1, mainly for the corrugated steel culvert hole lateral soil corrosion, inside is mainly water corrosion and atmospheric corrosion, corrosion and corrosion protection of water and soil.
2, in the design stage, material selection should fully occupy all kinds of material information, data and corrosion characteristics in a particular medium, and make full use of effective work experience and procedures.
3, should follow the principle of combining prevention and protection of corrosion design, according to the media in the production process of corrosive and environmental conditions, production and operation management and maintenance of construction conditions, selection of corrosion prevention measures.
4, Parts that are difficult to maintain, as well as important load-bearing structures and components, shall be strengthened.
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