基于综合指标体系的长江莲沱段航道整治工程方案优选

Scheme optimization of waterway regulation project of Liantuo section of the Yangtze River based on comprehensive evaluation index system

为优选长江莲沱段航道整治工程方案,分析航道整治工程影响因素,构建航道整治工程方案评价指标体系——综合考虑施工情况、生态影响、整治效果和经济效果4个方面的18项指标。采用基于该指标体系的模糊综合评价模型对莲沱段航道整治方案进行评价和优选,得出方案1("水下炸礁+清渣+深沱抛填"方案)隶属度较高,且达到优秀的指标数较多的结果,因此推荐该方案为莲沱段航道整治最终方案。

To choose the best channel regulation scheme of the Liantuo section of the Yangtze River,this paper analyzes the influential factors of channel regulation and constructs the regulation scheme evaluation index system: 18 indexes from the aspects of construction condition, ecological impact, remediation effect, and economic effect are taken into consideration in this evaluation index system. Adopting the fuzzy comprehensive evaluation model based on the evaluation index system to evaluate and optimize the waterway regulation project scheme of the Liantuo section of the Yangtze River,this paper concludes that the scheme 1( reef explosion +slag removal+ deep-pool filling) has a high degree of affiliation and achieves a higher number of excellent indicators.Thus the scheme 1 is recommended as the better channel regulation scheme.