According to ASTM C33 Standard Specification for concrete Aggregates, what is the maximum size aggregate?
Q: What do you mean by concrete's workability, why do we need it, and how do different aggregate…
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Q: The quality control of concrete construction is an important part of concrete sub project.
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Q: Discuss five different desirable characteristics of aggregate used in portland cement concrete.
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A: a.The effect of water content on flow ability, segregation and strength of concrete: The water…
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A: Solution: Choice of slump = 70 mm Choice of maximum size of aggregate = 32 mm Estimate of water…
Q: what are the effects of aggregates in the performance of concrete?
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Q: What is the Significance of Water absorption of coarse aggregate?
A: Water Absorption of Coarse Aggregates: The water absorption of coarse aggregates represent the…
Q: How long can ready-mix concrete remain in the mixer and still be used?
A: Time to be used of Ready Mixed Concrete (RMC) after mixing the water:
Q: Can a natural fiber become an additive in concrete to improve its performance?
A: Brief concept introduction- Natural Fiber- Natural fibers are derived from natural sources such as…
Q: Define the fineness modulus of aggregate. What is it used for?
A: The fineness modulus is the measure of the fine aggregate’s gradation. The fineness modulus of…
Q: Does fine aggregates suits concrete mixing
A: The goal of good concrete mix design is to blend aggregates to minimise the space between…
Q: write small introduction about (cement, fine aggregate, coarse aggregate ) also about superplstizer…
A: Cement is a binding substance used for building, and civil engineering construction works. Cement is…
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A: Given Required design strength = 27.6 MPa Minimum dimension = 150 mm Minimum space between rebar =…
Q: Elaborate/explain the scope and significance use in ASTM c70 - standard test method for surface…
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Q: Q3: B: Design the concrete mix according to the following conditions: Design Environment Building…
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Q: How do the properties of aggregate affect the quality of the concrete mix?
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Q: what is the effect of bulk specific gravity, bulk specific gravity (SSD), apparent specific gravity,…
A: Brief concept- Concrete mix- It has several components such as cement, water, coarse and fine…
Q: Define the minimum weight of fine aggregate for sieve analysis as per ASTM C136 ?
A: ASTM C136, 2006 Edition, February 15,2006 - Standard Test Method for sieve analysis of Fine and…
Q: What limits you to use both types of concretes? (Performance and any relevant aspects - Not…
A: Answer Introduction Ready-mix concrete is very old technology. the ready mix concrete is the first…
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…
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Q: (c) What is the requirement of workability in concrete mix? How consistency is different from…
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Q: (c) Table Q1(c) shows a laboratory test result for the course granite aggregate with size 19 mm.…
A: We know bulk SG of oven dried sample is Gbo=W1W2+W3-W4Water absorption isWabs=W3-W1W1×100
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Q: What is pozzolanic material; what benefits can be achieved by using Pozzolana with cement in…
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Q: Explain why shape, surface texture, and gradation are more important for aggregate use in normal…
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Q: How does the increase of maximum aggregate size used in the concrete mix design affect the…
A: We know for best results the gradation should be well graded. For well-graded aggregates, the voids…
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: How do all stabilizing techniques increase the strength of aggregate??
A: Given: Aggregates…
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…
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A: Yes ratio of tensile strength to compressive strength of concrete Importance in strength of…
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Q: What is the maximum aggregate size that can be used in concrete for the following conditions:
A: maximum size of aggregate in non-reinforced walls= 40 to 75 mm (1.5 to 3 inch) For R.C. Foundation…
Q: MAKING AND CURING OF CONCRETE TEST SPECIMENS what is the volume of concrete?
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Q: According to ASTM C33 Standard Specification for concrete Aggregates, what is the nominal maximum…
A: Nominal maximum size: The minimum size through which the entire aggregate passes
Q: What kind of admixtures are used to prepare a concrete mix of 80Mpa.
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Q: What is the fineness modulus of this aggregate?
