Experimental study of steel wire mesh reinforced structural insulated panels against windborne debris impact
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© 2017 Taylor & Francis Group, London. Structural Insulated Panel (SIP), as an emerging prefabricated building system, has been employed in the construction industry worldwide. The SIP with Expanded Polystyrene (EPS) foam core can be sandwiched by either Oriented Strand Board (OSB) or Magnesium Oxide (MgO) board. In extreme wind event, modular building envelop made of SIP might be subjected to windborne debris impact, which might create dominant openings and cause internal pressurization. Therefore, the Australian Wind Standard (AS/NZS 1170.2:2011) specifies that wall and roof should meet with the requirement of impact resistance. In the present study, two types of SIPs made of OSB and MgO board as structural skins were tested on their impact resistance performances by using an air cannon testing system. One or two layers of steel wire mesh were inserted into the structural insulated panel as reinforcement interlayer. Its effectiveness on improving the impact resistance capacity was examined by comparing damage mode, residual velocity of the projectile and kinetic energy loss of the projectile.
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