Research on the damage and fracture characteristics of red sandstone under the coupling effect of triaxial confining pressure and liquid oxygen blasting load
WANG Yanbing1, ZHANG Fangping1, LI Shouye2,3, PENG Huichun4, LEI Zhen5
1. School of Mechanics and Civil Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China; 2. Zijin Mining Group Co., Ltd., Shanghang 364024, Fujian, China; 3. Xinjiang Zijin Zinc Industry Co., Ltd., Uqia 845450, Xinjiang, China; 4. China Gezhouba Group No.3 Engineering Co., Ltd., Xi'an 710077, Shaanxi, China; 5. Guizhou Institute of Technology, Guiyang 550025, Guizhou, China
Abstract: To address the deficiencies in the theoretical analysis of confining pressure coupling effects in liquid oxygen blasting technology, field experiments and LS-DYNA numerical simulations were combined. A hydraulic true triaxial loading system was employed to systematically investigate the damage evolution patterns of red sandstone specimens. The results demonstrated that blasting effectiveness was significantly influenced by confining pressure. Under unconfined conditions, cracks were elongated and dispersed. As confining pressure was increased, crack propagation was suppressed, blasting energy was concentrated, crack directions were clarified, and crack quantities were reduced. The funnel effect at specimen bases was affected by multiple factors, and geometric parameters were altered by confining pressure. Strain peaks were correlated with failure phenomena, and strain growth was inhibited under elevated confining pressures. Through numerical simulations, stress and damage evolution in rock masses were further revealed. Confining pressure was shown to suppress damage propagation, reduce peak energy concentrations around boreholes, and slow energy attenuation. This study elucidated the critical regulatory role of confining pressure on damage-fracture characteristics in liquid oxygen blasting, providing theoretical foundations and practical references for blasting in deep high-stress rock masses.
王雁冰,张芳平,李守业,彭会椿,雷振. 三向围压与液氧爆破荷载耦合作用下红砂岩损伤破裂特征研究[J]. 隧道与地下工程灾害防治, 2025, 7(3): 58-71.
WANG Yanbing, ZHANG Fangping, LI Shouye, PENG Huichun, LEI Zhen. Research on the damage and fracture characteristics of red sandstone under the coupling effect of triaxial confining pressure and liquid oxygen blasting load. Hazard Control in Tunnelling and Underground Engineering, 2025, 7(3): 58-71.
[1] 杨阳, 杨仁树, 陈骏, 等. 岩石爆破基础理论研究进展与展望Ⅰ—本构关系[J]. 工程科学学报, 2024, 46(11): 1931-1947. YANG Yang, YANG Renshu, CHEN Jun, et al. Advancements and future prospects in the fundamental theories of rock blasting research Ⅰ: constitutive relationships[J]. Chinese Journal of Engineering, 2024, 46(11): 1931-1947. [2] 郭子洋, 唐海, 袁刚, 等. 地应力影响下立井爆破扩掘岩石块度形态[J]. 科学技术与工程, 2024, 24(30): 12909-12919. GUO Ziyang, TANG Hai, YUAN Gang, et al. Rock size shape of vertical shaft blasting excavation under the influence of in situ stress[J]. Science Technology and Engineering, 2024, 24(30): 12909-12919. [3] 谢和平. 深部岩体力学与开采理论研究进展[J]. 煤炭学报, 2019, 44(5): 1283-1305. XIE Heping. Research review of the state key research development program of China: deep rock mechanics and mining theory[J]. Journal of China Coal Society, 2019, 44(5): 1283-1305. [4] 赵国军, 何斌, 黎鸣, 等. 爆破载荷作用下围岩裂隙发展特征试验研究[J]. 科学技术与工程, 2022, 22(4): 1376-1382. ZHAO Guojun, HE Bin, LI Ming, et al. Experimental research on development characteristics of surrounding rock fissures under blasting load[J]. Science Technology and Engineering, 2022, 22(4): 1376-1382. [5] 吴延梦, 李洪伟, 苏洪, 等. 单向围压下切槽爆破裂纹扩展规律研究[J]. 