7PAGLIA C, WORMBACHER F, BOHNI H. The Influenceof Alkali-free and Alkaline Shotcrete Accelerators withinCement Systems I: Charac- terization of the Setting Behav-ior. Cement and Concrete Research, 2001,31 (6) :913 -918.
8MALTESE C, PISTOLESI C, DAL NEGRO E. New HighPerformance Liquid Alkali-free Accelerators for WetSprayed Concrete: A State of the Art about Action Mecha-nism and Technological Properties//The Federationfor Structural Concrete. Proceedings of the 2nd FIB Con- gress, Session 4, Underground and Foundation Struc-tures, Naples, Ita- ly,June 5 -8,2006:1 -9.