Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
4th Edition
ISBN: 9780137505586
Author: Michael Mamlouk, John Zaniewski
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Question
Chapter 9, Problem 9.27QP
(a)
To determine
The percent voids in total mix.
(b)
To determine
Explain what effects the calculate air voids had on the rutting and bleeding noted, if the percentage air void content was 4%.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
After two years of traffic, cores were recovered from the roadway which has severe rutting
and bleeding. The bulk specific gravity and the maximum theoretical specific gravity were
measured on these cores and are as follows:
Bulk specific gravity = 2.561
Maximum theoretical specific gravity = 2.487
a. Calculate the air voids
b. If the design air void content was 4%, explain what effect the calculated air voids had
on the rutting and bleeding noted.
After two years of traffic, cores were recovered from the roadway which has severe rutting and bleeding. The bulk specific gravity and the maximum theoretical specific gravity were measured on these cores and are as follows:
Bulk specific gravity = 2.561
Maximum theoretical specific gravity = 2.487
a.) Calculate the air voids
b.) If the design air void content was 4%, explain what effect the calculated air voids had on the rutting and bleeding noted.
Show Clear Solution.
QueAfter two years of traffic, cores were recovered from the roadway which has severe ruttingand bleeding. The bulk specific gravity and the maximum theoretical specific gravity weremeasured on these cores and are as follows:Bulk specific gravity = 2.487Maximum theoretical specific gravity = 2.561a. Calculate the air voidsb. If the design air void content was 4%, explain what effect the calculated air voids hadon the rutting and bleeding noted.
Chapter 9 Solutions
Pearson eText for Materials for Civil and Construction Engineers -- Instant Access (Pearson+)
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
Knowledge Booster
Similar questions
- After 2 years of traffic, cores were recovered from the roadway whichhas severe rutting and bleeding. The bulk specific gravity and the maximum theoretical specific gravity were measured on these cores and are asfollows:Bulk specific gravity = 2.487Maximum theoretical specific gravity = 2.561 a. Calculate the air voidsb. If the design air void content was 4%, explain what effect the calculatedair voids had on the rutting and bleeding noted.arrow_forward9.14 As a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for each of the conditions shown in Table P9.14 (show all calculations and fill in the table)? Table P9.14 Seven-Day Pavement Maximum Minimum Pavement Temperature, °C Temperature, °C Recommended PG Grade 50% 98% Case Mean, °C Std. Dev., °C Mean, °C Std. Dev., °C Reliability Reliability 1 43 1.5 - 29 2.5 2 51 -18 4 3 62 2.5 10 2arrow_forwardHW: Determine the average air void of the three asphalt concrete samples with the followings characteristics, then check if the average air void is acceptable by the specification which stated the air void range from 3-5%: Material Fine Filler Asphalt Weight Weight Weight Course agg. agg. cement in air in SSD water Effective specific gravity Percentage in the 2.61 2.63 2.87 1.03 45 46 5 4 mix 1212 Sample 1 Sample 2 Sample 3 1209 697 1206 698 1208 1215 702 1211 31/03/2022 00:10 Lecture 6: Bituminous Mixes 60arrow_forward
