The collapse test shows that the breakdown occurred on the upper portion the derrick.
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2. 截顶圆锥壳的破坏过程是一个从屈曲破坏直至压溃的过程。
The destroyed process of the truncated conical shell is from buckling to collapse.
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3. 在船舶碰撞和搁浅中，薄壁结构在轴向压力条件下的压溃破坏是一种重要的破坏模式。
During the ship collision and grounding, the crushing collapse of thin-walled structure subjected to compressive load is one of the important failure modes.
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4. 机械性能的变化趋势是：密度增加，含油率下降，布氏硬度增加，而压溃强度先降低后增加。
Development tendency of mechanical properties is: density increase oil content ratio decreases, Brinall hardness increases, crushing strength goes down first and then goes up.
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5. 分析铝电解多功能天车轨道接头局部压溃的原因，介绍采用手工堆焊工艺修复方案之全过程。
The paper analyzes the reason for the rail connection squished and recommends the process of restoring the track applying the built-up welding technology.
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6. 本文用非线性有限元方法研究了准静态条件下纵向和横向加强筋对加筋方形管压溃破坏的影响。
The effects of longitudinal and transverse stiffeners on quasi-static crushing of stiffened square tubes are studied with the nonlinear finite element method.
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7. 竹子在切片前先通过一对压榨辊使竹子在进入切片机前被压溃，竹片的筛选和木片筛选几乎一样。
Bamboo is handled by chippers equipped with a pair of press rolls to crush them before being chipped. Bamboo chips are screened in almost the same ways as wood chips.
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8. 基于验证的有限元模型，研究薄弱环节设置、复合材料纤维铺层角度对其轴向压溃吸能特性的影响。
The influences of triggers and composite ply angles on energy-absorbing characteristics of aluminum-composite hybrid tubes were studied based on the verified models.
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9. 分别利用塑性铰理论和压溃理讨论了强度计算问题，提出了强度承载能力计算公式和压溃荷载计算方法。
With the help of plastic hinge theory and collapse theory, the formulas for calculating strength failure load and the method for computing collapse load were established respectively.
The horizontal annular and vertical crack of the high buildings, along with the horizontal crack and the crush of RC column can be due to the vertical seismic component action.
Because of axis line deflection and asymmetric load distribution of rotary kiln, the support parts may break, spall, or erode due to the induced overlarge contact stresses.
To ensure the security of this joint, interracial sliding of the joint, tensile failure of the bolts and extruding failure of the interfaces must be prevented.
The long-term existing theory of wood collapse which was thought to be caused by "negative pressure" resulted from capillary tension in the water capillaries was called in question.
Considering the requirements of riser strength, system collapse, propagated buckling and limitation of floating, the smallest thickness that meets the requirements is determined.
Considering the requirements of riser strength, system collapse, propagated buckling and limitation of floating, the smallest thickness that meets the requirements is determined.
