c412m-94中文版-混凝土排水瓦管的标准规范【米制】.docVIP

C 412M PAGE 238 Designation: C 412M – 94编号: C 412M – 94 METRIC米制 PAGE 236 Standard Specification for Concrete Drain Tile [Metric] This specification is under the jurisdiction of ASTM Committee C-13 on Concrete Pipe and is the direct responsibility of Subcommittee C 13.01 on Nonreinforced Concrete Sewer, Drain, and Irrigation Pipe.该标准规范归ASTM负责混凝土管的C-13委员会管辖，并由负责非钢筋混凝土污水管、排水管和灌溉管的C13.01小组委员会直接负责。 This specification is under the jurisdiction of ASTM Committee C-13 on Concrete Pipe and is the direct responsibility of Subcommittee C 13.01 on Nonreinforced Concrete Sewer, Drain, and Irrigation Pipe.该标准规范归ASTM负责混凝土管的C-13委员会管辖，并由负责非钢筋混凝土污水管、排水管和灌溉管的C13.01小组委员会直接负责。Current edition approved July 15, 1994. Published September 1994. Originally published as C 412M - 80 T. Last previous edition C 412M - 90.现行版本于1994年7月15日批准，并于1994年9月出版。最初版本编号为C412M-80T，上一版本编号为C 412M-90。 This standard is issued under the fixed designation C 412M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (ε) indicates an editorial change since the last revision or reapproval.本标准以固定编号C412M刊发；紧随编号后的数字表示最初采用的年份，或者是修订版的最后修订年份。圆括号中的数字表示必威体育精装版重新批准的年份。上标(ε)表示自上一修订版或重新批准后的编辑性修改。 This standard has been approved for use by agencies of the Department of Defense. Consult the DoD Index of Specifications and Standards for the specific year of issue which has been adopted by the Department of Defense.该标准已经批准被美国国防部机构使用。已被美国国防部采用的该标准出版的具体年份可以查看美国国防部技术和标准索引。 1. Scope适用范围 This specification covers concrete drain tile with internal diameters from 100 to 900 mm, that are intended to be used for surface and subsurface drainage. 本规范包括内径为100至900毫米的混凝土排水瓦管，用于地面排水和地下排水。 This specification is the metric counterpart of Specification C 412.本规范是标准规范C412的对应米制标准。 Note 1—This specification is a manufacturing and purchase specification only and does n