Coarse aggregate, plastic aggregate, partial replacement, volumetric substitution, grade substitution. Introduction concrete is the most widely used man made construction material in the world and its second only to water as the most utilized substance in the planet. Partial replacement of cement and fine aggregate by using. Concrete is a composition of material from coarse granular material such as coarse and fine aggregate mixing in a hard matrix of material that is cemented that fills the space of aggregate particles with an additive and bind them together saidi,2007. Khaviya1 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. This civil project focuses on the coarse aggregate in concrete. To evaluate these replacements on the properties of the opc. Partial replacement of coarse aggregate in concrete by waste rubber tire. A study of concrete made with fine and coarse aggregates.
The classification of concrete based on slump values is listed in the table. Recycled aggregate as coarse aggregate replacement in concrete mixes. Furthermore, in rubber filler in concrete, crushed stone was used as coarse aggregate and. Abstractthe major part of construction industry is based on concrete. The test and design is as per indian standard codes. Replacement of coarse aggregates with jhamma bricks for. Sabri faculty of civil engineering and earth resources, universiti malaysia pahang, lebuhraya tun razak, 26300 kuantan, pahang email.
Influence of recycled coarse aggregate replacement. Waste coconut shell as a partial replacement of coarse. Partial replacement of blast furnance slag and ceramic. The partial replacement of coarse aggregate with palm kernel shell which is a waste in concrete can reduce the overall cost of the concrete and therefore construction also. Laboratory investigation of partial replacement of coarse.
The shape of the rubber aggregate was observed to be subangular. Three sample cubes are prepared for m20 grade concrete mix for each case another aim of this paper is to spread. India is the third largest, having cultivation in an area of about 1. Replacement of coarse aggregate by demolished brick. Experimental investigation was done using m20 mix and. Here the slump test is conducted for control concrete and rubberized concrete by partially replacing coarse aggregate by different percentage of rubber aggregates. Results of slump test serial no grades of concrete replacement of rubber aggregates in % slump. The main issues in sand and gravel mining are the large areas that are. This study evaluated the use of recycled concrete as coarse aggregate in new concrete pavements. The proportions of replacement were 0%, 50%, and 100% by mass of aggregates.
The results demonstrated that up to 50% frap may be feasible in a concrete to meet the illinois. Tyres as partial replacement of fine aggregate in concrete for construction. Research has shown that concrete with this material behaves very similarly to light weight concretes containing traditional aggregates. Influence of recycled coarse aggregate replacement percentage on fatigue performance of recycled aggregate concrete quanmin peng a,b. The various tests to be conducted on concrete such as compressive strength, split tensile strength and flexural strength. Replacement of coarse aggregate by using naturally.
With cs percentage increased the 7 days strength gain also increased with corresponding 28 days curing strength. They observed reduction in compressive strength for all samples that more in coarse aggregate replacement compared to fine aggregate replacement. Aggarwal et al 3 observed that the bottom ash can be replaced as fine aggregate upto 50% without affecting the properties of concrete. What are other alternatives for aggregates in concrete.
Pdf partial replacement of coarse aggregate with waste glass in. To find the alternative of basic materials which are used in construction from past many years. Mix proportions in order to investigate properties of cs concretes, six mixes were employed. Properties of concrete with coconut shells as aggregate. Pdf the possibility of using broken glass as a substitute for coarse aggregate in concrete serves as one of the possible solutions to the. Properties of concrete with recycled concrete aggregate. It was found that the replacement of coarse aggregate by waste shabath stone over the concrete had attained the good strength when compared to that of the. An experimental study is made on the utilization of ewaste particles as fine and coarse aggregates in concrete with a percentage replacement ranging from 0 %, 20% to 30% i. Experiments on partial replacement of coconut shell as.
Increase in cs percentage decreased densities of the concrete. Itcan be seen that there is a very considerable loss in strength with respect to the average results of thecontrol mixes. By using porous lightweight aggregate of low apparent specific gravity instead of normal coarse aggregate. Performance of waste coconut shell as partial replacement. Coconut shell as partial replacement for coarse aggregate. The sieve analysis for fine aggregate expressed a fineness modulus of 2. Determine the percentage of fine aggregate in total aggregate by absolute volume from table for the concrete using crushed coarse aggregates. Partial replacement of coarse aggregate by waste ceramic tile in concrete. The percentages of replacement will be 0%, 50% and 100%. The concrete cubes are designed for m30 as per indian standard codes. Recycled concrete as aggregate for structural concrete. The project aims at use of recycled plastic in concrete as a partial replacement of coarse aggregate. By omitting the fine aggregate from the mix so that a large number of interstitial voids present. Partial replacement of eplastic waste as coarseaggregate.
