CONSTRUCTION METHOD OF VOID SLAB

PROBLEM TO BE SOLVED: To enhance transportation efficiency of a void form and lifting efficiency to a construction part, to eliminate troublesomeness of cutting a spiral pipe to a required length according to field conditions and further to stably fix the void form using one kind of bearers.SOLUTION...

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Bibliographische Detailangaben
Hauptverfasser:	ONO TOSHINORI, TAKAHATA AKINOBU, MORIGUCHI KENICHI, NISHIOKA HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CEILINGS FIXED CONSTRUCTIONS FLOORS FORMS GENERAL BUILDING CONSTRUCTIONS HANDLING BUILDING MATERIALS ON THE SITE INSULATION OR OTHER PROTECTION OF BUILDINGS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS ROOFS SCAFFOLDING SHUTTERING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enhance transportation efficiency of a void form and lifting efficiency to a construction part, to eliminate troublesomeness of cutting a spiral pipe to a required length according to field conditions and further to stably fix the void form using one kind of bearers.SOLUTION: The void form A including a length-adjustable cylindrical body 1 formed by slidably fitting a plurality of ribbed spiral steel pipes with different outer diameters, and cover bodies 2 blocking both end openings, is supported to the bearers 5 and embedded in a reinforced concrete slab to construct the void slab B. A bar-like member 6 with a thickness corresponding to the outer diameter difference from an outer pipe, or a semicircular band plate 10 is mounted to the outer surface of an inner pipe, or spacers 9 are mounted to the bearers to absorb the inner-outer diameter difference.