...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Engineering Structures >Design of steel pipe-jacking based on buckling analysis by finite strip method
【24h】

Design of steel pipe-jacking based on buckling analysis by finite strip method

机译：基于有限条法屈曲分析的顶管设计

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In practice, the steel pipe-jacking can be regarded as a thin-walled cylindrical shell mainly subjected to jacking force in the axial direction and surrounded by the soil which is usually simplified and modeled as an elastic foundation. In this paper, the elastic buckling behavior of steel jacking pipes primarily under axial compression and with the Pasternak foundation is analyzed by the finite strip method (FSM). The elastic foundation is considered in the stiffness matrix through the strain energy, and the deformation in the longitudinal direction is simulated by the series functions in FSM. A parametric study is conducted to analyze buckling of cylindrical shells embedded in different elastic foundations. It indicates that the Pasternak foundation is more conducive to prevent buckling of cylindrical shells under axial compression. The critical length and the lower bound of buckling loads are obtained, and they offer the basis for optimal design of steel pipe-jacking. Finally, the case study combined with the buckling accident in the steel pipe-jacking event is presented. The present buckling analysis of soil-embedded cylindrical shells under axial compression provides design guidance for steel pipe-jacking construction. (C) 2016 Elsevier Ltd. All rights reserved.
机译：在实践中，钢管顶管可以看作是薄壁圆筒形壳体，主要在轴向上受到顶管力，并被土壤包围，通常将其简化并建模为弹性基础。本文通过有限条带法（FSM）分析了主要在轴向压缩下并具有Pasternak基础的顶管的弹性屈曲行为。通过应变能在刚度矩阵中考虑弹性基础，并通过FSM中的级数函数模拟纵向变形。进行了参数研究，分析了嵌入不同弹性基础中的圆柱壳的屈曲。这表明，帕斯捷尔纳克基础更有利于防止圆柱壳在轴向压缩下屈曲。获得了临界长度和屈曲载荷的下限，它们为优化钢管顶管设计提供了基础。最后，结合案例分析了钢管顶举事故中的屈曲事故。目前埋入式圆柱壳在轴向压缩下的屈曲分析为钢管顶管施工提供了设计指导。 （C）2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Engineering Structures》 |2017年第1期|139-151|共13页
  • 作者

    Zhen Liang; Qiao Pizhong; Zhong Junbin; Chen Qingyuan; Chen Jin-Jian; Wang Jian-Hua;

  • 作者单位

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China|Washington State Univ, Dept Civil & Environm Engn, Pullman, WA 99164 USA;

    Shanghai Municipal Engn Design Inst Grp Co Ltd, Shanghai 200092, Peoples R China;

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China;

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China;

  • 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

    Buckling design; Steel pipe-jacking; Cylindrical shells; Compression; Elastic foundation; Finite strips;

    机译：屈曲设计;钢管顶管;圆柱壳;压缩;弹性基础;有限条;

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