BS EN ISO 21809-5-2010 石油和天然气工业.管道运输系统用埋设或水下管道用外部涂层.外部混凝土涂层

标准号：BS EN ISO 21809-5-2010
中文标准名称：石油和天然气工业.管道运输系统用埋设或水下管道用外部涂层.外部混凝土涂层
英文标准名称：Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - External concrete coatings
标准类型：E98
发布日期：2010/4/30 12:00:00
实施日期：2010/4/30 12:00:00
中国标准分类号：E98
国际标准分类号：75.200
适用范围：This part of ISO 21809 specifies the requirements for qualification, application, testing and handling ofmaterials required for the application of reinforced concrete coating externally to either bare pipe or pre-coatedpipe for use in pipeline transportation systems for the petroleum and natural gas industries as defined inISO 13623.The external application of concrete is primarily used for the negative buoyancy of pipes used in buried orsubmerged pipeline systems and/or for the mechanical protection of the pipe and its pre-coating.This part of ISO 21809 is applicable to concrete thicknesses of 25 mm or greater.