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International Journal of Engineering and Advanced Technology (IJEAT) ISSN: 2249-8958, Volume-8 Issue-5, June 2019 Table 5: Mix proportion of conventional concrete Fig 4: a) only crushed glass b) both crushed glass and plastic granules Grade designati on M30 V. Cement (kg/m3) 360 F.A (kg/m3) 750.41 C.A W/c (kg/m3) ratio 1309.55 .45 INVESTIGATIONS MADE A. Mixing proportion Four varieties of concrete mixing proportions were made in this study. The first concrete mix is conventional concrete mix, which consisting of cement, fine sand, gravel (1: 2.08: 3.64) and water/cement is 0.45, resulted in water (162 lit). Second concrete mixes were made of HDPE plastic granules aggregate of S100, S95P5, S90P10, S85P15 & S80P20 as a partial replacement for sand, third concrete mixes were made of crushed glass aggregate of S100, S95G5, S90G10, S85G15 & S80G20 as a partial substitute of river sand and with the same quantity of cement and coarse aggregate and water/cement as in the plain mixes. B. Preparation of specimens. Casting, compaction and curing: The casting, compaction 1. and curing are done accordingly to IS 516-1959 [16]. 2. Workability tests: Slump cone test and compaction factor are done accordingly to IS 1199-1959 [15]. 3.Split tensile strength: cylinders [150mm (dia) × 300mm (height)] are casted accordingly to IS 516-1959. Compression strength: concrete cubes 4. (100mm×100mm×100mm) were prepared according to IS 516-1959. 5.Flexural strength: prisms are prepared as per IS 516 – 1959. Table 6: Mix proportion of concrete with HDPE plastic Mix Cement mode content (kg/m3) S95P5 360 S90P10 360 S85P15 360 S80P20 360 Mix Cement mode content (kg/m3) S95G5 360 S90G10 360 S85G15 360 S80G20 360 Coarse aggregate (kg/m3) 1309.55 1309.55 1309.55 1309.55 Coarse aggregate (kg/m3) 1309.55 1309.55 1309.55 1309.55 Fine aggregate Water (lit) 162 162 162 162 Water (lit) 162 162 162 162 Sand (kg/m3) 712.88 675.35 637.82 600.29 HDPE plastic granules (kg/m3) 37.53 75.06 112.59 150.12 A. III. RESULTS AND DISCUSSION Slump tests: Table 7: Mix proportion of concrete with crushed glass i. From fig 6, slump tests results of concrete with HDPE plastic shows in fig 3, the slump value decreases by increasing the percentage of HDPE plastic granules of S95P5, S90P10, S85P15 & S80P20 replacement as fine aggregate decreasing in percentage 13.37%, 20%, 46.67% and 48.34% respectively. Fine aggregate Sand (kg/m3) 712.88 675.35 637.82 600.29 Crushed glass (kg/m3) 37.53 75.06 112.59 150.12 Table 8: Mix proportion of optimum mixes Finding the most favorable proportion of crushed glass from third mix results and fourth mixes were made of optimum percentage crushed glass aggregate and HDPE plastic granule aggregate S100, S80G15P5, S75G15P10, S70G15P15 & S65G15P20 as a partial replacement for sand with same amounts of cement, gravel and water/cement as in the conventional mix. Fig 5: Measuring slump value Retrieval Number E7137068519/19©BEIESP 538 Published By: Blue Eyes Intelligence Engineering & Sciences PublicationPDF Image | Recycled HDPE Partial Substitute of fine Sand in Concrete
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