GROUTING ENGINEERING METHOD

PURPOSE:To improve the water barrier efficiency, deformation efficiency and durability of the foundation ground of a dam, an urban public work or the like by filling grout mainly composed of silica fume or admixture grout to adequately exhibit the characteristics of grout. CONSTITUTION:Water 12, a d...

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Bibliographische Detailangaben
Hauptverfasser:	TERAMOTO KATSUZO, MATSUI KENICHI, TERADO YASUTAKA, MORI MASAHARU, KASHIWA TADANOBU, TAMAI AKITOMO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PURPOSE:To improve the water barrier efficiency, deformation efficiency and durability of the foundation ground of a dam, an urban public work or the like by filling grout mainly composed of silica fume or admixture grout to adequately exhibit the characteristics of grout. CONSTITUTION:Water 12, a dispersant 13 and micro silica 14 which are measured by a measuring device 11 according to the required blending are charged into a slurry mixer 15 to be stirred. The mixture is transported to an agitator 17 by a force feed pump 16 and injected into the ground by a grout pump 18. In this case, the silica has the purity of amorphous SiO of 90% or more. Thus, the grout can satisfactorily penetrate into a very small gaps between the particles so as to remarkably improve the water barrier efficiency and durability of the ground.