کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
258760 | 503622 | 2012 | 8 صفحه PDF | دانلود رایگان |

Mechanisms behind explosive spalling of high-strength concrete during a heating test were investigated on the basis of acoustic emission (AE) measurements of wet and air-dried specimens. The relation between the measured values of the internal temperature and vapour pressure and AE events produced by micro-cracking were investigated. It was found that AE events were indeed indicative of the state of the explosive failure process. Furthermore, b-value analysis was successfully applied to clarify the fracture process, regardless of the moisture content of the specimens.
► This study used the AE method for detecting the explosive spalling process in HSC.
► It was found that AE events were indeed indicative of the state of the explosive failure process.
► b-Value analysis was successfully applied to clarify the fracture process.
Journal: Construction and Building Materials - Volume 37, December 2012, Pages 621–628