A bridge cast-in-place concrete anti-collision guardrail formwork construction device and construction method

Abstract

The invention discloses a bridge cast-in-place concrete anti-collision guardrail formwork construction device and a construction method. The bridge cast-in-place concrete anti-collision guardrail formwork construction device comprises an outer form, an inner form, outer form jacking supports and inner form jacking supports, wherein the outer form is fixed on the outer form jacking supports and canmove up and down along with the outer form jacking supports, the inner form is fixed on the inner form jacking supports and can move up and down along with the inner form jacking supports, the bottomof the inner form and the bottom of the outer form are fixed through opposite-pulling screw rods, the upper end of the inner form and the upper end of the outer form are fixed through pull rods, longitudinal beams are fixed above the inner form jacking supports, transverse beams are fixed to the top ends of the longitudinal beams and extend above the outer form, holes are formed in the transversebeams so as to install limiting pins, the lower ends of the limiting pins are connected with the upper end of the outer form through bolts, and no relative displacement exists in the moving processesof the inner form and the outer form through the limiting pins. According to the bridge cast-in-place concrete anti-collision guardrail formwork construction device and the construction method, the operation is simple and convenient, cooperation of other machinery is not needed, pin shafts between all sections of forms are pulled out, and the jacking supports are used for jacking the forms, the forms can be manually pushed on the inner side of a guardrail, the forms can be moved to the next span of construction, safety and reliability are achieved, and the construction efficiency is high.

Description

technical field [0001] The invention relates to the technical field of construction of anti-collision guardrails, in particular to a formwork construction device and construction method for cast-in-place concrete anti-collision guardrails of bridges. Background technique [0002] In the traditional construction of bridge anti-collision guardrails, the installation and removal of the guardrail formwork requires the use of cranes, but the working radius of the crane is limited, and it needs to be constantly shifted to meet the construction requirements, which greatly reduces the construction efficiency. The connection between the formwork is generally connected by bolts. When installing the connecting bolts of the outer formwork and the tie rods, the operator needs to work in the air outside the guardrail, and the safety is low. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide an easy-to-operat...

AI Technical Summary

Problems solved by technology

The connection between the formwork is generally connected by bolts. When installing the connecting bolts and the tension rods of the outer formwork, the operator needs to work in the air outside the guardrail, which is low in safety.

Images