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一座跨河公路桥梁设计洪水流量计算

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水文灾害具有突发性、破坏性,已成为在役桥梁损毁的主要因素.以某一级公路上的一座跨河大桥为例,通过对设计流量计算对比分析,表明在适用范围内,公路设计中常用的小流域洪水设计流量计算方法相比《山西省水文计算手册》中的流域水文模型法,使用便捷,计算相对简单,可满足工程的需要,更适合实际设计中使用.相关分析方法及结论,可供同类项目借鉴与参考.
Designed Flood Flow Calculation for a River-crossing Highway Bridge
Hydrological disasters are unpredictable and destructive,and have become the main cause of the destruction of bridges in service.In this paper,based on a river-crossing bridge in a first-class highway,the calculation and analysis of the designed flow indicate that in the applicable range,compared with the watershed hydrological model method from Shanxi Province Hydrology Calculation Handbook,the commonly used calculation method for the designed flood flow in the small watershed in highway design is more convenient and simpler,can meet the engineering needs,and more suitable for use in the actual design.The analysis method and conclusions can provide a reference for similar projects.

first-class highwaybridgewatershed hydrological model methodsmall watershedflood flow

班晓军

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山西省交通科技研发有限公司,山西 太原 030032

一级公路 桥梁 流域水文模型法 小流域 洪水流量

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.(4)