A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Strength Behavior of Polypropylene Fiber Reinforced GGBS Based Geopolymer Clay Blends
Geopolymers are alternative binders to cement and lime blended expansive clays and also utilize industrial by-products as precursors for effective blends. This paper presents the experimental investigation on the influence of polypropylene fibers on the strength behaviour of the GGBS based geopolymer expansive clays. The geopolymer soil is embedded with varying percentages of polypropylene fibers such as 0.2, 0.4, 0.6, 0.8 and 1.0% by dry weight of soil. Unconfined compressive strength increased with an increase in GGBS content from 0 to 25% by dry weight of soil. UCS and split tensile strength of the GGBS based geopolymer clay blends increased with an increase in polypropylene fibers for a given precursor content. Scanning electron microscopy (SEM) analysis was carried for understanding the texture and microstructure of the geopolymer blends for the addition of different precursor’s contents. The micrographs of the geopolymer blends showed the formation of Si–O-Si bonds, and micro-cracks were observed for the blends having a higher percentage of precursor content.
Strength Behavior of Polypropylene Fiber Reinforced GGBS Based Geopolymer Clay Blends
Geopolymers are alternative binders to cement and lime blended expansive clays and also utilize industrial by-products as precursors for effective blends. This paper presents the experimental investigation on the influence of polypropylene fibers on the strength behaviour of the GGBS based geopolymer expansive clays. The geopolymer soil is embedded with varying percentages of polypropylene fibers such as 0.2, 0.4, 0.6, 0.8 and 1.0% by dry weight of soil. Unconfined compressive strength increased with an increase in GGBS content from 0 to 25% by dry weight of soil. UCS and split tensile strength of the GGBS based geopolymer clay blends increased with an increase in polypropylene fibers for a given precursor content. Scanning electron microscopy (SEM) analysis was carried for understanding the texture and microstructure of the geopolymer blends for the addition of different precursor’s contents. The micrographs of the geopolymer blends showed the formation of Si–O-Si bonds, and micro-cracks were observed for the blends having a higher percentage of precursor content.
Strength Behavior of Polypropylene Fiber Reinforced GGBS Based Geopolymer Clay Blends
Lecture Notes in Civil Engineering
Satyanarayana Reddy, C. N. V. (editor) / Saride, Sireesh (editor) / Krishna, A. Murali (editor) / Nagaraju, T. V. (author) / Sharmila, Ch. Sarada (author) / Santhoshi, A. S. P. V. (author)
2021-07-28
7 pages
Article/Chapter (Book)
Electronic Resource
English
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