specific gravity of concrete feb

Specific Gravity of Soil Test

Sep 30, 2017Average specific gravity = (Gs 1+Gs 2)/2 = 2.6474. Conclusion and Evaluation: The average value of specific gravity of the tested soil sample equals to 2.6474. It is clear from (table 1) in the theory part that the test was done on a sand sample of soil due to the range of the values of specific gravity. Get price

How to check quality of Cement on site

Feb 18, 20209. Specific Gravity of cement:-Finding specific gravity of cement is utmost important if cement is stored for more than three months. A good cement should have Specific gravity (Sg) in between 3.1-3.6g/cc. For more details on test procedure of specific gravity refer here. You may Also Read: How to check quality of sand on site Get price

MnDOT Materials Lab Manual

1314 Specific Gravity of Soils (Revised Apr 17, 1995) 1400 - Cement, Concrete Products, and Curing Materials. 1401 Cement (Revised Apr 17, 2000) 1402 Concrete Brick (Revised Apr 17, 2000) 1403 Concrete Curing Compound (Revised Apr 17, 2000) 1404 Concrete Curing Materials (Revised Apr Get price

What is Concrete Proportioning?

Concrete mixtures containing slag cement should be proportioned according to ACI 211.1. The specific gravity of slag cement ranges from 2.85 to 2.94, depending on the slag source, as compared to 3.15 for portland cement. The difference in specific gravity means a greater volume of slag cement will be used to replace the same mass of portland Get price

CHAPTER 1 COMPONENTS OF CONCRETE

COMPONENTS OF CONCRETE Concrete is made up of two components, aggregates and paste. Aggregates are generally classi! ed into two groups, ! ne and coarse, and occupy about 60 to 80 percent of the volume of concrete. The paste is composed of cement, water, and entrained air and ordinarily constitutes 20 to 40 percent of the total volume. Get price

Specific Gravity of Coarse Aggregates: Its Importance

Sep 19, 2019As per the definition given in the 'IS: 2386 (Part III) – 1963', (Indian Standard- Methods of Test for Aggregates for Concrete – Specific Gravity, Density, Voids, Absorption and Bulking), the specific gravity of coarse aggregates is the weight of the aggregates dried to constant weight in an oven at 100C divided by its absolute volume including the natural voids within the aggregate particles. Get price

Aggregate Properties

Based on the test methods used, three types of specific gravity are calculated – Bulk, Saturated surface dry, and Apparent. Determination of the true specific gravity of the aggregate is not possible (unless it is crushed to the smallest possible dimension) because the true volume of the aggregate can never be determined (as some pores are Get price

What is the specific gravity of concrete?

Oct 31, 2019Those specific gravity can also be termed as appearant specific gravity of concrete. So the normal concrete could have specific gravity of 2.3 to 2.5 depending on ingredients used. In process of specific gravity calculation we do find the actual volume of material which correspond to that weight. Get price

Polyurethane Material Properties

Specific Gravity: D792: 1.07: 1.08: 1.13: 1.16: 1.2 . LUBRITHANE. Lubrithane is a polyurethane with special additives to provide a reduced coefficient of friction. Lubrithane is ideal for belt scraping applications because of good abrasion resistance and a low coefficient of friction. Lubrithane is available in hardnesses from 60A to 50D. Get price

Theoretical Maximum Specific Gravity of Bituminous Mixtures

THEORETICAL MAXIMUM SPECIFIC GRAVITY OF BITUMINOUS MIXTURES TXDOT DESIGNATION: TEX-227-F MATERIALS AND TESTS DIVISION 3 – 9 EFFECTIVE DATE: JULY 2019 4.5 Vacuum pump or water aspirator, to evacuate air from the assembly. 4.5.1 It must be able to reduce residual pressure to 2.0 in. (50 mm) Hg or less before completion of the evacuation process of the procedure. Get price

Polyurethane Material Properties

Specific Gravity: D792: 1.07: 1.08: 1.13: 1.16: 1.2 . LUBRITHANE. Lubrithane is a polyurethane with special additives to provide a reduced coefficient of friction. Lubrithane is ideal for belt scraping applications because of good abrasion resistance and a low coefficient of friction. Lubrithane is available in hardnesses from 60A to 50D. Get price

