%0 Journal Article
%T FRACTAL CHARACTERISTICS OF AE PROCESS OF CONCRETE MATERIAL AND APPLICATION TO THE FRACTURE ANALYSES<br>混凝土材料声发射过程分形特征及其在断裂分析中的应用
%A Ji Hongguang Wang Jicai
%A Shan Xiaoyun
%A Cai Meifeng
%A <br>纪洪广
%A 王基才
%A 单晓云
%A 蔡美峰
%J 岩石力学与工程学报
%D 2001
%I 
%X In order to obtain the relationship between the acoustic emission process and fracture evolution of concrete material, the concept of relevant fractal function of acoustic emission process is given .The existence of fractal characteristics of acoustic emission process is proved through experiments firstly. Then. The variation tendency of relevant fractal dimensions in the fracture process of material is analyzed by three-point bending test of concrete specimen. The identification pattern of fractal characteristics for critical fracture is determined. The results show that the acoustic' emission process of concrete material is of obvious fractal characteristics, and the different fractal characteristic parameters of acoustic emission in the critical state show some "identification pattern" which can be used to identify the characteristics of critical fracture.
%K concrete
%K acoustic emission
%K fractal characteristics
%K critical
%K fracture<br>混凝土
%K 声发射
%K 分形特征
%K 临界断裂
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=D3421FAA1A0A0F0C&jid=35E747D791A1346351AFB523B7FA35CB&aid=4F9013AD5D90C345&yid=14E7EF987E4155E6&vid=A04140E723CB732E&iid=B31275AF3241DB2D&sid=0018E43E61963A72&eid=1F94F38CF0FA5258&journal_id=1000-6915&journal_name=岩石力学与工程学报&referenced_num=15&reference_num=17