標(biāo)準(zhǔn)號(hào)：SIS SS-EN 74-1991
中文標(biāo)準(zhǔn)名稱(chēng)：用于工作棚架和腳手架鋼管制成的車(chē)鉤，松閥門(mén)和底板．要求和測(cè)試程序
英文標(biāo)準(zhǔn)名稱(chēng)：Couplers, loose spigots and baseplates for usein working scaffolds and falsework ma- de of steel tubes — Requirements and test procedures
發(fā)布日期：1991/4/24 12:00:00
實(shí)施日期：1999/12/31 12:00:00
適用范圍：This European Standard specifies the requirements for materials and design, and test procedures and methods, for couplers, loose spigots and base-plates used for connecting steel tubes of 48,3 mm outside diameter and of at least 3,2 mm nominal wall thickness at a minimum in the construction of working scaffolds and falsework required for the construction, maintenance, repair and demolition of buildings and structures.The requirements and test procedures specified are for the assessment of prototypes1> of these couplers, loose spigots and base-plates2).When no alteration has been made to the design, material or surface treatment of a type of coupler which has been approved as a prototype according to this European Standard, the assessment of subsequent production is made by comparison with the requirements given in this European Standard.