由于系统锚杆作用的被动性和边坡岩体变形的非均匀性，使得不同位置的锚件的应力出现较大的差别。
Because of the passivity action of systematic bolts and the heterogeneity of rock mass deforming, systematic bolts have different stress in different position.
从数值模拟入手，采用大型有限元软件A NSYS研究了不同尺寸、不同位置的咬边缺陷对压力管道焊接接头应力集中系数的影响。
This paper researches the effects of undercut defect on stress concentration in welding joint of pressure pipe by means of the finite element method software ANSYS.
得出排土场边坡在地震作用下不同位置质点的位移和加速度响应特征，对边坡工程的动力分析具有参考意义。
As a result, the characteristic of displacement and acceleration response of different points in the dump slide are defined, which can be reference to the slope engineering dynamic analysis.
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