Abstract
ECOncrete®'s Coastalock is an ecologically designed armour unit, providing an alternative and/or a complement to traditional armour layers with ecologically enhanced armouring that provides shoreline stabilization, while also creating well-defined local ecosystems that mimic natural rock pools. The 2D physical model tests performed at TU Delft focused on the stability, reflection and overtopping of a slope with regularly placed single layer Coastalock armour. The 2V:3H slope had an impermeable core, no wave breaking on the foreshore and no rock toe. The stability was seen to double, with stability number Ns (Ns= Hs/ΔDn50) increasing from roughly 2 to 4 and above, by increasing the porosity between the blocks from spacing the units from 0% to 25%. So less concrete use led to more stability. The mean overtopping discharge could be characterized by a roughness factor of gamma_f = 0.610 (for 25% spacing). A key goal of the Coastalock development is to demonstrate that with the use of innovative eco-engineered armour unit design it is now possible to add ecological considerations into the design process to promote biodiversity and provide ecosystem services, achieving both structural and ecological goals.
Original language | English |
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Title of host publication | Proceedings of the Coastal Engineering Conference |
Editors | Daniel Cox |
Publisher | American Society of Civil Engineers (ASCE) |
Edition | 37 |
ISBN (Electronic) | 9780989661164 |
State | Published - 1 Sep 2023 |
Externally published | Yes |
Event | 37th International Conference on Coastal Engineering, ICCE 2022 - Sydney, Australia Duration: 4 Dec 2022 → 9 Dec 2022 |
Publication series
Name | Proceedings of the Coastal Engineering Conference |
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Number | 37 |
ISSN (Print) | 0161-3782 |
Conference
Conference | 37th International Conference on Coastal Engineering, ICCE 2022 |
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Country/Territory | Australia |
City | Sydney |
Period | 4/12/22 → 9/12/22 |
Bibliographical note
Publisher Copyright:© 2023 American Society of Civil Engineers (ASCE). All rights reserved.
Funding
We would like to thank ECOncrete co-Founder Dr. Shimrit Perkol-Finkel (1975-2021) for her perseverance, vision, and guidance.
Keywords
- Nature Inclusive Design (NID)
- biodiversity
- bioenhancing concrete
- coastal protection
- ecological engineering
- marine habitat
- physical modelling
- single layer armour unit