本powerpoint演示文稿概述了使用柔性约束连接球墨铸铁管的非开挖应用，包括管道爆破和水平定向钻井（HDD）。概述了柔性约束球墨铸铁管的性能特点，包括:接合和重新分配施加的载荷；性能优势；爆管；可选的墨盒组装方法；钻孔半径；预扩孔；接合接合；以及行业里程碑。

This powerpoint presentation outlines information on trenchless applications that utilize flexible restrained joint ductile iron pipe, including pipe bursting and horizontal directional drilling (HDD). Performance characteristics of flexible restrained joint ductile iron pipe are outlined, including: articulating and re-distributing the applied loads; performance advantages; pipe bursting; optional cartridge assembly method; borepath radii; pre-reaming; joint bonding; and, industry milestones.