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Research and experimental study on deep sea trench dredging suction head [PDF]

E3S Web of Conferences
To solve the problem of incomplete removal of silt and disturbance of gravel during the dredging process of the gravel foundation surface of immersed tube tunnels, a dredging suction head with dual functions of mechanical scraping and hydraulic conveying
He Ping, Wang Zeping, Sun Yunjia, Liu Wenhe +3 more
doaj +1 more source

Application of an Innovative Jet Pump System for the Sediment Management in a Port Channel: Techno-Economic Assessment based on Experimental Measurements

Journal of Marine Science and Engineering, 2020
The realization of infrastructures in coastal environment modifies water and sediment natural current regime. In particular, sediment can be entrained and accumulated in port infrastructure like docks, haling basins, or port entrances and channels ...
Marco Pellegrini, Giovanni Preda, Cesare Saccani +2 more
doaj +1 more source

Advances in Maintenance of Ports and Waterways: Water Injection Dredging

, 2021
The main objective of this chapter is to demonstrate developments in port maintenance techniques that have been intensively tested in major European ports.
Kirichek, Alex (author) +7 more
core +1 more source

Evaluation of a nature-based agitation dredging solution

, 2023
The challenge of maintaining harbours and ports while conserving and sustaining coastal habitats, with all the rich resources they provide, requires that port and harbours do more to develop approaches to maintenance dredging that provide benefit to ...
Benson, T., Spearman, J.
core +1 more source

Valorization of saline dredged sludge by low-carbon geopolymer production: Salt content impact, mechanisms, and carbon emissions

Results in Engineering
This study demonstrates a green and low-carbon approach for valorizing saline dredged sludge (DS) by producing geopolymers from DS combined with fly ash (FA) and ground granulated blast furnace slag (GGBS), activated by an alkaline activator ...
Zuobin Wang +8 more
doaj +1 more source

Maintenance dredging at Port of Townsville

, 2014
The Port of Townsville conducts regular annual maintenance dredging to maintain depths of its harbor basin and approach channels for the navigational safety of the vessels against the natural accumulation of marine sediments.
Lovisa, J., Sivakugan, N., Jaditager, M.
core +1 more source

Impact of operational parameters on turbidity generation in cutter suction dredging: Insights from a numerical model and sensitivity analysis

Applied Ocean Research
The cutter suction dredger (CSD) is one of the main vessels utilized in the dredging industry. The dynamic actions related to its rotating cutter head are the main trigger for sediment release and turbidity generation by this vessel.
Mosaab Mahgoub, G.H. Keetels, Said Alhaddad +2 more
doaj +1 more source

Testing Conditioning Methods for Maintenance Dredging in Ports [PDF]

, 2023
Rivers, Ports, Waterways and Dredging EngineeringGeo-engineeringEnvironmental Fluid ...
Kirichek, Alex (author) +5 more
core

The effects of shell dredging and siltation from dredging on organisms associated with oyster reefs.

, 1976
p. 280-303.There are three types of dredging that directly affect oyster reefs: (1) removal of a live reef, (2) removal of a dead reef, and (3) removal of a buried reef.
Bedinger, C.A., McKinney, L.D., Hopkins, S.H. +2 more
core +1 more source

Environmental monitoring of dredging at the Port of Angra dos Reis

Holos, 2019
Dredging activities in port areas are intended to expand the ports’ activities and maintain adequate depth in the access channels, berthing areas and basins of evolution. The environmental license granted for maintenance dredging in the port of Angra dos
Aurélio Lamare Soares Murta +4 more
doaj +1 more source

environmental sciences
numerical simulation