JC/T 448-2011 in English

本标准规定了钢筋混凝土井管的分类、原材料、构造要求、要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于供水和排水管井用的离心、悬辊或其他成型工艺制作的钢筋混凝土井管。管井所处的水文地质环境和应用环境对钢筋混凝土井管应无腐蚀作用，当工作环境对钢筋混凝土井管有腐蚀性时，应采取防护措施，方可使用。

Scope

This standard specifies the classification, raw materials, structural requirements, requirements, test methods, inspection rules, marking, packaging, transportation and storage of reinforced concrete well pipes (hereinafter referred to as well pipes). This standard applies to reinforced concrete well pipes made by centrifugal, suspended roller or other forming processes for water supply and drainage pipe wells. The hydrogeological environment and application environment where the tube well is located should have no corrosive effect on the reinforced concrete well pipe. When the working environment is corrosive to the reinforced concrete well pipe, protective measures should be taken before use.