某水库泄洪洞临时堵头封堵施工方案

Construction Scheme of Temporary Plug Plugging for Spillway Tunnel of a Reservoir

结合水库除险加固实际情况,对泄洪洞临时堵头封堵施工技术展开研究。制定的施工工序主要包括施工准备、作业面清理、浆砌石砌筑、C20混凝土浇筑、回填灌浆、聚氨酯砂浆封堵6步。实际施工环节,应当严格根据施工工艺的各项要求完成施工作业,力求保障每个工序的施工质量,从而保障最终的施工效果。

Based on the actual situation of reservoir hazard removal and reinforcement,the construction techonology for temporary plug plugging of the spillway tunnel is briefly analyzed.The developed construction procedures mainly include construction preparation,site clearance,masonry construction with mortar,pouring of C20 concrete,backfill grouting,and sealing with polyurethane mortar,totaling six steps.During the construction process,construction shall be carried out in strict accordance with the requirements of construction technology to ensure the construction quality of each process,so as to ensure the final construction effect.