- If needed assume the unit weight of water to be 62.4 lb/ft3 a) A HMAC sample has the following volumetric properties (i) VMA = 0.1865 ft3and (ii)Volume of air = 0.0452 ft3 Compute %VFA. b) A HMAC sample has 140 lbs of aggregate with a bulk specific gravity of 2.65 and aneffective specific gravity of 2.71. Based on this information the volume of the absorbedasphalt is ________________ft3A compacted sample of hot mix asphalt concrete sample has a unit weight of 135 lb/ft3.c) The sample has an asphalt content of 5% (by weight). Assume no absorbed asphalt.The bulk specific gravity of the aggregate is 2.65, and specific gravity for the asphaltcement is 1.05. Based on this information compute VMA for this mixture.arrow_forward1) Compound composition of a Portland cement is given in the table below. What is the type of this Portland cement according to ASTM standard classification? What type of construction work is this Portland cement suitable for and why? Compound composition of PC, % C;S 47 C2S 25 C3A 12 C4AF 9arrow_forwardCRITIC PATK o Na B: A coarse aggregate sample has been collected from a quarry to be used in a surface course asphalt mix, was tested in accordance to the Iraqi specification. The results are as shown below, is it comply with the specification and why? Test Property Percentage of wear, % Degree of crushing,% Flat and elongated pieces, % Soundness test with sodium sulfate, % Results 34 85 7 8arrow_forward
- Using the following data for an unreinforced PCC Pavement slab: ▪ Design Strength f`c = 4000 psi ▪ Slab thickness = 12” ▪ Standard deviation of f`c obtained from 20 samples = 200 psi ▪ Ignore any exposure requirement ▪ Use air entrained concrete ▪ Fineness Modulus of Fine Aggregates = 2.60 ▪ Maximum aggregate Size = 2” and nominal maximum aggregate size 1 ½ “ ▪ Bulk oven-dry specific gravity of Coarse Aggregate = 2.60 ▪ Oven-dry rodded density of coarse aggregate = 125 pcf Find the following: a) Required compressive strength b) Water-Cement Ratio c) Coarse aggregate amount (lb/yd3 ) d) If the w/c ratio is 10% reduced, will the quantity of coarse aggregate increase, decrease or remain the same? Explain your answer.arrow_forwardA sieve analysis was conducted on a graded aggregate with a nominal maximum aggregate size of 20 mm. Th following data was obtained: Sieve size (mm) Mass retained (g) 37.5 0 26.5 19.0 9.5 4.75 2.36 Pan 80 120 800 1450 130 80 a) Find the mass passing and percentage passing on each sieve and fill in the table provided in the answer sheet. b) Fill in the upper and lower limits of the Australian Standard (AS2758) for this aggregate type. c) As per the AS2758, is the aggregate well-graded? Explain your answer. d) What should be done if the aggregate is poorly graded?arrow_forward5.29 Table P5.29 shows the grain size distribution for two aggregates and the specifi- cation limits for an asphalt concrete. Determine the blend proportion required to meet the specification and the gradations of the blend. On a semilog grada- tion graph, plot the gradations of aggregate A, aggregate B, the selected blend, and the specification limits. TABLE P5.29 Percent Passing Sieve Size, mm 12.5 9.5 4.75 2.36 0.60 0.30 0.15 0.075 19 Specification limits 100 80-100 70-90 50-70 35-50 18-29 13-23 8-16 4-10 Aggregate A 100 85 55 20 0. Aggregate B 100 100 100 85 67 45 32 19 11arrow_forward
- E Q2: Two types of asphalt cement (A and B) have been tested with different temperatures to indicate the kinematic viscosity and the table below presented the results. 1- Draw the viscosity vs temperature chart, 2- Indicate the raixing and compaction temperatures ranges for each type, 3- Which one is more susceptible to temperature change? 130 140 Temperature, C Kinematic viscosity, centistoke Type A Type B 600 800 420 500 150 300 290 160 220 180 Dis 170 D857arrow_forward2. A sample of fine aggregate weighs 501.2 g when SSD and 491.6 g when OD. The flask weighs 540.6 g when filled with water and 843.1 g when filled with the aggregate sample and water. Calculate the bulk specific gravity, apparent specific gravity and percent absorption.arrow_forwardAs a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for each of the conditions shown in Table P9.14 (show all calculations and fill in the table)? TABLE P9.14 Seven-Day Maximum Pavement Temperature Minimum Pavement Recommended Temperature PG Grade Standard 98% Mean, °C Deviation, °C Reliability Reliability Standard 50% Case Mean, °C Deviation, °C 1 43 1.5 -29 2.5 2 51 -18 4 62 2.5 10arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning