特大断面车站隧道爆破开挖对地表建筑物的影响
|
摘要
对于采用钻爆法施工的城市隧道,不可避免地存在爆破开挖对邻近建筑物的影响问题。因此,研究爆破振动对地下洞室的影响,不仅具有重要的理论意义,同时也具有重要的工程意义。重庆轻轨大坪车站隧道最小埋深仅4m,最大跨度26.3m,地面人口密集,建筑物林立。采用浅眼多循环,分部开挖,增设周边减震眼及严格控制药量等措施,通过数值模拟爆破震动效果,并与实测结果对比来进行研究,有效地控制了爆破地震动强度,爆破对建筑物没有产生损坏,说明采用的隧道施工新方法和爆破药量是可行的,从而为复杂条件下的特大断面城市隧道施工参数和爆破参数的确定提供了重要的依据。
The influence of blasting vibration on the adjacent buildings is inevitable if blasting is employed for excavation. Daping station tunnel of Chongqing light railway project, on which there is dense with population and buildings, has a minimum buried depth of only four meters and maximum span length of 26.3 meters. The stepped excavation mode with short-hole, multi-round and V-shaped cut are adopted. The maximum charge weight of one delayed interval is determined by the permitted vibration velocity. The smooth blasting technology with adding vibration-reduction holes is used. Meanwhile, the charge weight per hole is strictly controlled. With the simulation and on-site test, it is found that the proposed technology for tunnel construction is feasible.
The influence of blasting vibration on the adjacent buildings is inevitable if blasting is employed for excavation. Daping station tunnel of Chongqing light railway project, on which there is dense with population and buildings, has a minimum buried depth of only four meters and maximum span length of 26.3 meters. The stepped excavation mode with short-hole, multi-round and V-shaped cut are adopted. The maximum charge weight of one delayed interval is determined by the permitted vibration velocity. The smooth blasting technology with adding vibration-reduction holes is used. Meanwhile, the charge weight per hole is strictly controlled. With the simulation and on-site test, it is found that the proposed technology for tunnel construction is feasible.
引文
[1]毕继红,钟建辉.邻近隧道爆破震动对既有隧道影响的研究[J].工程爆破,2004,10(4):69-73.BI JI-HONG,ZHONGJIAN-HUI.Study on influence of blasting vibrationfromexcavation of a newtunnel on existed tunnel[J].Engineering Blasting,2004,10(4):69-73.
[2]王明年,潘晓马,张成满,等.邻近隧道爆破振动响应研究[J].岩土力学,2004(03):412-414.WANG MING-NIAN,PAN XIAO-MA,ZHANG CHENG-MAN,et al Study of blasting vibration influence on close-spaced tunnel[J].Rock and Soil Mechanics,2004(03):412-414.
[3]霍永基.建筑结构爆破震动效应及安全分析研究[J].爆破,2003,20(1):1-6.HUO YONG-JI.Blasting vibration effects on structures and safety analysis[J].Blasting,2003,20(1):1-6.
[4]RAFAEL RODRIGUEZ,JAVIER TORANO,MARIO MENENDEZ.Prediction of the airblast wave effects near a tunnel advanced by drilling and blasting[J].Tunnelling and Underground Space Technology,2007,22:241-251.
[5]CENGIZ KUZU,ERI M GUCLU.The problem of human response to blast induced vibrations in tunnel construction and mitigation of vibration effects using cautious blasting in half-face blasting rounds[J].Tunnelling and Underground Space Technology,2009,24:53-61.
[6]WU C S A,J X LI B,CHEN X,et al.Blastingintwin tunnels with small spacing andits vibration control[J].Tunnelling and Underground Space Technology,2004,19:518
[7]CHANG-HA RYU,CHOON SUNWOO,SANG-DON LEE,et al.Suggestions of rock classification methods for blast designand application to tunnel blasting[J].Tunnelling and Underground Space Technology,2006,21:401-402
[8]INNAURATO N,MANCINI R,CARDU M.On the influence of rock mass quality on the quality of blasting work in tunnel driving[J].Tunnelling and Underground Space Technology,1998,13(1):81-89.
