Designing Urban Tsunami Resilience

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Designing Urban Tsunami Resilience

Submitted to the Department of Architecture in partial fulfillment of the requirements for the degree of Master of Architecture at the Wentworth Institute of Technology, April 2021

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title: Designing Urban Tsunami Resilience

creator: Torin Jacob Perry Mizuno

subject: Flood damage prevention; Tsunamis; Tsunami resistant design; Seaside architecture, Indenisia, Sumatra, Banda-Aceh, Designs and plans

description: The integration of hydrodynamic landscape infrastructure and architecture in the urban coastal communities of Banda Aceh (Sumatra, Indonesia) will increase tsunami resilience and produce a sanctuary within which community life can return and thrive into the future. By anticipating, reducing and deflecting tsunami momentum forces, these infrastructures will reduce impacts comparable to those of the 26 December 2004 tsunami. Uses of the infrastructure for the rest of the time will provide additional aquaculture and agriculture space for the people of Banda Aceh. Even without any repeat of the 2004 disaster, the resilient community form produces the sense of security essential to ongoingphysical and psychological reduction of fear. The outcome of the thesis results in the development of a tsunami resilient community design realized through the layering of successive resilient strategies. The implementation of sculpted landmasses, with the hybridization of hydrodynamic landscape, infrastructure, and architecture will allow for the preservation of members of thecommunity and their livelihoods through a reduction of tsunami momentum forces acting upon proposed evacuation zones. The replanting and restoration of Banda Aceh’s mangrove forests inall areas of the ocean’s shallows up to 1km in distance from the coast provides a reduction of a tsunami’s height up to 83% Inland. Public sacrificial parks provide the second layer of protection, placing themselves in the way of the weakened tsunami surge, and also providing elevated high ground to those trapped on the beaches before the tsunami strikes the coast. The hydrodynamic landscape design either deflects the tsunami’s momentum away from protected evacuation areas, or into sacrificial zones for the water to safely pass through. These hydrodynamic landscape interventions provide greater means of protection and artificial high-ground during the event, where circulation for evacuation is essential in the preservation of these communities. Hydrodynamically designed residential architectural interventions allow the tsunami water to freely pass through themselves, minimizing the buildup of destructive momentum acting upon thestructure. The design of the community center’s form deflects water from the center of the community evacuation zone.

publisher: The Douglas D. Schumann Library and Learning Commons, Wentworth Institute of Technology

contributor:

date: 2021

type: Thesis

format: .pdf

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source:

language: eng

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rights: https://rightsstatements.org/vocab/InC/1.0/

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