Abstract
Macrofracture entails the creation of free surface. The process can be enhanced or impeded depending on the ways in which the material microstructures are designed to react against the operational conditions. Undesirable chemical reactions can be the main source of strength degradation for load-supporting large structural members. Assessment of the remaining strength of damaged cable wires for cable-stayed or suspension bridges can rely on a knowledge of strength and/or fatigue life depending on the prevailing stress amplitude and whether the cables are stayed or not. Although large-scale computer schemes are available for making detailed failure analyses, they are not conducive to retrieving technical information within a relatively short time. Computer simulation has not advanced to the stage where experimental validation could be spared. To this end, effective analytical/experimental methodologies are much in need of development. The fracture mechanics approach appears to have gained ground in recent t...
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