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崩塌落石运动分析与被动防治辅助设计软件开发与应用

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国内外针对崩塌落石灾害运动模拟分析软件,均存在一定问题.结合边坡落石灾害现状,基于落石模型试验,系统分析落石质量、弹跳高度、下落速度等因素对落石灾害破坏力的影响,确定落石运动轨迹,开发崩塌落石运动分析与被动防治辅助设计软件(Crockfall),并在老鼠错崩塌灾害防治设计中进行应用.结果表明:通过设定法向恢复系数、切向恢复系数、滚动摩擦系数、偏移比等参数取值,即可对落石运动轨迹进行模拟;Crockfall可在二维模拟结果上实现三维辅助设计分析,实现落石大规模、可重复的随机运动,拦石墙、拦石网等不同类型被动防控系统的选型和纵横向立体优化布局;老鼠错崩塌落石运动整体呈自由跌落-碰撞弹跳-顺坡滚动.二次碰撞-顺坡滚动模式,落石主要堆积在100~200、400 m后位置,在152 m位置处能量最大,破坏性最大.
Development and Application of Collapse Rockfall Motion Analysis and Passive Control Auxiliary Design Software
There are certain problems for avalanche rockfall disaster motion sub-simulation analysis software at home and abroad.Combined with the current situation of slope rockfall disaster,based on the rockfall model test,the impact of rockfall quality,bouncing height,falling speed and other factors on the destructive force of the rockfall disaster is systematically analyzed,and the trajectory of the rockfall motion is determined.The collapse rockfall motion analysis and passive prevention and control of the auxiliary design software(Crockfall)are further developed and it's applied in the mouse fault collapse disaster prevention and control design.The results show that:by setting the values of normal recovery coefficient,tangential recovery coefficient,rolling friction coefficient,offset ratio and other parameters,we can simulate the trajectory of falling rocks.Crockfall can realize three-dimensional auxiliary design and analysis on the results of two-dimensional simulation,and realize the large-scale and repeatable random movement of falling rocks,the selection of different types of passive prevention and control systems such as rock barriers and nets,and the optimization of the three-dimensional layout of the longitudinal and transverse directions.The rat fault collapse falling rock movement as a whole was free fall-collision bouncing-downhill rolling-secondary collision-downhill rolling mode,falling rocks mainly stay piled up in the 100-200,400 m later position,in the 152 m position at the maximum energy,the greatest destructive.

collapserockfall movementpassive controlmovement trajectoriesauxiliary designCrockfall software

吴梦瑶、张宏浩、梁志伟、周国庆、费锐、曾彬

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重庆交通大学旅游与传媒学院,重庆 400074

重庆交通大学河海学院,重庆 400074

重庆交通大学信息科学与工程学院,重庆 400074

招商局重庆交通科研设计院有限公司,重庆 400067

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崩塌 落石运动 被动防治 运动轨迹 辅助设计 Crockfall软件

中国博士后科学基金面上项目重庆交通大学大学生创新创业训练计划国家级项目

2022M722712202310618005

2024

路基工程
中铁二局集团有限公司,西南交通大学,中铁二院工程集团有限责任公司

路基工程

影响因子:0.36
ISSN:1003-8825
年,卷(期):2024.(3)
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