Abstract
The tangible and intangible value derived from the built environment is of great importance. This raises concerns related to the resilience of constructed assets to both human-made and natural disasters. Consideration of these concerns is present in the countless decisions made by various stakeholders during the decades-long life cycle of this type of physical asset. This paper addresses these issues from the standpoint of the engineering aspects that must be managed to enhance the structural safety and serviceability of buildings against natural disasters. It presents risk-informed performance-based parameterization strategies and evaluation criteria as well as design methods to embed differentiated levels of structural safety and serviceability of buildings against wind, snow, earthquakes and other natural agents. The proposed approach enables designers to assure the resilience and reliability of building structures against natural risks.
Highlights
It is a challenge to ensure resilience and reliability concerns under the ever-increasing performance requirements of the multiple stakeholders involved in the life cycle of building projects [1,2]
This paper focuses on engineering risks informing performance metrics related to natural disasters induced by natural agents such as wind, water, or earthquakes
Use of seismic activity calculation values (AEd ), obtained by using the legal coefficient of importance γI, corresponding to an average reference period (e.g., 475 years). These proposals allow designers to systematically make use of metrics against which structural performance is to be ranked in accordance with harmonized evaluation criteria [37]
Summary
It is a challenge to ensure resilience and reliability concerns under the ever-increasing performance requirements of the multiple stakeholders involved in the life cycle of building projects [1,2]. The Architecture, Engineering, Construction and Operation (AECO) sector needs to adopt future-proof methodologies and provisions that anticipate future events and eventual changes in end-user needs, minimize negative impacts and maximize opportunities that lead to sustainable value creation throughout the life cycle of building projects. This can be achieved through the appropriate design and construction quality control and other building policies or regulatory elements, including those aimed at ensuring resilience to unexpected or uncontrollable events and circumstances, or the ability to maintain and/or assure the operations during/after an adverse event (e.g., climate change impacts, extreme weather events, seismic events). Building resilience is often linked with policymaking and strategies for the built environment in the aftermath of catastrophic or traumatic
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