<?xml version="1.1" encoding="utf-8"?>
<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">ERA</journal-id><journal-title-group><journal-title>Engineering Research and Application</journal-title></journal-title-group><issn>2995-3154</issn><eissn>2993-2742</eissn><publisher><publisher-name>Art and Technology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/ERA.2026070022</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>基于DEM-FEM耦合方法的崩塌滚石撞桥动力学行为研究</title><url>https://artdesignp.com/journal/ERA/4/7/10.61369/ERA.2026070022</url><author>江茂盛,邓芊芊</author><pub-date pub-type="publication-year"><year>2026</year></pub-date><volume>4</volume><issue>7</issue><history><date date-type="pub"><published-time>2026-07-20</published-time></date></history><abstract>为研究滚石破裂对撞桥动力学行为的影响，建立考虑滚石破裂的崩塌滚石-桥耦合动力学模型，以彻底关大桥为工程背景，分析滚石冲击桥墩的动力学行为。结果表明：滚石冲击过程中，冲击处混凝土完全损毁，墩柱丧失承载能力，墩帽受弯剪断裂，桥面滑落；滚石破裂后新增粒子间的耦合接触力对冲击响应有显著影响。研究可为类似工程提供参考。</abstract><keywords>崩塌滚石,撞桥,DEM-FEM耦合,动力学行为,滚石破裂</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>[1] 沈均, 何思明, 吴永. 滚石灾害研究现状及发展趋势[J]. 灾害学, 2008, 23(4):5.[2] Glover J, Volkwein A, Dufour F, et al. Rockfall attenuator and hybrid drape systems-design and testing considerations[C]. Third Euro-Mediterranean Symposium on Advances in Geomaterials and Structures, 2010:379-384.[3] 孟一. 冲击荷载作用下钢筋混凝土梁的试验及数值模拟研究[D]. 湖南大学,2012.[4] 顾乡. 落石冲击作用下桥梁墩柱损伤和防护研究[D]. 西南交通大学,2017.[5] 叶四桥, 陈洪凯, 唐红梅. 落石冲击力计算方法[J]. 中国铁道科学, 2010, 31(6): 56-62.[6] Zhang X, Wang X, Chen W, et al. Numerical study of rockfall impact on bridge piers[J]. Structure and Infrastructure Engineering, 2020: 1-19.[7] Fujikake K, Li B. Impact response of reinforced concrete beam[J]. Journal of Structure, ASCE, 2009, 135(8): 938-950.[8] 柳春, 余志祥, 骆丽茹, 等. 含大块石泥石流冲击作用下混凝土拦挡坝的动力学行为研究[J]. 振动与冲击, 2019, 38(14): 161-168.</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
