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悬臂造桥机工装构造设计及工艺技术应用

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为响应高速铁路工程智能建造要求,提升高速铁路悬浇连续梁(刚构)自动化、智能化、快速化、安全化水平,克服传统挂篮结构稳定性差、智能化水平低、安拆风险高、施工精度控制难度大等缺点,研发出连续梁施工智能悬臂造桥机.对悬臂造桥机承重系统、模板系统、液压系统、智能系统、防护系统、行走(后退)系统六大系统工装及拼装、预压、行走、浇筑、后退、拆除六大工艺技术进行详细介绍.对比传统挂篮工装,分析悬臂造桥机在技术上的先进性和优越性,以期为新型桥梁工装设备更好地推广提供技术参考.
Tooling Equipment Structural Design and Process Technology Application of Cantilever Bridge Building Machine
In response to the requirements of intelligent construction in high-speed railway engineering,an intelligent cantilever bridge building machine for continuous beam construction has been developed to improve the automation,intelligence,rapidity and safety level of suspended continuous beams(rigid structures)in high-speed railways,and overcome the shortcomings of traditional hanging basket structures such as poor stability,low intelligence level,high installation and dismantling risks,and difficult construction accuracy control.This paper provides a detailed introduction to the six major system fixtures,including the load-bearing system,formwork system,hydraulic system,intelligent system,protection system,and walking(backward)system of the cantilever bridge building machine,as well as the six major process technologies of assembly,preloading,walking,pouring,backward,and dismantling.Compared with the traditional hanging basket tooling,this paper analyzes the progressiveness and superiority of the cantilever bridge building machine in technology,in order to provide technical reference for the better promotion of the new bridge tooling equipment.

high-speed railwaycontinuous beamcantilever bridge building machinehanging basketintelligent construction

周伟明、肖时辉

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中铁二十四局集团有限公司 上海 200433

中铁二十五局集团有限公司 广东 广州 510600

高速铁路 连续梁 悬臂造桥机 挂篮 智能建造

2024

铁道建筑技术
中国铁道建筑总公司

铁道建筑技术

影响因子:0.539
ISSN:1009-4539
年,卷(期):2024.(12)