QUALITY CONTROLLING AND TESTING METHOD OF CEMENT IMPROVED GROUND

PROBLEM TO BE SOLVED: To determine the proper charging amount of a solidifying material to the improved ground due to a cementitious solidifying agent or the like by a prior indoor test. SOLUTION: A test body wherein a plurality of solidifying materials, which are increased with respect to the plan...

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Bibliographic Details
Main Authors ASAKA MIHARU, KATSURA YUTAKA
Format Patent
LanguageEnglish
Published 08.09.2005
Edition7
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
SOIL SHIFTING
TESTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:PROBLEM TO BE SOLVED: To determine the proper charging amount of a solidifying material to the improved ground due to a cementitious solidifying agent or the like by a prior indoor test. SOLUTION: A test body wherein a plurality of solidifying materials, which are increased with respect to the plan addition amount of the solidifying material, added to a spot soil sample is prepared prior to improve the ground and an indoor test for calculating a shearing wave speed and strength with respect to the test body to set the relation between the shearing wave speed Vsand uniaxial compression strength quto calculate of a regression curve and the value of the shearing wave speed Vscalculated with respect to the improved ground immediately after improvement is adapted to the regrassion curve to grasp the strength of the improved ground to confirm an improving effect. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20040047498