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Vulnerability and resilience under effects of tsunamis: case of industrial plants

机译：海啸影响下的脆弱性和恢复力：工业厂房案例

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The damages caused by natural or technological hazards to physical systems may generate disastrous situations. However, the damaged systems can adapt, recover and be restored or strengthened in given acceptable recovery period for resilient systems. The metrics to evaluate objectively the resilience are still to be developed for several systems such as industrial plants, for instance. In fact, the resilience is intimately depending on both expected damages level and adaptation measures. The mechanical vulnerability is therefore an influent governing parameter. The present paper focuses on the case of industrial tanks and their mechanical vulnerability under tsunamis' effect. The resilience of coastal industrial plants is implicitly investigated by running sensitivity analysis: Since tsunamis may cause structural failure of the tanks. Several modes of damages are considered, i.e. uplift by buoyancy, rigid overturning, rupture of anchorages or rigid sliding effect, and excessive stress by bending or buckling. For a wide range of tanks dimensions and filling ratios, the vulnerability and fragility curves are developed and discussed.
机译：天然或技术危害对物理系统引起的损害可能会产生灾难性情况。然而，在给定可接受的恢复期中，损坏的系统可以适应，恢复和恢复或加强适用于弹性系统。客观地评估标准的指标仍然是为工业设备等几个系统开发的恢复力。事实上，恢复力根据预期的损害水平和适应措施密切相关。因此，机械脆弱性是一种有影响的参数。本文重点介绍了工业坦克的案例及其在海啸效应下的机械脆弱性。通过运行敏感性分析，隐式研究了沿海工厂的抵御能力：由于海啸可能导致坦克的结构失败。考虑了几种损坏模式，即通过浮力，刚性倾覆，锚固破裂或刚性滑动效果的升高，以及通过弯曲或弯曲的过度应力。对于各种罐尺寸和填充率，开发并讨论了脆弱性和脆弱曲线。

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