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1·Use optimized computer design box type girder as main support grider.

△以计算机优化设计的箱形梁作为主承载梁。

2·Therefore for crane grider and crossbeam, have met new problem that how to calculate internal force of the beam while meeting the wide bearing.

因而对轨道梁或横梁而言，就遇到了宽支座时梁内力如何计算的新问题。

3·In view of gate design in commonly adopt design method of plane system, the width of miter gate plate which participative working of the grider or beam is analyzed.

针对闸门设计中常用的平面体系计算方法，分析了人字门钢面板参加主(次)梁工作的有效宽度。

4·Next, it summarizes the method of setting up flexible sugarcane, and analyses the finite element method of mechanical system containing flexible grider theoretically.

其次，研究了柔性化甘蔗的建立方法并选择适于研究甘蔗收割机的方法，并从理论上分析含柔性梁机械系统的有限段方法。

5·This paper analyses the speciality of the internal force and deflection in point of concrete continuous skew support curved grider bridge, gives its load test plan, way and results.

结合一连续斜弯梁桥实桥试验结果，分析了此种桥型的受力特点、变形特点，给出了试验方案、方法及试验成果。

6·This paper introduces the characteristics, the common theoretical analysis methods, test achievements and research status of PC channel grider, its application prospect is also introduced.

文章介绍了槽形梁的特点、常用的几种理论分析方法、试验研究成果及应用现状，并对今后的应用前景进行了探讨。