specific gravity of concrete

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Density Of Concrete - How Much Does Concrete Weigh?

A normal weight concrete weighs 2400 kg per cubic meter or 145 lbs per cubic foot (3915 lbs per cubic yard). The unit weight of concrete (density) varies depending on the amount and density of the aggregate, the amount of entrained air (and entrapped air), and the water and cement content.

what is the specific gravity of concrete? | Yahoo Answers

May 13, 2010· Best Answer: Vishal, The weight of a batch of concrete varies with its composition, but a typical concrete mix about 145 pounds per cubic foot (pcf). Specific gravity is the ratio of the weight of a cubic foot of a material to the weight of a cubic foot of water, which is 62.4 pcf.

Coarse Aggregate Specific Gravity - Pavement Interactive

Effective Specific Gravity, G se. Volume measurement includes the volume of the aggregate particle plus the void volume that becomes filled with water during the test soak period minus the volume of the voids that absorb asphalt. Effective specific gravity lies between apparent and bulk specific gravity.

Specific gravity of coarse aggregate - CivilFerba

Dec 19, 2016· Specific gravity and absorption of coarse aggregate. Introduction:-This test used to determine specific gravity (relative density) and absorption of coarse aggregate, coarse aggregate material is a main component of concrete, approximately up to 75% of concrete skeleton occupied by coarse aggregate, this test is a mandatory point for concrete mix design, concrete is a composite …

what is the specific gravity of concrete? | Yahoo Answers

May 14, 2010· Best Answer: Vishal, The weight of a batch of concrete varies with its composition, but a typical concrete mix about 145 pounds per cubic foot (pcf). Specific gravity is the ratio of the weight of a cubic foot of a material to the weight of a cubic foot of water, which is 62.4 pcf.

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE

aggregate. The specific gravity may be expressed as bulk oven dry (O.D.) specific gravity, bulk saturated surface dry (SSD) specific gravity, or apparent specific gravity. 1.2 The specific gravity and absorption of fine aggregate is normally determined on pass No. 4 material.

Specific Heat of Solids - Engineering ToolBox

The specific heat of some commonly used solids is given in the table below.. For conversion of units, use the Specific heat online unit converter.. See also tabulated values of specific heat of gases, food and foodstuff, metals and semimetals, common liquids and fluids and other common substances as well as values of molar heat capacity of common organic substances and inorganic substances.

Specific Gravity Of Metals Table - CSGNetwork

The specific gravity of all other materials are compared to water as a fraction heavier or fraction lighter density, no matter how small or large the fraction is. For example, beryllium has a specific gravity (sg) of 1.84 (1840 kg/m³). As specific gravity is just a comparison, it can be applied across any units.

The Effect of Aggregate Properties on Concrete

The Effect of Aggregate Properties on Concrete Concrete is a mixture of cementious material, aggregate, and water. Aggregate is commonly considered inert filler, which accounts for 60 to 80 percent of the volume and 70 to 85 percent of the weight of concrete. ..., specific gravity, reactivity, soundness and bulk unit weight. These properties ...

What is the specific weight of concrete? - Quora

In the physical sciences, the word "Specific" generally means "per unit" of something (often mass), and signals a division of the subject quantity by a parametizing quantity that may or may not be named. Specific - Wikipedia The specific weight of...

Specific Gravity Of Cement Test - How To Calculate ...

Nov 27, 2017· Specific Gravity Of Cement Test: Specific gravity can be defined as the density of any substance to the density of other reference substance at a specified temperature. For example, to determine the specific gravity of cement will consider water as reference substance.

Specific Gravity of Cement - Civil Engineering

So if the specific gravity of any substance is known to us we can use the materials in suitable place of any work. Basically, specific gravity defines that the substance is how much heavier than water or reference substance of the same volume. The specific gravity of cement ranging from 3.1 to 3.16 g/cc.

How to Determine Specific Gravity | Sciencing

Apr 24, 2017· Specific gravity is the ratio of the density of a substance to the density of water at a given pressure and temperature. Specific gravity is typically measured at 4 degrees Celsius (39.2 degrees Fahrenheit), unless otherwise indicated. According to SIMetric, the density of water at 4 degrees Celsius and standard atmospheric pressure is 62.4 pounds per cubic foot.

Determination of Specific Gravity of Cement and Its Importance

The specific gravity is normally defined as the ratio between the weight of a given volume of material and weight of an equal volume of water. The portland cement have a specific gravity of value around 3.15. When it comes to portland pozzolan cements and portland blast furnace cements the value ...

