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 9.30QP
To determine
To describe the volumetric mix design procedure of Super pave.
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the weight of water required for harsh mix ?
Determine the w/c ratio for each mix. Plot the average f'c values versus w/c ratios for all mixes. Comment on the effect of increasing the w/c ratio on the compressive strength.
7. A sample of fine aggregate weighs 544 g when SSD and 530 g when OD. The flask
weighs 654 g when filled with water and 985 g when filled with fine aggregate and
water. Calculate the bulk specific gravity, apparent specific gravity, and absorption.
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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- importance of hydration in the design of concrete mixarrow_forwardH.W select a mix proportional of 28-day compressive strength (measured on standard cubes) of 56 MPa , slump of 65 mm; uncrushed aggregate with a maximum size of 10 mm; specific gravity of aggregate of 2.64, zone 2 of fine aggregate, repaid setting Portland cement to be used. The percentage absorption of fine aggregate is 1.25% ,and coarse aggregate 2.3% the max. w/c 0.4 and min. cement content 390 kg/m3.arrow_forwardQ # 4. Temperature of Mass Concrete can be controlled by using various techniques. Please suggest numerous ways to control the temperature of mass concrete by using ‘Mix Design Techniquearrow_forward
- Q2 b Concrete mix can be proportioned using a nominal mix and design mix.Compare and contrast the use of a design mix as compared to a nominal mix.arrow_forwardIN YOUR VERY OWN UNDERSTANDING/WORDS, discuss briefly the advantage of a "road mix" over the "plant mix" concrete.arrow_forwardA concrete mixture contains 250 lbs./yd3 of water, and 555 lbs./yd3 of cement. Calculate the w/c for the mix design: 0.45 0.55 2.22 0.60 0.50arrow_forward
- 12) Suppose that the following mix design was obtaincd at the lab before making any field adjustments for aggregate moisture content: Cement 307.4 Fly ash Water Coarse ageregate (SSD) 1019.7 Fine aggregate (SSD) 43.5 193 781.1 Further suppose that the aggregates have the following properties: (by mass Coarse ageregate Fine aggregate Absorption Capacity 0.5% 0.9% Moisture Content 03% 1135 a) Determine the moisture state of the coane and fine aggregates. (ie wet, SSD, or air dry) b) Cakulate the field mix design weights (show your caleulations): Field Cement Fly ash Water Coarse aggregate (SSD) Fine aggregate (SSD)arrow_forwardWhat is the mix proportions in Non-load bearing CHB in the Philippines?arrow_forwardclear and step by step solution plsarrow_forward
- Same concrete mix is cast at two locations, A and B. 1 hour after mixing, the slump loss at A is 5 cm, and the slump loss at B is 10 cm. Could you briefly comment on the weather conditions at locations A and B?arrow_forward4. 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_forward(4) Given the information below: • The mixing water content for the required concrete mix is 180 kg/m3; • A water to cement ratio used is 0.5; • Coarse aggregate has a dry-rodded bulk density of 1800 kg/m³, the dry bulk volume of rodded coarse aggregate per unit volume of concrete is 0.69, and the absorption of 0.5%. According to the ACI (American Concrete Institute) procedure for the concrete mix design, determine: (a) How much of cement (kg) is used for a cubic metre of this concrete? (b) How much of dry coarse aggregate (kg) is used for a cubic metre of this concrete? (c) How much of coarse aggregate (kg) on the basis of SSD (saturated surface dry) condition?arrow_forward
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