built up beam 组合梁
built-up beam construction 组合梁结构
T-shaped continuous built-up beam T型连续组合梁
built-up I beam 装配的I型梁
built t up beam 组合梁
Based on the built-up beam theory foundation, supplies the new coal lane anchor rod, the joint anchor cable support computation model, and concrete calculate formulas of the flat topping tunnel and arch-type tunnel respectively.
在组合梁理论的基础上提出了新的煤巷锚杆、锚索联合支护计算模型，分别给出了平顶巷道和拱型巷道的具体计算公式。
参考来源 - 枣泉煤矿大断面煤巷预应力锚固技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Deflection, the total tendency is under the similar load, along with the web plate high increase, the built-up beam rigidity is increasing, amount of deflection unceasing reducing.
对于挠度来说，总的趋势是在同样的荷载下，随着腹板高度的增加，组合梁的刚度在增加，挠度不断的降低。
In this paper a space analysis method for built-up system of arch trussed beam has been proposed.
针对拱桁梁组合体系桥梁，本文提出一种空间计算方法。
A theoretical model of CO2 laser cutting non-metal materials is built up based on energy balance equation in view of gauss beam distribution.
基于能量平衡方程，考虑高斯光束分布，建立了CO2激光切割高吸收率非金属材料的解析模型。
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