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。
For prestressing tendons, the minimum cover of the anchorage should be provided in accordance with the appropriate European Technical Approval.
对于部分预应力混凝土高耸结构，截面刚度系数与预应力水平、外荷载及截面配筋率等很多因素有关。
For partial prestressed concrete high-rise tower structure, stiffness coefficient is independent of prestress level, ratio of reinforcement and external load effect, etc.
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