CUED Publications database

Fatigue performance of a connection for GRC cladding panels

Donà, M and Overend, M (2017) Fatigue performance of a connection for GRC cladding panels. In: UNSPECIFIED pp. 253-259..

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The façade or building envelope is one of the most demanding structural parts of a building, both in terms of durability and structural performance. Among the several different materials suitable for external cladding, glass reinforced concrete (GRC) panels, have recently gained popularity among architects, engineers and contractors in the last years. The high tensile strength, durability as well as the great variety of shapes, sizes and colours make GRC as a particularly suitable choice for thin, light, free-form cladding façade elements. The general behaviour of GRC is well known but there are still some areas on which there is limited or no research. One such example is the connection of the panels to the supporting structure where stress concentrations are generated and that could activate different failure modes. Furthermore when used as façade element there are several different actions such as wind, snow as well as thermal expansion and earthquake which excite cyclically the GRC panel over its service life. The consequent fluctuation of the stress concentrations raises the need for a fatigue-based design, which is outside the scope of mainstream design guidelines and standards. In this presentation results of a series of fatigue tests on a GRC to metal anchorage will be presented and discussed based on a real case study. The analysis of the wind load as cyclic load and the definition of the corresponding stress levels and number of cycles for the fatigue test will be also discussed.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 12 Mar 2018 20:06
Last Modified: 18 Feb 2021 17:02