The Structural Engineer > Archive > Volume 79 (2001) > Issues > Issue 8 > Development of crack size and limit state design methods for edge-abraded glass members
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Development of crack size and limit state design methods for edge-abraded glass members

A new design method is proposed for the structural, load bearing applications of glass with ground edges. It is shown that all the strength characteristics of glass relevant to structural engineering can be explained by the cracks present in the glass and can be analysed using fracture mechanics. The proposed method takes a ‘design crack’ as the basis for design, rather than an allowable stress, as in current approaches with which it is compared. This paper deals with the determination of the strength of glass elements; it does not address buckling problems, nor does it consider the concepts of alternative load paths. The role of crack size design within the wider philosophy of limit state design is discussed. M. I. Porter, BE (Hons) Department of Engineering Science, University of Oxford Professor G. T. Houlsby, MA, PhD, FREng, FICE Department of Engineering Science, University of Oxford

Author(s): Porter, M I;Houlsby, G T

Keywords: fracture mechanics;growth;cyclic loads;static;fatigue;glass;design;modelling;abrasion