Discuss the concept of concrete maturity meters.
Q: b-What is the range value of compressive strength for normal concrete 7 days and 28 days? 7-What is…
A: Note:- As there are 5 questions asked but as per guidelines we are allowed to answer only one…
Q: how many slump test should be performed per given volume of concrete mix?
A: Slump Test- It is done to check the workability of the concrete. This test is suitable for the…
Q: Q/Discuss the statement Why are there three types of failure in the compressive test of concrete? 2…
A: Workability, air content, and maturity are all routine standard testing for new concrete. The most…
Q: Draw a graph showing the typical relation between the compressive strength and age for continuously…
A: The graph is showing the important relationship between the compressive strength and age for…
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: 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: Two groups of concrete produced with exactly the same mixing properties are given in the Table…
A: Solution: Explanation of part A: Given: Ratio of Water/Cement of first concrete=0.45 Ratio of…
Q: 1. Find the volume of concrete needed to fill the slump cone for the test. 2. Find the volume of…
A: Dimensions of slump cone apparatus is given. We need to find out 1. volume of concrete needed to…
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 group of 45 tests on a given type of concrete hada mean strength of 4820 psi and a standard…
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Q: Define the Percentage of Kevlar (K49) to be used in Concrete ?
A: The fibers tested during this study are commercially available: Kevlar 119, 29, 129, forty nine and…
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: Define the relation between consistency of cement and W/C ratio of concrete?
A: Consistency of cement The consistency of a cement paste is defined as the percentage of water…
Q: What is the maximum diameter of aggregate considering the depth of the slab in cm if the value of d…
A: This question is related to the design of RCC Structure.
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: 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: 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: III. FIELD TEST FOR FRESH CONCRETE DESCRIBE and EXPLAIN what type of test is conducted on the image…
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Q: Write four aggregate properties that affect the compressive strength of concrete. (3 P)
A: Four aggregate property that affect the compressive strength of concrete: 1. Size of the aggregate…
Q: In the context of concrete structures, what is shrinkage? How does it occur? Discuss the factors…
A: Shrinkage:- The decrease in either length or volume of material results from changes in moisture…
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: 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: 6-What is the range value of compressive strength for normal concrete 7 days and 28 days? 7-What is…
A:
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: 1. From the following figure, List down the concrete materials by any method using. class "A"…
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Q: 4. What is the standard size of Portland Cement Concrete (PCC) specimens to be tested for…
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Q: Slump is the measure of concrete consistency and fluidity. Explain the indication of true slump,…
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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: explain how to avoid voids during concrete pouring
A: we have to asked how to avoid voids during concrete pouring
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: Discuss the different types of volume change in concrete at early and long-term ages.
A: Answer:- Volume change of concrete: Concrete changes somewhat in volume for several reasons, and…
Q: 1. Find the volume of concrete needed to fill the slump cone for the test. 2. Find the volume of…
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: A concrete masonry unit has actual gross dimensions of 7-5/8 inch.*7-5/8 inch.*7-5/8 inch. The unit…
A: Given: Gross dimensions = 7-5/8” x 7-5/8” x 7-5/8” Failure load = 110 kips Net volume = 366.2 in3
Q: What are the purposes of testing concrete?
A: The given question asks regarding the purposes of testing concrete.
Q: Write three aggregate properties that affect compressive strength of concrete.
A: Properties of the aggregate that affects the compression strength are as follows: Size of aggregate…
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: Q1/ The below frequency table shows the compressive strength values for tested concrete cubes.…
A: Calculating the average compressive strength values : Compressive strength (N/mm2) Average…
Q: A hollow concrete masonry unit has an actual gross dimension of 150mm x 200mm x 400mm (width x…
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Q: What is the purpose of Aggregate moisture content test?
A: It is asked to answer about the purpose of aggregate moisture content test.
Q: What would be a reasonable range for Portland Cement Concrete modulus?
A: Portland cement concrete is the concrete in which coarse aggregate , fine aggregate and some…
Q: Discuss four alternatives that increase the use and application of conventional concrete.
A: Conventional concrete refers to normal concrete mix or it is also known as conventional vibrated…
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: Four standard concrete cylinders of 6-inch diameter cross section were tested under uniformly…
A:
Q: 1 / Cube of concrete 100 mm long pressed with a ressure test of 98 mm length. To determine the…
A: Original length=100mm Change in length=100-98 =2mm
Q: Describe the challenge of concrete mixture design and the importance of compressiv
A: Challenges of concrete mixture design - Bad adaptability leads to cement concrete slump loss…
Q: what is the value of gel porosity in concrete ?
A: Brief Concept Introduction: Concrete: It is the mixture of cement (binding material), aggregates,…
Discuss the concept of concrete maturity meters.
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- Compare and contrast the differences between concrete and cement in DETAILED PARAGRAPHS.Please give me both a and b answers a. If a concrete with 28 day compressive strength of 4500 psi is being poured, then it how much strength would you expect after 7 days(assuming good curing conditions)? Explain how you obtain the 7 day strength? b. Briefly explain the effect of water to cement ratio on concrete strength?Describe effect of height to diameter ratio on concrete stremgth
- A 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.35.What is the workability of concrete mixtures? How to evaluate it? please quickly thanks !1A 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.