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宁夏中南部5 m分级黄土边坡稳定性模拟研究

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以宁夏已建黄土地区公路资料为基础,通过有限元模拟计算宁夏中南部黄土地区公路路堑边坡,研究单级5 m自然边坡情况下,坡率、平台宽度、中间宽平台等各因素对边坡安全系数的影响,并结合规范、占地、土方等综合因素,提出20 m以下不同开挖深度下推荐的路堑边坡形式,为今后宁夏黄土地区公路路堑边坡设计提供借鉴及参考.
Simulation of 5-m Graded Loess Slope Stability in South-Central Ningxia
According to the information on constructed highways in loess areas in Ningxia,the cutting slope of loess highways in south-central Ningxia was simulated and calculated by the finite element method.Focusing on a single-grade 5-m natural slope,this paper studied the effects of various factors including slope rate,platform width,and intermediate wide platform on safety factors of the slope.Combined with the specification,land occupation,earth,and other comprehensive factors,the recommended cutting slope form under different excavation depths below 20 m was put forward,which could provide a reference for the cutting slope design for loess highways in Ningxia in the future.

loess area in Ningxiacutting slopefinite element simulationstability analysissafety factor

刘安宁

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宁夏公路勘察设计院有限责任公司,宁夏 银川 750001

宁夏黄土地区 路堑边坡 有限元模拟 稳定性分析 安全系数

2024

山西交通科技
山西交通科技信息中心站

山西交通科技

影响因子:0.381
ISSN:1006-3528
年,卷(期):2024.(2)