alternatives for coarse aggregate in reinforced concrete

Experimental Investigation Of Waste Plastic Fiber In

Strength Concrete FRHSC which use recycled coarse aggregates that have originated from demolished construction wast Different mixes were taken with 20 40 replacement of natural coarse aggregate with recycled coarse aggregate To improve the ductility and performance 1 steel fiber is also added to the concrete...

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PARTIAL REPLACEMENT OF COARSE AGGREGATES IN

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 lime-based concrete which is the Portland cement concrete...

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Flexural performance of reinforced concrete beams made by

Nov 26 2020 0183 32 This article analyzes the flexural performance of reinforced concrete beams produced by granulated blast furnace slag GBFS as a substitute for cement recycled block aggregates RBA as an alternate for ordinary coarse aggregate normal steel fiber and staplers and polypropylene fibers Ten reinforced concrete beams with a cross section 90 mm wide 150 mm depth and a length of 1000...

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Experimental Investigation of Fibre Reinforced Concrete

to be the best replacement for natural aggregates of concrete Steel slag which is produced as a waste material in the steel industry and has a negative impact on environment when disposed In the course of future project work by the replacement of steel slag for the coarse aggregate in concrete of 25 50 75 100 with the addition of...

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QUANTITY RATE ANALYSIS FOR REINFORCED CONCRETE

Aug 29 2013 0183 32 Material estimation include sand cement coarse aggregate and steel for a particular mix design Let us consider a mix design of 1 15 3 for our estimation practice The dry volume of total materials required is considered as 154 times the wet volume of concrete due to voids present in sand and aggregates in dry stage...

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Experimental Investigation on Concrete with Replacement of

Demolished concrete fritter away obtain following the destruction of the arrangement is a life form correctly process previous to the coarse aggregates of it be able to exist used in concrete production Consequently these process coarse aggregates utilize in the concrete in cast-off aggregate and concrete...

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Use of copper slag as a replacement for fine aggregate in

slender reinforced concrete columns of 150x150x2500mm were tested for monotonic axial compression load until failure The concrete mix included ordinary Portland cement fine aggregate 10mm coarse aggregate and copper slag The ratios of copper slag to fine aggregate were 0 40 and 80...

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A Review of Partial Replacement of Fine Aggregate Coarse

coarse aggregate concrete With 50 replacement of coarse aggregates by coconut shells the flexural strength attained reduces invariably from 10 -15 as compared to the coarse aggregate concrete 14 Maninder Kaur Manpreet Kaur 2012 published a review paper in...

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Behavior of Reinforced Concrete Beams with Recycled

This paper investigates the flexural and shear behavior of reinforced concrete beams that use recycled concrete aggregates RCA as replacement for coarse natural aggregates...

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PROPERTIES OF CONCRETE WITH PARTIAL REPLACEMENT OF COARSE

The wastes of shabath stone is used as the alternative for the coarse aggregate They have been cut manually into the required size of 20 mm approximately Issue 2 Mar-Apr 2012 pp322-327 2012 5 IS 456-2000 Specifications for plain and reinforced concrete 6 IS 383-1970 Specification for Coarse and Fine Aggregates from natural...

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AN EXPERIMENTAL INVESTIGATION ON STEEL FIBER

compared with natural coarse aggregates are satisfactory as per IS 2386The compressive strength of demolished aggregate concrete is relatively lower up to15 than natural aggregate concrete Using demolished aggregate concrete as a base material for roadways reduce the pollution involved in trucking material...

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Different Types Sizes of Aggregate for Concrete

Aug 11 2018 0183 32 Typically the most common size of aggregate used in construction is 20mm A larger size 40mm is more common in mass concrete Larger aggregate diameters reduce the quantity of cement and water needed because of its lower Voids When the aggregate is sieved through 475mm sieve the aggregate retained is called coarse aggregate...

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The Use Of Encased Timber As Alternative To Reinforced

build reinforced concrete hous Even though coarse aggregates could be got locally the cost of production is also high Thus fewer houses are being erected nowadays It will not augur well for the country if this trend is allowed to continue since the population of Nigeria is increasing daily Therefore there is a need to look for...

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Use of Waste Ceramic Tile Aggregates as an Alternative

Based upon its properties ceramic tile aggregates are appropriate concrete material which is used as an alternative material to coarse aggregates in concrete Water absorption impact value and crushing value are higher than the natural aggregates and specific gravity is lower than natural aggregat...

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How Coarse Aggregate Affects Mix Design of Concrete

Coarse aggregate is one of the essential components of concrete and occupies the largest volume in the mix That is why it greatly affects the concrete mix design Its properties such as strength maximum size shape and water absorption influence water demand the quantity of cement and fine aggregate in concrete mixture It is reported...

