STEEL FRAMED CONCRETE STRUCTURE

PROBLEM TO BE SOLVED: To shorten the construction period by providing a steel frame inside of a precast form which is obtained by mixing the reinforcing material in mortar, and placing concrete inside of this precast framework. SOLUTION: A cylindrical concrete precast material 7 is stood at a centra...

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Bibliographic Details
Main Authors IMANISHI HIDEKIMI, HARA NATSUO, HASHIMOTO OSAMI, YOKOZAWA KAZUO, MISHIMA TETSUYA, SHINODA YOSHIO, KONO KAZUNORI
Format Patent
LanguageEnglish
Published 25.03.1997
Edition6
Subjects
ASSEMBLY OF BRIDGES
BUILDING
BUILDING MATERIALS
CEILINGS
CONSTRUCTION OF BRIDGES
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
INSULATION OR OTHER PROTECTION OF BUILDINGS
OR VIADUCTS
ROOFS
STRUCTURAL ELEMENTS
WALLS, e.g. PARTITIONS
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Summary:PROBLEM TO BE SOLVED: To shorten the construction period by providing a steel frame inside of a precast form which is obtained by mixing the reinforcing material in mortar, and placing concrete inside of this precast framework. SOLUTION: A cylindrical concrete precast material 7 is stood at a central part of a foundation 2, and steel frames 4 made of H-shaped steel, which are respectively provided with projections in the surface thereof, are stood in the periphery of the precast material 7. The reinforcing material 8 made of stainless steel fiber is mixed in the cement group mortar at 20-60% of water-cement ratio so as to form a precast form 1. Assembly reinforcements 6 and a tie-hoop 3 are fitted onto the circumference of the inside of the precast framework 1, and a required number of the precast form 1 and the steel frame 4 are connected, and thereafter, concrete is placed. Crack dispersibility and toughness of the steel framed concrete structure can be thereby remarkably improved.
Bibliography:Application Number: JP19950238838