系列尺度岩石结构面相似表面模型制作的逆向控制技术研究
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摘要
制作与原岩结构面相似表面形态的模型试样是开展结构面力学模型试验的关键。基于不同尺度岩石结构面模型试样的制作特点,研制上、下盘完全吻合的系列尺度试样模具,并设计上、下盘吻合结构面试样的制作工艺,使得原岩结构面可以多次重复利用,提高原岩结构面的使用效率,降低取样成本和试验周期,实现在同一块结构面上不同尺度结构面模型的制作。利用表面形态相似性评价技术,验证制作工艺的可行性,结果表明,按照该逆向控制技术设计制作的模型试样,能复制出和原岩结构面表面形态一样、上、下盘结构面吻合度高的模型试样,符合制作不同尺度模型结构面的要求,可克服原岩结构面上下盘吻合度差、不能多种尺度取样的缺点,为开展具有真实表面形态的结构面抗剪强度尺寸效应试验研究提供了条件。
The key of structural plane model mechanical test is to make similar surface morphology model sample to the natural rock structural plane.Based on the making particularity of rock structural plane in different scales,sample modes in series scales with perfect match to upper wall and bottom wall were developed;and the making process of model sample was designed.Through this, the natural rock structural plane can be used repeatedly,which will increase the using efficiency,reduce the sample cost and trial cycle.What's more,the different scales of structural plane model making on the same natural rock structural plane are achieved.In the second part of the work,the similar evaluation results of surface morphology show: the model sample made by inverse controlling technology is capable of duplicating the same surface morphology of rock structural plane and highly match between upper wall and bottom wall model samples,which is suitable for the demand of making model samples in different scales.The inverse controlling technology is able to overcome the problems of low match to upper wall and bottom wall model samples and unable to get samples in multiscale of natural rock structural plane,which provides conditions for experimental research on shear strength scale effect of real surface morphology rock structural plane.
The key of structural plane model mechanical test is to make similar surface morphology model sample to the natural rock structural plane.Based on the making particularity of rock structural plane in different scales,sample modes in series scales with perfect match to upper wall and bottom wall were developed;and the making process of model sample was designed.Through this, the natural rock structural plane can be used repeatedly,which will increase the using efficiency,reduce the sample cost and trial cycle.What's more,the different scales of structural plane model making on the same natural rock structural plane are achieved.In the second part of the work,the similar evaluation results of surface morphology show: the model sample made by inverse controlling technology is capable of duplicating the same surface morphology of rock structural plane and highly match between upper wall and bottom wall model samples,which is suitable for the demand of making model samples in different scales.The inverse controlling technology is able to overcome the problems of low match to upper wall and bottom wall model samples and unable to get samples in multiscale of natural rock structural plane,which provides conditions for experimental research on shear strength scale effect of real surface morphology rock structural plane.
引文
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[15]孙进,李耀明.逆向工程的关键技术及其研究[J].航空精密制造技术,2007,43(1):5-7.SUN Jin,LI Yao-ming.Development in Key Technologiesof Reverse Engineering[J].Aviation precision man-ufacturing technology,2007,43(1):5-7.
[16]李仲奎,王爱民,王克忠,等.地下工程三维地质力学模型制作逆向控制技术研究与应用[J].岩石力学与工程学报,2009,28(9):1729-1733.LI Zhong-kui,WANG Ai-min,WANG Ke-zhong,et al.study and application of inverse controlling technology for3D geomechanical model construction of undergroundengineering[J].Chinese Journal of Rock Mechanics andEngineering,2009,28(9):1729-1733.
[17]DU Shi-gui,HU Yun-jin,HU Xiao-fei,et al.Comparisonbetween empirical estimation by JRC-JCS model anddirect shear test for joint shear strength[J].Journal ofEarth Science,2011,22(3):411-420.
[18]DU S G,HU Y J,HU X F.Measurement of joint roughnesscoefficient by using profilograph and roughness ruler[J].Journal of Earth Science,2009,20(5):890-896.
