| 斯里兰卡A09公路重建工程关键设计方案分析 |
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| 作者单位： | ;1.中铁第一勘察设计院集团有限公司 |
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| 摘 要： | 既有路改扩建项目日已成为全球工程界的重点拓展领域,通过对斯里兰卡A09公路重建段特点和控制条件的分析,对长大规模的既有路改建项目所涉及的关键工程设计方案进行分析。在复杂建设条件下,应用多国不同专业规范,提出合理可行的道路加宽、中线拟合与优化、最小间隙法确定初步纵断面、竖曲线参数分析、路基衔接处理、特殊路面结构、交叉口转弯模型、中英两国荷载分析与应用、生态环保理念的应用等关键设计方案。
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| 关 键 词： | 公路 改扩建 长大规模 多国规范 关键技术 分析 |
The Key Design Scheme Study of Sri Lanka A09 Road Reconstruction Project |
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| Institution: | ,China Railway First Survey and Design Institute Group Co.,Ltd. |
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| Abstract: | Rehabilitation and improvement of existing road has become a global focus in the engineering field.With analysis of the special features and controlled conditions of A09 road project in Sri Lanka,this paper studies the key several design schemes for long-large scale reconstruction projects.With reference to complex construction conditions and multinational design specifications,the thesis presents key design schemes in terms of road widening,center line matching and optimizing,defining initial longitudinal cross-section with minimum interval method,analyzing vertical curve parameter,subgrade connection,particular pavement structure,intersection turning model,analysis and application of structure loads specified by China codes and British codes,and ecological protection. |
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| Keywords: | Highway Reconstruction Long-large scale Multinational specifications Key technology Analysis |
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