在一组长，内装公斤块石的铅丝笼横梁上部，加上公斤的荷重，在外荷作用下，梁的中部虽然发生弯曲变形，但铅丝笼梁却始终未断裂破坏。

In a leader, installed in the upper crossbeam gabion stone kg, plus kg load under the action of external load, while the central beam bending deformation, but the wire cage has not broken beam.

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结果表明：在焊缝区域内存在着局部未熔区以及铸造疏松组织和二次裂纹等缺陷，这是导致试样低应力断裂的根本原因。

The results show that the partial unmelted region, casting defect structure and secondary crack form in the welding seam, which result in the low stress breakage of the samples.

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