重庆山洪沟治理探讨
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摘要
重庆市是我国典型的山洪灾害易发区,山洪沟众多、治理任务繁重。结合重庆重点山洪沟治理实施情况,对影响山区山洪沟治理的设计洪水的不确定性、地形地质的特殊性、工程投资的有限性和人类活动的破坏性等四大关键因素进行了总结分析,从防洪标准适当提升、防治范围合理划分、工程措施优化布置、非工程措施紧密结合等四个方面初步提出了重庆市山洪沟治理建议。
In accordance with the requirements of Water Ministry, the control project of key mountain flood valleys is accelerated the construction throughout the country. Chongqing is the typical mountain flood susceptible region in our country. With so many mountain flood valleys, the flood control task of Chongqing is heavy.Combined with the constructed key mountain flood valleys in Chongqing, this paper summarizes four critical factors that have great effects on the control of mountain flood valley, namely the uncertainty of design flood calculating, the particularity of topographical and geological conditions,the limitation of project investment,the damaging by human activities.At the same time,it preliminarily discusses the control model of mountain flood valley in Chongqing mountain area from four aspects,namely to properly upgrade flood control standard,to rationally divide control regions,to optimize engineering measures and to closely combine with non-engineering measures.
In accordance with the requirements of Water Ministry, the control project of key mountain flood valleys is accelerated the construction throughout the country. Chongqing is the typical mountain flood susceptible region in our country. With so many mountain flood valleys, the flood control task of Chongqing is heavy.Combined with the constructed key mountain flood valleys in Chongqing, this paper summarizes four critical factors that have great effects on the control of mountain flood valley, namely the uncertainty of design flood calculating, the particularity of topographical and geological conditions,the limitation of project investment,the damaging by human activities.At the same time,it preliminarily discusses the control model of mountain flood valley in Chongqing mountain area from four aspects,namely to properly upgrade flood control standard,to rationally divide control regions,to optimize engineering measures and to closely combine with non-engineering measures.
引文
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