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alternative of fine aggregates in concrete pdf

USE OF DUNE SAND AS AN ALTERNATIVE FINE AGGREGATE IN CONCRETE AND MORTAR R Sanjeevan 1 S Kavitha2 4TC Ekneligoda3 and DAR Dolage 1234 Department of civil Engineering The Open University Sri Lanka INTRODUCTION River sand is the most widely used fine aggregate in civil engineering constructions in Sri Lanka

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alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

The “green” concrete is defined as the concrete produced by utilizing alternative andor recycled waste materials which are ecofriendly so that can reduce energy consumption environmental

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

EXPERIMENTAL STUDY ON PARTIAL REPLACEMENT OF WASTE CEREMIC TILES USED AS AN ALTERNATIVE COARSE AGGREGATE IN CONCRETE a1 1Department of civil engineering University College of engineering Dindigu AbstractThe global consumption of natural aggregates is high due to the daybyday innovations and development in construction field

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

aggregates cannot be overemphasized The fine and coarse aggregates generally occupy 60 to 75 of the concrete volume 70 to 85 by mass and strongly influence the concrete’s freshly mixed and hardened properties mixture proportions and economy Fine aggregates Fig 51 generally consist of natural sand or crushed

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Alternative fine aggregates AFA can be as crushed rock sand CRS industrial byproducts and recycled fine aggregates RFA These AFA are used as complete or partial substitution of natural sand NS in manufacturing concrete and mortar 3 4 5

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

strength of concrete so fine aggregate is a most important constituent of concrete and cement mortar Generally river sand or pit sand is used as fine aggregate in mortar and concrete Together fine and coarse aggregate make about 75 80 of total volume of concrete and hence it is very important to fine suitable type and good quality

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

gravel mining and thus there is a need to know to what extent alternative materials can augment or replace sand and gravel from this source In Jamaica the alternative sources include marine sand and gravel manufactured sand river terrace deposits and recycled aggregates

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Cement is only one of the five ingredients used in a concrete mixture With proper ratios of cement rock fine aggregate air and water the EPA further cites that the previously mentioned amount of cement would be enough to produce 14 18 Gt of concrete making it the most manufactured material in

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Aggregate is the essential construction material and plays an important role in construction Aggregate is an inert material which means that it does not take part in any chemical reaction in the concrete It contains 70 to 80 volume of the concrete

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Jul 07 2017 · Pumice Rice husk Manufactured sand Slag sand Powdered glass Fly ash Quarry dust Processed Crushed rock fines Mersey silt Sugarcane bagasse ash Groundnut

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

conventional concrete the demand for fine aggregate increase every day As a solution to this prevailing condition the cement and the fine aggregate have been replaced with the cement industrial byproduct which serves as a filler in concrete The cement and the fine aggregate are partially replaced with eco sand at 5 10 15 and 20

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

The concrete specimens with conventional fine aggregates replaced with coral sand showed higher values of compressive and tensile strength when compared to that of conventional concrete The durability of the concrete specimens to acid and sulphate attacks was found to be similar to that of conventional concrete

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

313 Fine Aggregates River sand conforming to IS 3831970 reaffirmed 1997 is used for the present investigation as fine aggregate Tests on sand as per IS specifications are conducted and results are as shown in table 33 Table33 Physical properties of Fine aggregates Sl No Characteristics Value 1 Specific gravity 253

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

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

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

to the increase demand by the construction industry In order to reduce dependence on natural aggregates as the main source of aggregates in concrete artificially manufactured aggregates and artificial aggregates from industrial wastes provide an alternative for the construction industry

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

alternative to river sand as fine aggregates The evaluation will involve determining their respective gradation aggregate absorption workability compressive strengths and the optimum river sand replacement that gives maximum concrete strength and prescribe the best pyroclastic material that can produce high strength

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Siddique 4 presented the results of an experimental investigation carried out to evaluate the mechanical properties of concrete mixtures in which fine aggregate ie sand was partially replaced with Class F fly ash Sand ws replaced in five percentages ie 10203040 and 50 of class F fly ash by weight

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

In its simplest form concrete is a mixture of paste and aggregates or rocks The paste composed of Portland cement and water coats the surface of the fine small and coarse larger aggregates which hardens over time Mostly used concrete is the limebased concrete which is the Portland cement concrete

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Experimental investigation of using slag as an alternative to normal aggregates coarse and fine in concrete Mohammed Nadeem Arun D Pofale International Journal of Civil and Structural Engineering Volume 3 Issue 1 2012 120 Figure 3 View of slag normal crushed coarse aggregate and natural sand 22 Mix proportions

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

and bond strength of pumice concrete was investigated as well as the application of saturated fine pumice aggregates as an internal curing media for both high performance concrete and readymixed full scale thin concrete slabs with a low watercementitious materials ratio The research presented demonstrates the

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

waste in concrete industry is considered as the most feasible application It decreases the pollution of the environment and reduces the cost of materials MATERIALS 1 Aggregates Coarse and fine aggregates Various properties of aggregates can influence the performance of concrete therefore various considerations have to be

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

recycled and reused byproduct aggregates for the easiness to the separation of alternative aggregate from other construction materials Table 1 Alternative Aggregate Types Manufactured aggregates Foamed Blast Furnace Slag BFS fly ash manufactured

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Use of Blast Furnace Slag Aggregate in Concrete KG Hiraskar and Chetan Patil AbstractThe Iron industries produce a huge quantity of blast furnace slag as by–product which is a non–biodegradable waste material from that only a small percentage of it is used by

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

The concept of replacement of natural fine aggregate by quarry dust which is highlighted in the study could boost the consumption of quarry dust generated from quarries By replacement of quarry dust the requirement of land fill area can be reduced and can also solve the problem of natural sand scarcity The availability of sand at low cost as a fine aggregate in concrete is not suitable and

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

• Very fine material such as silt clay or dust of fracture can increase the water demand in concrete • Fines limit is 3 in ASTM C 33 for concrete subject to abrasion • Manufactured sands 5 and 7 • Coarse aggregate limit is 1 15 for crushed stone 32

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Application of MSWI bottom ash as alternative aggregate in cement mortar Z Pavlík M Keppert M Pavlíková P Volfová R Černý For example among all construction materials around 65 is concrete produced in the world at an approximate rate of 4600 millions of replacement of Portland cement and fine aggregates in concrete

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Alternative Material For Coarse Aggregate In Concrete Use Of Waste Ceramic Tile Aggregates As An Use of waste ceramic tile aggregates as an alternative material of coarse aggregates in cement concrete written by jaspreet singh amanpreet singh virk gurpreet singh bath published on 20180424 download full article with reference data and citations

alternative of fine aggregates in concrete pdf
alternative of fine aggregates in concrete pdf

Aggregates are inert granular materials such as sand gravel or crushed stone that along with water and portland cement are an essential ingredient in concrete 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

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