This paper analyzes the causes and treatment of the torsional displacement and plane rotational displacement of curved continuous concrete beam bridge basing on an engineering example.
通过一个混凝土弯连续梁桥梁体出现较大扭转位移与平面转动位移的工程实例，分析其出现的原因及处理措施。
2
Through the sand pill on the workpiece surface, eliminating stress, increase the surface strength, such as spring, machining tool and workpiece surface treatment such as plane blade.
通过砂丸敲击工件表面，消除应力，增加工件表面强度，如弹簧、机加工刀具和飞机叶片等工件的表面处理。
3
The plane FEM was used for analysing the displacements and stresses in the dam and the dam foundation before and after dam foundation treatment.