Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2022 , Vol. 56 >Issue 12: 1700 - 1709

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2021.119

Naval Architecture, Ocean and Civil Engineering

Fracture Damage Characteristics of Rock Under Pre-Peak and Post-Peak Cyclic Loading Condition

Expand
  • 1. College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China
    2. Nanjing Hydraulic Research Institute,Nanjing 210029, China

Received date: 2021-04-14

  Online published: 2023-01-05

Fold

Abstract

In the process of rock excavation, cyclic loading may occur before or after the peak value. In order to obtain the fracture damage evolution characteristics of rock under the pre-peak and the post-peak cyclic loading condition, the fracture tests of three-point bending granite beams were conducted by using the digital image correlation method and the acoustic emission technology. Based on the secant modulus, the acoustic emission energy and effective crack length, the rock fracture damage indexes DE, DAE, and DL were constructed respectively, and the rock fracture damage process was quantitatively analyzed. The results show that the damage index of the rock sample has an obvious rate effect. At the same number of cycles, as the loading rate increases, the damage index decreases. For the pre-peak cyclic loading condition, the fracture process of rock from elastic stage to elastic-plastic stage can be well reflected by DE. Under the condition of post-peak cyclic loading, DL can better represent the fracture damage process of rock from step up to continuous failure.

Key words： cyclic loading; rock fracture; damage index; acoustic emission; effective fracture length

Cite this article

TANG Jianhui, CHEN Xudong, BAI Yin . Fracture Damage Characteristics of Rock Under Pre-Peak and Post-Peak Cyclic Loading Condition[J]. Journal of Shanghai Jiaotong University, 2022 , 56(12) : 1700 -1709 . DOI: 10.16183/j.cnki.jsjtu.2021.119

