JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2016, Vol. 46 ›› Issue (3): 93-98.doi: 10.6040/j.issn.1672-3961.0.2015.322

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Optimized design of cross-wound cable barrier end anchorage

LEI Zhengbao, LIAO Zhuo*, LIU Zhuchun   

  1. Institute of Vehicle and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410004, Hunan, China
  • Received:2015-10-09 Online:2016-06-30 Published:2015-10-09

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Abstract: In order to research the cross type flexible barrier end anchorage system which conformed to Chinese highway environmental conditions, each part of anchorage system's shape and size was designed according to Chinese actual road environment and referred to foreign guardrail end anchor. Anchorage system model was established using ls-dyna finite element software, the external load of anchorage system and reliable finite element model of wire rope was got combined with real vehicle test and finite element simulation. The initial size of anchorage system was optimized using orthogonal test method. Optimal size was got thorough range and variance analysis. And it was validated through simulation test. The result showed that anchorage system was not pulled out and tilted under external load. The maximum stress of soil was 8.2×10-3MPa, far less than the allowable stress which was 1.7×10-1MPa. Thus, this anchorage system could meet the evaluation index well according to above mentioned.

Key words: collision analysis, orthogonal, cross-wound cable barrier, finite element, anchoring ends

CLC Number: 

  • U491.5+9
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