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为了解决大吨位预应力混凝土中预应力筋的锚固、连接技术问题,交通部行业联合科技攻关组(湖南)研究设计成功一种HM21群锚。文章介绍了这种群锚的结构、用途及其性能特点,产品试验结果,推广应用效果。
In order to solve the problems of anchorage and connection technology of prestressed tendons in large-tonnage prestressed concrete, the Ministry of Communications’ Joint Scientific and Technical Research Group (Hunan) has researched and designed an HM21 group anchor. The article introduces the structure, use and performance characteristics of this group of anchors, the results of product testing, and the results of popularization and application.