PERPENDICULAR ACCURACY MEASURING SYSTEM FOR REVERSELY DRIVEN COLUMN

PROBLEM TO BE SOLVED: To provide a plumbing error measuring system capable of accurately and easily measuring the perpendicular accuracy of a reversely driven column plumbed in a ground.SOLUTION: This perpendicular accuracy measuring system 1 includes a pipe body 3 attached to the reversely driven c...

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Bibliographische Detailangaben
Hauptverfasser:	IKEDA YUICHI, OBIKANE TOMOHIRO, DOYAMA ATSUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FORMS FOUNDATIONS GALLERIES HANDLING BUILDING MATERIALS ON THE SITE HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHAFTS SHUTTERING SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a plumbing error measuring system capable of accurately and easily measuring the perpendicular accuracy of a reversely driven column plumbed in a ground.SOLUTION: This perpendicular accuracy measuring system 1 includes a pipe body 3 attached to the reversely driven column 2, a cover 4, a mark 5, an illumination 6, and a perpendicular collimator 7. The cover 4 is attached to the bottom of the pipe body 3, and the mark 5 is formed on the upper surface of the cover 4. The perpendicular collimator 7 can specify the position of the mark 5.