Tendon fixing system of long span fire resistance deck strained at deck end and construction method of the same

摘要

the present invention can be applied to the up-to bending displacement without damage or destruction of the deck plate, the arrangement direction of the fixing points of the tendons the tension fixing the deck end portion a so as to match the tensile force direction the section provides that the tendons settlement system and fire-resistant construction methods of the span decks. In tendons fixing system of the chapter in which tension the fixing on the deck end according to the preferred embodiment of the present invention span fire deck, the tendons fixing system for controlling a tendons deflection of the deck plate body is installed supported on H-shaped beams opposite to each other, and rod support plate a pair of which it is joined to the bolt facing the concrete filling bone two places which are upward opening of the deck plate the main body, and a pair of clasps for the rod connection that is each bonded to the steel bar support plate, for the steel rods connected to opposite rod for tendons crossing points which are fitted on both ends of the latch element is configured as a point upstream of the deck plates; The tendons fixing unit is supported in position on both end side of the concrete filling bone maguripan deck plate body is provided; The tendons is characterized in that both ends are positioned in contact with the lower surface of the steel bar for the tendons point installed in two places in the other section connected to the tendons and the tension-side fixing unit at the same time increase the supporting force provided to exert. ;