what is compressive strength of concrete yahoo answers

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compressive strength of concrete - villapoint.co.za

Effect of Hand Mixing on the Compressive strength of Concrete The results revealed that the compressive strengths of concrete cubes appreciably increased with increase in number of turnings from one to four times but ...

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Jan 16, 2013· Compressive strength of concrete? – Yahoo! …. Jul 03, 2012 · Best Answer: Actually from my experience it was noticed during trial mix the compressive stress of concrete become much higher that my expect ion. It was …

compressive strength of concrete - shibang-china.com

What is compressive strength of concrete? - Yahoo! Answers. Nov 18, 2007 · Best Answer: Concrete is a structural material which consists of Portland cement, aggregate (sand and rock), and water (to make the chemical reaction ...

What is the difference between Compressive Strength and ...

Jul 24, 2010· I am currently researching impact attenuation and I am having some difficulty determining what exactly the difference between the compressive and crush strength of a material is. It would seem nearly logical to reason that they are the same thing, but I have been told that they are not and considering that one involves the dissipation (or lack there of) of a more sudden impulse of energy and ...

how do toughness differ from compressive strength? | Yahoo ...

Dec 22, 2014· How do toughness differ from compressive strength? Follow . 1 answer 1. Report Abuse. ... compressive strength is the capacity of a material or structure to withstand loads tending to reduce size. It can be measured by plotting applied force against deformation in a testing machine. ... Concrete Compressive Strength? Answer Questions.

What does C25 concrete mean? - Quora

A concrete of Grade C25 means that the concrete will have a compression resistance of 25 N/mm2 per square millimeter in 28 days. Proportion for grade C20. C20 is 1:2:4(1 part cement, 2 parts fine aggregate, and 4 parts coarse aggregate.) where as ...

What is your local average price of ready mix concrete ...

Jun 14, 2010· Ready mix is concrete ordered from the supplier in the truck mounted drum you have seen. It is already has mixed the sand, cement, and gravel in the compressive strength you have ordered. It saves a lot of time during a concrete pour of any size and would be …

what is a concrete compression test? | Yahoo Answers

Oct 08, 2008· Best Answer: Compressive strength is the capacity of a material to withstand axially directed pushing forces. When the limit of compressive strength is reached, materials are crushed. Concrete can be made to have high compressive strength, e.g. many concrete structures have compressive strengths in excess ...

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Oct 18, 2007· Yahoo India Answers ... The cylinders give the potential strength of the concrete. The compressive strength is influenced by the curing conditions, specimen preparation, age at testing, mode of testing, and mode of failure of the specimen. syreeta · 3 years ago . 0.

how do i calculate the compressive strength of a metal ...

Jan 15, 2013· Yahoo Italia Answers ... For metals, the compressive strength is the same as the tensile strength. However, there are normally two values given for tensile strength: the "yield stress" and the "ultimate stress" or "tensile failure stress" . The ultimate stress is the stress at which a tensile test specimen will break.

what is concrete???????? | Yahoo Answers

Jan 23, 2009· Best Answer: Concrete is a mixture of portland cement, sand, gravel, and water. The water reacts with the portland to hydrate and lock the aggregate in place. The aggregate is what gives concrete its strength. Different sizes of gravel are used for different purposes. Hope this helps.

compressive strength test of concrete cylinder

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The objectives of this experiment is to determine the compressive strength of concrete using two different methods: Destructive procedure (BS) and Non-destructive procedure (ASTM). During both tests, the compression load of the material is determined and any deformations or fractures are recorded.

What Is Compressive Strength Of Concrete - alanglover.co.za

what is compressive strength of concrete? | Yahoo Answers. Nov 17, 2007· Compressive strength or compression strength is the capacity of a material or structure to withstand loads tending to reduce size, as opposed to tensile strength, which withstands loads tending to elongate.

compressive strength concrete - maroevenementen.nl

Compressive Strength The main measure of the structural quality of concrete is its compressive strength This property of concrete is commonly considered in structural design Depending on the mix (especially the water-cement ratio) and time and quality of the curing, compressive strength of concrete can be obtained up to 14,000 psi or more .

compressive strength test of concrete - shibang-china.com

COMPRESSIVE STRENGTH OF CONCRETE CUBES - The … Compressive strength of concrete: Out of many test applied to the concrete, this is the utmost important which gives an idea about all the characteristics of concrete.

