双向预应力倒虹吸施工技术

Constructing technique of double direction pre-stressed inverted siphon

结合工程实例,分析了双向预应力倒虹吸施工技术的特点,对倒虹吸施工中管身段混凝土入仓方式的选择、模板及支撑的选择、钢筋工程、止水带及预应力施工、混凝土浇筑等技术要点作了总结。

Combining with engineering practice, it analyzes the characteristic of double direction pre-stressed inverted siphon constructing technique, summarizes technical points of choosing the way of tube body concrete entering into granary, choosing template and support, steel beam engineering, stopping water girdle and pre-stressed construction, concrete pouring, etc.