The objective of this work is to determine the influence of the roughness of the laminas on the shear stress and sliding modulus of a bamboo–bamboo glued bond. Six types of surface treatments were made on bamboo laminas. For each surface treatment the surface roughness, the rupture shear stress, and the sliding modulus were obtained. It was concluded that to obtain a GluBam beam with high performance, a surface treatment with a roughness index around 1.85 is required. However, for conventional GluBam beams, the surface of the laminas may be only machined, with a roughness index of around 4.60.

中文翻译：

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GluBam梁：竹薄片的粗糙度对粘结点的剪切应力和滑动模量的影响

这项工作的目的是确定薄层的粗糙度对竹-竹胶粘剂的剪切应力和滑动模量的影响。在竹薄板上进行了六种类型的表面处理。对于每种表面处理，都获得了表面粗糙度，断裂剪切应力和滑动模量。结论是，要获得高性能的GluBam光束，需要进行粗糙度指数约为1.85的表面处理。但是，对于常规的GluBam梁，可以仅加工薄片的表面，其粗糙度指数约为4.60。