Spent coffee grounds enhanced strength of alkali-hydroxide-free geopolymer concrete: an optimization study

This paper presents the development of alkali-hydroxide-free (AHF) geopolymer concrete made of fly ash and spent coffee grounds (SCG) mix. Geopolymers are often formulated with the use of alkali hydroxides, which may have health and safety risks, durability, and workability issues. The addition of a...

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Bibliographic Details

Main Authors:	Khong, Sheh Ching, Yee, Jia Jun, Gimbun, Jolius, Tee, Kong Fah, Chin, Siew Choo
Format:	Article
Language:	en
Published:	Springer 2025
Subjects:	TA Engineering (General). Civil engineering (General) TF Railroad engineering and operation TH Building construction
Online Access:	https://umpir.ump.edu.my/id/eprint/46034/1/Khong%202025%20%282%29.pdf https://doi.org/10.1186/s40712-025-00331-7 https://umpir.ump.edu.my/id/eprint/46034/
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