Coarse Aggregates. Aggregate. Coarse Aggregates Deleterious Materials ASTM C142. Mass percentage of contaminants such as clay lumps, shale, wood, mica, and coal Test Wet sieving agg. size fraction over specified sieves Mass lost = % contaminants Range from 0.2% to 10%, depending upon contaminant Aggregate. Coarse Aggregates

concrete strength compare with control concrete. The graphical representation shows the flexural strength of copper slag. Fig.7. Comparison of Flexural Strength of Beam IV. CONCLUSION The concrete was prepared for the M 25 grade concrete with partial replacement of fine aggregate by copper slag with various percentages of 0%, 10%, 15% and 20%.

3/19/2016· 1. AGGREGATE DAVID GRUBBA 2. Theory 3. Aggregate Theory 2. Types of Aggregates 1. Introduction 4. 1 Introduction 5. Water Cement Sand* Mortar Gravel** CONCRETE STEEL REINFORCED CONCRETE Aggregate Mortar ≠ Concrete ≠ Reinforced Concrete * Fine aggregate ** Coarse aggregate 6. AGGREGATE Aggregates 7. MORTAR 8.

Physical Prosperities of Aggregate : Grading Grading is the particle-size distribution of an aggregate as determined by a sieve analysis using wire mesh sieves with square openings. As per IS:2386(Part-1) Fine aggregate : 6 standard sieves with openings from 150 μm to 4.75 mm. (150 μm, 300 μm, 600 μm, 1.18mm, 2.36mm,

Typically, coarse aggregate sizes are larger than 4.75 mm (5 mm in British code), while fine aggregates form the portion below 4.75 mm. A maximum size up to 40 mm is used for coarse aggregate in most structural applications, while for mass concreting purposes such as …

Fine aggregate is the essential ingredient in concrete that consists of natural sand or crushed stone. The quality and fine aggregate density strongly influence the hardened properties of the concrete.. The concrete or mortar mixture can be made more durable, stronger and cheaper if you made the selection of fine aggregate on basis of grading zone, particle shape and surface texture, abrasion ...

5/17/2017· To make ease in understanding we are finding the Concrete mix design of M20 grade concrete. The Concrete mix ratio for M20 grade of concrete is 1:1.5:3 that mean 1 part of cement, 1.5 part of sand (fine aggregate) and 3 parts of aggregate (crushed stone) in volume and then batched for mixing. To know the Concrete Mix Design follow below:-

Separated into groups of 8mm-50mm and 8mm or less. Concrete of 8mm-50mm is then ground by the wet process, and that of 4.75mm or more is recovered as coarse aggregate. Concrete rubble of 8mm or less is ground by the wet process, and recovered as a fine aggregate. The process is repeated until the target quality is achieved. 10 Improved ...

The sieves used of concrete aggregate consist of a series in which the clear openings or sieves are 4.75 mm, 10 mm, 20 mm, 40 mm, 80 mm, for coarse aggregates, 2.36 mm, 1.18 mm, 600 microns, 150 microns, for fine aggregates. When as consecutive opening sizes are constantly doubled, the lines at equal intervals represent successive sizes on a ...

EFFECTS OF AGGREGATE TYPE, SIZE, AND CONTENT ON CONCRETE STRENGTH AND FRACTURE ENERGY By Rozalija Kozul David Darwin A Report on Research Sponsored by THE NATIONAL SCIENCE FOUNDATION Research Grants No. MSS-9021066 and CMS-9402563 THE U.S. DEPARTMENT OF TRANSPORTATION FEDERAL HIGHWAY ADMINISTRATION

9/24/2019· As per below test of aggregate 1. Aggregate Crushing Value 2. Impact Value of Coarse Aggregate 3. Sieve Analysis Test of Coarse Aggregates 4. Flakiness Index of Aggregate 5. Elongation Index of Aggregate 6. Compressive Strength Test for Concrete A...

The Open Civil Engineering Journal, 2010, 4, 65-71 65 1874-1495/10 2010 Bentham Open.The Use of Sheet Glass Powder as Fine Aggregate Replacement in Concrete …

Aggregate is a component of composite materials such as concrete and asphalt concrete. Aggregate comprises large chunks of material in a composite, commonly coarse gravel or crushed rocks and fine materials. Aggregate comes in two types: Fine aggregate – normally consists of sand, crushed stone or crushed slag screenings; most particles pass ...

For a good concrete mix, aggregates need to be clean, hard, strong particles free of absorbed chemicals or coatings of clay and other fine materials that could cause the deterioration of concrete. Aggregates, which account for 60 to 75 percent of the total volume of concrete, are divided into two distinct categories--fine and coarse.

W A is Dry weight of aggregate (The weight in g of ovendried aggregate in air) W B is Weight of aggregate immersed in water (The weight in g of the saturated surkedry aggregate in air) Note: Water absorption shall not be more than 2% per unit by weight. In case in Water absorption is higher than 2% than soundness test is required.

9/8/2017· This video talks about the role of aggregates in concrete mixture design.

coarse aggregate for concrete ppt description. PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and . ... suitability of beach sand as fine aggregate for concrete ppt Welcome to Shanghai CNcrusher Mining and production of industrial crushing, powder grinding. Get price.

Aggregate is a granular material, such as sand, gravel, crushed stone, crushed hydraulic-cement concrete, or iron blast-furnace slag, used with a hydraulic cementing medium to produce either concrete or mortar. Those particles that are predominantly retained on the 4.75 mm (No. 4) sieve, are called coarse aggregates. Those particles passing the 9.5 mm (3/8 inch)

The strength o f concrete when fine aggregate is replaced with pond ash also improves with age of concrete. 14.2 16.5 14 11 31 36 28.5 ... Get Price Artificial Sand As Fine Aggregates Ppt

sand of zone-∥ was used as coarse aggregate and fine aggregate respectively. Maximum size of coarse aggregate was 12.5 mm. A sieve analysis conforming to IS: 383-1970 was carried out for both the fine and coarse aggregate .Concrete may be produced as a dense mass which is practically artificial rock and chemicals may be

4/28/2013· 7(1) Fine Aggregates:Aggregates whose particles passthrough 4.75 mm IS sieve are termedas fine aggregates. Most commonlyused fine aggregates are sand (pit orquarry sand, river sand and sea sand)and crushed stone in powdered form,how ever some times sukhi and …

Construction aggregate, or simply aggregate, is a broad category of coarse- to medium-grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates.Aggregates are the most mined materials in the world. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as ...

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.

ppts on iron ore waste as coarse aggregate in concrete. Download full text pdf. replacing aggregate (coarse and fine) with that of slag on various concrete properties.