...
首页> 外文期刊>Magazine of Concrete Research >Modelling strain penetration effects in RC walls with smooth steel bars
【24h】

Modelling strain penetration effects in RC walls with smooth steel bars

机译:用光滑钢筋模拟RC壁的应变渗透效应

获取原文
获取原文并翻译 | 示例
           

摘要

Reinforced-concrete (RC) dual wall-frame structures comprise an important proportion of the building stock in some European cities. However, many were constructed without seismic provisions and it is therefore important to assess their ability to withstand seismic events and to define strategies to reduce their potential vulnerability. This work focuses on the numerical simulation of the seismic behaviour of RC walls making use of fibre-based non-linear beam elements. Even though it is common to assume perfect bond between reinforcing bars and concrete, the relative bond-slip deformations between the two materials can contribute up to 40% of the total lateral deformation of columns when ribbed rebars are used and up to 90% in the case of smooth rebars. The aim of this paper is to provide a contribution towards understanding the importance of these effects in old RC walls and to provide indications regarding the use of a simplified bond-slip model.
机译:钢筋混凝土(RC)双壁框架结构包括一些欧洲城市的建筑物股票的重要比例。然而,许多人在没有地震规定的情况下建造,因此评估他们承受地震事件的能力并确定策略以减少其潜在脆弱性的能力是重要的。这项工作侧重于RC壁的抗震性能利用基于纤维的非线性梁元件的数值模拟。即使在加固杆和混凝土之间承担完美的粘合,当使用罗纹钢筋时,两种材料之间的相对粘结变形可以有助于柱子的全侧变形的高达40%的横向变形,并且在平滑钢筋的案例。本文的目的是为了解在旧的RC墙壁中了解这些影响的重要性,并为使用简化的粘合模型提供指示。

著录项

  • 来源
    《Magazine of Concrete Research》 |2019年第18期|894-906|共13页
  • 作者单位

    Univ Lisbon Inst Super Tecn Dept Civil Engn Architecture & Georesources CERIS Lisbon Portugal;

    Univ Lisbon Inst Super Tecn Dept Civil Engn Architecture & Georesources CERIS Lisbon Portugal;

    Natl Lab Civil Engn LNEC Lisbon Portugal;

    Natl Lab Civil Engn LNEC Lisbon Portugal;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    anchors anchorages; bond; modelling;

    机译:锚和锚地;债券;建模;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号