基于差异进化算法反演参数的隧道稳定性分析
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摘要
在隧道和地下工程弹性问题的位移反分析中,当基本未知数多于三个时,在各参数可能的变化范围内找到一组使误差最小的最佳参数的优化反分析方法是当前岩土工程反分析研究的热点问题。论文结合一种新型的优化算法(差异进化算法),依托摩天岭1#斜井隧道工程施工,跟踪施工进行了典型断面围岩位移监测,以现场量测位移作为基础信息求得了斜井隧道全局最优值的最佳力学参数组合。根据以上采用差异进化算法求得的反演参数,对摩天岭1#斜井隧道单层衬砌支护稳定性进行了三维数值模拟分析,分析表明,摩天岭1#斜井隧道III级围岩段喷15 cm厚钢纤维混凝土支护后,斜井隧道围岩最小应力明显降低,围岩位移明显减小,因此建议摩天岭1#斜井洞身段III级采用15 cm厚度的钢纤维喷射混凝土单层衬砌。以上研究直接指导了摩天岭隧道单层衬砌设计和施工。
In the tunnel and underground engineering elastic displacement back analysis calculations,it is the current hot point to find out the optimized parameters group that makes minimal error within the possible range of each parameter when the basic unknown parameters are more than three.The paper relying on the tunnel construction of Motianling 1# inclined shaft,monitored surrounding rock displacements of a typical section in construction process and applied a new optimization algorithm(differential evolution algorithm) to obtained the best combination of mechanical parameters of surrounding rock.According to above parameters obtained by differential evolution algorithm,we carried out numerical simulation analysis of the stability of single shell lining of Motianling 1# inclined tunnel by using 3D geotechnical engineering software,which can provide necessary guidance for the construction and design of tunnel.
In the tunnel and underground engineering elastic displacement back analysis calculations,it is the current hot point to find out the optimized parameters group that makes minimal error within the possible range of each parameter when the basic unknown parameters are more than three.The paper relying on the tunnel construction of Motianling 1# inclined shaft,monitored surrounding rock displacements of a typical section in construction process and applied a new optimization algorithm(differential evolution algorithm) to obtained the best combination of mechanical parameters of surrounding rock.According to above parameters obtained by differential evolution algorithm,we carried out numerical simulation analysis of the stability of single shell lining of Motianling 1# inclined tunnel by using 3D geotechnical engineering software,which can provide necessary guidance for the construction and design of tunnel.
引文
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[12]张娇.基于差异进化的岩土工程参数反分析[D].大连海事大学硕士论文,2008.(Zhang Jiao.Backanalysis of geotechnical parameters based on differenti-al evolution[D].Master dissertation o f Dalian Mari-time University,2008.(in Chinese))
[13]刘新荣,祝云华,李晓红,等.隧道钢纤维喷射混凝土单层衬砌试验研究[J].岩土力学,2009,30(8):2 319-2 323(Liu Xinrong,Zhu Yunhua,Li Xiaohong,et al.Experimental research on single-layer tunnel lin-ing of steel fiber shotcrete[J].Rock and Soil Mechan-ics,2009,30(8):2 319-2 323.(in Chinese))
[14]杜国平,李晓红,宋战平.纤维喷射混凝土单层衬砌施工技术探讨[J].公路交通科技(应用技术版),2010,(9):8-12.(Du GuoPing,Li XiaoHong,SongZhanping.Fibre shotcrete single lining constructiontechnology to explore,Highway traffic technology,2010,(9):8-12.(in Chinese))
[15]祝云华.钢纤维喷射混凝土力学特性及其在隧道单层衬砌中的应用研究[D].重庆大学,2009.(ZhuYunhua.Study on Mechanical Characteristics of SteelFiber Reinforced Shotcrete and Its Application in Sin-gle Layer Tunneling Lining[D].University OfChongqing,2009.(in Chinese))
[16]范新,章克凌,王明洋,等.钢纤维喷射混凝土支护抗常规爆炸震塌能力[J].岩石力学与工程学报,2006,25(7):1 437-1 442.(Fan Xin,ZhangKeling,Wang Mingyang,et al.Study on spalling re-sistance performance of steel fiber shotcrete induced byconventional explosions[J].Chinese Journal of RockMechanics and Engineering,2006,25(7):1 437-1 442.(in Chinese))
[17]Nnankorn P,Horii H.A fracture-mechanics-based de-sign method for SFRC tunnel linings[J].Tunnelingand Underground Space Technology,1996,11(1):39-43.
[18]Tagnit-hamou A,Vanhove Y,Petrov N.Micro-struc-tural analysis of the bond mechanism between polyole-fin fibers and cement pastes[J].Cement and ConcreteResearch,2005,35:364-37.
[19]唐燕林.钢纤维喷射混凝土试验研究[J].矿业研究与开发,2003,23(6):40-41.(Tang Yanlin.Ex-perimental study on steel fiber reinforced shotcrete[J].Mining Research and Development,2003,23(6):40-41.(in Chinese))
[2]冯夏庭.智能岩石力学导论[M].北京:科学出版社,2000.(Feng Xiating.Introduction of intelligent rockmechanics[M].Beijing:Science Press,2000.(inChinese))
[3]Tezuka M,Seoka T.Latest technology of undergroundrock cavern excavation in Japan[J].Tunnel ling andUnderground Sp ace Technology,2003,18(2/3):127-144.