A Review on Alccofine : A supplementary cementitous material

Specific gravity Bulk Density (kg/m 3) Partical size distribution ( ) 2.9 600 -700 d 10 d 50 d90 concrete mix increase the initial strength of the concrete than the ordinary concrete. The concrete Develop ment, pp. 68 -75, Feb. 2015 [2] Get price

Concrete Mix Design: Proportioning

Sep 11, 2018SSD aggregate neither absorbs water from nor contributes water to the concrete mixture. This is typically only achieved in laboratory conditions. Specific gravity – The SG of any material is the unit weight of that material divided by the unit weight of water at room temperature. An aggregate with an SG of 2.50 would thus be 2.5 times as Get price

Evaluation of Methods for Measuring Aggregate Specific

specific gravity and absorption of aggregates are AASHTO T 85 and AASHTO T 84 for coarse and fine aggregates respectively. The corresponding ASTM methods are C 127 and C 128 respectively. The dividing sieve for separating coarse and fine aggregates is the 4.75 mm sieve. Then the equations used for volumetric analysis of asphalt concrete are Get price

Production — Stalite

The moisture content is adjusted to a predetermined level. We then test the aggregate for moisture content, specific gravity, unit weight and grading prior to shipment. High quality, high performance structural lightweight concrete is essential in today's high technology construction. Here are examples of STALITE's 3/4, 1/2, 3/8" gradations. Get price

what is the specific gravity of concrete?

May 14, 2010The 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. Therefore, the specific gravity of a typical concrete mix is 145/62.4 or 2.32. Get price

How do I convert mg/L (milligrams per litre) to SG

Oct 23, 2009Specific gravity is the ratio of the density of any substance to the density of water (1000 kilograms per cubic meter, or one gram per cc). In your case it looks like you have a density going in of 1.22mg per cc, and coming out of 1.008mg per cc, therefore the SG would be 1.22 in and 1.008 out. Get price

Concrete Materials –

Among others, the most significant attributes of aggregates in PCC applications include gradation, specific gravity, shape, texture, toughness and soundness. The development of admixtures for concrete has improved the workability, setting time, strength and economy of concrete construction. Get price

Unit Weight of Reinforced Concretey

The unit weight of unreinforced concrete measured by the WSDOT materials Lab shows that 212 sets out of 10561 sets of cylinders tested exceeded 155 pcf. Considering the additional weight of reinforcement steel and increased use of High Performance Concrete (HPC) with higher density, it is appropriate to use 160 pcf for the unit weight of concrete. Get price

How to Calculate the Specific Gravity of a Substance

By Steven Holzner . 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/m 3, that ratio is easy to find.For example, the density of gold is 19,300 kg/m 3, so its specific gravity Get price

Density Of Concrete

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. Get price

Difference Between Density and Specific Gravity

Jan 02, 2011The key difference between density and specific gravity is that density is an absolute value, while specific gravity is a relative value for a substance.. Density and specific gravity are the two commonly used terms that are often confused with each other. Particularly, in industries, these terms are widely important to weigh different substance and to calculate the concentration of liquids. Get price

ASTM C29 / C29M

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.. ASTM Standards. C125 Terminology Relating to Concrete and Concrete Aggregates. C127 Test Method for Relative Density (Specific Gravity) and Absorption of Coarse Aggregate. C128 Test Method for Relative Density (Specific Gravity Get price

Effect of specific gravity of coarse aggregate on

Jul 18, 2013This study presents results on the influence of specific gravity of coarse aggregate on the interfacial transition zone, permeability, and strength of concrete. The aggregate variables studied in this work were specific density (085, 120, 180, 265) and water / cement ratio (025, 040, 055, 070). Get price

Fresh concrete properties of light weight concrete using

pockets in concrete which result in to lowering of density and makes it porous.[2] II. MATERIALS The materials used in the present investigation are Ordinary Portland cement of 53 grade having a specific gravity of 3.15 with initial and final setting times of 34 minutes and 489 minutes respectively. Get price

CIVL 1101

Whereas, bulk specific gravity (BSG) is a measure of the weight/volume of solids and pores of a material. ASG BSGSSD BSGOD. However, since the porosity of most rocks used in concrete is 1 to 2%, the values of all specific gravities are approximately the same; in the range of 2.5 to 2.8. Unit Weight Get price