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 7, Problem 7.31QP
A normal-weight concrete has an average compressive strength of 4500 psi. What is the estimated modulus of elasticity?
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Chapter 7 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 7 - The design engineer specifies a concrete strength...Ch. 7 - A project specifies a concrete strength of 24.1...Ch. 7 - A project specifies a concrete strength of at...Ch. 7 - What is your recommendation for the maximum size...Ch. 7 - A concrete mix with a 3-in. slump, w/c ratio of...Ch. 7 - Prob. 7.6QPCh. 7 - You are working on a concrete mix design that...Ch. 7 - Design the concrete mix according to the following...Ch. 7 - Design the concrete mix according to the following...Ch. 7 - The design of a concrete mix requires 1173 kg/m3...
Ch. 7 - Prob. 7.11QPCh. 7 - Prob. 7.12QPCh. 7 - Students in the materials lab mixed concrete with...Ch. 7 - Students in the materials lab mixed concrete with...Ch. 7 - Why is it necessary to measure the air content of...Ch. 7 - What do we mean by curing concrete? What will...Ch. 7 - Discuss five different methods of concrete curing.Ch. 7 - Draw a graph showing the typical relation between...Ch. 7 - Why is extra water harmful to fresh concrete, but...Ch. 7 - Discuss the change in volume of concrete at early...Ch. 7 - Discuss the creep response of concrete structures....Ch. 7 - Prob. 7.22QPCh. 7 - On one graph, draw a sketch showing the typical...Ch. 7 - Using Figure 7.34, a. Determine the ultimate...Ch. 7 - Three concrete mixes with the same ingredients,...Ch. 7 - Three concrete mixes with the same ingredients,...Ch. 7 - Three 100 mm 200 mm concrete cylinders with water...Ch. 7 - Students in the materials class prepared three 4 ...Ch. 7 - Three 150 mm 300 mm concrete cylinders with water...Ch. 7 - Three 6 in. 12 in. concrete cylinders with water...Ch. 7 - A normal-weight concrete has an average...Ch. 7 - Discuss the significance of the compressive...Ch. 7 - What is the standard size of PCC specimens to be...Ch. 7 - Prob. 7.34QPCh. 7 - What is the purpose of performing the flexure test...Ch. 7 - What are the advantages of using a third-point...Ch. 7 - Consider a standard flexural strength specimen of...Ch. 7 - To evaluate the effect of a certain admixture on...Ch. 7 - To evaluate the effect of a certain admixture on...Ch. 7 - Prob. 7.40QPCh. 7 - Prob. 7.41QPCh. 7 - A normal-weight concrete has an average...Ch. 7 - Three batches of concrete were prepared using the...Ch. 7 - Three batches of concrete were prepared using the...Ch. 7 - Prob. 7.45QPCh. 7 - Prob. 7.46QPCh. 7 - Discuss two nondestructive tests to be performed...Ch. 7 - Discuss the concept of concrete maturity meters.Ch. 7 - Discuss four alternatives that increase the use...Ch. 7 - What is self-consolidating concrete? How are its...Ch. 7 - Prob. 7.51QPCh. 7 - Two 6 in. 12 in. concrete cylinders with randomly...Ch. 7 - Discuss the concept of high-performance concrete....Ch. 7 - Comparing PCC with mild steel, answer the...Ch. 7 - Prob. 7.55QP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- Chapter 13 Question: What is the elasticity of concrete for a normal weight mix (unit weight equal to 150 pcf) with a compressive strength of 5,000 psi? O 3.644 ksi O 4.074 ksi 4,287 ksi O 3.976 ksi O 3,834 ksiarrow_forwardA normal-weight concrete has an average compressive strength of 4500 psi. What is the estimated modulus of elasticity? What is the estimated tensile strength of this concrete?arrow_forwardA normal-weight concrete has an average compressive strength of 31 MPa. What is theestimated modulus of elasticity?arrow_forward
- 10arrow_forwardEstimate the modulus of elasticity for concrete with a density of 120 lb/ft3 and a 28-day maximum compressive strength of 3500 psi.arrow_forwardComparing PCC with mild steel, answer the following questions:a. Which one is stronger?b. Which one has a higher modulus or stiffness?c. Which one is more brittle?d. What is the range of compressive strength for a typical PCC?e. What is the compressive strength for a high-strength concrete?f. What would be a reasonable range for PCC modulus?arrow_forward
- Write the parameters that affect the compressive strength of concrete.arrow_forward1 - please show complete solution, thanks!arrow_forwardGiven grade 60 steel rebar and 4000 psi normal-weight concrete, (a) What is the yield strength of steel? (b) What is the modules of elasticity of the steel? (c) What is the steel strain at the yield point? (d) What is the concrete compressive strength? (e) What is the concrete's modulus of rupture per ACI318-19? (f) What is the concrete' ultimate compressive strain?arrow_forward
- Comparing PCC with mild steel, answer the following questions:a. Which one is stronger?b. Which one has a higher modulus or stiffness?c. Which one is more brittle?d. What is the range of compressive strength for a typical PCC?e. What is the compressive strength for a high-strength concrete?f. What would be a reasonable range for PCC modulus?arrow_forwardWrite three aggregate properties that affect compressive strength of concrete.arrow_forwardUsing the ACI code equation, estimate what would be the modulus of elasticity of this concrete at the required compressive strength if a project specifies a concrete strength of 24.1 MPa.arrow_forward
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