Cradle for pouring bridge cantilever and construction method of cradle

Abstract

The invention relates to a cradle for pouring a bridge cantilever and a construction method of the cradle. The cradle comprises a bottom mould system, a side mould system, an inner mould system, an anchoring system, a traveling system and a hoisting system, wherein the bottom mould system, the side mould system and the inner mould system form an open-type cradle structure without a bridge floor support; and the hoisting system is used for hoisting reinforcement cages which are bound in advance. The construction method of the cradle comprises the following steps of: pouring concrete, maintaining, demolding and stretching prestressed reinforced bars; fixing when the side mould system and the bottom mould system run to a next bridge section position; hoisting the reinforcement cages which are bound in advance, connecting corrugated pipes and common reinforced bars, and installing a sawtooth mould board; fixing when the inner mould system runs to a next bridge section position; and adjusting and fixing the side mould system, the bottom mould system and the inner mould system again. According to the cradle and the construction method thereof, the advance binding and the integral hoisting of the reinforced bars can be realized; and therefore, the occupying time of the reinforced bars and the cycle period of pouring the cantilever are greatly shortened and greater effect on accelerating the speed of the bridge construction is achieved.

Description

technical field [0001] The invention relates to a bridge construction technology, in particular to an open hanging basket without a bridge deck support and a construction method for cantilever pouring construction of a bridge. Background technique [0002] The hanging basket is the technological equipment for the bridge cantilever pouring construction and the working platform for the bridge cantilever pouring. The structure of the traditional hanging basket is as follows: figure 1 As shown, it includes an outer sliding beam 902, a running track 904, a buckle wheel pair 905, a bridge deck support 907, an upper beam 909, a front boom 910, a side formwork 911, a bottom formwork longitudinal beam 913, and a bottom formwork front joist 914 , the bottom mold rear joist 915 and the bottom mold rear sling 916. Wherein, the outer sliding beam 902 is hung on the front hanging point 901 of the outer sliding beam, the rear hanging point 903 of the outer sliding beam and the front susp...

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to provide a hanging basket and a construction method for cantilever pouring construction of bridges, so as to solve the problem that when the existing hanging basket is used, the steel bar binding takes up the time of the cantilever pouring process

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