王红彬,沈德虎,石焱炯,李毅

• 1:中国三峡建设管理有限公司

摘要(Abstract)：

依托于白鹤滩水电站地下厂房工程,通过不断优化与调整岩壁梁开挖爆破程序和方法,以减小爆破扰动、促进应力分区释放、降低卸荷破坏程度。地下厂房开挖采取竖向分层、水平分区,针对岩壁梁区域及其上、下层围岩分别制定精细化开挖爆破措施,分区、分序实施,研发岩台区临时面喷射钢纤维混凝土、设置树脂锚杆等预支护技术、岩台及时支护等防卸荷破坏技术,保证了岩台成型质量,形成一整套适用于跨度大、地应力高、卸荷破坏严重的大型地下洞室岩壁梁开挖爆破施工工艺。

关键词(KeyWords)： 白鹤滩水电站;岩壁梁;开挖爆破;卸荷破坏

Abstract:

Keywords:

基金项目(Foundation): 中国长江三峡集团有限公司科研项目资助(JG/18037Y)

作者(Author): 王红彬,沈德虎,石焱炯,李毅

参考文献(References)：

• [1] 张必军.地下厂房岩壁吊车梁层采用的施工质量控制方法[J].四川水力发电,2019,38(S1):124-127.[1] ZHANG Bi-jun.Construction quality control method applied for rock wall crane beam layer of underground powerhouse[J].Sichuan Water Power,2019,38(S1):124-127.(in Chinese)
• [2] 苏展昭,王丰,胡兴汉,等.坚硬围岩条件下地下厂房岩壁吊车梁精细化开挖[J].人民长江,2019,50(S1):208-210.[2] SU Zhan-zhao,WANG Feng,HU Han-xing,et al.Individual excavation of rock wall crane beam in underground powerhouse under hard surrounding rock conditions[J].Yangtze River,2019,50(S1):208-210.(in Chinese)
• [3] 蔡彬,黄鹏辉.黄登水电站地下厂房岩壁吊车梁基础开挖技术[J].云南水力发电,2017,33(2):94-97.[3] CAI Bin,HUANG Peng-hui.Foundation excavation technology of rock wall crane beam in underground powerhouse of Huangdeng Hydropower Station[J].Yunan Water Power,2017,33(2):94-97.(in Chinese)
• [4] 蔡波,周勇,潘兵.大型地下厂房岩壁吊车梁开挖支护设计与稳定性分析[J].四川水利,2019,4(4):42- 47.(in Chinese)[4] CAI Bo,ZHOU Yong,PAN Bing.Design and stability analysis of excavation support of rock wall crane beam in large underground powerhouse[J].Sichuan Water Resources,2019,4(4):42- 47.(in Chinese)
• [5] 黄辉,叶秋强.雅砻江两河口水电站复杂地质情况下地下厂房岩壁吊车梁开挖质量控制施工技术[J].水利水电技术,2016,47(12):48-51.[5] HUANG Hui,YE Qiu-qiang.Construction technology for quality control of excavation of rock-bolted crane beam in underground powerhouse of Lianghekou Hydropower on Yalongjiang River under complicated geological condition [J].Water Resources and Hydropower Engineering,2016,47(12):48-51.(in Chinese)
• [6] 马雨峰,刘双华,王兰普.复杂地质条件下地下厂房岩壁吊车梁开挖质量控制措施[J].水电与抽水蓄能,2018,4(2):27-30.[6] MA Yu-feng,LIU Shuang-hua,WANG Pu-lanl.Quality control measures of rock wall crane beam excavation in underground powerhouse under complex geological conditions[J].Hydropower and Pumped Storage,2018,4(2):27-30.(in Chinese)
• [7] 樊启祥,王义锋,裴建良,等.大型水电工程建设岩石力学工程实践[J].人民长江,2018,49(16):76-86.[7] FAN Qi-xiang,WANG Yi-feng,PEI Jian-liang,et al.Engineering practice of rock mechanics in large-scale hydropower projects[J].Yangtze River,2018,49(16):76-86.(in Chinese)
• [8] 董源,裴向军,张引.白鹤滩水电站左岸主厂房洞室稳定性及主要变形破坏模式分析研究[J].中国农村水利水电,2018(10):96-135.[8] DONG Yuan,PEI Xiang-jun,ZHANG Yin.Research on the stability and main deformation failure mode of the main plant in the left bank of Baihetan Hydropower Station[J].China Rural Water and Hydropower,2018(10):96-135.(in Chinese)
• [9] 林宏,汪浩,刘俊松.中高地应力玄武岩地下洞室开挖成型研究[J].水利水电技术,2015,46(2):11-14.[9] LIN Hong,WANG Hao,LIU Jun-song.Study on excavation shaping of basalt underground chamber under medium-high ground stress[J].Water Resources and Hydropower Engineering,2015,46(2):11-14.(in Chinese)
• [10] 姚强岭,王伟男,孟国胜,等.树脂锚杆不同锚固长度锚固段受力特征试验研究[J].采矿与安全工程学报,2019,36(4):643- 649.[10] YAO Qiang-ling,WANG Wei-guo,MENG Guo-sheng,et al.Experimental study on mechanical characteristics of resin bolt anchoring section with different anchorage lengths [J].Journal of Mining and Safety Engineering,2019,36(4):643- 649.(in Chinese)
• [11] 王伸,李化敏,李东印,等.横肋对螺纹钢树脂锚杆荷载传递的影响[J].岩土力学,2018,39(8):1-10.[11] WANG Shen,LI Hua-min,LI Dong-yin,et al.The effect of rib on load transfer around thread steel resin bolt[J].Rock and Soil Mechanics,2018,39(8):1-10.(in Chinese)