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 7.54QP
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?
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Check out a sample textbook solutionStudents have asked these similar questions
Briefly discuss each properties of concrete.
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c. Tensile strength
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h. Creep
Correctly define which of the stress versus strain
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Qualitatively compare the w/c ratio, elastic
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0.000
0.003
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Chapter 13 Question:
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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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- Briefly discuss each properties of concrete. a. Compressive strength b. Flexural strength c. Tensile strengtharrow_forwardWhy is reinforcing steel used in concrete? Discuss the typical properties ofreinforcing steel.arrow_forward12. A normal-weight concrete has an average compressive strength of 20 MPa. What is the estimated flexure strength? What is the estimated tensile strength?arrow_forward
- A normal-weight concrete has an average compressive strength of 20 MPa. What is the estimated flexural strength in MPa?arrow_forwardA normal-weight concrete has an average compressive strength of 20 MPa.What is the estimated flexure strength?arrow_forwardBriefly discuss each properties of concrete. a. Shear strength b. Modulus of elasticity c. Poisson’s ratioarrow_forward
- A 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_forwardObjective Questions : Answer the following question briefly. 1. How do you test flexural strength ? 2. How do you conduct the flexural strength of concrete ? Show a sketch. 3. What are the factors affecting flexural tests? 4. What is the importance of flexural strength in concrete? 5. What does the higher flexural modulus mean ? 6. How do you calculate the flexural strength of concrete?. 7. Why is flexure test two point loading.?arrow_forward6. Discuss the different types of volume change in concrete at early and long-term ages.arrow_forward
- | Choose the most appropriate answer for the following: 3. Which one of the following is not categorized as a long-term loss of pre-stress in a pre-stressed concrete member? Loss due to elastic shortening b. Loss due to creep c. Loss due to shrinkage а. d. Loss due to relaxation of steel 4. One of the following is not correct for pre-stressed concrete: a. Reducing cracks in the concrete b. High strength of concrete and steel c. Costy d. Suitable for long span and those carrying heavy loads. 5. Cross ties are used if the distance between a bar and the corner bar is greater than... 100 inches b. 100 cm c. 150 inches d. 150 mm а.arrow_forwardThe flexural tensile strength of M25 grade of concrete, in N/mm², as per IS:456-2000 is A 0.5 B 5 C 2.25 D 3.5arrow_forwardWhat factors influence the creep of concrete? What are the types and grades of the steel reinforcement used in reinforced concrete? On the stress-strain diagram of a steel bar, show and explain the following: proportional limit, yield stress, ultimate stress, yield strain, and modulus of elasticityarrow_forward
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What is Concrete?; Author: Practical Engineering;https://www.youtube.com/watch?v=UOHURuAf5iY;License: Standard Youtube License