深长桩基础施工期岩溶处置实时效果无损检测方法研究
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摘要
在理论分析基础上,结合京沪高速铁路桥桩基础岩溶处置工程,开展检测分析桥桩桩孔施工过程中冲击破岩地震波传播特征现场试验;研究岩溶空洞及其充填处置后不同地震波传播特征;明确岩溶及其处置效果典型特征。在相同试验点进行地震反射探测岩溶及其处置后状态试验,并在地表已知覆盖型岩溶地区进行地震反应特征试验。在3类测试试验基础上,处理试验数据,从反射波信号特征、同相轴等方面,总结典型岩溶及其处置后地震波现场实时无损检测方法与判别特征。
On the basis of theoretical analysis,combined with construction of the Beijing-Shanghai High Speed Railway bridge pile foundations in the karst area,tests of the seismic wave propagation characteristics were carried out on site.The seismic waves were generated in the course of breaking rocks.By these test data,the seismic wave propagation characteristics of karst caves before and after grouting were researched.The typical features of the karst caves and effect of treatment were found.Seismic reflection tests were made with ground surface seismic wave sources at the same test points.The karst cave known as shallows buried ground surface seismic source was also tested to explore the typical features of the karst cave and grounting effect.On the basis of the three kinds of tests,the test data,such as the characteristics of reflected wave signals,and phase axes,etc,were processed,and the real-time NDT method and indices for discrimination were summarized.
On the basis of theoretical analysis,combined with construction of the Beijing-Shanghai High Speed Railway bridge pile foundations in the karst area,tests of the seismic wave propagation characteristics were carried out on site.The seismic waves were generated in the course of breaking rocks.By these test data,the seismic wave propagation characteristics of karst caves before and after grouting were researched.The typical features of the karst caves and effect of treatment were found.Seismic reflection tests were made with ground surface seismic wave sources at the same test points.The karst cave known as shallows buried ground surface seismic source was also tested to explore the typical features of the karst cave and grounting effect.On the basis of the three kinds of tests,the test data,such as the characteristics of reflected wave signals,and phase axes,etc,were processed,and the real-time NDT method and indices for discrimination were summarized.
引文
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[13]熊章强,方根显.浅层地震勘探原理[M].北京:地震出版社,2002.
[14]何柱登.地震勘探原理和方法[M].北京:地质出板杜,1986.
[15]朱根法.随钻VSP模拟试验[J].石油地球物理勘探,1992,27(6):813-819.ZHU Gen-fa.VSP Modeling during Shothole Drilling[J].Oil Geophysical Prospecting,1992,27(6):813-819.
[16]苟量,杨举勇,罗斌,等.随钻VSP技术研究及初步应用效果[J].石油地球物理勘探,2005,40(2):183-183.GOU Liang,YANG Ju-yong,LUO Bin,et al.StudyingSWD VSP Technique and Results of Its Preliminary Ap-plication[J].Oil Geophysical Prospecting,2005,40(2):183-183.
[17]王宝彬,赵波,侯爱源,等.随钻VSP记录中井场噪声的衰减[J].石油地球物理勘探,2007,42(5):581-585.WANG Bao-bin,ZHAO Bo,HOU Ai-yuan,et al.At-tenuation of Well-site Noise in Records of VSP whileDrilling[J].Oil Geophysical Prospecting,2007,42(5):581-585.
[2]张珍.津秦铁路岩溶地区桥梁桩基础处理[J].铁道勘察,2009,35(6):85-88.ZHANG Zhen.Treatment of Bridge Pile Foundation inKarst Area along Jinqin Railway[J].Railway Investigationand Surveying,2009,35(6):85-88.
[3]刘革,刘迪新.地震勘探方法在采空区上的应用[J].煤炭技术,2002,21(9):12-13.LIU Ge,LIU Di-xin.Application of Earthquake Explora-tion Method in Goaf[J].Coal Technology,2002,21(9):12-13.
