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Strength properties and durability studies on modified geopolymer concrete composites incorporating GGBS and metakaolin
Applied Nanoscience ( IF 3.869 ) Pub Date : 2021-08-20 , DOI: 10.1007/s13204-021-02015-y
Srikanth Divvala 1 , M. Swaroopa Rani 1
Affiliation  

In this research, the main investigation on macro level and durability characteristics of medium and high strength geopolymer concrete composites, where cement is completely replaced with the cementitious material integration of granulated ground blast furnace slag (GFS) and metakaolin (MKL) along with sodium hydroxide (8 M, 10 M, 16 M and 20 M) and sodium silicate solution were rummage-sale as energizing the binders. Many researchers are concentrated on the single replacement of binding material whereas in this investigation composite replacement of binding material is performed. Mechanical and engineering properties are determined for evaluating the strength attributes of the modified composite geopolymer concrete. GPC1 mix specimens attained the maximum compressive strength (CS), split tensile strength (STS) and flexural strengths (FS) values of 63.22, 2.63 and 10.6 for 28 days and 67.55, 3.1 and 12.8 for 90 days. GPC1 and GPC4 specimens exhibit better resistance to both H2SO4 and HCL environment.



中文翻译:

含GGBS和偏高岭土的改性地质聚合物混凝土复合材料的强度性能和耐久性研究

在本研究中,主要研究中高强度地质聚合物混凝土复合材料的宏观水平和耐久性特性,其中水泥完全被高炉矿渣(GFS)和偏高岭土(MKL)以及氢氧化钠的胶凝材料集成在一起(8 M, 10 M, 16 M 和 20 M) 和硅酸钠溶液被大量销售,作为给粘合剂提供能量。许多研究人员专注于结合材料的单一更换,而在本研究中,执行结合材料的复合更换。确定机械和工程性能以评估改性复合地质聚合物混凝土的强度属性。GPC1 混合试样达到最大抗压强度 (CS),分裂拉伸强度 (STS) 和弯曲强度 (FS) 值分别为 63.22、2.63 和 10.6(28 天)和 67.55、3.1 和 12.8(90 天)。GPC1 和 GPC4 样品对 H2 SO 4和 HCL 环境。

更新日期:2021-08-20
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