枕梁,属于桥梁的一部分,在桥头搭板远离桥台,靠路基一侧。 桥梁和道路连接的地方都要放搭板,主要是为了防止桥梁与道路的不均匀沉降以后,产生的桥头跳车。在软土地区作用尤其明显。枕梁是放在搭板外侧的,可以理解为搭板的基础,但又不完全是。枕梁的使用,可以使搭板与道路连接更加顺畅。
试验结果表明,无中梁罐车存在枕梁腹板与牵引梁立焊缝裂纹及枕梁腹板与枕梁上盖板之间的裂纹。
The result shows some cracks appearing on vertical weld connecting web plate of body bolster and draft sill as well as the part between web plate of body bolster and top cover plate.
分析中包括了搭板的几何尺寸、材料因素、地基非均匀、枕梁及沥青加铺层对搭板弯拉应力及变形的影响。
The influence of geometric size, material properties of the slabs, inhomogeneous subgrade, sleeper beam and bituminous overlay on the bending stresses and deflection is investigated.
本文假定跨区间无缝线路中的无缝道岔为一结构体系,岔枕为连续弹性基础上的有限长梁。
This paper assumes that the welded turnout in the continuously welded rail track is a structural system, and the railway tie in the welded turnout is a beam on the continuously elastic foundation.
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