钢纤维增强地聚合物混凝土的力学性能

Maddula Rama Manikantha, M. Sophia
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引用次数: 0

摘要

在世界范围内,混凝土的使用量超过了水。对传统混凝土的需求随着混凝土作为建筑材料的需求而上升。据估计,水泥产量从1995年的15亿吨增加到2020年的45亿吨。因此,寻找水泥混凝土的替代品是不可避免的,因为水泥混凝土的生产使用了最多的资源。研究人员受到启发,通过使用补充胶凝成分,如粉煤灰、硅灰、粒状高炉炉渣和稻壳灰,创造出一种替代胶凝膏,完全取代水泥膏。这些无机无定形粘合剂会发生化学反应形成土工聚合物混凝土,这是一种尖端的建筑材料。我们使用了额外的胶凝材料,与碱性活化剂反应,生成了Al-O-Si-O凝胶,其结合强度与C-S-H凝胶相当。因为地聚合物混凝土已经有点脆了,增加它的弯曲和拉伸强度是必要的。其中包括纤维。在本研究中,通过在环境条件下养护钢纤维地聚合物[M50]混凝土,考察了其力学性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mechanical Performance of Steel Fiber Reinforced Geopolymer Concrete
Concrete is used more than water worldwide. The need for Conventional concrete rises in tandem with the demand for concrete as a building material. According to estimates, cement production rose from 1.5 billion tons in 1995 to 4.5 billion tons in 2020. Finding a substitute for Cement concrete, whose production uses the most resources, is therefore inevitable. Researchers have been inspired to create an alternative binder paste to totally replace cement paste by the use of supplemental cementing ingredients such fly ash, silica fume, granulated blast furnace slag, and rice-husk ash. These inorganic amorphous binders will chemically react to form geo polymer concrete, a cutting-edge building material. We use additional cementitious materials in this that react with alkaline activators to create an Al-O-Si-O gel that has a comparable bonding strength to C-S-H gel. Because geopolymer concrete is already somewhat brittle, increasing its flexural and tensile strength is necessary. There are fibres included. In this study, the mechanical properties of geopolymer [M50] concrete with steel fibres were examined by curing it in an ambient condition.
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