[4]常锁亮,张淑婷,李贵山,等.多道瞬态瑞雷波法在探测煤矿采空区中的应用[J].中国煤田地质,2002,14(3):70-74.CHANG Suo-liang,ZHANG Shu-ting,LI Gui-shan,et al.Application of Multi-channel Transient Rayleigh WaveMethod on Survey of Goaf in Coal Mine[J].Coal Geologyof China,2002,14(3):70-74.
[5]杨双安,宁书年.老窑采空区的地震探测与研究[J].中国煤田地质,2004,16(1):44-47.YANG Shuang-an,NING Shu-nian.Research on SeismicSurveying Goafing of the Old Mine[J].Coal Geology ofChina,2004,16(1):44-47.
[6]CERNIGLIA D,PANTANO A,MONTINARO N.3DSimulations and Experiments of Guided Wave Propagationin Adhesively Bonded Multi-layered Structures[J].NDT&E International,2010,43(6):527-535.
[7]JOHNSON J P L,WHIPPLE K X.Evaluating the Con-trols of Shear Stress,Sediment Supply,Alluvial Cover,and Channel Morphology on Experimental Bedrock IncisionRate[J].Journal of Geophysical Research,2010,115(2):1-21.
[8]MASSEREY B,FROMME P.Surface Defect Detection inStiffened Plate Structures Using Rayleigh-like Waves[J].NDT&E International,2009,42(6):564-572.
[9]张平松,刘盛东,吴荣新.地震波CT技术探测煤层上覆岩层破坏规律[J].岩石力学与工程学报,2004,23(5):2510-2513.ZHANG Ping-song,LIU Sheng-dong,WU Rong-xin.Ob-servation of Overburden Failure of Coal Seam by CT ofSeismic Wave[J].Chinese Journal of Rock Mechanics andEngineering,2004,23(5):2510-2513.
[10]赵成斌,刘保金.浅层地震勘探在工程勘察中的应用[J].华北地震科学,1998,16(2):43-48.ZHAO Cheng-bin,LIU Bao-jin.The Application of Shal-low Seismic Exploration in Engineering Prospecting[J].North China Earthquake Sciences,1998,16(2):43-48.
[11]王超凡,邹桂高,刘金光,等.多道瞬态瑞雷波的勘探应用研究[J].地质科学,2002,30(1):110-117.WANG Chao-fan,ZOU Gui-gao,LIU Jin-guang,et al.Study on Application of Multichannel Transient R WaveExploration[J].Chinese Journal of Geology,2002,30(1):110-117.
[12]周星合,乔琳.地震勘探中的常见地震干扰波及压制方法[J].西部探矿工程,2008,(11):138-141.
[13]熊章强,方根显.浅层地震勘探原理[M].北京:地震出版社,2002.
[14]何柱登.地震勘探原理和方法[M].北京:地质出板杜,1986.
[15]朱根法.随钻VSP模拟试验[J].石油地球物理勘探,1992,27(6):813-819.ZHU Gen-fa.VSP Modeling during Shothole Drilling[J].Oil Geophysical Prospecting,1992,27(6):813-819.
[16]苟量,杨举勇,罗斌,等.随钻VSP技术研究及初步应用效果[J].石油地球物理勘探,2005,40(2):183-183.GOU Liang,YANG Ju-yong,LUO Bin,et al.StudyingSWD VSP Technique and Results of Its Preliminary Ap-plication[J].Oil Geophysical Prospecting,2005,40(2):183-183.
[17]王宝彬,赵波,侯爱源,等.随钻VSP记录中井场噪声的衰减[J].石油地球物理勘探,2007,42(5):581-585.WANG Bao-bin,ZHAO Bo,HOU Ai-yuan,et al.At-tenuation of Well-site Noise in Records of VSP whileDrilling[J].Oil Geophysical Prospecting,2007,42(5):581-585.
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