客运专线隧道高性能混凝土施工控制技术

Construction Control Technology of High Strength Concrete for Tunnel of Railway Passenger Dedicated Line

研究目的:通过对原材料选择与配置、混凝土配合比设计以及施工控制技术进行研究,提出符合客运专线高性能混凝土各项技术要求的混凝土配合比,并有效控制混凝土的施工质量,使之达到客运专线验收标准的要求。研究结果:提出了原材料选择和配合比设计的控制要点,以及搅拌、运输、浇筑、振捣、养护、质量检验控制等施工过程的控制重点。

Research purposes:Through doing the researches on the selection and allocation of raw materials, design of matching ratio of concrete and control of construction,the matching ratio of high strength concrete which can satisfy the all requirements of passenger dedicated line is presented for the purpose of controlling the construction quality of concrete to make the quality meeting the acceptance standard of passenger dedicated line. Research results:The key points,such as milling,transportation,casting,maint...