[9]UMIT OZER.Environmental i mpacts of ground vibrationinduced by blasting at different rock units onthe Kadikoy-Kartal metro tunnel[J].Engineering Geology,2008,100:82-90.
[10]SEONHONG KI M,WON,JOON JEONG,et al.Numerical si mulation of blasting at tunnel contour hole injointe rock mass[J].Tunnelling and Underground Space Technology,2006,21:306-307.
[11]于学馥.岩石力学新概念与开挖结构优化设计[M].北京:科学出版社,1995.
[12]朱维申,何满潮.复杂条件下围岩稳定性与岩体动态施工力学[M].北京:科学出版社,1995.
[13]吕爱军.地下洞室最优开挖形状的确定方法[J].岩石力学与工程学报,1996,15(3):552-558.LVU AI-JUN.The method for opti mum shapes of tunnel and cavities[J].Chinese Journal of Rock Mechanics and Engineering,1996,15(3):552-558.
[14]刘洪洲.大跨度扁坦隧道施工的力学响应及施工方法的研究[D].重庆:重庆大学,1999.
[15]朱永全,景诗庭,张清.时间序列分析在隧道施工监测中的应用[J].岩石力学与工程学报,1996,15(4):353-359ZHU YONG-QUAN,JING SHI-TING,ZHANG QING.Application of ti me series analysis method to measured displacement in tunnel[J].Chinese Journal of Rock Mechanics and Engineering,1996,15(4):353-359.
[16]朱泽兵,仇文革.大跨超浅埋轻轨车站隧道施工技术[J].施工技术,2003,32(1):47-49.ZHU ZE-BING,QI U WEN-GE.Construction technology of large span and ultra-shallow-buried light rail way station tunnel[J].Construction Technology,2003,32(1):47-49.
[17]蒋树屏,刘洪洲,鲜学福.大跨度扁坦隧道动态施工的相似模拟与数值分析研究[J].岩石力学与工程学报,2000,19(5):567-572.JIANG SHU-PING,LI U HONG-ZHOU,XIAN XUE-FU.Physical si mulation and numerical analysis on dynamic construction behavior of large span flat tunnel[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(2):290-295.
[18]朱泽兵,刘新荣,张永兴.大跨超浅埋轻轨车站隧道开挖方法研究[J].岩石力学与工程学报,2005,24(2):290-295.ZHU ZE-BING,LI U XIN-RONG,ZHANG YONG-XING.Study of excavation method for ultra-shallow-buried light rail way station tunnel with large span[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(2):290-295.
[19]朱泽兵,张东明.大坪隧道掘进中爆破震动的控制[J].工程爆破,2002,8(4):67-70.ZHU ZE-BING,ZHANG DONG-MING.Control of blasting vibration in excavation of Daping tunnel[J].Engineering Blasting,2002,8(4):67-70.
[20]刘波.FLAC原理、实例与应用指南[M].北京:人民交通出版社,2005.
[21]Naouer J A L,Malan D F A.Viscoplastic Discontinuum Model of Ti me-Dependent Fracture and Seismicity Effects in BrittleRock[J].International Journal of Rock Mechanics&Mining Sciences,1997,34(7):1075-1090.
[22]陈士海.爆破地震作用下结构破坏安全标准研究[D].南京:中国人民解放军理工大学,2004.
[2]王明年,潘晓马,张成满,等.邻近隧道爆破振动响应研究[J].岩土力学,2004(03):412-414.WANG MING-NIAN,PAN XIAO-MA,ZHANG CHENG-MAN,et al Study of blasting vibration influence on close-spaced tunnel[J].Rock and Soil Mechanics,2004(03):412-414.
[3]霍永基.建筑结构爆破震动效应及安全分析研究[J].爆破,2003,20(1):1-6.HUO YONG-JI.Blasting vibration effects on structures and safety analysis[J].Blasting,2003,20(1):1-6.
[4]RAFAEL RODRIGUEZ,JAVIER TORANO,MARIO MENENDEZ.Prediction of the airblast wave effects near a tunnel advanced by drilling and blasting[J].Tunnelling and Underground Space Technology,2007,22:241-251.
