Concrete cavity multifunctional construction platform and its construction method

Abstract

The invention discloses a multifunctional construction platform with a concrete inner cavity, which comprises an inner mold bracket located in the inner cavity of a leaning tower column. A traversing platform and a load-carrying platform are sheathed on the outer side of the bracket, and the upper end of the traversing platform is hinged with a climbing device that pushes and slides alternately with the climbing track. The present invention also provides a construction method based on the multifunctional construction platform of the concrete inner cavity, which mainly includes: 1) installing the multifunctional construction platform; 2) pouring the concrete segment to be poured; 3) climbing the load-bearing platform; 4) supporting the inner mold Climbing; 5) Installation and positioning of the reinforcement cage; 6) Climbing of the inner mold. The entire multi-functional platform integrates multiple functions such as internal formwork climbing, steel cage installation and positioning, precise vibration, and internal formwork support automatic climbing, which greatly improves the efficiency of concrete inner cavity construction of inclined tower columns; and the positioning device and vibration The positioning accuracy of the device is high.

Description

Technical field [0001] The present invention relates to the field of bridge construction techniques, and in particular to a concrete lumen multifunction construction platform and a construction method thereof. Background technique [0002] In the bridge construction, the main tower outer wall construction often uses a hydraulic automatic climbing system, while the main tower is high due to space limitations, the construction is high, generally using the molding or set up a model construction, and continuously requires tower cranes during the construction process. Low efficiency, high security, and low structural use rate. If the main tower inner cavity construction is changed to a hydraulic automatic climbing system, it requires the impact of the main tower lack of space, design reasonable template and its bracket climbing system and climbing device to meet safe, reliable and efficient In addition, in the concrete lumen, the installation and positioning of the steel cage and the ...

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Problems solved by technology

[0002] In bridge construction, the hydraulic automatic climbing system is often used for the construction of the outer wall of the main tower, while the inner cavity of the main tower is usually constructed by turning over the mold or erecting the formwork due to the limited space and high construction height. During the construction process, tower cranes are constantly needed to assist hoisting and positioning , low efficiency, high security risk, and low structural utilization

However, if the construction of the inner cavity of the main tower is changed to a hydraulic automatic climbing system, it is required to overcome the influence of insufficient space in the inner cavity of the main tower as much as possible, and design a reasonable climbing system and climbing device for the formwork and its support to meet the requirements of safety, reliability and efficiency. In addition, in the construction of the concrete inner cavity, the installation and positioning of the steel cage and the inner mold need to use the positioning device. In the past, the tower crane was mainly used for positioning, but there were problems of limited operating space and inaccurate positioning. The concrete During the pouring process, vibrating operations are constantly required. Manual high-altitude vibrating operations are very dangerous, and it is difficult to control the direction of vibrating, and the vibrating effect is not good.

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