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?

Q: How to get the value of compressive strength of concrete f'c, given the nominal shear stress on…

A: given nominal shear stress on concrete-fv=0.88 MPato find-compressive strength of concrete f'c

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A:

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Q: Discuss the significance of the compressive strength test on concrete. Whatis the typical range of…

A: Significance of the compressive strength test on concrete: The compressive strength of concrete is…

Q: What is the purpose of performing the flexure test on concrete? How are theresults of this test…

A: Answer Flexural strength of concrete The flexure strength of concrete used to measure the tensile…

Q: 13. Comparing ordinary normal Portland Cement Concrete (PCC) with mild steel, answer the following…

A: a. The ordinary normal Portland Cement Concrete (PCC) is stronger than the mild steel.

Q: 7-What is the effect of aggregate grading on the properties of concrete? 8-Describe kinds of slump…

A: Answer 7. Effect of aggregate on the properties of concrete.

Q: A normal-weight concrete has an average compressive strength of 31 MPa. What is the estimated…

A: Average compressive strength of concrete  =31 MPa

Q: What is the modulus of rupture where the sand-lightweight concrete has an f of 4000 psi? (The result…

A: f'c = 4000 psi  Modulus of rupture fr = 7.5λf'c  λ= 1 for light weight concrete

Q: The factors which affect the compressive strength of extracted concrete cores ?

A: Concrete cores are used for testing of actual properties of concrete in existing structure such as…

Q: The maximum applied load on a cylindrical concrete specimen of diameter 150 mm and length 300 mm…

A: Given data- Diameter of the specimen D=150 mmLength L=300 mmLoad P=157 kNTo Find-The split tensile…

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

A: Given: The actual gross dimension of concrete masonry unit is 7-5/8” x 7-5/8” x 7-5/8”. The maximum…

Q: Can poorly graded aggregate impact the compressive strength of concrete? Justify your answer.

A: Poorly graded aggregate have small variations in size. This means that the particles are packed…

Q: The design engineer specifies a concrete strength of 5500 psi. Determine the required average…

A: Given: Strength of concrete = 5500 psi The solution of first three parts are given as: The average…

Q: Three 100*200 mm cylindrical concrete specimens were tested for 28 days compressive strength and…

A: Given data: Compressive strength of the test specimens after 28 days fc1=30.5 MPafc2=29.6…

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 frequency distribution of the compressive strength of 20 concrete cube specimens is given in the…

A:

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

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Q: Is it suitable to use the partial replacement of cement with Calcium bentonite in concrete to…

A: Bentonite is a clay mineral, it is a kind of natural pozzolanic material that improves the…

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

A:

Q: a. Referring to the Figure, which portion of water is used to calculate the water-cement ratio?…

A:

Q: A normal-weight concrete has an average compressive strength of 4500 psi. What is the estimated…

A: compressive strength of concrete      = 4500psi (1)Modulus of elasticity of concrete:-

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

A: Given:- average compressive strength =20MPa To find:- estimated flexure strength

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: What is pozzolanic material; what benefits can be achieved by using Pozzolana with cement in…

A: Pozzolanic material -                                     Pozzolanic materials are a broad class of…

Q: tested in split tensile test, the following results were observed, determine the tensile strength of…

A:

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

A:

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: On which one of the following factors, does strength of concrete depend primarily? (a) Quality of…

A: Water cement ratio is one of the major factor on which strength of concrete depend . As the water…

Q: The flexural strength of a cross-section can be reduced by O A. Replacing larger bars by same number…

A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…

Q: The third-point loading flexure strength test was performed on a IVI ... concrete beam having a…

A: From above figure  2P=35.7 kN P=17.85 kN The expression for maximum moment is given as…

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.…

Q: Comparing PCC with mild steel, answer the following questions:a. Which one is stronger?b. Which one…

A: Given: On Comparing PCC with mild steel, the following questions are determined as,a. Which one is…

Q: An engineer specifies a concrete strength of 27.6 MPa. Determine the required compressive strength…

A:

Q: Explain why we need to use the smooth surface of the cubes for compressive strength testing. What…

A: Hi! Thank you for the question. As per the honor code, we’ll answer the first question since the…

Q: In prestressed concrete we select one of the following materials strengths: Select one: O a. fy =…

A: Prestressing is the process of applying precompression to control the stresses resulting due to…

Q: What is the value of the Whitney stress block parameter, β1β1, for 6000 psi concrete?

A: To find :- Whitney stress blovk parameter B1 for 6000 psi concrete

Q: what is the compressive strength of concrete is a 6" cylindrical sample was tested in utm and failed…

A: Given  Ultimate load = P = 640 KN  Diameter of cylinder = d = 6"

Q: Correctly define which of the stress versus strain graphs represent the comparison of 8 ksi and 4…

A: Stress- Strain curve of any material shows the material deformation caused due to applied load.…

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

A: "As per our guidelines we are supposed to solve the first question, kindly post the other question…

Q: If concrete has a compressive strength of 3200 psi at ambient temperature, what would be the…

A: Given: The compressive strength of concrete is 3200 psi. The temperature is 700oC.

Q: 2. What is the standard size of PCC specimens to be tested for compressive strength? If a smaller…

A: 2). The standard size of the PCC specimen is used in testing is 150x150x150 mm. most 150 mm cubes…

Q: The results of a laboratory experiment to evaluate the effects of a plasticizer are shown. a.…

A: Given data, Plasticizers are used for improving the properties of concrete such as strength, slump,…

Q: What factors influence the creep of concrete? What are the types and grades of the steel…

A: Brief concept- Creep of concrete- It is defined as the deformation in the concrete due to sustained…