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Article

Risk Assessment of Joint Sealing Tape in Joints between Precast Concrete Sandwich Panels Resilient to Climate Change

1
Department of Architecture and Civil Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
2
RISE Research Institutes of Sweden, SE-501 15 Borås, Sweden
*
Author to whom correspondence should be addressed.
Academic Editor: Michael A. Lacasse
Buildings 2021, 11(8), 343; https://doi.org/10.3390/buildings11080343
Received: 28 June 2021 / Revised: 30 July 2021 / Accepted: 4 August 2021 / Published: 11 August 2021
(This article belongs to the Special Issue Climate Resilient Buildings)
Lately, a new technical solution, pre-compressed joint sealing tapes in precast concrete sandwich panel facades, has been introduced in Sweden. Although the consequences of performance failure can go far beyond the component, affecting the building, the introduction has gained little attention in terms of risk assessment in the literature and in industry. Instead, reference cases are used as verification without formal evaluation, potentially leading to serial failure. The aim of this paper was to provide guidance on how a design–build contractor should handle this new technical solution. A risk assessment framework using a design–build contractor’s perspective was applied to the case. The framework addresses new technical solutions or adaption to new conditions (e.g., climate change) with the aim of preventing serial failures. Moisture conditions within the joints were simulated using present and future climates, and probabilities of failure were assessed using the Monte Carlo method. The results of the study included identified risks of failure associated with the solution and factors influencing the probability of failure. A main issue was the exposure of the facade to driving rain but also run-off areas and imperfections in the application of the joint sealing tape. Future climate changes affect performance negatively. In conclusion, the new technical solution might be possible to use if draining potential is ensured in all detailed designs and a set of recommendations, including full-scale testing, is provided for the design–build contractor. View Full-Text
Keywords: joint sealing tape; precast concrete; driving rain; moisture safety; risk assessment; new technical solutions; climate change joint sealing tape; precast concrete; driving rain; moisture safety; risk assessment; new technical solutions; climate change
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MDPI and ACS Style

Svensson Tengberg, C.; Olsson, L.; Hagentoft, C.-E. Risk Assessment of Joint Sealing Tape in Joints between Precast Concrete Sandwich Panels Resilient to Climate Change. Buildings 2021, 11, 343. https://doi.org/10.3390/buildings11080343

AMA Style

Svensson Tengberg C, Olsson L, Hagentoft C-E. Risk Assessment of Joint Sealing Tape in Joints between Precast Concrete Sandwich Panels Resilient to Climate Change. Buildings. 2021; 11(8):343. https://doi.org/10.3390/buildings11080343

Chicago/Turabian Style

Svensson Tengberg, Charlotte, Lars Olsson, and Carl-Eric Hagentoft. 2021. "Risk Assessment of Joint Sealing Tape in Joints between Precast Concrete Sandwich Panels Resilient to Climate Change" Buildings 11, no. 8: 343. https://doi.org/10.3390/buildings11080343

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