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Q: What are the common minerals found in various kinds of aggregates used in concrete?
A: Finding out common minerals found in various kinds of aggregates used in concrete.
Q: What is the means of this ASTM C70 - Standard Testing Method for Surface Moisture in Fine Aggregates
A: This test technique isn't wide used. However, it's a convenient procedure for field or plant…
Q: Why is it necessary to measure the air content of concrete at the job site rather than at the batch…
A: It is necessary to measure the air content of concrete at the job site rather than at the batch…
Q: Table Q1(c) shows a laboratory test result for the course granite aggregate with size 19 mm.…
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Q: : Discuss importance of sieve analysis test conducted on both fine and coarse aggregate
A: Since there are multiple questions. As per the company guidelines, we are authorised to answer only…
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- determination of moisture content and surface moisture of aggregates is a method to determine wether the material is good or not, what is the essence of this methods in construction? Explain.what is the aci design mix or proportioning of standard compressive ddesign strength values (without ad mixture or other supplementaries) of cement, water, ad aggregates and fine aggregates ratio for 3000 psi, 4000 psi and 5000 psi. please help me and if you searched for it pls inlcude the links here i want to read itAggregate Homework --No. (2) Q1: A/ Explain the concrete failures and which type is the common for concrete in Iraq? B/ Define A.C.V and list Aggregate shape? C/What is the effect of chloride in aggregate? Q2: Example: compare this sample of fine aggregate with Iraqi and ASTM specification in grading. Sieve 9.5 4.75 2.36 1.18 0.6 0.3 0.15 Pan Size (mm) Returned 45 152 96 88 53 32 20 Weight (gm) Q3: Define the fallowing 1- Aggregate absorption 2- Angularity number 3- Mortar-bar Q4: why the use of larger aggregate size don't contribute to higher strength? Q5: For a sample of coarse aggregate the saturated surface dry weight (2000gm) its dry weight (1982 gm) and its immersed weight (1238 gm) find: -The apparent specific gravity. - The absorption Q6: what the determination of the max. aggregate size depend on ? Q7: give the relation between the fallowing 1- Surface roughness of aggregate and workability 2- Strength of concrete and surface roughness of aggregate Q8: compare between Rounded…
- Elaborate/explain the scope and significance use in ASTM c70 - standard test method for surface moisture in fine aggregatesGiven the data below: Mass of the Container - 275 grams Mass of the Oven-dried Aggregate + Container - 3145.2 grams Mass of the SSD Aggregate - 3211.2 grams Apparent mass of the Aggregate - 1935.5 grams Compute for the Bulk Specific Gravity of Aggregate in OD condition. a 2.25 b 2.47 c 2.53 d 2.60What is the relationship of rodded bulk density to percentage voids in aggregates? What is the purpose of this two? How can this two affect the concrete
- Q3) describe the sieve analysis of aggregates with all details?Q1 What moisture condition should the coarse and fine aggregate be in when mixing the concrete? A Unknown B Saturated C Oven Dry D Air Dried E SSD Q2 What restriction is placed on the size of a sample of a concrete batch? A 30 L B 15 L C 20 L D 10 L E 5 LBased on the ASTM C33 standard for fine aggregate for Portland cement, what is the minimum percentage of aggregates that must pass the number 30 sieve in order to meet the ASTM standard?
- How to place the aggregate sample in the sieves before sieving and how to weigh aggregate retained in sieves ?what is the effect of bulk specific gravity, bulk specific gravity (SSD), apparent specific gravity, and percent absorption to concrete mix? what is the range of these four to fine aggregates and coarse aggregate. If the result of these four is low or high, what is your recommendation?Q3: Discuss importance of sieve analysis test conducted on both fine and coarse aggregateQ4: Concrete cylinder placed in universal testing is subject to axial compressive load. Concretecylinder crushed at a load of 85 kilo pounds, calculate compressive strength of concrete. (Concretecylinder has 6 inches diameter and 12 inches height)