Shear properties in the plane of the panel ( interlaminar shear ) duplicate the kind of shear stress encountered in such glued structural assemblies as structural sandwiches and adjacent to gluelines between flanges and webs in box - beams and i - beams and gusset plates in trusses 面板平面的剪切特性(层间剪切) ,与夹层结构这类粘合组件,以及箱形梁、工字梁凸缘与腹板间的焊接层和桁架加固板附近位置所受的剪切应力类型相同。