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

Q: What is the minimum strength that concrete must reach prior to freezing so that the overall strength…

A: The minimum strength that concrete mus overall strength gain is not affected:

Q: If you knew that the cubic compressive strength of a certain type of concrete is 35 MPa, then…

A: Given:- compressive strength=35MPa=35N/mm2 To find:- Load

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

A:

Q: The design engineer specifies a concrete strength of 5575 psi. Determine the required average…

A: Given, Specifies  concrete strength = f'c=5575 psi

Q: The strength of concrete prepared, cured & tested under specified conditions at a given age is…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: 6-What is the range value of compressive strength for normal concrete 7 days and 28 days?

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What is lightweight concrete? What are Nonstructural applications  of lightweight concrete ?

A: Lightweight concrete  Light weight concrete can be defined as type of concrete which includes an…

Q: How are the results of this performing the flexure test on concrete related to the compressive…

A: The flexural strength of concrete is calculated by  One point loading method Two-point loading…

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 problems are likely to occur if concrete has too low a slump? Too high a slump? How can the…

A: What problems are likely to occur if concrete has too low a slump?   Concrete with a low slump has a…

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: Consider the following statements: The effect of an air entrainment in concrete is to 1. increase…

A: Air entrainment in concrete : Increased workability  Increased resistance to freezing and thawing…

Q: 6) What are the three methods for measurement of tensile strength of concrete? Indicate which…

A: Since, the question to be solved is not specified, the solution for question 6 is as follows: The…

Q: 6. Calculate the compressive stress in a 6-in.-diameter by 12-in.-high concrete test specimen if the…

A:

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

A: It is required to determine the estimated modulus of elasticity of the concrete. Here, fc’ is the…

Q: What is the permissible tensile strength of concrete , M150 ?

A: Given data: Grade of concrete = M150 To find- The permissible tensile strength of concrete.

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: 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: 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: 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: Question 5 v Saved What is the minimum acceptable compressive strength o GDOT class "AA" concrete?…

A: Since the question number to be solved is not specified, the solution of Question 5 is as follows:…

Q: Among the methods in determining the tensile strength of concrete, which of them is the best method…

A: The tensile strength of concrete can be divided into three types- 1. Flexural tensile strength- It…

Q: Which one of the following types of concrete is most suitable in extreme cold climates? (a)…

A: Vacuum concrete is used for production in factory for precast unit . Air entrained concrete have air…

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

A:

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

A: Given data: Plasticizers are used for various purposes according to the requirement of…

Q: 4. What is the standard size of Portland Cement Concrete (PCC) specimens to be tested for…

A:

Q: 1. A normal-weight concrete has an average compressive strength of 4500 psi. What is the estimated…

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: Chapter 13 Question: What is the elasticity of concrete for a normal weight mix (unit weight equal…

A:

Q: The strength of a fully matured concrete sample is 500 kg/cm². When cured at an averag temperature…

A:

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

A: Given data: Diameter = 150 mm Length = 300 mm Maximum load applied =  157 kN = 157×103 N

Q: A (15x15x60) cm concrete beam is subjected to three-point bending. If the amount of load at fracture…

A:

Q: What factors affect the shrinkage of concrete?

A: Shrinkage of concrete:

Q: The target mean strength of the M20 grade concrete is 27 N/mm?. What is the value of standard…

A: To Determine Value of Standard deviation, σ

Q: Explain what is pozzolanic material; write 5 benefits that can be achieved by using Pozzolana with…

A: Pozzolana cement is a combination of portland cement and pozzolanic material. This pozzolanic…

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: A hollow concrete masonry unit has an actual gross dimension of 150mm x 200mm x 400mm (width x…

A:

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

A: PCC (Plain Cement Concrete) is stronger than mild steel. PCC (Plain Cement Concrete) has higher…

Q: A. Differentiate between plain and reinforced concrete; why concrete is reinforced? B. What is the…

A: Question is based on concrete technology . In the question we have to differentiate between…

Q: Given grade 60 steel rebar and 4000 psi normal-weight concrete, (a) What is the yield strength of…

A: Yield strength & modulus of elasticity of the steel; a) The yield strength of steel (fy) is the…

Q: Consider the following data for concrete with mild exposure Water-cement ratio = 0.50 Water = 191.6…

A:

Q: What is the target mean strength (N/mm²) of the M30 grade concrete, if the standard deviation is…

A: given- grade of concrete=M30⇒fck=30 N/mm2standard deviation σ=5