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.