单向约束条件下摆锤冲击对煤岩损伤的影响

doi:10.13722/j.cnki.jrme.2017.0644

Abstract
Figure/Table
References (23)
Related Citation (15)

Download: PDF (467 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract

The influence of uniaxial static load and cyclic impulse on the damage of coal rock is studied by using the restraint pendulum impact dynamic loading test device and the ultrasonic testing device. A damage model of coal rock microfracture is established，and the criterion of coal and rock damage is given. The damage amount of coal rock increases with the increase of impact load and decreases with the increase of static load. Experimental results show that the coal rock damage amount is a cumulative effect，the damage increases with the increase of impact times；the same total impulse effect on coal rock，cumulative damage cumulative amount of damage formation was significantly greater than the increase of constant impulse；incremental impact，coal rock cracks accelerated expansion，coal has accelerated destroy the trend of constant impulse impact，coal rock cracks of coal rock have to slow down the expansion，the trend with the increase of damage reduction；static axial pressure，the change of coal rock damage amount is easing，cumulative damage reduction，increase the anti shock capability of coal rock destroyed the need to impose impact times increased.

Key words： rock mechanics coal rock unilateral constrain incremental impact load damage degree

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	ZHAO Hongbao1
	2
	3
	JU Nansong1
	WANG Feihu1
	ZHANG Mian1
	WANG Hongbing1

Cite this article:

ZHAO Hongbao1,2,3, et al. Influence of pendulum impact on coal rock damage under unilateral constraints[J]. , 2018, 37(S2): 4047-4055.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2017.0644 OR https://rockmech.whrsm.ac.cn/EN/Y2018/V37/IS2/4047

