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shrinkage in concrete slab made with waste coconut shell as coarse aggregate and quarry dust as fine aggregate is proposed in this study and presented 3 Materials Used Concrete constituents used in this study are presented here Cement Ordinary Portland cement of 53 grade as per IS 12269 1987 [12] specifications was used Fine aggregate
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Short term durability of recycled coarse aggregate concrete mass of the concrete specimens in addition to the compressive strength of the concrete was assessed after 7 14 21 and 28 days With respect to mass change only the results of those specimens immersed in potable water or sodium sulphate solution appeared to show a discernible trend The mass change for those specimens immersed
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Cement Water Coarse Aggregate River Sand Quarry Dust W0 312 187 1 247 624 0 W25 312 187 1 247 468 156 W50 312 187 1 247 312 312 W75 312 187 1 247 156 468 W100 312 187 1 247 0 624 V0 348 209 1 197 583 0 V25 348 209 1 197 438 146 V50 348 209 1 197 292 292 V75 348 209 1 197 146 438 V100 348 209 1 197 0 583 A0 308 179 1 009 874 0 A25 308 179 1 009 656 219 A50 308 179 1 009 437 437 A75 308 179
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waste resources used in cement production coarse aggregate content CA kg/m 3 and curing time t Days and to nd out if there is a direct relationship between the compressive strength
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Concrete Cube Made by Using Quarry Dust The concrete cubes are prepared by using replacement of 10% 20% and 30% of quarry dust These cubes are tested for compressive strength at 3 7 and 14 days Three cube specimens were tested at 3 7 and 14 days in each percentage and obtained the compressive strength 6
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demolished waste on workability and compressive strength of recycled concrete for the study at 7 and 28 d The compressive strength thus observed was compared with strength of conventional concrete Test results showed that the compressive strength of recycled concrete up to 30% coarse aggregate replacement C A R by demolished waste at the
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PAPER WASTE FLY ASH AND QUARRY DUST IN CONCRETE Gundu 2Mukesh1 absorptions on cement crush sand and coarse aggregate Compressive strength and slump cone tests were conducted on the modified concrete Form the results it is concluded that the mix with 5% fly ash 3% paper pulp as cement replacement and 5% Shredded plastic for coarse aggregate and fully replaced of sand with crushed sand
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Lawrancepur near Attock was used as fine aggregates The coarse aggregates were supplied from Margallah hills crushers The finess modulus of sand was verified to ASTM C136/C136M 19 [22] while the water absorption and specific gravity were according to ASTM C128 15 [23] The specific gravity of coarse aggregates was as per recommendations of ASTM
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Average compressive strength = The average compressive strength of the two kinds of concrete are compared in figure 4 and figure 5 20 15 crushed rock 10 aggregate concrete Round aggregate 5 concrete 0 Figure 4 This chart shows the comparative strength of concrete containing crushed rock aggregate and concrete with natural aggregate concrete for M15 Grade 24 International
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While investigating the strength properties of E waste plastic concrete Needhidasan et al studied the effect of shredded E waste on concrete performance The replacement ratios of plastic waste ranged from 0 to 20% by volume of coarse aggregate It was examined that the decline in compressive strength CS and flexural strength FS occurs with the rise of E waste but the tensile strength
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Concrete of specified compressive strength f c ′ up to 5 000 psi and and modulus of rupture more than 750 psi is produced with the coarse aggregate defined as enriched limestone quarry waste of grading intermediate between the least Size of coarse aggregate No 89 and the largest Size of fine aggregate No 9 according to ASTM C 33
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the concrete strength determination This accelerated induced readings were fed to the network as the input variables while the concrete strength responses were the target parameter of the network with acceleration values ranging from m/s2 to m/s2 Compressive strength ranging from 16 MPa to MPa were obtained and the
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Strength evaluation of concrete using Marble COMPARING THE COMPRESSIVE STRENGTHS OF CONCRETE the quarry dust and the coarse aggregate were obtained from Table 1 Compressive strength of Quarry Information Technology for Manufacturing Systems IV Strength of Concrete with Ceramic Waste and Quarry Dust as Aggregatescement and waste tile aggregates for coarse aggregates to achieve economy
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substitute for coarse aggregates In the concrete mix and studied the physical and mechanical properties The study concluded that 5% is the best and gives desirable results 4 The research aims to 1 Recycle the glass waste and use it as a structural material in the concrete a partial replacement of the sand or a partial replacement of the gravel 2 Study the effect of glass waste on
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From the comparative studies of the experimental results reflected in Table 7 it is noted that the compressive strength of concrete surges with the increase in slag substitution ratio The enhancement in compressive strength due to the replacement of natural sand with 10% 20% 30% and 40% steel slag is % % % and % respectively An increase in compressive strength is
