ADMIXTURE FOR SOIL IMPROVEMENT AND SOIL IMPROVEMENT METHOD

PROBLEM TO BE SOLVED: To provide an admixture for soil improvement capable of efficiently preventing elution to the environment with hexavalent chromium for a relatively long term when soil improvement is conducted by using a concrete waste material, and to provide a soil improvement method.SOLUTION...

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Bibliographische Detailangaben
Hauptverfasser:	KOYAMA TOMOYOSHI, YOSHIDA MASAHIKO, SATO TAKANOBU, ARAKI ICHIJI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DISPOSAL OF SOLID WASTE 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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES RECLAMATION OF CONTAMINED SOIL SOIL SOIL SHIFTING THEIR RELEVANT APPARATUS TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an admixture for soil improvement capable of efficiently preventing elution to the environment with hexavalent chromium for a relatively long term when soil improvement is conducted by using a concrete waste material, and to provide a soil improvement method.SOLUTION: There is provided an admixture for soil improvement having a molded body containing a binder and at least one kind of hexavalent chromium elution-decreasing component selected from a group consisting of an adsorbent, an insolubilization material and a reductant, and used with a concrete waste material.