Multicase Study Comparison of Different Types of Flood-Resilient Buildings (Elevated, Amphibious, and Floating) at the Vistula River in Warsaw, Poland

Łukasz Piątek and Magdalena Wojnowska-Heciak
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Łukasz Piątek: Faculty of Architecture, Warsaw University of Technology, 00-661 Warsaw, Poland
Magdalena Wojnowska-Heciak: Department of Landscape Architecture, Institute of Environmental Engineering, Warsaw University of Life Sciences, 02-787 Warsaw, Poland

Sustainability, 2020, vol. 12, issue 22, 1-20

Abstract: The study aims to present, compare, and assess three different types of buildings considered as flood-resilient construction: building on piles (also called static elevation), amphibious building (also called can-float), and floating building in terms of their performance in the context of a semiwild river in a large city. The comparative multiple-case study covers three objects realized between 2014 and 2017 at the Vistula riverbanks in Warsaw, Poland: pile founded Beach Pavilion, amphibious Boulevard Pavilion, and floating Water Tram Terminal. The research was based on the blueprints analysis as well as on on-site observations in the phase of construction and operation and interviews. The general characteristic of the three resilient typologies has been confirmed in the study. The pile building has an almost unlimited range of operation regarding the water level on the cost of a relatively remote location from the river, but during an exceptionally extreme flood, it will be flooded. Floating buildings provide the best visual and physical contact with water, cannot be flooded, and may be relocated but access to them from land is hampered, especially during very low and very high water levels. Amphibious buildings seem to be a compromise of water proximity and reliability of operation in all circumstances. A closer look reveals technical problems with buoyant structures. In the case of the floating terminals, problems with mooring on the semiwild freezing river remain a challenge. The amphibious buildings are still in the phase of implementation, waiting for their first test in natural flooding conditions.

Keywords: amphibious buildings; floating buildings; pile buildings; flood-resilient architecture; riverbanks; urban green-blue space design (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
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