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论文摘要

汶川地震灾区河道修复重建研究综述

A Review of Research on Stream Corridor Restoration in Wenchuan Earthquake District, Sichuan, China

作者:曹叔尤(川大水电学院);刘兴年(川大水电学院);黄尔(川大水电学院);杨克君(川大水电学院);杨奉广(四川大学)

Author:Cao shuyou();Liu Xingnian();Huang er(SCU);Yang Kejun();杨奉广()

收稿日期:2010-04-29          年卷(期)页码:2010,42(5):1-9

期刊名称:工程科学与技术

Journal Name:Advanced Engineering Sciences

关键字:汶川地震;灾后重建;河流泥沙;河床演变;河道修复

Key words:Wenchuan earthquake; Reconstruction; River sedimentation; Fluvial processes; Stream restoration

基金项目:国家自然科学基金

中文摘要

2008年5月12日汶川地震已经过去两年。特大地震诱发了大量滑坡、崩塌、泥石流、堰塞湖和不稳定斜坡等次生地质灾害, 水土流失非常严重,造成震区江河严重破坏。地震灾区河道修复是灾后恢复重建主要任务之一。四川大学水力学与山区河流开发保护国家重点实验室经过对震区的现场考察、结合灾区河道修复工程开展了相关的水沙动力学物理模型、数学模型与历史模型相结合的复合模型研究,取得了阶段性成果。本文结合国内外有关河道修复问题的研究进展,综述了河流修复在汶川地震灾后重建的重要性、河道修复的一般原则与地震灾后河道修复特殊原则、地震灾区河道修复的稳定性问题、地震灾后河流修复研究方法与案例。通过总结两年来抢险救灾与灾后重建的河流修复科学研究与工程实践,提出了灾后河道修复继续完善的建议。

英文摘要

Wenchuan earthquake in 2008 is affecting soil erosion, and the trend of sediment transport and fluvial processes of rivers in Sichuan, China. Rivers in the earthquake district are damaged seriously by Landslides, debris flows and barrier lakes. Intensive researches are conducted during the disaster relief, recovery and reconstruction after the Wenchuan earthquake disaster in two years. A selective literature review of mechanism and technology studies relative stream corridor restoration including results at State Key Laboratory of Hydraulics and Mountain River Engineering, are summarized in this paper, on topics of serious influences to fluvial processes of rivers in Sichuan; general principles and special principles in stream corridor restoration techniques to secondary disasters of earthquakes; focus on the stability of rivers in the earthquake district; Methodology and practice examples. Further studies are especially required, including strengthen inter-disciplines studies in areas of hydraulic engineering, geo-science, and ecologic and environmental science to explore theory and key techniques of river corridor restoration after the Wenchuan earthquake.

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