该工法又称旋转挤压灌注桩成桩工法
该工法利用螺杆桩配套设备，将螺杆桩成桩工法进行调整，即可形成旋转挤压灌注桩，其成桩步骤如下：
(1)钻杆采用正向同步技术下钻，钻至桩端设计标高;
(2)钻杆采用正向旋转提钻，在提钻的同时通过钻杆内的芯管泵送混凝土，至提高地面为止;
(3)可根据需要设计配筋，采用后置式工法置入钢筋笼。
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