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组钉板是一种用来防止木材开裂和作为木结构连接的有效金属扣件。60年代初国外已广为使用。成都铁路局科研所参考国外广告信息,在可供借监的有限资料情况下,几经反复,研制成功了ZD_1,ZD_2和ZD_3型组钉板。1986年,四川省科委正式列题,责成成都跌路局科研所对组钉板用于木结构连接进行试验研究,在中国建筑西南设计院,四川省建筑科研院,四川省建筑总公司,西南交通大学等单位的大力协助下,完成了任务,于1989年4月7～8日在成都通过了省级鉴定。
Group nail plate is a kind of effective metal fastener used to prevent wood cracking and connecting as wood structure. The early 1960s has been widely used abroad. Chengdu Railway Bureau of scientific research reference to foreign advertising information, in the limited data available for interrogation case, after repeated, successfully developed ZD_1, ZD_2 and ZD_3 group nail plate. In 1986, Sichuan Science and Technology Commission formally listed the subject, Chengdu Crimping Bureau instructed scientific research institutes on the group of nail plate for the connection of wood structure for experimental research, construction in China Southwestern Design Institute, Sichuan Provincial Building Research Institute, Sichuan Construction Corporation, Southwest Jiaotong University and other units with the strong assistance, completed the task, in April 1989 April 7 to 8 in Chengdu passed the provincial appraisal.