Identifying the Crack Nature Using b-Value Acoustic Emission Signal Analysis
作者： N. A. A. S. Bahari , Shahiron Shahidan , M. F. M. Shukri , Sharifah Salwa Mohd Zuki , M. Y. Norbazlan
DOI: 10.1007/978-3-030-32816-0_80
关键词:
摘要: Concrete is an important constituent of structures. The strength performance the concrete decrease due to several factors. suffers from deterioration at a later stage. Early and constant identification necessary. Nowadays, non-destructive testing (NDT) widely used especially on continuous real-time monitoring system with minimum labor involvement. It could also be discriminate different types damage occurring in reinforced (RC) beam real structure. In this research was monitored by using Acoustic Emission it have analysis such as RA-value, b-value, intensity signal historical index. To determine acoustic emission signals for structures cracking b-value analysis. contain useful information about mechanisms. A high arises large number small AE hits, representing new crack formation slow growth, whereas low indicates faster or unstable growth accompanied relatively amplitude number. Reinforced beams measuring size 150 mm × 250 1500 were during test. four-point load test carried out specimens until occurred. generated equipment process, values are compared define summarise type processes.
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