水下平整器在长江口深水航道中的试验研究

Test and Study on Application of Underwater Leveler in the Deepwater Channel of the Yangtze Estuary

针对耙吸挖泥船扫浅效率低、浅点不易挖除的问题，采用水下平整器配合耙吸挖泥船在长江口深水航道治理一期工程的Ｄ１．２、Ｄ１．３标段进行了扫浅可行性试验和研究。对现场试验情况、经济效益分析和存在问题及建议作了介绍。

To counter the problems of low efficiency and difficult operation of dredging for shallow spot by trailing suction hopper dredger, it carried out test and study on the feasibility of shallow spot dredging for Bid D1.2 and Bid D1.3 sections of the Yangtze Estuary deepwater channel regulation 1st－ phase project by adopting trailing suction hopper dredger fitted with underwater leveler. The situations of site test, the economic benefit analysis and existing problems are introduced, and suggestions are provided.