南水北调中线工程北京段PCCP管道施工对马刨泉影响的地质分析与研究

Geological analysis and research on impacts from construction of PCCP pipeline of Beijing-section within Mid-route of South-to-North Water Transfer Project on Mapao Spring

通过对已有资料的认真分析,经过进一步的勘察工作,在全面分析研究工程区地层岩性、可溶岩与断裂构造的分布以及水文地质条件的基础上,对南水北调中线工程北京段PCCP管道施工是否影响马刨泉做出了明确的判断,并提出了合理的施工方法。该管道施工实践证明,判断是正确的,合理的建议也得到了施工的采纳。

Through detailed analysis on the existing data and the further investigation, an explicit judgement on the impacts from construction of PCCP pipeline of Beijing-section within Mid-route of South-to-North Water Transfer Project is made herein based on a comprehensive analysis and study made on the stratum-lithology, the distributions of soluble rocks and fault structures and the hydro-geological condition within the construction site, and then reasonable construction method is put forward as well. The practice of the pipeline construction shows that not only the judgement is correct, but the reasonable suggestions are also adopted for the construction.