forwardDuring 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_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_forwardQ2 (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_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
- H.W. Fine aggregate sample was tested to find its physical properties. The test results were as follows: Bulk specific gravity= 2.45, Apparent specific gravity 2.5, mass of the vessel full of water = 1300 gm, mass of the vessel plus sand and topped up with water= 1500 gm, mass in wet condition 518 gm. Calculate 1- absorption% 2- moisture content% 3- Bulk density 4- Apparent density A-D % Absorption = D D- (B-C) Apparent Specific Gravity = Container SSD Aggregate (A) OD Aggregate (D) Container SSD Bulk Sp.Gr. = with H,O (C) with H,O and with A-(B-C) Aggregate (B) Weight of Agg. (W,) Sp.Gr.= Weight of an equal volume of water (V,*P) PA Density of Agg. Pw Density of Waterarrow_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_forwardH.W. Fine aggregate sample was tested to find its physical properties. The test results were as follows: Bulk specific gravity= 2.45, Apparent specific gravity= 2.5, mass of the vessel full of water = 1300 gm, mass of the vessel plus sand and topped up with water= 1500 gm, mass in wet condition 518 gm. Calculate 1- absorption% 2- moisture content% 3- Bulk density 4- Apparent density А-D % Absorption = *100 D D Apparent Specific Gravity = D- (B-C) SSD Aggregate (A) OD Aggregate (D) Container with H,O Container with H2O SSD Bulk Sp.Gr. = (C) and with A-(В-C) Aggregate (В) Weight of Agg. (WA) Sp.Gr.= Weight of an equal volume of water (V,*p) WA PA Density of Agg. VA*Pw Pw Density of Water Aarrow_forward
- A 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_forwardIn 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_forwardTable below shows the result of sieve analysis test on a sample of fine aggregate. What is the fineness modulus for this aggregate? Sieve size, mm 9.5 4.75 2.36 1.18 0.6 0.3 0.2 0.15 Percent passing 100 89 61 29 18 14 10 9 3.30 3.20 320 330arrow_forward
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