1·For prestressing tendons, the minimum cover of the anchorage should be provided in accordance with the appropriate European Technical Approval.
对于预应力筋，提供的锚固的保护层最小厚度必须与相关欧洲技术认可中的规定一致。
2·Provisions for concrete, reinforcement and prestressing steel are given in Section 3 or the relevant Product Standard.
混凝土，钢筋和预应力钢筋的规定见第3部分或有关产品标准。
3·P Anchorages and couplers for the prestressing system considered shall be in accordance with the relevant European Technical Approval.
预应力系统所用的锚固和连接器必须符合相关的欧洲技术认可。
4·Some ideas on improvement in prestressing process are raised according to the observation and analysis on modulus of elasticity, apparent yield limit, tensional strength and percentage elongation.
根据对弹性模量、非比例强度、抗拉强度和断裂伸长率的观察分析，提出了预应力钢丝张拉施工工艺的改进意见。
5·The prestressing duct vacuum grouting workmanship is an effective measure for improving the safety and durability of the post-tensioning concrete structures.
预应力管道真空辅助压浆工艺是提高后张预应力混凝土结构安全度和耐久性的有效措施。