利用注水疏浚、Tiamat 和水下犁搅拌疏浚淤泥和细沙:鹿特丹港案例研究

IF 2.8 3区 农林科学 Q3 ENVIRONMENTAL SCIENCES
Sterre Neumann, Alex Kirichek, Andre van Hassent
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引用次数: 0

摘要

目的搅拌疏浚作为一种既环保又具有成本效益的港口维护方法,越来越受到人们的欢迎。搅拌疏浚法的优势之一是能够利用自然水流将沉积物运出港区。不同的搅拌方法对沉积物和水特性的影响很少在一个试点项目中进行调查。本研究旨在研究经常维护的以淤泥和沙子为主的区域中搅拌方法的影响。方法在鹿特丹港调查了注水疏浚(WID)、水下犁耕(UWP)和 Tiamat 对沉积物性质的影响。通过现场测量和实验室测量,确定了搅拌疏浚导致的床面高度、床面粒度分布、水体浊度和沉积物羽流扩散距离的变化。现场测量结果表明,WID、Tiamat 和 UWP 可成功用于搅拌沉积物,并将其从淤泥和沙子为主的区域中清除。与沙质沉积物相比,测试的搅拌方法对淤泥的产量更高。一般来说,可根据环境法规、沉积物特性和水动力条件来选择搅拌设备。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Agitation dredging of silt and fine sand with Water Injection Dredging, Tiamat and Underwater Plough: a case study in the Port of Rotterdam

Agitation dredging of silt and fine sand with Water Injection Dredging, Tiamat and Underwater Plough: a case study in the Port of Rotterdam

Purpose

Agitation dredging has gained popularity as an environmentally friendly and cost-effective method for port maintenance. One of the advantages of agitation dredging is the ability to transport sediments out of the port area using natural currents. The effect of the different agitation methods on sediment and water properties has rarely been investigated in a single pilot project. This research aims to study the effects of agitation methods in silt and sand-dominated areas that are frequently maintained.

Methods

The effects of water injection dredging, (WID) underwater ploughing (UWP) and Tiamat on sediment properties are investigated in the Port of Rotterdam. In-situ measurements and laboratory measurements are carried out to determine changes in the bed level, the particle size distribution of the bed, the turbidity in the water column and the dispersion distance of the sediment plume due to agitation dredging.

Results

The results of the in-situ monitoring of the agitation pilots allow a comparison of the changes in sediment and water properties before, during and after agitation dredging. The production, advantages and limitations of the tested agitation dredging methods are discussed.

Conclusion

The in-situ measurements show that WID, Tiamat and UWP can be successfully used for the agitation of sediments and their removal from the silt and sand-dominated areas. The production of the tested agitation methods is higher for silty than sandy sediments. In general, the selection of the agitation equipment can be made based on environmental regulations, sediment properties and hydrodynamic conditions.

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来源期刊
Journal of Soils and Sediments
Journal of Soils and Sediments 环境科学-土壤科学
CiteScore
7.00
自引率
5.60%
发文量
256
审稿时长
3.5 months
期刊介绍: The Journal of Soils and Sediments (JSS) is devoted to soils and sediments; it deals with contaminated, intact and disturbed soils and sediments. JSS explores both the common aspects and the differences between these two environmental compartments. Inter-linkages at the catchment scale and with the Earth’s system (inter-compartment) are an important topic in JSS. The range of research coverage includes the effects of disturbances and contamination; research, strategies and technologies for prediction, prevention, and protection; identification and characterization; treatment, remediation and reuse; risk assessment and management; creation and implementation of quality standards; international regulation and legislation.
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