Wavelet denoising analysis of Rock's stress-strain curve under uniaxial compression

被引：0
|
作者：
Yu Li [1 ]
Chen Jianping [1 ]
Zheng Wei [1 ]
机构：
[1] China Univ Geosci, Fac Engn, Wuhan 430074, Hubei, Peoples R China
来源：
FRONTIERS OF GREEN BUILDING, MATERIALS AND CIVIL ENGINEERING III, PTS 1-3 | 2013年 / 368-370卷
关键词：
Rock uniaxial compression; Stress-strain curve; Instantaneous deformation modulus; Wavelet packet analysis;
D O I：
10.4028/www.scientific.net/AMM.368-370.1843
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Rock stress-strain curve under uniaxial compression is the output of joint action of rock and test system, so it must have certain noise. IN order to realize effective denoising processing, the concept of instantaneous deformation modulus has been put forward, and the difference quotient algorithm of instantaneous deformation modulus has been used to enhance noise. After wavelet analysis and wavelet packet analysis of rock stress consequence and instantaneous deformation modulus respectively, the results of different denoising schemes have been statistically analyzed, this analysis shows that the wavelet packet analysis of instantaneous deformation modulus can achieve optimal denoising effect.
引用
收藏
页码：1843 / 1847
页数：5
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