顶管法施工是一种现代化的管道敷设施工方法。随着城市的发展,用水量不断增长,输水管道的直径也越来越大,为了减少对地面建筑物的破坏和拆迁费用,长距离顶管越来越显示出它的优越性,同时,从减少地面障碍物的动迁费用来看,其经济效果也不亚于开槽施工。但在东北地区长距离直顶 Pipe jacking construction is a modern pipeline laying construction methods. With the development of the city, the water consumption is increasing and the diameter of the water pipe is also getting larger and larger. In order to reduce the damage to the ground buildings and the cost of demolition, the long distance pipe jacking more and more shows its superiority. At the same time, In terms of reducing the relocation costs of ground obstructions, its economic effect is no less than that of slotted construction. But in the northeast long straight top