Dynamic response of a reinforced concrete beam on a viscoelastic foundation under low velocity impact

SONG Chun-ming; ZHAO Yue-tang; DENG Yong-hong

doi:10.16285/j.rsm.2005.s1.068

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Dynamic response of a reinforced concrete beam on a viscoelastic foundation under low velocity impact

更新时间：2026-06-25

- Dynamic response of a reinforced concrete beam on a viscoelastic foundation under low velocity impact
- Issue S1, Pages: 287-291(2005)
- 作者机构：
  
  1. 解放军理工大学工程兵工程学院
  2. 解放军理工大学工程兵工程学院,南京,21007
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2005.s1.068
  CLC： TU375.1
- Published：2005
- 稿件说明：
移动端阅览
[1]宋春明,赵跃堂,邓永红.钢筋混凝土梁在低速撞击下的动力响应[J].岩土力学,2005(S1):287-291.

SONG Chun-ming, ZHAO Yue-tang, DENG Yong-hong. Dynamic response of a reinforced concrete beam on a viscoelastic foundation under low velocity impact[J]. 2005, (S1): 287-291.
[1]宋春明,赵跃堂,邓永红.钢筋混凝土梁在低速撞击下的动力响应[J].岩土力学,2005(S1):287-291. DOI： 10.16285/j.rsm.2005.s1.068.

SONG Chun-ming, ZHAO Yue-tang, DENG Yong-hong. Dynamic response of a reinforced concrete beam on a viscoelastic foundation under low velocity impact[J]. 2005, (S1): 287-291. DOI： 10.16285/j.rsm.2005.s1.068.

摘要

研究分析了在半无限粘弹性Winkler地基上的钢筋混凝土梁受低速刚性体撞击的塑性动力响应问题。认为低速撞击下梁的计算必须考虑撞击时局部损伤的影响

研究梁结构整体破坏

从而建立了局部损伤和整体变形的关系式

推导出了钢筋混凝土梁在低速中心撞击时弹塑性阶段撞击力和撞击处的横向位移的计算公式。

Abstract

The dynamic plastic response of a simply supported RC beam on a semi-infinite viscoelastic Winkler foundation under low velocity impact is investigated. In calculating RC beam subjected to low velocity impact

the effect of local damage must be taken into account when the integral bending deformation is analyzed. The relationship between local damage and integral bending deformation is established; and the calculating formulae for the elastoplastic impact force and dynamic transverse deflection of the beam have been deduced for low velocity impact at the midpoint of beam.

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