某30m跨预应力混凝土折线形屋架迭层施工技术

Laminated Construction Technology of 30m Span Prestressed Mansard Roof Truss

本文针对预应力混凝土折线形屋架施工难点,改进了预应力混凝土折线形屋架迭层施工技术,对预应力混凝土折线形屋架施工过程中的模板安装及加固、预埋件预埋、混凝土施工、预应力钢绞线张拉、灌浆等方面做了详细的阐述。经过工程实践,采用该施工技术获得了良好的效果。

Aimed at the difficulties of laminated construction of 30 m span prestressed mansard roof truss,construction technology was improved,the template installation and reinforcement,embedded parts settling,concrete casting,prestressed steel strand tension and grouting were elaborated. It is proved by the engineering practice that the construction technology has obtained the good effect.