[1]	李夕兵，宫凤强，高科，等. 一维动静组合加载下岩石冲击破坏试验研究[J]. 岩石力学与工程学报，2010，29(2)：251-260.(LI Xibing，GONG Fengqiang，GAO Ke，et al. Experimental study of dynamic characteristics of sandstone under one-dimensional coupled static and dynamic loads[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(2)：251-260.(in Chinese))
[2]	左宇军，李夕兵，唐春安，等. 二维动静组合加载下岩石破坏的试验研究[J]. 岩石力学与工程学报，2006，25(9)：1 809-1 820.(ZUO Yujun，LI Xibing，TANG Chun¢an，et al. Study of rock mechanical characteristics under coupled static and dynamic loads[J]. Chinese journal of Rock Mechanics and Engineering，2006，25(9)：1 809- 1 820.(in Chinese))
[3]	宫凤强，李夕兵，刘希灵. 三维动静组合加载下岩石力学特性试验初探[J]. 岩石力学与工程学报，2011，30(6)：1 179-1 190.(GONG Fengqiang，LI Xibing，LIU Xiling，et al. Experimental investigation on failure of rock subjected to 2D dynamic-static coupling loading[J] Chinese Journal of Rock Mechanics and Engineering，2011，30(6)：1 179-1 190.(in Chinese))
[4]	黎立云，徐志强，谢和平，等. 不同冲击速度下岩石破坏能量规律的实验研究[J]. 煤炭学报，2011，36(12)：2 007-2 011.(LI Liyun，XU Zhiqiang，XIE Heping，et al. Failure experimental study on energy laws of rock under differential dynamic impact velocities[J]. Journal of China Coal Society，2011，36(12)：2 007-2011.(in Chinese))
[5]	金解放，李夕兵，王观石，等. 循环冲击载荷作用下砂岩破坏模式及其机理[J]. 中南大学学报：自然科学版，2012，43(4)：1 453- 1 461.(JIN Jiefang，LI Xibing，WANG Guanshi，et al. Failure modes and mechanisms of sandstone under cyclic impact loadings[J]. Journal ofCentral South University：Science and Technology，2012，43(4)：1 453-1 461.(in Chinese))
[6]	金解放，钟海兵，吴越，等. 静载荷与循环冲击作用下岩石损伤变量定义方法的选择[J]. 有色金属科学与工程，2013，4(4)：85-90.(JIN Jiefang，ZHONG Haibing，WU Yue，et al. Method selection for defining damage variable of rock subjected to static loadings and cyclic impacts[J]. Nonferrous Metals Science and Engineering，2013，4(4)：85-90.(in Chinese))
[7]	赵洪宝，王中伟，张欢，等. 冲击荷载对煤岩内部微结构演化及表面新生裂隙分布规律的影响[J]. 岩石力学与工程学报，2016，35(5)：971-979.(ZHAO Hongbao，WANG Zhongwei，ZHANG Huan，et al. Effects of dynamic loads on development of internal microstructure and distribution of new surface fractures of coal[J]. ChineseJournal of Rock Mechanics and Engineering，2016，35(5)：971-979.(in Chinese))
[8]	宋义敏，杨小彬. 煤破坏过程中的温度演化特征实验研究[J]. 岩石力学与工程学报，2013，32(7)：1 344-1 349.(SONG Yimin，YANG Xiaobin. Experiment study of temperature evolution characteristics during deformation and destruction process of coal[J]. Chinese Journal of Rock Mechanics and Engineering，2013，32(7)：1344-1349.(in Chinese))
[9]	李夕兵，翁磊，谢晓锋，等. 动静载荷作用下含孔洞硬岩损伤演化的核磁共振特性试验研究[J]. 岩石力学与工程学报，2015，34(10)：1 985-1 993.(LI Xibing，WENG Lei，XIE Xiaofeng，et al. Study on the degradation of hard rock with a pre-existing opening under static-dynamic loadings using nuclear magnetic resonance technique[J]. Chinese Journal of Rock Mechanics and Engineering，2015，34(10)：1985-1993.(in Chinese))
[10]	周科平，李杰林，许玉娟，等. 基于核磁共振技术的岩石孔隙结构特征测定[J]. 中南大学学报：自然科学版，2012，43(12)：4 796-4 800.(ZHOU Keping，LI Jielin，XU Yujuan，et al. Measurement of rock pore structure based on NMR technology[J]. Journal of Central South University：Science and Technology，2012，43(12)：4 796- 4800.(in Chinese))
[11]	裴建良，刘建锋，左建平，等. 基于声发射定位的自然裂隙动态演化过程研究[J]. 岩石力学与工程学报，2013，32(4)：696-704.(PEI Jianliang，LIU Jianfeng，ZUO Jianping，et al. Investigation on dynamic evolution process of natural fractures based on acoustic emission position[J]. Chinese Journal of Rock Mechanics and Engineering，2013，32(4)：696-704.(in Chinese))
[12]	姜永东，鲜学福，尹光志，等. 岩石应力应变全过程的声发射及分形与混沌特征[J]. 岩土力学，2010，31(8)：2 413-2 418.(JIANG Yongdong，XIAN Xuefu，YIN Guangzhi，et al. Acoustic emission，fractal and chaos characters in rock stress-strain procedure[J]. Rock and Soil Mechanics，2010，31(8)：2 413-2 418.(in Chinese))
[13]	殷正钢. 岩石破坏过程中的声发射特征及其损伤实验研究[硕士学位论文][D]. 长沙：中南大学，2005.(YIN Zhenggang. Experimental study on acoustic emission and damage during the failure of rock central[M. S. Thesis][D]. Changsha：South University，2005.(in Chinese))
[14]	马立强，李奇奇，曹新奇，等. 煤岩受压过程中内部红外辐射温度变化特征研究[J]. 中国矿业大学学报，2013，42(3)：331-336.(MA Liqiang，LI Qiqi，CAO Xinqi，et al. Variation characteristics of internal infrared radiation temperature of coal-rock mass in compression process[J]. Journal of China University of Mining and Technology，2013，42(3)：331-336.(in Chinese))
[15]	魏嘉磊. 岩石破裂过程红外与声发射联合监测实验研究[硕士学位论文][D]. 沈阳：东北大学，2014.(WEI Jialei. Experimental study on joint monitoring with infrared and AE technology in rock failure process[M. S. Thesis][D]. Shenyang：Northeastern University，2014.(in Chinese))
[16]	朱万成，唐春安，黄志平，等. 静态和动态载荷作用下岩石劈裂破坏模式的数值模拟[J]. 岩石力学与工程学报，2005，24(1)：1-7.(ZHU Wancheng，TANG Chun¢an，HUANG Zhiping，et al. Numerical simulation on splitting failure mode of rock under static and dynamic loadings[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(1)：1-7.(in Chinese))
[17]	杨小林，王树仁. 岩石爆破损伤及数值模拟[J]. 煤炭学报，2000，25(1)：21-25.(YANG Xiaolin，WANG Shuren. Rock damage by blasting and its numerical simulation[J]. Journal of China Coal Society，2000，25(1)：21-25.(in Chinese))
[18]	宋义敏，马少鹏，杨小彬，等. 岩石变形破坏的数字散斑相关方法研究[J]. 岩石力学与工程学报，2011，30(1)：170-175.(SONG Yimin，MA Shaopeng，YANG Xiaobin，et al. Experimental investigation on failure of rock by digital speckle correlation methods[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(1)：170-175.(in Chinese))
[19]	刘齐建，杨林德，曹文贵. 岩石统计损伤本构模型及其参数反演[J]. 岩石力学与工程学报，2005，24(4)：616-621.(LIU Qijian，YANG Linde，CAO Wengui. Statistical damage constitutive model for rock and back analysis of its parameters[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(4)：616-621.(in Chinese))
[20]	杨更社，孙钧，谢定义. 岩石损伤检测技术及进展[J]. 煤炭学报，1998，(4)：67-71.(YANG Gengshe，SUN Jun，XIE Dingyi. Damage measurement technique and development of rock[J]. Journal of China Coal Society，1998，(4)：67-71.(in Chinese))
[21]	赵明阶，吴德伦. 单轴加载条件下岩石声学参数与应力的关系研究[J]. 岩石力学与工程学报，1999，18(1)：51-55.(ZHAO Mingjie，WU Delun. Ultrasonic velocity and attenuation of rock under uniaxial loading[J]. Chinese Journal of Rock Mechanics and Engineering，1999，18(1)：51-55.(in Chinese))
[22]	林大能，陈寿如. 循环冲击荷载作用下岩石损伤规律的试验研究[J]. 岩石力学与工程学报，2005，24(22)：4 094-4 098.(LIN Daneng，CHEN Shouru. Experimental study on damage evolution law of rock under cyclical impact loadings[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(22)：4 094-4 098.(in Chinese))
[23]	唐家兵. 摆锤冲击试验中等效质量的设计与研究[J]. 汽车实用技术，2014，(1)：5-7.(TANG Jiabing. Design and research pendulum impact test equivalent quality[J]. Automobile Applied Technology，2014，(1)：5-7.(in Chinese))