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| JC 448-1991(1996) (English Version) |
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Detail of JC 448-1991(1996)
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Introduction of JC 448-1991(1996)
本标准规定了钢筋混凝土井管的产品分类，技术要求，试验方法，检验规则，标志，堆放和运输等。
本标准适用于工农业及民用供水和排水管井用的离心与悬辊成型的钢筋混凝土井管（以下简称井管）。
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。
Contents of JC 448-1991(1996)