薄带折叠在某些情况下，创造极端的带材的横向弯曲，也对关节施加的相应负载。
Thin belt may in some cases fold over, creating extreme lateral bends in the belt material and exerting the consequential loads also on the joint.
对箱形桁材的四点弯曲试验的分析表明与试验数据吻合良好。
The analysis of a four-point bending test of box girder specimens shows favourable agreement with experimental data.
通过实验研究，分析了两种不同性能材料空心球在作为夹芯梁芯材时，梁弯曲的载荷-位移曲线的特点，另外对于结构的破坏进行了简单的力学分析。
Then we discuss the characteristics of the force-displacement curve of the sandwich beam, and finally give a simple mechanical analysis on the failure of the structures.
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