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非开挖埋管施工技术由于具有不影响交通、对周边环境污染小、施工周期短、综合成本低等显著优点,于20世纪80年代中期已在国外广泛运用,在我国目前则处于起步阶段。 非开挖埋管通常可分为导向钻进、定向钻进、微型隧道挺进、冲击矛、夯管法和顶管等6种施工技术,它可用来铺设、更换、修复各种直径和各种距离的地
Because of its significant advantages of not affecting traffic, less polluting surrounding environment, short construction period and low comprehensive cost, trenchless pipe construction technology has been widely used abroad in the mid-1980s and is currently in its infancy in our country. Non-digging can be divided into 6 kinds of construction techniques, such as directional drilling, directional drilling, miniature tunneling, impact spear, rammer pipe laying and pipe jacking. It can be used to lay, change and repair various diameters and various Distance to the ground