“…Numerous studies have substantiated that enhancing the ratio of alkaline activator, thereby reducing the pH of geopolymer binders, reduces the setting time. This enhancement reinforces the influence of mineral fillers, primarily FA, GBFA, RHA, SF, and MK, on the rheological properties of UHPGPC [ 32 , 43 , 47 , 60 ]. Multiple research studies have found that the water demand in UHPGPC with SF increases as the proportion of SF in the mixture increases [ 32 , 43 , 47 , 60 ].…”
Section: Fresh Characteristics Of Uhpgpcsupporting
confidence: 68%
“… Fig. 2 The scope of compressive strength for GPC as a function of sodium oxide to binder ratio and w/b (Used as per permission from Elsevier [ 43 ]). …”
Section: Design Approaches Of Uhpgpcmentioning
confidence: 99%
“…Over recent times, considerable investigation has been undertaken to augment the strength properties of GPC. Only a few studies have explored the evolution of ultra-high-performance geopolymer concrete [ 40 , [43] , [44] , [45] ]. The advancement of UHPGPC is crucial in satisfying the growing request for cost-efficient, high-performance, and sustainable materials in modern building practices.…”
“…Numerous studies have substantiated that enhancing the ratio of alkaline activator, thereby reducing the pH of geopolymer binders, reduces the setting time. This enhancement reinforces the influence of mineral fillers, primarily FA, GBFA, RHA, SF, and MK, on the rheological properties of UHPGPC [ 32 , 43 , 47 , 60 ]. Multiple research studies have found that the water demand in UHPGPC with SF increases as the proportion of SF in the mixture increases [ 32 , 43 , 47 , 60 ].…”
Section: Fresh Characteristics Of Uhpgpcsupporting
confidence: 68%
“… Fig. 2 The scope of compressive strength for GPC as a function of sodium oxide to binder ratio and w/b (Used as per permission from Elsevier [ 43 ]). …”
Section: Design Approaches Of Uhpgpcmentioning
confidence: 99%
“…Over recent times, considerable investigation has been undertaken to augment the strength properties of GPC. Only a few studies have explored the evolution of ultra-high-performance geopolymer concrete [ 40 , [43] , [44] , [45] ]. The advancement of UHPGPC is crucial in satisfying the growing request for cost-efficient, high-performance, and sustainable materials in modern building practices.…”
“…They can be produced with pozzolanic waste materials instead of PC, which has made UHPGPC an eco-friendly and more sustainable material than conventional UHPC. [7][8][9][10] The replacement of PC with pozzolanic waste materials in UHPGPC mixtures enables UHPGPC to have higher strength, lower permeability, and superior durability properties. However, similar to UHPC, UHPGPC are very sensitive to the effect of high temperature after a possible fire, and significant reductions in their physical, mechanical, and durability properties occur.…”
Section: Introductionmentioning
confidence: 99%
“…Ultra‐high performance geopolymer concrete (UHPGPC) are aluminosilicate material obtained by activating pozzolanic materials with alkali activators. They can be produced with pozzolanic waste materials instead of PC, which has made UHPGPC an eco‐friendly and more sustainable material than conventional UHPC 7–10 …”
This paper primarily examines the flowability, physical appearance, mass loss, residual compressive strength (RCS), and residual flexural strength (RFS) properties of steel (ST) and basalt (BA) fiber-added sustainable ultra-high performance geopolymer cement (UHPGPC) mortars exposed to hightemperature effects. According to the results obtained, ST and BA fibers adversely influence the workability properties of UHPGPC mortars and thus significantly reduce the spreading diameters of the mortars. However, ST and BA fibers substantially improve the RCS and RFS capacities of UHPGPC specimens exposed to high temperatures because they have a powerful bonding effect with the matrix and effectually restrict the development of micro-and macro-cracks with their bridging effect. Furthermore, this phenomenon is slightly more effective in hybrid form than using ST and BA fibers.
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