References

[1] 唐胡丹, 朱明礼, 朱珍德. 不等幅循环荷载下石灰岩局部微裂隙三维扩展及劣变非线性机制[J]. 岩石力学与工程学报, 2021, 40(6): 1170-1185.
[1] TANG Hudan, ZHU Mingli, ZHU Zhende. Three-dimensional propagation of local micro-cracks and non-linear mechanism of deterioration in limestone under variable amplitude cyclic loading[J]. Chinese Journal of Rock Mechanics and Engineering, 2021, 40(6): 1170-1185.
[2] MUNOZ H, TAHERI A. Postpeak deformability parameters of localized and nonlocalized damage zones of rocks under cyclic loading[J]. Geotechnical Testing Journal, 2019, 42(6): 1663-1684.
[3] 郭印同, 赵克烈, 孙冠华, 等. 周期荷载下盐岩的疲劳变形及损伤特性研究[J]. 岩土力学, 2011(5): 77-83.
[3] GUO Yintong, ZHAO Kelie, SUN Guanhua, et al. Experimental study of fatigue deformation and damage characteristics of salt rock under cyclic loading[J]. Rock and Soil Mechanics, 2011(5): 77-83.
[4] 郭喜峰, 尹健民, 晏鄂川, 等. 不同卸荷速率下变质石英砂岩力学性质试验分析[J]. 上海交通大学学报, 2016, 50(1): 78-83.
[4] GUO Xifeng, YIN Jianmin, YAN Echuan, et al. Mechanical property test at different unloading velocities of metamorphic quartz sandstone[J]. Journal of Shanghai Jiao Tong University, 2016, 50(1): 78-83.
[5] 刘振, 杨圣奇, 柏正林, 等. 循环加卸载下闪长玢岩蠕变特性及损伤本构模型[J]. 工程科学学报, 2022, 44(1): 143-151.
[5] LIU Zhen, YANG Shengqi, BAI Zhenglin, et al. Creep property and damage constitutive model of dioritic porphyrite under cyclic loading-unloading[J]. Chinese Journal of Engineering, 2022, 44(1): 143-151.
[6] TL A, XP A, DW A, et al. Nonlinear behavior and damage model for fractured rock under cyclic loading based on energy dissipation principle[J]. Engineering Fracture Mechanics, 2019, 206: 330-341.
[7] GHAMGOSAR M, ERARSLAN N. Experimental and numerical studies on development of fracture process zone (fpz) in rocks under cyclic and static loadings[J]. Rock Mechanics and Rock Engineering, 2016, 49(3): 893-908.
[8] 李文帅, 王连国, 陆银龙, 等. 真三轴条件下砂岩强度、变形及破坏特征试验研究[J]. 采矿与安全工程学报, 2019, 36(1): 191-197.
[8] LI Wenshuai, WANG Lianguo, LU Yinlong, et al. Experimental investigation on the strength, deformation and failure characteristics of sandstone under true triaxial compression[J]. Journal of Mining & Safety Engineering, 2019, 36(1): 191-197.
[9] XU J, LI S C, TAO Y Q, et al. Acoustic emission characteristic during rock fatigue damage and failure[J]. Procedia Earth Planet Science, 2009, 1(1): 556-559.
[10] 王德咏, 吴刚, 葛修润. 高温作用后石灰岩受压破裂过程的声发射试验研究[J]. 上海交通大学学报, 2011, 45(5): 743-748.
[10] WANG Deyong, WU Gang, GE Xiurun. Acoustic emission characteristics of limestone during compression and fracture after high temperature[J]. Journal of Shanghai Jiao Tong University, 2011, 45(5): 743-748.
[11] MUNOZ H, TAHERI A, CHANDA E K. Pre-peak and post-peak rock strain characteristics during uniaxial compression by 3D digital image correlation[J]. Rock Mechanics and Rock Engineering, 2016, 49(7): 2541-2554.
[12] 邢灏喆, 王明洋, 范鹏贤, 等. 基于高速3D-DIC技术的砂岩动力特性粒径效应研究[J]. 爆炸与冲击, 2021, 41(11): 46-57.
[12] XING Haozhe, WANG Mingyang, FAN Pengxian, et al. Grain-size effect on dynamic behavior of sandstone based on high-speed 3D-DIC technique[J]. Explosion and Shock Waves, 2021, 41(11): 46-57.
[13] 李莹, 陈亮, 刘建锋, 等. 饱水与晶体粒度对北山花岗岩断裂韧度影响的试验研究[J]. 岩石力学与工程学报, 2018, 37 (Sup.1): 3169-3177.
[13] LI Ying, CHEN Liang, LIU Jianfeng, et al. Experimental study on influence of saturation process and grain size on the fracture toughness of the Beishan granite[J]. Chinese Journal of Rock Mechanics and Engineering, 2018, 37 (Sup.1): 3169-3177.
[14] 王子辉, 周宏伟, 安露, 等. 循环加卸载下花岗岩破裂过程及能量演化研究[J]. 中国矿业大学学报, 2020, 49(5): 874-881.
[14] WANG Zihui, ZHOU Hongwei, AN Lu, et al. Failure process characteristics and energy evolution of granite under cyclic loading and unloading condition[J]. Journal of China University of Mining & Technology, 2020, 49(5): 874-881.
[15] XIAO J Q, DING D X, JIANG F L, et al. Fatigue damage variable and evolution of rock subjected to cyclic loading[J]. International Journal of Rock Mechanics & Mining Sciences, 2010, 47(3): 461-468.
[16] MENG Q, ZHANG M, HAN L, et al. Acoustic emission characteristics of red sandstone specimens under uniaxial cyclic loading and unloading compression[J]. Rock Mechanics and Rock Engineering, 2018, 51(4), 969-988.
[17] 纪维伟, 潘鹏志, 苗书婷, 等. 基于数字图像相关法的两类岩石断裂特征研究[J]. 岩土力学, 2016, 37(8): 2299-2305.
[17] JI Weiwei, PAN Pengzhi, MIAO Shuting, et al. Fracture characteristics of two types of rocks based on digital image correlation[J]. Rock and Soil Mechanics, 2016, 37(8): 2299-2305.
[18] 吕琪, 高经武, 武晋文, 等. 基于数字图像相关方法的鲁灰花岗岩断裂特性研究[J]. 实验力学, 2018, 33(4): 627-633.
[18] LV Qi, GAO Jingwu, WU Jinwen, et al. Study of fracture characteristics of Lu-grey granite based on digital image correlation method[J]. Journal of Experimental Mechanics, 2018, 33(4): 627-633.
[19] SONG H, HAO Z, FU D, et al. Experimental analysis and characterization of damage evolution in rock under cyclic loading[J]. International Journal of Rock Mechanics & Mining Sciences, 2016, 88: 157-164.
[20] SONG H, ZHANG H, KANG Y, et al. Damage evolution study of sandstone by cyclic uniaxial test and digital image correlation[J]. Tectonophysics, 2013, 608: 1343-1348.
[21] GUO M, ALAM S Y, BENDIMERAD A Z, et al. Fracture process zone characteristics and identification of the micro-fracture phases in recycled concrete[J]. Engineering Fracture Mechanics, 2017, 181: 101-115.
[22] HILLERBORG A, MODéER M, PETERSSON P E. Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements[J]. Cement Concrete Research, 1976, 6(6): 773-781.
Options
Outlines

/

〈 〉