自胀整体移升式井壁模板设计与施工技术

河北省水利工程局承建的唐河倒虹吸出口排水井工程，施工过程中采用先进的自胀整体移升式井壁模板施工技术，有效解决了现浇混凝土井壁模板、接缝多、错台、拆装等难题，使井壁混凝土顺畅平滑，提高了井壁混凝土施工质量和工效，取得了良好的经济效益。所完成工程项目先后经过国家水利专家组及国调办稽查组质量检查，未发现工程质量缺陷，一致认为该工程项目施工技术、管理到位、质量优良。

Design and Construction Technique of Auto-Expansion Integral Movable Well Wall Formwork

In the inverted siphon of the Tanghe River, we have applied auto-expansion integral movable well wall formwork to solve effectively the problems as poured-in-place concrete well wall formwork, too many joints, wrong set and dismantling, which make the well wall concrete smooth, raise the quality and the work effect of the well wall concrete and obtain a good economic performance.