crane girder 吊车梁 ; 起重机梁 ; 起重机行车大梁
overhead crane girder 桥式吊车梁
Steel crane girder 钢吊车梁
design of steel crane girder 钢吊车梁设计
rock-bolt crane girder 岩壁吊车梁 ; 岩锚梁
cable crane girder 缆索起重机大梁
crane girder system 吊车梁系统
If the increment can't be calculated, the initial pretension won't be known. Moreover, the prestress strengthening analysis of steel crane girder isn't provided in present material.
若不计算出这一效应增量，初始预应力就无法计算，况且在目前的所有规范和参考资料中，无一谈及钢吊车梁的加固验算公式。
参考来源 - 钢吊车梁的校核分析及预应力加固研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally, it presents some advice and Suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane-girder in the high-frequency.
最后就重级工作制钢吊车梁上部区域出现疲劳裂缝的修复与加固方案提出了一些意见和建议。
The working performance and stability of the rock bolt crane girder has always being an important problem in project design and construction.
岩锚吊车梁在施工及运行期的工作性态和稳定性是工程设计和施工中所关注的主要问题之一。
Based on this, the stability of the surrounding rock mass and the rock wall crane girder is evaluated.
在此基础上，对洞室围岩及岩壁吊车梁的稳定性进行了评价。
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