METHOD AND SYSTEM FOR CHECKING INFILLING OF GROUT INTO CABLE SHEATH OF PC STRUCTURE

PROBLEM TO BE SOLVED: To check the degree of infilling of grout into a cable sheath of a post-tensioned type PC structure with a high degree of accuracy. SOLUTION: In this method for checking the infilling of the grout into the cable sheath 11 of the post-tensioned type PC structure, an injection po...

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Bibliographische Detailangaben
Hauptverfasser:	SHOJI AKIO, WATASE HIROSHI, NIITANI NORIJI, SAKANISHI KAORU, KOMINE KEIZO
Format:	Patent
Sprache:	eng
Schlagworte:	ASSEMBLY OF BRIDGES BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE OR VIADUCTS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To check the degree of infilling of grout into a cable sheath of a post-tensioned type PC structure with a high degree of accuracy. SOLUTION: In this method for checking the infilling of the grout into the cable sheath 11 of the post-tensioned type PC structure, an injection port for injecting the grout into the cable sheath 11 is provided; an exhaust port for discharging air in the cable sheath 11 is provided; and a flow sensor 13 for measuring the amount of exhaust air from inside the cable sheath 11 via the exhaust port is provided. The grout is infilled into the cable sheath 11 via the injection port. Thus, the amount of the exhaust air discharged from inside the cable sheath 11 via the exhaust port is measured by means of the flow sensor 13, and the infilling of the grout into the cable sheath 11 is checked on the basis of the measured amount of the exhaust air. COPYRIGHT: (C)2009,JPO&INPIT