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一、树根桩概述树根桩是一种小型钻孔灌注桩。先用钻机钻孔,同时清除孔内的土,到达预定深度后,插入钢筋笼,浇捣混凝土;或者先下钢筋笼并填骨料,再通过管子压力灌注水泥浆或水泥砂浆也可以,这种方法称为升浆法。这种桩用于地基加固时,通常是一系列不同倾斜度的桩束,有些象树根,故名树根桩;根据同样的原理和方法,也可以用锚杆加固古老的砖石结构(见图1)。
First, the root pile Overview Tree root pile is a small bored pile. First drilling with a drill, while removing the soil inside the hole, after reaching a predetermined depth, insert a steel cage, pouring concrete; or first under the reinforcement cage and fill the aggregate, and then through the pipe pressure infusion of cement slurry or cement mortar can also be, This method is called lift-up method. When these piles are used for ground reinforcement, they are usually a series of piles with different inclinations, some of them are roots of trees, so they are root piles; according to the same principles and methods, they can also be used to reinforce ancient masonry structures ( see picture 1).