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Expanded Fly Ash Clay Aggregate a Sustainable Alternative

An alternative sustainable coarse aggregate for natural coarse aggregate can reduce the amount of pollution and preserve natural resource An attempt is made in this research project to use locally available soil from e site and flyash waste to prepare an alternative sustainable coarse th aggregate for concrete to be used in small constructions...

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Experimental assessment on coconut shells as aggregate in

performed better than palm kernel shells as replacement for conventional aggregates in the of concrete In an investigation to assess the suitability of sawdust and palm kernel shells as replacement for fine and coarse aggregate in the production of reinforced concrete slabs 8...

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Concrete aggregate alternatives

The aggregate coarse and fine could be regarded as the actual construction material glued by the hydrated portland cement or alternative binders into concrete piec...

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Flexural behavior of reinforced concrete beam with polymer

Sustainable development has become an important issue due to the increasing consideration of preserving the nature Many alternative for coarse aggregate replacement have been investigated ranging from natural and fabricated aggregat In this study natural aggregate pumice was investigated since it offers lower density that give paramount benefit in reducing total building weight...

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Concrete with Glass

concrete is formed by glass-recycled grains as an alternative for coarse aggregates and it is analyzed by replacing different proportions of aggregate in the mixture to obtain different results The glass grains which are considered in this study mainly come from recycled drinking bottles provided by...

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Shear behavior of reinforced concrete beams with GFRP

Oct 10 2020 0183 32 To verify the effectiveness of partial replacement of coarse aggregate of concrete with FRP needles in enhancing the structural performance of large-scale structural members this paper presents the results of the first experimental investigation into the effect of GFRP needles as coarse aggregate partial replacement in concrete on the shear...

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Aggregates for Concrete

coarse aggregate There are several reasons for specifying grading limits and nominal maximum aggregate size they affect relative 82 Design and Control of Concrete Mixtures EB001 Fig 5-4 Range of particle sizes found in aggregate for use in concrete 8985 Fig 5-5 Making a sieve analysis test of coarse aggregate in a laboratory 30175...

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Replacement of Fine Aggregate by M

concrete manufacturers to look for suitable alternative fine aggregate One such alternative is manufactured sand Workability strength and durability of concrete with manufactured sand as replacement to natural sand in proportions of 0 5 10 15 20 and 25 is studied The experiments were conducted on M20 concrete grade...

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How to Choose Quality Coarse Aggregate for Concrete

Sep 11 2020 0183 32 The selection of good quality coarse aggregate is essential for the production of concrete that meets the desired strength and durability requirements Ideal construction aggregate should have a rough surface texture and should be clean strong and free from coating and other dirt particl Coarse aggregates with a size of 20 mm or less are...

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What are other alternatives for aggregates in concrete

1 Expanded Polystrene EPS EPS balls are used as an aggregate instead of the crushed stone that is used in regular concrete it known as EPScrete EPS concrete or lightweight concrete It has been used as road bedding in soil or geo-stabilizat...

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PAPER OPEN ACCESS Related content Properties of Concrete

The budding of waste coconut shell are used as a alternative for coarse aggregate in concrete After the coconut is tattered out the shell is regularly discharged The bulk density of coconut shell is about 500 to 600 kg/m3 producing concrete of about less than 2000 kg/m3 in density which makes them...

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Study on Replacement of Coarse Aggregate by E

E- waste is used as one such alternative for coarse aggregate Owing to scarcity of coarse aggregate for the preparation of concrete partial replacement of E-waste with coarse was attempted The work was conducted on M20 grade mix The percentage of replacing coarse aggregate with E-waste in the range of 0 5 10 15 and 20...

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Coarse Aggregates Types Properites Applications

They are not advisable for high-quality concrete Graded aggregate A mixture that passes through a particular shape of the sieve are often known as hierarchical aggregat Properties of Coarse Aggregates 1Size of Coarse Aggregates The size of the coarse aggregate depends on the use of the concrete is to be poured...

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Aggregate Selection for Concrete

This study is based on the performance of three different concrete mixes having different ratios of crushed waste tiles having 20 mm maximum size as coarse aggregate Coarse sand ordinary Portland Cement 53 grade were used for standard concrete cub...

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FLEXURAL BEHAVIOUR OF REINFORCED CONCRETE BEAM

Concrete is the construction material composed of cement fine aggregate coarse aggregate and water In this project we are partially replacing coarse aggregate with coconut shell from 5 to 15 211 Cement Cement is the binder used for construction that sets hardens and adheres to other materials to bind them together...

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