安装时先安装预应力拉杆副，然后施加预应力，最后安装抗剪键。
When in installation, the prestressed pull rod pairs are firstly installed, then the prestress is applied, and the shear keys are finally installed.
文中介绍了预应力钢筒混凝土管道的装卸、运输、堆放和辅设安装的施工工艺。
In this paper, the author introduces the construction technology of PCCP (prestressed cylinder concrete pipe) in the course of its handling, transporting, stacking, placing and installing.
文中着重介绍一种新型伸缩缝——预应力弹性胶管伸缩缝的构造、制作与安装以及试验和使用情况。
It also presents a new type of prestressed elastic neoprene tube expansion joint used in highway decks.
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