Theoretical Maximum Specific Gravity - Pavement Interactive

The theoretical maximum specific gravity test is integral to Superpave mix design as well as field quality assurance. Theoretical maximum specific gravity is used along with bulk specific gravity values from field cores and laboratory compacted specimens to calculate air voids and the in …

Solids and Metals - Specific Gravities - Engineering ToolBox

The Specific Gravity - SG - is a dimensionless unit defined as the ratio of density of the material to the density of water at a specified temperature. It is common to use the density of water at 4 o C (39 o F) as reference - at this point the density of water is at the highest.. Specific gravities - SG - for common solids and metals can be found in the table below:

What is the specific gravity of concrete - answers.com

The specific gravity of materials tell us how many times is the material heavier than water. The higher the specific gravity of a material the higher the density of concrete made with and the ...

Specific gravity of concrete mix - answers.com

The specific gravity of concrete works out to: 2.4 It says that concrete is nearly two and a half times as dense as water. NOTE: Because it is a ratio and the units will always cancel out, you get ...

Specific Gravity and Water Absorption Tests on Aggregates

Specific gravity test of aggregates is done to measure the strength or quality of the material while water absorption test determines the water holding capacity of the coarse and fine aggregates. Specific Gravity is the ratio of the weight of a given volume of aggregate to the weight of an ...

The Importance of Specific Gravity | Dynamix Agitators

Aug 25, 2015· Specific-Gravity Bottle: A flask made to hold a known volume of liquid at a specified temperature (usually 20°C). The bottle is weighed, filled with the liquid whose specific gravity is to be found, and weighed again. The difference in weights is divided by the weight of an equal volume of water to give the specific gravity of the liquid.

Fundamentals of Concrete - USDA

Bulk specific gravity of concrete materials Portland Cement 3.15 Pozzolan 2.2 to 2.8 Natural Aggregates 2.4 to 2.9 Water 1.0 Bulk specific gravity applies to porous materials. For non-porous materials the specific gravity and bulk specific gravity are the same. BULK SPECIFIC GRAVITY SATURATED SURFACE DRY (Gs(ssd))- The bulk

CIVL 1101 - Part 6 - Concrete Agregates - Civil Engineering

Aggregates generally occupy 70 to 80% of the volume of concrete and therefore have a significant effect on its properties. Strength of concrete and mix design are independent of the composition of aggregate, but durability may be affected. Aggregates are classified based on specific gravity as heavyweight, normal-weight, and lightweight.

Specific Gravity of cement or Desnsity of cement | Le ...

Sep 10, 2017· Specific Gravity of Cement Formula:-We calculate Specific gravity to know the behaviour of the material in water. Every material has its own specific gravity, and it usually ranges between 0.1 – 100. If the specific gravity of the material is less than 1, then that material floats in water. If the material has a specific gravity greater than ...

Specific Gravity of Wood Database * Wagner Meters

The published specific gravity values are the average for each species. There can and will be some variability of the specific gravity (density) within any species of wood, but the average specific gravity value (again, from the most valid published sources) will …

Density of Concrete - The Physics Factbook

"Typical density of concrete (2.3 g/cm 3)" 2300 kg/m 3: McGraw-Hill Encyclopedia of Science and Technology. "Volume generally assumed for the density of hardened concrete is 150 lb./ft 3. (2400 kg/m 3)" 2400 kg/m 3: Concrete is an artificial material similar to stone that is used for many different structural purposes. It is made by mixing ...

How to Calculate the Specific Gravity of a Substance - dummies

In physics, a substance's specific gravity is the ratio of that substance's density to the density of water at 4 degrees Celsius. Because the density of water at 4 degrees Celsius is 1,000 kg/m3, that ratio is easy to find. For example, the density of gold is 19,300 kg/m3, so its specific gravity is the […]

What is the Specific Heat of Concrete? - civil-engg-world.com

Specific heat is found to be increased with the increase in moisture content of concrete. But mineralogical properties of aggregate have no influence on specific heat. This property increased with the increment of temperature of concrete.

WHAT ARE THE PROPERTIES OF AGGREGATES FOR CONCRETE ...

Oct 01, 2016· Specific gravity values are also used while designing concrete mix. Also read: Specific Gravity & Water Absorption Test of Aggregates. 5. Bulk Density. It is defined as the weight of the aggregate required to fill a container of unit volume. It is generally expressed in kg/litre.