提高水工钢筋混凝土结构耐久性措施探究

Study on Improving the Durability of Hydraulic Reinforced Concrete Structures

水工钢筋混凝土结构耐久性降低的原因存在于其全寿命周期的各个环节，结构设计、工程施工及工程运行过程中都可能存在降低其耐久性的因素。实践中，通常通过改善水工混凝土自身性能和延缓或阻止钢筋锈蚀两方面，提高水工钢筋混凝土结构的耐久性。在水利工程建设过程中，提高水工钢筋混凝土结构耐久性的措施各有利弊，必须依据工程实际进行严格的方案比选，然后采用一种或多种措施的组合方案，提高水工钢筋混凝土结构的耐久性。

The reason for the decrease of the durability of the reinforced concrete structure of hydraulic engineering exists in all aspects of its whole life cycle. In the process of structure design, engineering construction and engineer- ing operation, there may be factors to reduce its durability. In practice, the durability of hydraulic reinforced concrete structures is usually improved by improving the self performance of hydraulic concrete and retarding or preventing the corrosion of steel bars in two aspects. In the process of water conservancy construction, the measures to improve the durability of the reinforced concrete structure of hydraulic engineering have advantages and disadvantages. It must be selected according to the actual project and through a strict scheme. Then one or more measures are adopted to improve the durability of the reinforced concrete structure of hydraulic engineering.