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Assessing Damage of a Reinforced Concrete Structural Element using System Identification

机译：使用系统识别评估钢筋混凝土结构构件的损坏

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Predicting cumulative damage to reinforced concrete (RC) walls from multiple weapondetonations is complicated by the fact that the strength of a wall damaged by a first weapon isless quantifiable than for an undamaged wall. In the past, subscale experiments were conductedto investigate and provide data for predicting RC wall response and damage from a singleweapon detonation. ERDC has developed and executed a research program to provide data forpredicting RC wall response and damage from multiple weapon detonations. Testing under thiseffort involved performing a combination of modal and follow-on explosive testing on previouslydamaged RC walls. High-performance numerical simulations were also performed to support theexperiments. The paper will focus on results of one selected cumulative damage experiment.
机译：预测多种武器对钢筋混凝土（RC）墙的累积损坏 由于第一个武器损坏的墙的强度是 比没有损坏的墙更难以量化。过去，进行过小规模实验 研究并提供数据来预测单个RC壁的响应和损伤 武器起爆。 ERDC已制定并执行了一项研究计划，以为 预测RC墙的反应和多种武器引爆造成的破坏。在此下测试 努力包括对先前的模态和后续爆炸测试进行组合 钢筋混凝土墙损坏。还执行了高性能数值模拟，以支持 实验。本文将重点介绍一项选定的累积损伤实验的结果。

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