下穿铁路便梁条基优化及箱涵顶进技术研究

Study on Optimization of Portable Beam Strip Foundation and Jacking Technology of Box Culvert for Underpass Railway

摘要:

随着铁路路网的不断完善，市政道路下穿铁路施工环境也随之越来越复杂，难度也越来越大，施工方案的优化对下穿铁路施工控制也越发重要。结合上海软土地区下穿立交顶进施工，详细阐述通过便梁条基数量和破除工艺优化等措施，确保工程安全、优质、高效完成的案例，为后续同类工程施工提供借鉴。

Abstract:

With the continuous improvement of the railway network, the construction environment for municipal roads to pass under railways is becoming more and more complex and difficult. The optimization of construction scheme is becoming more important for the construction control of underpass railway. Combined with the jacking construction of underpass overpass in the soft soil areas of Shanghai, the cases to ensure the engineering safety, high quality and efficient completion through the measures of optimizing the quantity and demolition process of portable beam strip foundation are expounded in detail, which provides the references for similar construction projects in the future.