高压物理学报, 2023, 37(6): 129-139. WU Yanmeng, LI Hongwei, SU Hong, et al. Crack propagation law of notch blasting under unidirectional confining pressure[J]. Chinese Journal of High Pressure Physics, 2023, 37(6): 129-139. [6] 王峥, 郭佳奇, 高锋辉, 等. 单轴压缩条件下软硬互层类岩石的声发射特性与裂纹类型演化[J]. 高压物理学报, 2024, 38(6): 37-51. WANG Zheng, GUO Jiaqi, GAO Fenghui, et al. Acoustic emission characteristics and crack types evolution of soft and hard interbedded rock-like specimens under uniaxial compression[J]. Chinese Journal of High Pressure Physics, 2024, 38(6): 37-51. [7] 傅师贵, 刘泽功, 张健玉, 等. 高地应力下岩体控制爆破机理与损伤演化特征研究[J]. 采矿与安全工程学报, 2024, 41(4): 867-878. FU Shigui, LIU Zegong, ZHANG Jianyu, et al. Study on mechanism controlled blasting and damage evolution of rock mass under high ground stress[J]. Journal of Mining and Safety Engineering, 2024, 41(4): 867-878. [8] 许鹏, 杨仁树, 陈程, 等. 岩石爆破基础理论研究进展与展望Ⅲ: 波纹关系[J]. 工程科学学报, 2025, 47(1): 1-12. XU Peng, YANG Renshu, CHEN Cheng, et al. Advancements and future prospects in the fundamental theories of rock blasting research Ⅲ: interaction mechanism between blast waves and cracks[J]. Chinese Journal of Engineering, 2025, 47(1): 1-12. [9] 杨帅, 刘泽功, 张健玉, 等. 爆炸荷载作用下深部煤体损伤特征试验研究[J]. 振动与冲击, 2024, 43(19):276-286. YANG Shuai, LIU Zegong, ZHANG Jianyu, et al. Test study on damage features of deep coal body under explosive load[J]. Journal of Vibration and Shock, 2024, 43(19): 276-286. [10] 黄昌满, 王杰, 吕加贺. 不同围压下的椭圆双极线性聚能管聚能爆破数值模拟[J]. 土木工程与管理学报, 2023, 40(3): 131-135. HUANG Changman, WANG Jie, LÜ Jiahe. Numerical simulation of elliptical bipolar linear shaped charge blasting under confining pressure[J]. Journal of Civil Engineering and Management, 2023, 40(3): 131-135. [11] 黄永辉, 占宇飞, 张洪波, 等. 极高地应力条件下光面爆破围岩损伤规律研究[J]. 振动与冲击, 2025, 44(6): 104-112. HUANG Yonghui, ZHAN Yufei, ZHANG Hongbo, et al. Damage patterns of surrounding rock under high-stress conditions in smooth blasting[J]. Journal of Vibration and Shock, 2025, 44(6): 104-112. [12] 张鑫, 刘泽功, 常帅, 等. 爆破荷载作用下煤岩本构模型参数特性研究[J]. 振动与冲击, 2025, 44(5): 263-277. ZHANG Xin, LIU Zegong, CHANG Shuai, et al. Parametric characteristics of coal rock constitutive model under blasting load[J]. Journal of Vibration and Shock, 2025, 44(5): 263-277. [13] MINH N N, CAO P, LIU Z Z. Contour blasting parameters by using a tunnel blast design mode[J].Journal of Central South University, 2021, 28(1):100-111. [14] LIANG Z Z, QIAN X K, ZHANG Y F, et al. Numerical simulation of dynamic fracture properties of rocks under different static stress conditions[J]. Journal of Central South University, 2022, 29(2): 624-644. [15] 朱长江. 新型爆破掘进施工方式与常规爆破施工方式的对比[J]. 科技创新与生产力, 2024(8): 137-138. ZHU Changjiang. Comparison of new blasting construction methods and conventional blasting construction methods[J]. Sci-Tech Innovation and Productivity, 2024(8): 137-138. [16] 张太林, 于世杰, 杨志彬, 等. 液氧致裂爆破技术在露天矿山的应用[J]. 现代矿业, 2024, 40(7): 249-251. ZHANG Tailin, YU Shijie, YANG Zhibin, et al. Application of liquid oxygen cracking blasting technology in an open-pit mine[J]. Modern Mining, 2024, 40(7): 249-251. [17] 雷振, 王雁冰, 付代睿, 等. 基于液氧储能的岩石破碎技术研究[J]. 爆破, 2025, 42(1):151-158. LEI Zhen, WANG Yanbing, FU Dairui, et al. Research on rock fracturing technology based on liquid oxygen energy storage [J]. Blasting, 2025, 42(1): 151-158. [18] 李国良. 新型气体膨胀技术在隧洞开挖工程中初步应用分析[J]. 凿岩机械气动工具, 2024, 50(1):53-60. LI Guoliang. Preliminary application analysis of new gas expansion technology in tunnel excavation engineering[J]. Rock Drilling Machinery & Pneumatic Tools, 2024, 50(1):53-60. [19] 方莹, 李国良, 朱振海, 等. 液氧相变气体膨胀技术在隧洞开挖中的应用研究[J]. 爆破, 2024, 41(2):232-237. FANG Ying, LI Guoliang, ZHU Zhenhai, et al. Application of liquid-oxygen phase change gas expansion technology in tunnel excavation[J]. Blasting, 2024, 41(2): 232-237.
2025, Vol. 7 