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Five concrete mixtures with different replacement levels of recycled fine aggregates 0 30 60 70 and 100% were used to obtain a nominal concrete compressive strength of 28MPa The test results
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Table Compressive strength of M20 concrete in 28 Days due to temperature effect Fine aggregate Sand Quarry dust Compressive strength MPa % of reduction in strength compared with control concrete Normal temperature After heated to 100°C 100 0 90 10 80 20
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This paper presents results of compressive strength capillary water absorption and density tests conducted on concrete containing recycled aggregate RCA which is obtained from structural waste generated by the construction industry in Turkey In the experiments 0% 15% 30% 45% and 60% of the normal natural coarse aggregate was replaced by the recycled aggregate Maximum aggregate
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the fine aggregate and coarse aggregate is less the obtained concrete is lighter in weight Cubes beams and cylinders were casted by partial replacing natural coarse aggregate by 25% 30% 35% 40% 45% and 50% of manufactured fly ash aggregate and using quarry as fine aggregate The strength parameters such as compressive
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such as compressive strength splitting tensile strength and bond characteristics of concrete with 12mm deformed bar incorporating coconut shell as coarse aggregate The mixing proportion of concrete for each batch is 1 cement fine aggregate 3 coarse aggregate with a constant water/cement ratio of In this research the stone
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The strength of the concrete with different coarse aggregates The compressive strength of concrete cubes made with ceramic waste and quarry dust were found to be 16% and % lesser respectively than that of conventional concrete The reasons may be due to smooth surface texture of these aggregates and poor bonding properties of the matrix
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influence of ceramic waste aggregate properties on… strength of the ceramic waste aggregate concrete is declining gradually but its strength values are more than strength of M20 grade concrete even after replacing 100% of natural coarse aggregate compressive strength and 11% lower split tensile strength quarry dust aggregate 5th Annual conference management
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concrete prepared with recycled aggregates Concrete mixes with a target compressive strength of 25 MPa are prepared using recycled aggregates at the levels from 0 to 100% of the total coarse aggregate Their influence on concrete s compressive strength is investigated As a result we found out that the
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The compressive strength of concrete cube 100% replacement of sand with quarry dust and natural sand were compared The compressive strength of concrete cube containing 100% replacement of sand with quarry dust the value ranges between to MPa For a binder content of 300 kg/m 3 The maximum compressive strength of concrete cube
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The maximum compressive strength of concrete using recycled aggregate was MPa whereas the compressive strength of concrete using natural aggregate was MPa for the concrete of 28 days of age The modulus of elasticity of concrete increased slightly due to the increased concrete s fillability when the concrete was mixed with improved basalt based recycled aggregates The highest
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With observation of 20% of quarry dust 7 days the average compressive strength is N/mm 2 whereas that for natural sand is N/mm 2 For 25% quarry dust the value increased to N/mm 2 Finally for 30% quarry dust the strength increased to N/mm 2
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The recycled aggregate is an alternative with great potential to replace the conventional concrete alongside with other benefits such as minimising the usage of natural resources in exploitation to produce new conventional concrete Eventually this will lead to reducing the construction waste carbon footprints and energy consumption This paper aims to study the recycled aggregate concrete
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The concrete materials like coarse aggregate CA fine aggregate FA cement water silica fume SF superplasticizer SP and quarry dust QD are assured in the mixing ratio and compressive strength split tensile strength flexural strength and deflection are analyzed after applying the load in the ACO technique Flowchart
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by replacing fine and coarse aggregate with quarry dust and recycled aggregate in percentages varying from 0% 10% 20% 30% 40% and 50% by weight organized as A1 A2 A3 A4 A5 A6 respectively The test results obtained from fresh and hardened concrete tests shows clearly that more than 40% replacement causes decrease in strength and workability of concrete hence the percentage of mix
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Concrete specimens were cast with ceramic waste aggregate as coarse aggregate by replacing natural coarse aggregate at 0 20 40 60 80 and 100 Due to the characteristics and behavior of ceramic waste aggregate strength properties of the ceramic waste aggregate concrete is declining Get Price
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