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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Extreme Loads & Disasters

Analysis and application of space truss combined by concrete-filled steel piles and pipes under debris flow

< Table of Contents for Extreme Loads & Disasters
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Extreme Loads & Disasters
  • Pages: 6
  • Title: Analysis and application of space truss combined by concrete-filled steel piles and pipes under debris flow
  • Author(s): Xiuli Wang, Yonghong Ran, Yanpeng Zhu
  • Keywords: dynamic responseļ¼Œdebris flow, impact load, concrete-filled steel tubular piles, numerical simulation, experiment
Abstract
Space structure have wildly used on many field because the good performance. Debris flow is a common natural disaster in mountain area. China is one of the countries with the most serious geological disasters in the world. The loss caused by landslides is very serious in recent years. Based on thorough investigation and study on the protection structure of debris flow in domestic and foreign, the innovation space structure has been proposed. As a new protect structure, the concrete-filled steel tubular piles can intercept stone effectively so as to reduce the impact damage of debris flow. Based on the finite element program ANSYS/LS-DYNA, the model of the concrete-filled steel tubular piles is established, and the dynamic response of its two positions is simulated and analyzed under the impact force. Besides, the experiment study of full-size model has been carried out.

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