Questions | Yahoo Answers

In the construction industry, compressive strength of concrete is a crucial characteristic. Suppose for a particular residential construction job the concrete tested after 3 days should have a mean compression strength of μ = 3000 psi with a standard deviation of σ = 50 psi. It is known that compressive strength of concrete is Normally ...

What is correct ratio to mix concrete/cement? | Yahoo Answers

Mar 06, 2008· Yahoo Malaysia Answers ... What is correct ratio to mix concrete/cement? I"m making step stones using a plastic form. What is the correct ratio of sand, cement, water. ... You will get a higher compressive strength, use less water, and more durability. Your best bet is to use stone pavers rather than concrete. If you use concrete and you live ...

The Accompanying Data Is On Cube Compressive Stren ...

1 · The accompanying data is on cube compressive strength (MPa) of concrete specimens. 112.4 97.0 92.7 86.0 102.0 99.2 95.8 103.5 89.0 86.7 (a) Is it plausible that the compressive strength for this type of concrete is normally distributed?

Properties of concrete - Wikipedia

In very high-strength concrete mixtures (greater than 70 MPa) the crushing strength of the aggregate can be a limiting factor to the ultimate compressive strength. In lean concretes (with a high water-cement ratio) the crushing strength of the aggregates is not so significant.

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tensile strength is approximately between .08 to .15 of compression strength in concrete ... This means that you need to download the next version ect. if this doesn't work go on yahoo answers.

Definition Compressive Strength Test Of Concrete

what is compressive strength of concrete? | Yahoo Answers. Nov 17, 2007 · i have a lab report to submit on monday a.m. it's incomplete help find the definition of compressive strength of concrete and the factors affecting it.

what is compressive strength of concrete - vivifucecchio.it

Specified concrete compressive strength is the minimum compressive strength at which the concrete should fail in standard tests of 28-day-old concrete cylinders. A typical concrete compressive strength specification requires 4,000 to 5,000 psi at 28 days.

How to calculate the compressive strength of concrete? - Yahoo

Strength of hardened concrete measured by the compression test. The compression strength of concrete is a measure of the concrete's ability to resist loads which tend to compress it. The compressive strength is measured by crushing cylindrical concrete specimens in compression testing machine. The compressive strength of concrete is calculated by the failure load

what is compressive strength of concrete? | Yahoo Answers

Compressive strength of concrete cube test provides an idea about all the characteristics of concrete.By this single test one judge that whether Concreting has been done properly or not. Concrete compressive strength for general construction varies from 15 MPa (2200 psi) to 30 MPa (4400 psi) and higher in commercial and industrial structures.

Questions | Yahoo Answers

How is the compressive strength of concrete affected by moisture content at the time of test? 3. How is the modulus of elasticity of concrete affected by age and by moisture content at the time of test? 4. Whis the compression test the one most frequently made for concrete? 5. What was the purpose of using a spherical bearing block in the ...

Best 4x4 wood for post compressive strength? | Yahoo Answers

Jan 26, 2011· Yahoo Singapore Answers ... Best 4x4 wood for post compressive strength? What wood makes the best 4x4 post, for compressive strength? Follow . 3 answers 3. Report Abuse. ... Compressive strength of wood and concrete in MPa AND …

Compressive Strength of Concrete & Concrete Cubes | What ...

Jul 07, 2016· The capacity of concrete is reported in psi – pounds per sq. inch in US units and in MPa – mega pascals in SI units.This is usually called as the characteristic compressive strength of concrete fc/ fck. For normal field applications, the concrete strength can vary from 10Mpa to 60 Mpa.