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Comparison of Geopolymer Paver Block Using Natural Aggregate and Recycled Aggregate as Fine Aggregate and Slag as Coarse Aggregate

机译:使用天然骨料和再循环骨料的地质聚合物摊铺机块与粗骨料的细骨料和渣的比较

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An approximate 400-500 million metric tons of fly ash is generated annually from thermal power plant. The maximum use of fly ash is necessary for the sustainable development. In this research, it attempted to develop a method for manufacture of paver block using fly ash based geopolymer technology. The influence of ratio of alkaline solution and fly ash on geopolymer paver block studied. The fly ash, fine aggregate, coarse aggregate mixed with alkaline solution of 14 molar concentration of NaOH and cured at 90°C temperature. The paver blocks casted for different Na2SiO3/NaOH ratio using natural aggregate and recycled aggregate as fine aggregate and slag as coarse aggregate. Paver blocks tested for compressive strength, flexural strength, water absorption, abrasion resistance. The study results compared against geopolymer paver block using natural aggregate and recycled aggregate as fine aggregate and slag as coarse aggregate. The geopolymer paver block with recycled aggregates having mix proportion as GPC4 showed all the test results within limit as per IS15658, hence it can be used in residential driveways, light vehicles/public pedestrian and light vehicle paths.
机译:从火电厂每年生成近似40005亿公吨的粉煤灰。粉煤灰的最大使用是可持续发展所必需的。在本研究中,它试图使用粉煤灰基地质聚合物技术制造摊铺机砌块的方法。碱性溶液与粉煤灰比对岩土聚合物摊铺砌块的影响。粉煤灰,细骨料,粗骨料与14摩尔浓度为NaOH的碱性溶液混合并在90℃温度下固化。使用自然骨料和再循环骨料作为粗骨料和熔渣作为粗骨料的不同Na2SiO3 / NaOH比的摊铺机。摊铺机块用于抗压强度,弯曲强度,吸水,耐磨性。该研究结果与使用天然骨料和再循环骨料的地质聚合物摊铺机与粗骨料和渣作为粗骨料相比。具有与GPC4混合成比例的再循环聚集体的地质聚合物摊铺机块在限制范围内显示所有测试结果,因此可用于住宅车道,轻型车辆/公共行人和轻型车辆路径。

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