点击次数：

发表时间： 2022-10-06

发表刊物： 水道港口

所属单位： 建设工程学部

期号： 2

页面范围： 198-202

ISSN号： 1005-8443

摘要： The suspended substance (SS) produced by dredging engineering construction can produce adverse influence on the aquatic organisms in the surrounding sea. Through establishing a two?dimensional model of trans?port and diffusion of SS, the concentration of SS in the operation center of different types and dredging efficiencies of dredgers were studied in this paper. According to the relationship of SS concentration variation and plankton bio?mass loss, a dredger selection model considering the plankton biomass loss was built. A foundation trench dredging engineering was taken as an example to illustrate the impact of dredging engineering on the plankton biomass loss during construction period, when carrying out dredging engineering construction by using grab dredger. Considering the plankton biomass loss, a decision support for dredger selection in dredging engineering was provided. The re?sults show that dredger with smaller dredging efficiency should be chosen under the condition of allowable construc?tion period, in order to reduce the effect of SS on plankton.

备注： 新增回溯数据