The mix ratio of 1:1.35:3.00:0.45 is used to cast cubes (150mm size), prisms (100mmx 100mm x 500mm) GGBS, silica fume replacement of cement with addition of basalt rock fiber (BRF) in concrete. Test specimens were cast. The strength development for various replacement of cement is ...
The setting time was tested in full compliance with SL/T 352-2020 specifications using a penetration resistance meter. Figure 6b shows the instrument used for the setting time tests. Unlike silicate concrete, geopolymer paste has a short initial setting time, which leads to the need to shorten ...