On the pummel test and pummel-value evaluation of polyvinyl butyral laminated safety glass

Laminated safety glass is popularly used as facades and structural elements in buildings. For safety concerns, the bonding between glass and interlayer needs to be ensured. Pummel test is one of the most commonly used approaches to evaluate the interfacial adhesion of laminated glass. This paper is concerned with the development of a software-based pummel-value evaluation method. First, a series of pummel tests were conducted to characterise the...