It seems reasonable in practice to increase the safety margin of unbonded members by 15% in comparison with the bonded prestressed concrete bending members.
工程设计实践中将无粘结预应力混凝土梁的安全贮备比有粘结预应力的计算结果提高15%有一定的合理性。
As compared to design codes of practice in developed countries, the safety margin of structural members set in the Chinese Building Code for Concrete Structures is rather low.
我国混凝土结构设计规范的安全设置水准与国际通用标准之间存在着相当大的差距。
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