指出油管锚（油管张力锚除外）不仅可以控制管柱的伸缩，而且可以改善管柱的受力状况，延长油管的使用寿命。
The author pointed out that tubing anchor can not only control the tubing flex , but also improves force status , prolong the using life of tubing strings .
为桩锚支护结构施工进程中受力变形的设计计算和过程控制提供了动态计算模型。
What we have done here provides developing calculation model for the force-deformation calculation and process control of PARS during construction.
因此，了解土层锚杆受力机理对目前锚杆设计水平和减少工程事故及降低工程造价具有指导意义。
Therefore, understanding the forced mechanism of soil anchor bolting to design competence, reduce project accident and reduce project cost has directive significance at present.
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