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既有线电化改造始于最近几年,发展势头强劲;尤其是随着“东部铁路率先实现现代化”战略的实施,东部铁路既有线电化改造正紧锣密鼓地进行,如萧甬、京九、合宁线等。既有线电化接触网拨接施工是既有线改造的“卡脖子”工程,是施工中最关键、最重要的环节之一,因其受天窗点、交叉施工、运输、安全、设计及施工的制约,而备受施工单位、建设单位和设备管理单位的关注。因此,作为指导施工的拨接方案就显得尤为的重要,其优劣将直接反映到拨接施工中,成为衡量施工单位施工管理水平和设备管理单位监督能力的砝码。
With the implementation of the strategy of “taking the lead in realizing the modernization of the Eastern Railway”, the electrification of both existing lines and the vigorous development of electrification of the existing lines in the eastern railway are taking place in recent years. For example, Xiao Yong, Ning line and so on. The existing line electrification network dial-up construction is the reconstruction of the existing line “card neck ” project, is one of the most critical and most important links in construction, because of its sunroof point, cross construction, transportation, safety, design and construction Constraints, and much construction unit, construction unit and equipment management unit’s attention. Therefore, dial plan as a guide construction is particularly important, its advantages and disadvantages will be directly reflected in the dial-up construction, a measure of the construction unit construction management and equipment management unit supervision capacity.