For the local buckling failure of brace tube in tubular K-joint experiment, the concept and principle of welding thermo-harm is presented.
针对相贯节点试验中支管屈曲的破坏形式，提出了焊接热损伤的概念和机理。
The failure of directly buried heat-supply pipeline is discussed, and the design essentials are put forward in accordance with local buckling and ovalization deformation.
探讨了直埋供热管道的失效，针对局部失稳和椭圆化变形，提出了设计要点。
The modes of local buckling and general failure for honeycomb sandwich plates under pure bending loads are studied through four-point bending tests.
本文通过四点弯曲试验研究了含脱层的蜂窝夹芯板在纯弯载荷作用下的局部屈曲模式和破坏模式，指出局部屈曲模式是跳跃失稳模式。
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