Investigation on partial replacement of coarse aggregate. Concrete is a mixture of cement, fine aggregate and coarse aggregate, which is mainly derived from natural resources. Effort towards preserving natural coarse aggregate for future generation and. Suraya hani adnan1, ismail abdul rahman1, hamidah mohd saman2. Range of particle sizes found in aggregate for use in concrete. Partial replacement of coarse aggregate with demolished. Making a sieve analysis test of coarse aggregate in a laboratory.
There are several reasons for specifying grading limits and nominal maximum aggregate size. Use of recycled tire in concrete for partial aggregate. The corresponding watercement wc ratios used were 0. Coconut shell as partial replacement of coarse aggregate. In this context, our present aims to investigate the optimal use of recycled aggregates and waste tire rubber as coarse aggregate in concrete composite and the. Coarse aggregate was then replaced with cs in 10 m2, 15 m3, 20 m4 percentages to study effect of cs replacement. The material wassieved and split into two groups of tyre aggregate.
Control concrete with normal aggregate and binary concrete mixes containing 10, 204, 0, 60, 80 and 100 % coconut by weight of coarse aggregate were produced and cured for 7, 14, 28, 56 and 90 days respectively. More than 15% of replacement for coarse aggregate is not considerably useful for construction field because of strength decrease. The suitability of recycled plastics as coarse aggregate in concrete and its advantage are discussed here. Glass was used to replace up to 35% of coarse aggregates in concrete mixes. Recycled glass as a partial replacement for fine aggregate. Study of concrete by using waste plastic bottle caps as. Experimental investigation of concrete using coconut shell. The concrete mixtures incorporate either basalt or crushed limestone, aggregate sizes of 12 mm h in. Replacement of recycled coarse aggregates with natural.
The maximum percentage of aggregate replaced by shredded plastic as been determined based on detailed experimental study. Increasing population, expanding urbanization, climbing way of life due to technological innovations has demanded a huge amount of natural resources in the construction industry, which has resulted in scarcity of resources. Recycled aggregate as coarse aggregate replacement in. Rap replacement of fine aggregate at 0, 20, 40, 60, 80 and 100% was used. Concrete is prepared with granite fines as a partial replacement of fine aggregate in different proportions namely 10%, 15%, and 20%. The use of fractionated reclaimed asphalt pavement frap was investigated as a partial replacement 0%, 20%, 35%, and 50% of virgin coarse aggregate in a ternary blend concrete containing cement, slag, and fly ash. The results of this study indicate both structural and considerable economical effect of using 10% optimum percentage of wg as a partial replacement of coarse aggregate in concrete. Here you will replace the coarse aggregate by burn brick or jhama brick and you will study the effect of salient parameters that affect the properties of jhama class brick based concrete. Strength properties of concrete containing coconut shell. Coarse aggregate may be formed by crushing of stones and fine aggregates. Recycled concrete aggregate rca produced from demolished pavements in three geographicallydispersed locations in washington state were used to perform testson aggregate characte ristics, fresh concrete propertiesand hardened concrete properties. Table 1 shows the composition of the constituent materials used.
The compressive strength of recycled concrete car concrete made using 10% of demolition waste coarse aggregate is almost similar to referral concrete. Select the water content, for the required workability and maximum size of aggregates for aggregates in saturated surface dry condition from table. Performance of reclaimed asphalt pavement rap as a. Effect of waste tyres as partial replacement of fine aggregate in. An experimental program based on two variables proportion of fine aggregates replacement and proportion of coarse aggregates replacement was implemented.
Cost reduction of concrete with respect to increasing percentage replacement of coarse aggregate is shown in table 11. Evaluation of recycled concrete for use as aggregate in. A total of one hundred and five 105 cubes and beams were cast and tested for. Coconut shell as partial replacement of coarse aggregate in concrete free download as powerpoint presentation. Pdf partial replacement of coarse aggregate in concrete. Coarse aggregate 925 935 939 942 946 953 natural fine aggregate 739 6 573 533 493 417 glass fine aggregate 0 108 143 178 211 278 2. Expanded polystyrene plays a very unique role in concrete.
In rubberized concrete, rubbers were used to replace coarse aggregates and river sand as fine aggregate. Mechanical properties of m 25 grade concrete made with. Pdf partial replacement of coarse aggregate by waste. As all the other variables were kept constant, this research enabled us to determine the influence of the coarse recycled aggregate amount 0%, 50% and 100% on tested concrete properties. In concrete the vital and costly material after cement is aggregate. The full replacement of the natural aggregate with rca results in a. A project report on behaviour of concrete by partial replacement of coarse aggregate with recycled plastic granules. Properties of concrete with coconut shells as aggregate replacement 22 2. Investigation of recycled polyethylene terephthalate pet. Typical concrete mixtures are comprised of water, sand, cement and an aggregate of rock. The properties of the recycled aggregate and of the new concrete made from it, with nearly 100% of aggregate replacement, were tested. Partial replacement of coarse aggregate with palm kernel.
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