...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Advances in civil engineering >Investigation of the Axial Force Compensation and Deformation Control Effect of Servo Steel Struts in a Deep Foundation Pit Excavation in Soft Clay
【24h】

Investigation of the Axial Force Compensation and Deformation Control Effect of Servo Steel Struts in a Deep Foundation Pit Excavation in Soft Clay

机译：伺服钢支柱在软粘土中深基坑开挖中伺服钢支柱轴力补偿变形控制效应的研究

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This study presents a comparative analysis of the deformation control effect of the hydraulic servo steel struts and ordinary steel struts of a foundation pit based on the measured axial force of the steel struts, lateral wall deflection, and ground surface settlement due to pit excavation. The results indicate that ordinary steel struts installed via axial preloading exhibit a disadvantageous axial force loss with a maximum value equal to 86.7% of the axial preloading force. When compared with ordinary steel struts, the hydraulic servo steel strut exhibits a superior supporting effect. The hydraulic servo steel strut adjusts the axial force in real time based on the deformation of the retaining structure and the axial force of the struts. Thus, the ratio of maximum lateral deflection to the excavation depth of a deep foundation pit in soft soil is less than 0.3%. Concrete struts undergo unsupported exposure during the excavation process, leading to sharply increasing deformation of the retaining structure. Therefore, regarding a foundation pit with strict requirements for deformation control, the use of hydraulic servo steel struts rather than concrete struts is recommended.
机译：该研究基于凹坑挖掘引起的基于钢支柱，横向壁偏转和地面沉降的测量轴力，呈对液压伺服钢支柱和普通钢支柱的变形控制效果的比较分析。结果表明，通过轴向预载装安装的普通钢支柱具有不利的轴向力损失，其最大值等于轴向预加载力的86.7％。与普通钢支柱相比，液压伺服钢支柱表现出优异的支撑效果。液压伺服钢支柱的基于保持结构的变形和支柱的轴向力，实时调节轴向力。因此，软土中深基坑的最大横向偏转与挖掘深度的比例小于0.3％。在挖掘过程中，混凝土支柱在挖掘过程中经历了不受支持的曝光，导致保持结构的变形幅度急剧增加。因此，关于具有严格对变形控制要求的基坑，建议使用液压伺服钢支柱而不是混凝土支柱。

著录项

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