Secondly , protective layer thickness is too thin to protect concrete reinforced bar and reduce durability.
保护层厚度不够导致钢筋外露引起锈蚀，降低了桥梁的耐久性；
The calculation method about the minimum lining thickness of concrete protective layer is given in the cold region.
提出了寒区混凝土防护层渠道最低衬砌厚度的计算方法。
The protective layer of the side wall waterproof layer and waterproof layer should be closely combined, the thickness of the protective layer shall comply with the design requirements.
侧墙卷材屋顶防水层的保护层与屋顶防水层应结合紧密、保护层厚度应吻合设计要求。
The analysis of the experimental results shows that the desirable thickness of metallic protective layer can be obtained by this method, and the temperature sensitivity is improved too.
通过对实验结果的分析，表明这种方法不仅可以获得厚度理想的金属保护层，同时可以提高光纤光栅的温度灵敏度。
The influence of abr diameter is stronger than the thickness of concrete protective covering layer.
同时钢筋直径对钢筋锈胀力的影响程度要大于混凝土保护层厚度的影响。
The influence of abr diameter is stronger than the thickness of concrete protective covering layer.
同时钢筋直径对钢筋锈胀力的影响程度要大于混凝土保护层厚度的影响。
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