[4]SAKURAI S,TAKEUCHI K.Back analysis of meas-ured displacements of tunnels[J].Rock Mechanics andRock Engineering,1983,16:173-180.
[5]PIERPAOLO ORESTE.Back analysis techniques for theimprovement of the understanding of rock in under-ground constructions[J].Tunneling and UndergroundSpace Technology,2005,(20):7-21.
[6]杨志法,王思敬,冯紫良.岩土工程反分析原理及应用[M].北京:地震出版社,2002.(Yang Zhifa,Wang Sijing,Feng Ziliang.The back analysis principlean d application of rock and soil engineering[M].Beijing:Seismic Press,2002.(in Chinese))
[7]张志增,李仲奎.横观各向同性岩体中圆形巷道反分析的惟一性[J].岩土力学,2011,32(7):2066-2 072.(Zhang Zhizeng,Li Zhongkui.Uniqueness ofdisplacement back analysis of a circular tunnel in trans-versely isotropic rock mass[J].Rock and Soil Mechan-ics,2011,32(7):2066-2072.(in Chinese))
[8]文建华,吴代华,陈军明,等.地下洞室黏弹性位移反分析模式分层运算[J].岩土力学,2010,31(3):967-970.(Wen Jianhua,Wu Daihua,Chen Junming,et al.Parameter inversion of visco-elastic cavern dis-placements based on hierarchical pattern search[J].Rock and Soil Mechanics,2010,31(3):967-970.(inChinese))
[9]杨成祥,冯夏庭,刘红亮.非线性位移时间序列分析模型的进化识别[J].东北大学学报(自然科学版),2004,25(5):494-497.(Yang Chengxiang,Feng Xiat-ing,Liu Hongliang.The evolutionary identifying of non-linear displacement time series analysis model[J].Journal of Northeastern University(Natural Science),2004,25(5):494-497.(in Chinese))
[10]Dervis K,Selcuk O.A simple and global optimizationalgorithm for engineering problems[J].Turk J Ele-cEngin,2004,12(1):53-60.
[11]S.Sakurai and K.Takeuchi.Back Analysis of Meas-ured Displacements of Tunnels[J].Rock Mechanicsand Rock Engineering,1983,16:173-180.
[12]张娇.基于差异进化的岩土工程参数反分析[D].大连海事大学硕士论文,2008.(Zhang Jiao.Backanalysis of geotechnical parameters based on differenti-al evolution[D].Master dissertation o f Dalian Mari-time University,2008.(in Chinese))
[13]刘新荣,祝云华,李晓红,等.隧道钢纤维喷射混凝土单层衬砌试验研究[J].岩土力学,2009,30(8):2 319-2 323(Liu Xinrong,Zhu Yunhua,Li Xiaohong,et al.Experimental research on single-layer tunnel lin-ing of steel fiber shotcrete[J].Rock and Soil Mechan-ics,2009,30(8):2 319-2 323.(in Chinese))
[14]杜国平,李晓红,宋战平.纤维喷射混凝土单层衬砌施工技术探讨[J].公路交通科技(应用技术版),2010,(9):8-12.(Du GuoPing,Li XiaoHong,SongZhanping.Fibre shotcrete single lining constructiontechnology to explore,Highway traffic technology,2010,(9):8-12.(in Chinese))
[15]祝云华.钢纤维喷射混凝土力学特性及其在隧道单层衬砌中的应用研究[D].重庆大学,2009.(ZhuYunhua.Study on Mechanical Characteristics of SteelFiber Reinforced Shotcrete and Its Application in Sin-gle Layer Tunneling Lining[D].University OfChongqing,2009.(in Chinese))
[16]范新,章克凌,王明洋,等.钢纤维喷射混凝土支护抗常规爆炸震塌能力[J].岩石力学与工程学报,2006,25(7):1 437-1 442.(Fan Xin,ZhangKeling,Wang Mingyang,et al.Study on spalling re-sistance performance of steel fiber shotcrete induced byconventional explosions[J].Chinese Journal of RockMechanics and Engineering,2006,25(7):1 437-1 442.(in Chinese))
[17]Nnankorn P,Horii H.A fracture-mechanics-based de-sign method for SFRC tunnel linings[J].Tunnelingand Underground Space Technology,1996,11(1):39-43.
[18]Tagnit-hamou A,Vanhove Y,Petrov N.Micro-struc-tural analysis of the bond mechanism between polyole-fin fibers and cement pastes[J].Cement and ConcreteResearch,2005,35:364-37.
[19]唐燕林.钢纤维喷射混凝土试验研究[J].矿业研究与开发,2003,23(6):40-41.(Tang Yanlin.Ex-perimental study on steel fiber reinforced shotcrete[J].Mining Research and Development,2003,23(6):40-41.(in Chinese))
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