Shield grouting material

Anti-blocking, anti-seepage

Using seaweed gum as a thickener, it forms an ordered network via calcium-induced gelation, combining 3D spatial networking and film-forming effects to greatly enhance slurry stability without sacrificing strength.

Wenxiu, Yang · Zhao, Qinglin · Mingkai, Zhou · Chen, Xiao · Beixing, Li · Meng, Ruonan

Construction and Building Materials 2023

Advantages

Significantly reduces pressure bleeding rate

Almost no adverse impact on strength

Relatively lower cost