泵、轴承座、电动机的基础地脚螺栓是否松动；
Pumps, bearing blocks, motor loose Whether or not the foundation anchor bolts;
有地下室工程的塔吊基础还要采取特别的处理措施：如在基础下打桩，并将桩端的钢筋与基础地脚螺栓牢固的焊接在一起。
A tower crane foundation basement project should take measures in particular: such as piling in foundation, and pile reinforcement and foundation anchor bolts end firmly welded together.
因此，在用地脚螺栓将混凝土基础与塔机底架法兰盘拉紧后，由于基础不平，4个法兰盘不可能在同一平面上。
Therefore, in the concrete foundation with anchor bolts and tighten the flange crane chassis, because the foundation is uneven, 4 flange may not be in the same plane.
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