CONSTRUCTION METHOD FOR PREVENTING LIFT OF UNDERGROUND STRUCTURE

PROBLEM TO BE SOLVED: To provide a construction method for preventing the lift of an underground structure, which can make an occupied area of a road small, and which can reduce construction costs. SOLUTION: This construction method for preventing the lift of the underground structure is characteriz...

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Bibliographische Detailangaben
Hauptverfasser:	OKUBO YASUHIRO, KONISHI YASUHIKO, TAKEUCHI MIKIO, IIDA TSUTOMU, KURUMADA YOSHINORI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DREDGING EMBANKMENTS ENGINEERING ELEMENTS AND UNITS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULIC ENGINEERING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SOIL SHIFTING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL UNDERGROUND OR UNDERWATER STRUCTURES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a construction method for preventing the lift of an underground structure, which can make an occupied area of a road small, and which can reduce construction costs. SOLUTION: This construction method for preventing the lift of the underground structure is characterized in that improved ground is formed by injecting a chemical solution into ground 9 on the downside of the bottom of the underground structure 6. The injection of the chemical solution into the sand ground 9 is performed by installing an injection pipe 11 with a check valve in an injection hole 10 which is drilled in the bottom 8 of the underground structure 6 from the inside. COPYRIGHT: (C)2008,JPO&INPIT