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

Q: To produce 1 cubic yard of air-entrained concrete with target slump of 2 inch, what is the required…

A: Air-entrained concrete contains billions of microscopic air cells per cubic foot. These air pockets…

Q: How can fine pozzolans reduce bleeding of fresh concrete?

A: Bleeding: A phenomena in concrete in which the free water available in the mix rises to the top and…

Q: Define the process of modeling reinforced concrete with abaqus?

A: Answer:- Abacus modeling:- On the basis of the central objectives three dimensional Finite Element…

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

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Q: Q/Discuss the statement Why are there three types of failure in the compressive test of concrete?

A: The compression failure are defined in terms of the three well known failure modes:…

Q: Describe the difficulty of designing a concrete mixture and the necessity of compressive strength.

A: The concrete mix design is important for any concrete structure. Various factors are involved in…

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

A: Given-Normal weight concrete having compressive strength of 4500 psi. Required-To estimate the…

Q: What is the recommendations of Bulk density of concrete lab test? What is the errors that might…

A: Explanation- The density testing in hard concrete is performed to determine the relative yield, and…

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 group of 45 tests on a given type of concrete hada mean strength of 4820 psi and a standard…

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Q: what are the effects of aggregates in the performance of concrete?

A: Aggregates: ‘Aggregate’ is a term used for any particulate material that may  includes gravel,…

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: 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: 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: What's the importance of determining the soundness of cement to civil/structural engineers in the…

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Q: How do the properties of aggregate affect the quality of the concrete mix?

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Q: A concrete masonry unit has actual gross dimensions of 190 mm * 190 mm *190 mm. The unit is tested…

A: Given, Net volume = 5125 cm3 Maximum failure load = 370 kN It is required to determine the net…

Q: would happen to concrete during early hours casting?

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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: What is self-consolidating concrete? How are its properties achieved? Howare these properties…

A: Self-consolidating concrete or self-compacting concrete (SCC) is a concrete mix which has a low…

Q: Explain the significance of measuring the mechanical properties of hardened concrete and where it…

A: The mechanical properties of hardened concrete: The mechanical properties evaluates the performance…

Q: On the 28th day after concrete was mixed, a 6.00-in-diameter concrete cylinder failed in a…

A: Given data, Diameter of cylinder d = 6 in Compressive load P = 145000 lb Factor of safety γ0 = 5

Q: Define the importance of Selecting an appropriate value for the compressive strength, f'c , of…

A: Compressive strength is main factor influencing stress strain behavior of concrete and hence should…

Q: n the 28th day after concrete was mixed, a 6.00-in-diame a compressive testing at a load of 145 000…

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Q: How Does the Ratio of Sand to Cement Affect the Strength of Concrete? Explain in details.

A: Basic ingredients of concrete are as follows :- a) Cement b) Sand c) Aggregate d) Water

Q: Explain the effects of chemical and pozzolanic admixture on the fresh and hardened properties of…

A: Solution: Producers use admixtures to reduce the cost of concrete construction to modify the cost…

Q: What cost advantages may be obtained from the use of fiberreinforced concrete?

A: Fiber reinforced concrete is a conctete containing  fibrous material . Their are different type of…

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

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Q: 6% (Q.5) Discuss the influence of plastic shrinkage of concrete? How can control of plastic…

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Q: Which durability problems of concrete can you face in Trabzon? Explain your answer.

A: The durability is the ability of concrete to resist the chemical actions, also the durability…

Q: 1. What are the main reasons of concrete segregation? 2. What are the main causes of plastic…

A: Answer NOTE- According to Bartleby guidelines only give the answer of the first question. If you…

Q: Controlling excessive temperature gradients in large concrete masses is very crucial. Explain in…

A: After the placement of the concrete, monitoring the temperature of concrete is one of the most…

Q: what are the physical and mechanical properties of concrete? list differently

A: Solution: Concrete is considered one of the most efficient materials used for construction due to…

Q: What's the importance of determining the soundness of cement to civil/structural engineers in the…

A: The soundness of Cement : 1. The soundness of cement can be defined as its ability to retain its…

Q: What is the relationship of rodded bulk density to percentage voids in aggregates? What is the…

A: Rodded bulk density And void percentage in aggregates  Rodded bulk density is nothing but the…

Q: Subject concrete technology Q: a)What particular precautions would you take when concreting (i) In…

A: Thank you for the question . As per honour code we are allowed to answer the first question since…

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: Q/ By your own opinions, list the factors that affect the compressive strength of concrete , with…

A: The following are the factors that affects the compressive strength of concrete.  Size and Shape of…

Q: Why is strength the property most valued in concrete by designers and quality control engineers?

A: Among the properties of any materials which govern their feasibility to be used in intended place or…

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: 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: What’s the process of concrete compression failure?

A: Compression Failure of Concrete. Failure of the concrete mass is witnessed when the load acting on…

Q: What's the importance of determining the soundness of cement to civil/structural engineers in the…

A: Soundness test is performed to determine the volumetric expansion of cement paste. It is determined…

Q: Two cylindrical specimens, made up of the same concrete, with the following dimensions: Height (cm)…

A: Given Data: Diameter of Specimen A is DA=15 cm. Diameter of Specimen B is DB=15 cm. Height of…