"[L]ower water content leads to a hard mixture... easily resulting in bubble bursting..."

"The (ACI) recommends that mixed water should be fresh, clean, and drinkable..."

"Over the past 30 years, FC are widely used for the bulk filling... ditch repair, retaining wall...bridge backfill... …"

"The water requirement for constituent material depends on composition, consistency and stability of the mortar body..."

"FC was initially envisaged as a void filling, stabilization, and insulation material..."

"[H]igher water content causes mixture too thin to accommodate bubbles... causing bubbles separating from the mixture..."

"This CPAR project was undertaken to test, demonstrate, and commercialize a new construction system... [which] employs…"

"The booming development of this new constituent material in buildings and constructions was enhanced in the late 1970…"

"The basic components of FC consist of (1) water, (2) binder, (3) foaming agent, (4) filler, (5) additive, and (6) fiber."

"Cement is the most commonly used binder. The ordinary , rapid hardening Portland cement, calcium sulphoaluminate ceme…"