ERAEngineering Research and Application2995-31542993-2742Art and Technology10.61369/ERA.2026080030Article柔性防护结构破坏机理与设计对策https://artdesignp.com/journal/ERA/4/8/10.61369/ERA.2026080030吴嘉焕,方思婷,吴雨阳,邓芊芊,柳春2026482026-08-20在山区地质灾害防护工程里，柔性防护体系易出现各类失效问题，但现阶段针对其破坏规律与优化设计方案的研究仍较为有限。本文依托西南地区11处实地工程点位开展现场调研，重点分析坡面灾害冲击作用下防护结构的失效形式与内在机理。分析结果表明，该类防护结构常见的失效形式包含4大类型，且钢柱出现屈曲变形的概率远高于其他的失效类型，边界处的滑移锁死更是导致该现象的主要因素，基于此制定了相应的结构优化措施。柔性防护结构,破坏机理,设计对策,钢柱屈曲,滑移锁死

[1] 赵世春, 余志祥, 赵雷, 等. 被动防护网系统强冲击作用下的传力破坏机制[J]. 工程力学, 2016, 33(10):11.[2] EOTA, ETAG 27. Guideline for European Technical approval of falling rock protection kits [M]. European Organization for Technical Approvals, 2008.[3] Liu Chun, Yu Zhixiang, Zhao Shichun. Quantifying the impact of a debris avalanche against a flexible barrier by coupled DEM-FEM analyses [J]. Landslides, 2020, 17:33-47.[4] Spadari M, Giacomini A, Buzzi O, et al. Prediction of the Bullet Effect for Rockfall Barriers: a Scaling Approach [J]. Rock Mechanics & Rock Engineering, 2012,45(2):131-144.[5] Hambleton J P, Buzzi O, Giacomini A, et al. Perforation of Flexible Rockfall Barriers by Normal Block Impact [J]. Rock Mechanics & Rock Engineering, 2013, 46(3): 515-526.[6]Ashwood W, Hungr O. Estimating total resisting force in flexible barrier impacted by a granular avalanche using physical and numerical modeling [J]. Canadian Geotechnical Journal, 2016, 53(10): 1700-1717.[7]Tan DY, Yin JH, Feng WQ, et al. Large-scale physical modelling study of a flexible barrier under the impact of granular flows [J]. Natural Hazards & Earth System Science,2018, 18(10): 2625-2640.[8] 中华人民共和国铁道行业标准. TB/T3089-2004铁路沿线斜坡柔性安全防护网[S]. 北京: 中国铁道出版社, 2004.