[5]CENGIZ KUZU,ERI M GUCLU.The problem of human response to blast induced vibrations in tunnel construction and mitigation of vibration effects using cautious blasting in half-face blasting rounds[J].Tunnelling and Underground Space Technology,2009,24:53-61.
[6]WU C S A,J X LI B,CHEN X,et al.Blastingintwin tunnels with small spacing andits vibration control[J].Tunnelling and Underground Space Technology,2004,19:518
[7]CHANG-HA RYU,CHOON SUNWOO,SANG-DON LEE,et al.Suggestions of rock classification methods for blast designand application to tunnel blasting[J].Tunnelling and Underground Space Technology,2006,21:401-402
[8]INNAURATO N,MANCINI R,CARDU M.On the influence of rock mass quality on the quality of blasting work in tunnel driving[J].Tunnelling and Underground Space Technology,1998,13(1):81-89.
[9]UMIT OZER.Environmental i mpacts of ground vibrationinduced by blasting at different rock units onthe Kadikoy-Kartal metro tunnel[J].Engineering Geology,2008,100:82-90.
[10]SEONHONG KI M,WON,JOON JEONG,et al.Numerical si mulation of blasting at tunnel contour hole injointe rock mass[J].Tunnelling and Underground Space Technology,2006,21:306-307.
[11]于学馥.岩石力学新概念与开挖结构优化设计[M].北京:科学出版社,1995.
[12]朱维申,何满潮.复杂条件下围岩稳定性与岩体动态施工力学[M].北京:科学出版社,1995.
[13]吕爱军.地下洞室最优开挖形状的确定方法[J].岩石力学与工程学报,1996,15(3):552-558.LVU AI-JUN.The method for opti mum shapes of tunnel and cavities[J].Chinese Journal of Rock Mechanics and Engineering,1996,15(3):552-558.
[14]刘洪洲.大跨度扁坦隧道施工的力学响应及施工方法的研究[D].重庆:重庆大学,1999.
[15]朱永全,景诗庭,张清.时间序列分析在隧道施工监测中的应用[J].岩石力学与工程学报,1996,15(4):353-359ZHU YONG-QUAN,JING SHI-TING,ZHANG QING.Application of ti me series analysis method to measured displacement in tunnel[J].Chinese Journal of Rock Mechanics and Engineering,1996,15(4):353-359.
[16]朱泽兵,仇文革.大跨超浅埋轻轨车站隧道施工技术[J].施工技术,2003,32(1):47-49.ZHU ZE-BING,QI U WEN-GE.Construction technology of large span and ultra-shallow-buried light rail way station tunnel[J].Construction Technology,2003,32(1):47-49.
[17]蒋树屏,刘洪洲,鲜学福.大跨度扁坦隧道动态施工的相似模拟与数值分析研究[J].岩石力学与工程学报,2000,19(5):567-572.JIANG SHU-PING,LI U HONG-ZHOU,XIAN XUE-FU.Physical si mulation and numerical analysis on dynamic construction behavior of large span flat tunnel[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(2):290-295.
[18]朱泽兵,刘新荣,张永兴.大跨超浅埋轻轨车站隧道开挖方法研究[J].岩石力学与工程学报,2005,24(2):290-295.ZHU ZE-BING,LI U XIN-RONG,ZHANG YONG-XING.Study of excavation method for ultra-shallow-buried light rail way station tunnel with large span[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(2):290-295.
[19]朱泽兵,张东明.大坪隧道掘进中爆破震动的控制[J].工程爆破,2002,8(4):67-70.ZHU ZE-BING,ZHANG DONG-MING.Control of blasting vibration in excavation of Daping tunnel[J].Engineering Blasting,2002,8(4):67-70.
[20]刘波.FLAC原理、实例与应用指南[M].北京:人民交通出版社,2005.
[21]Naouer J A L,Malan D F A.Viscoplastic Discontinuum Model of Ti me-Dependent Fracture and Seismicity Effects in BrittleRock[J].International Journal of Rock Mechanics&Mining Sciences,1997,34(7):1075-1090.
[22]陈士海.爆破地震作用下结构破坏安全标准研究[D].南京:中国人民解放军理工大学,2004.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心