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介绍一种预制排渣桩头,该桩头已申请中国专利。利用该预制排渣桩头能有效清除与收集钻孔灌注桩成孔、成桩时孔壁坠落泥片、清渣后残留的泥浆以及下钢筋笼时孔壁坠落的碎渣等。因而,有效减少孔底沉渣,使桩端的承载力得以发挥,尤其当桩端有较好持力层可利用时,可有效提高基桩承载力。是一种适用于软土地基的机械钻孔灌注桩,包括直接取土简易机械钻孔桩。
Describes a prefabricated slag pile head, the pile head has applied for Chinese patent. Utilizing the prefabricated slag-discharging pile head can effectively remove and collect the holes of the cast-in-place bored pile, the falling mud pieces of the hole wall when the pile is made into a pile, the mud left after the slag removal, and the slag falling from the hole wall when the steel reinforcing cage is lowered. Therefore, effectively reducing the bottom sediment, so that the bearing capacity of the pile tip can be played, especially when the pile end has a better holding layer available, which can effectively improve the pile bearing capacity. It is a kind of mechanical bored pile that is suitable for soft soil foundation, including simple mechanical bored pile directly taking soil.