Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 8, Problem 8.10QP
a)
To determine
The shape of the concrete masonry.
b)
To determine
The gross area compressive strength.
c)
To determine
The net area compressive strength.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A concrete masonry unit has actual gross dimensions of 7@5/8′′ * 7@5/8′′ *7@5/8′′. The unit is tested in a compression machine with the following results:Maximum failure load = 81,000 lbNet volume = 294.2 in3a. Is the unit categorized as solid or hollow? Why?b. Calculate the gross area compressive strength.c. Calculate the net area compressive strength.
A concrete masonry unit has actual gross dimensions of 7@5/8′′ * 7@5/8′′ *7@5/8′′. The unit is tested in a compression machine with the following results:Maximum failure load = 83 kipsNet volume = 312.7 in.3a. Is the unit categorized as solid or hollow? Why?b. Calculate the gross area compressive strength.c. Calculate the net area compressive strength.
Problem 2: If f = 3 ksi what is the modulus of elasticity Ec and the maximum tensile stress fr
that the concrete can carry before cracking (use ACI recommended equations). Assume a unit
weight of the plain concrete is: a. Wc = 90- b. w
lb
lb
118-
ft39
ft3) C. W = 160-
Problem 3: Wight 3-6
Rugblom 4: Wight ? 7
lb
ft3
Chapter 8 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 8 - Prob. 8.1QPCh. 8 - Prob. 8.2QPCh. 8 - Prob. 8.3QPCh. 8 - Prob. 8.4QPCh. 8 - Prob. 8.5QPCh. 8 - Prob. 8.6QPCh. 8 - Prob. 8.7QPCh. 8 - Prob. 8.8QPCh. 8 - Prob. 8.9QPCh. 8 - Prob. 8.10QP
Ch. 8 - Prob. 8.11QPCh. 8 - A portion of a medium-weight concrete masonry unit...Ch. 8 - A portion of a concrete masonry unit was tested...Ch. 8 - A concrete masonry unit was tested according to...Ch. 8 - Prob. 8.15QPCh. 8 - Prob. 8.16QPCh. 8 - A severe weathering clay brick was tested for...Ch. 8 - Prob. 8.18QPCh. 8 - What is the grout? What is the grout used for?Ch. 8 - Prob. 8.20QP
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
- A concrete masonry unit has actual gross dimensions of 190 mm * 190 mm *190 mm. The unit is tested in a compression machine with the followingresults:Maximum failure load = 370 kNNet volume = 5125 cm3a. Is the unit categorized as solid or hollow? Why?b. Calculate the gross area compressive strength.c. Calculate the net area compressive strength.arrow_forwardA hollow concrete masonry unit has actual gross dimensions of 190 mm X190 mm X 390 mm (width X height X length). The unit is tested in a compression machine with the following results:Failure Load = 1110 kNNet volume of 6 X 106 mm3a. Calculate the gross area compressive strength.b. Calculate the net area compressive strength.arrow_forwardA hollow concrete masonry unit has an actual dimension of 150mm x 200mm x 400mm(W x H x L). The unit was tested in a compression machine with the following result.Failure load = 1,200 kNNet volume = 4,400,000 mm2Determine: a) the gross area compressive strength.b) the net area compressive strength.arrow_forward
- A concrete masonry unit has actual gross dimensions of 7@5/8′′ * 7@5/8′′ *7@5/8′′. The unit is tested in a compression machine with the following results:Failure load = 98,000 lbNet volume of 348.1 in3a. Is the unit categorized as solid or hollow?b. Calculate the gross area compressive strength.c. Calculate the net area compressive strength.arrow_forwardA concrete masonry unit has actual gross dimensions of 190 mm * 190 mm *190 mm. The unit is tested in a compression machine with the followingresults:Failure load = 436 kNNet volume of 224516 mm3a. Is the unit categorized as solid or hollow?b. Calculate the gross area compressive strength.c. Calculate the net area compressive strength.arrow_forwardA concrete masonry unit has actual gross dimensions of 190 mm X 190 mm X190 mm. The unit is tested in a compression machine with the followingresults:Maximum failure load = 370 kNNet volume = 5125 cm3a. Is the unit categorized as solid or hollow? Why?b. Calculate the gross area compressive strength.c. Calculate the net area compressive strength.arrow_forward
- 6. Discuss the different types of volume change in concrete at early and long-term ages.arrow_forwardChapter 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 concrete masonry unit has actual gross dimensions of 7-5/8” * 7-5/8” * 7-5/8”. The unit istested in a compression machine with the following results:Max. Failure load = 83 kipsNet volume = 312.7 in3a) Is the unit categorized as solid or hollow? Why?b) Calculate the gross area compressive strength.c) Calculate the net area compressive strength.arrow_forward
- Correctly define which of the stress versus strain graphs represent the comparison of 8 ksi and 4 ksi concrete for the chart below (say left or right). Qualitatively compare the w/c ratio, elastic modulus, and brittleness. 0.000 0.003 0.000 0.003 Sean, e Sane Feure 2 Strss vesus Srain curves Feure 2. Stress vasus rain curvearrow_forwardA concrete masonry unit has actual gross dimensions of 190 mm X 190 mm X190 mm. The unit is tested in a compression machine with the followingresults:Failure load = 436 kNNet volume of 224516 mm3a. Is the unit categorized as solid or hollow?b. Calculate the gross area compressive strength.c. Calculate the net area compressive strengtharrow_forwardA concrete mix includes the following ingredients per cubic meter: a. Cement = 400 kg b. Water = 176 kg c. No admixture Table P6.30 shows possible changes that can be made to the mix ingredi- ents. Indicate in the appropriate boxes in the table what will happen in each case for the workability and the ultimate compressive strength as increase, decrease, or approximately the same.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Structural Analysis (10th Edition)Civil EngineeringISBN:9780134610672Author:Russell C. HibbelerPublisher:PEARSONPrinciples of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
- Fundamentals of Structural AnalysisCivil EngineeringISBN:9780073398006Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel LanningPublisher:McGraw-Hill EducationTraffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:9780134610672
Author:Russell C. Hibbeler
Publisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:9780073398006
Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning