A concrete masonry unit is tested for compressive strength and produces the following results: Failure load = 850 kN Gross area = 0.081 m2 Gross volume = 0.015 m3 Net volume = 0.007 m3 Is the unit categorized as solid or hollow? What is the compressive strength of the concrete masonry unit?

A concrete masonry unit is tested for compressive strength and produces the following results: Failure load = 850 kN Gross area = 0.081 m2 Gross volume = 0.015 m3 Net volume = 0.007 m3 Is the unit categorized as solid or hollow? What is the compressive strength of the concrete masonry unit?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: How does curing over time affect the splitting tensile strength of concrete?

A: Right after the water is added to the mix, Hydration starts taking place and it requires much…

Q: A concrete masonry unit is tested for compressive strength and produces the following results:…

A: Given, P = 120000 lb Ag = 130 in2 Vg = 960 in3 Vn = 447 in3

Q: A concrete masonry unit has actual gross dimensions of 7-5/8” * 7-5/8” * 7-5/8”. The unit is tested…

A: (a) It is required to determine whether the unit is hollow or solid: Gross volume (V)…

Q: A concrete masonry unit is tested for compressive strength and produces the following results:…

A: It is given that :

Q: A concrete masonry unit is tested for compressive strength and produces thefollowing results:Failure…

A: The given data is: Failure load = 726 kN Gross area = 0.081 m2 Gross volume = 0.015 m3 Net volume…

Q: Explain in detail about stress–strain relations of randomly oriented fiber-reinforced concrete with…

A: Fiber-Reinforced Concrete : 1. Technologically, the most important composites are those in which the…

Q: The square cross section of a reinforced concrete tie is 8 in. x 8 in., and it is reinforced with 8…

A: Here is the calculation of the area of steel and gross area:

Q: 3) What does the area under the strain stress curve represent and what is the advantage of…

A: Steel is a ductile material which can have many deformations before failure. The concrete is a…

Q: A normal-weight concrete has an average compressive strength of 20 MPa. What is the estimated…

A: Flexural strength of concrete is between 10-20% of compressive strength ie 2-4 N/mm2 or MPa

Q: removed? Calculate the coefficient of creep for normal strength concrete years. Assume the loading…

A: Members have residual creep strain even after removal of creep load cause : The residual strain is a…

Q: Estimate the modulus of elasticity for concrete with a density of 120 lb/ft3 and a 28-day maximum…

A: Given data, Density of concrete = 120 lb/ft³ Maximum compressive strength of concrete (fc)…

Q: What happens if any concrete cube fails in 28 days compressive strength test?

A: concrete compressive strength is the material ability to sustain load without showing deflection and…

Q: A normal-weight concrete has an average compressive strength of 30 MPa. What is the estimated…

A: The expression for modulus of elasticity is given by, Here, f’c is the average compressive strength…

Q: The concrete grade can be written as C X/Y (e.g C25/30). The parameters X, and Y correspond to which…

A: Elaborating terms in nomination of concrete

Q: What is the importance of flexural strength in concrete?

A: Flexural strength is defined as the measure of the tensile strength of the concrete. Actually it is…

Q: 150 mm * 300 mm concrete cylinders were made of the same batch and separated at random to six equal…

A: The given data is shown below:

Q: If we wanted to determine the flexural strength of concrete, what shape should the specimens have?

A: Flexural strength of concrete is very essential for beam structures. The main purpose of the beam…

Q: A hollow concrete masonry unit has actual gross dimensions of 3 in. X 31 in. X 3 in. (width x height…

A: Given, Gross dimensions=3 in. X 31 in. X 3 in. Failure load P=203 kips Net volume nnet=331 cubic in…

Q: Three 6 in. * 12 in. concrete cylinders with water to cement ratios of 0.4, 0.6,and 0.8,…

A: (a) For specimen 1. The expression for the compressive stress is given by, Substitute the value in…

Q: What is meant by the modular ratio and Poisson’s ratio? Give approximate values for concrete

Q: Using the ACI code equation, estimate what would be the modulus of elasticity of this concrete at…

A: Modulus of elasticity of concrete= 4700f'c= 4700*4.909=23073.123 MPa As per ACI Code

Q: What is the value of the Whitney stress block parameter, β1, for 6000 psi concrete?

Q: Three standard mortar cubes were made using nonpotable water available at the job site, and three…

A: ASTM standards : - Average Compressive strength of Non - potable water should be greater than 90 %…

Q: The modulus of elasticity of a normal concrete with f'c = 28MPa and density of 2350kg/m3 is nearest…

A: Given:- f'c= 28 Mpa Density of concrete=2350 kg/m^3 Find module of electricity of normal…

Q: What is the distinction between cement and concrete? Explain three techniques that are utilized to…

A: The simplest form of concrete is a mixture of paste and aggregates. The fine and coarse aggregates…

Q: A portion of a normal-weight concrete masonry unit was tested for absorption and moisture content…

A: ASTM C140 Mass of unit as received, Mo = 7024 g Saturated mass of Unit, Msat 7401 g Oven-dry mass…

Q: eter of the sample is 6”. a 31.1 MPa b 30.1 MPa

A: Average strengthC=55100+54800+552003=55033.3kgStrength in 'N'=55033.3kg×10=550kNso,

Q: Write discussion about Compressive strength of cube and Cylinder concrete specimens.

A: Compressive strength:- The ability of concrete to withstand loads before failing is known as…

Q: Adding an air entrainment agent to concrete would introduce more air to concrete, which would reduce…

Q: A hollow concrete masonry unit has an actual dimension of 150mm x 200mm x 400mm (W x H x L). The…

Q: How does gypsum affects the performance of concrete?

A: Context: Gypsum in concrete

Q: Three standard mortar cubes were made using nonpotable water available at the job site, and three…

A: Standard Requirements of ASTM for adding water in concrete are as follow ; - Average compressive…

Q: 4. Please discuss the Poisson's ratio of concrete in terms of compressive strength. Is there an…

A: Poisson's ratio is defined as ratio of transverse strain to the ratio of longitudinal strain .…

Q: Consider the following strengths of concrete: 1. Cube strength 2. Cylinder strength 3. Split-tensile…

Q: Write the parameters that affect the compressive strength of concrete.

A: Parameters Affecting Compressive Strength of Concrete : There are many parameters that affect the…

Q: A normal-weight concrete specimen tested at 28 days yielded the following results: (a) A 6 in.…

A: Only solving first 3 parts .If you want solution of 4th part,repost the question with 4th part.…

Question

100%

A concrete masonry unit is tested for compressive strength and produces the following results:
Failure load = 850 kN
Gross area = 0.081 m2
Gross volume = 0.015 m3
Net volume = 0.007 m3
Is the unit categorized as solid or hollow? What is the compressive
strength of the concrete masonry unit?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

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 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.
A hollow concrete masonry unit has an actual gross dimension of 150mm x 200mm x 400mm (width x height x length). The net volume is 10,000,000 mm3. Calculate; the gross area compressive the net area compressive strength
6. How do you calculate the flexural strength of concrete?.
A hollow concrete masonry unit has an actual gross dimension of 150mm x 200mm x 400mm (width x height x length). The net volume is 10,000,000 mm3. Calculate; a.) the gross area compressive and b.) the net area compressive if the failure load is 500,000N.
the last part is where I'm having trouble..
10
2. 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? 3. 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? 4. What are the advantages of using a third-point loading flexure test over a center-point loading flexure test? Draw a shear force diagram and a bending moment diagram for each case to support your answer.
What is the compressive strength of Concrete if a 6" cylindrical sample was tested in UTM and failed at 640 kN load? о 35 MPа о 28.5 MPа o 28 MPa o 30 MPa
Why is the compression test the one most frequently made for concrete?
What 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 elasticity