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Parametric study on sustainable geopolymer concrete

机译：可持续地缘聚合物混凝土的参数研究

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The main cause of global warming generates from cement manufacturing industries. In order to reduce green house gas emission, development of alternative of cement is the main challenge. The industrial by-product fly ash (FA) which was rich in silica and alumina activated with sodium hydroxide (NaOH) and sodium silicate (Na_2SiO_3) solution produced a binder. This was combined with natural coarse aggregate and fine aggregate to produce geopolymer concrete (GPC). This paper presents the experimental investigations on the fresh and hardened properties of GPC mix. Fresh concrete properties such as workability and hardened concrete properties like compressive strength (CS), split tensile strength (STS), flexural strength (FS), density and water absorption were investigated. Effect of sulphate, acid, chlorides on the compressive strength and weight were also studied. The results indicated that GPC could withstand the acidic environment. Behaviour of CS of GPC mixes were confirmed by the SEM images.
机译：全球变暖的主要原因从水泥制造业产生。为了减少绿色房屋气体排放，水泥的替代方案的发展是主要挑战。富含二氧化硅和氧化铝的工业副产物飞灰（FA）用氢氧化钠（NaOH）和硅酸钠（Na_2SiO_3）溶液活化粘合剂。将其与天然粗骨料和细聚集体相结合，以产生地质聚合物混凝土（GPC）。本文介绍了对GPC混合的新鲜和硬化性能的实验研究。诸如可操作性和硬化的混凝土特性等新鲜混凝土等性等，如抗压强度（CS），分裂拉伸强度（STS），弯曲强度（FS），密度和吸水性。还研究了硫酸盐，酸，氯化物对抗压强度和重量的影响。结果表明，GPC可以承受酸性环境。通过SEM图像确认了GPC混合物CS的行为。

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