Materials for Civil and Construction Engineers (2nd Edition)
null Edition
ISBN: 9781292154411
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 7, Problem 7.35QP
What is the purpose of performing the flexure test on concrete? How are the results of this test related to the compressive strength test results?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
What is the purpose of performing the flexure test on concrete? How are theresults of this test related to the compressive strength test results?
How are the results of this performing the flexure test on concrete related to the compressive strength test results?
What is the standard size of PCC specimens to be tested for compressive strength? If a smaller size is used, which size is expected to provide higher compressive strengths? Why? Which size provides strengths close to that of an actual concrete structure?
Chapter 7 Solutions
Materials for Civil and Construction Engineers (2nd 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
Knowledge Booster
Learn more about
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
- what is the compressive strength of concrete is a 6" cylindrical sample was tested in utm and failed at 640 kn load?arrow_forwardWhat is the recommendations of Bulk density of concrete lab test? What is the errors that might happen on this lab test and how to prevent it? Recommendations for at least 4 industrial applications with details provided.arrow_forwardWhat happens if any concrete cube fails in 28 days compressive strength test?arrow_forward
- What is Physical test in cement? elaborate/discussarrow_forwardPlease perform an experiment and provide a report on Rebound Number of Hardened Concrete and cover the following details - ASTM Designation Purpose Significance and Use Apparatus Test Procedure Test Conditions Reportarrow_forwardWhat conclusion can be made from concrete slump test.arrow_forward
- Explain why we need to use the smooth surface of the cubes for compressive strength testing. What would be the strength reading if you have used cylinders instead? 6. Discuss the correlation of UPV in terms of compressive strength anf concrete quality? 7. Discuss possible errors leading to unsatisfactory results. What are the modifications that might help to resolve these errors? 8. In your own words, explain your observations on how w/c, admixtures and puzzolans influenced the strength of concretearrow_forwardA group of 45 tests on a given type of concrete hada mean strength of 4820 psi and a standard deviationof 550 psi. Does this concrete satisfy the strengthrequirementfor 4000-psi concrete?arrow_forwardAn engineer specifies a concrete strength of 27.6 MPa. Determine the required compressive strength for;a. a plant for which the standard deviation, s = 3.6 for 20 test results.b. a plant for which there are available 12 test results.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Fundamentals Of Construction EstimatingCivil EngineeringISBN:9781337399395Author:Pratt, David J.Publisher:Cengage,
Fundamentals Of Construction Estimating
Civil Engineering
ISBN:9781337399395
Author:Pratt, David J.
Publisher:Cengage,
Pricing Concrete Jobs - 24' X 24' Concrete Floor (Prep, Pour, Finish); Author: Mike Day Concrete;https://www.youtube.com/watch?v=V-fgI1Hiu9w;License: Standard Youtube License