[19]夏才初.工程岩体节理力学[M].上海:同济大学出版社,2002:108-109.
[2]杜时贵.岩体结构面的工程性质[M].北京:地震出版社,1999.
[3]罗战友,杜时贵,黄曼,等.一种直剪试验结构面模型的制作方法[P].中国专利:ZL200910154781.9,2011-09-07.
[4]左保成,陈从新,刘才华,等.相似材料试验研究[J].岩土力学,2004,25(11):1805-1808.ZUO Bao-cheng,CHEN Cong-xin,LIU Cai-hua,et al.Research on similar material of slope simulationexperiment[J].Rock and Soil Mechanics,2004,25(11):1805-1808.
[5]李晓红,卢义玉,康勇,等.岩石力学实验模拟技术[M].北京:科学出版社,2007.
[6]杜时贵,黄曼,罗战友,等.岩石结构面力学原型试验相似材料研究[J].岩石力学与工程学报,2010,29(11):2263-2270.DU Shi-gui,HUANG Man,LUO Zhan-you,et al.Similarmaterials study on mechanical prototype test of rockstructural plane[J].Chinese Journal of Rock Mechanicsand Engineering,2010,29(11):2263-2270.
[7]BANDIS S C,LUMSDEN A C,BARTON N R.Fundamentals of rock joint deformation[J].InternationalJournal of Rock Mechanics and Mining Sciences&Geomechanics Abstracts,1983,20:249-268.
[8]UENG Tzou-shin,JOU Yue-jan,PENG I-hui.Scaleeffect on shear strength of computer-aided-manufacturedjoints[J].Journal of GeoEngineering,2010,5(2):29-37.
[9]李海波,刘博,冯海鹏,等.模拟岩石节理试样剪切变形特征和破坏机制研究[J].岩土力学,2008,29(7):1741-1746.LI Hai-bo,LIU Bo,FENG Hai-peng,et al.Study ofdeformability behaviour and failure mechanism bysimulating rock joints sample under different loadingconditions[J].Rock and Soil Mechanics,2008,29(7):1741-1746.
[10]沈明荣,张清照.规则齿型结构面剪切特性的模型试验研究[J].岩石力学与工程学报,2010,29(4):713-719.SHEN Ming-rong,ZHANG Qing-zhao.Experimentalstudy of shear deformation characteristics of rock massdiscontinuities[J].Chinese Journal of Rock Mechanicsand Engineering,2010,29(4):713-719.
[11]OHNISHI Y,HERDA H,YOSHINAKA R.Shear strengthscale effect and the geometry of single and repeated rockjoints[C]//Proceedings of 2nd International Conference onScale Effect in Rock Masses.Lisbon,Portugal:[s.n.],1993:167-173.
[12]CASTELLI M,SAVIA S,ZANINETI A.Experimentalevaluation of scale effect on the mechanical behavior ofrock joints[C]//Proceedings of International EurockSymposium.Espoo,Finland:[s.n.],2001:205-210.
[13]朱小明,李海波,刘博,等.含一阶和二阶起伏体节理剪切强度的试验研究[J].岩石力学与工程学报,2011,30(9):1810-1818.ZHU Xiao-ming,LI Hai-bo,LIU Bo,et al.Experimentalstudy of shear strength of joints with first-order andsecond-order asperities[J].Chinese Journal of RockMechanics and Engineering,2011,30(9):1810-1818.
[14]金涛,陈建良,童水光.逆向工程技术研究进展[J].中国机械工程,2002,13(16):1430-1436.JIN Tao,CHEN Jian-liang,TONG Shui-guang.A reviewof reverse engineering technology[J].China MechanicalEngineering,2002,13(16):1430-1436.
[15]孙进,李耀明.逆向工程的关键技术及其研究[J].航空精密制造技术,2007,43(1):5-7.SUN Jin,LI Yao-ming.Development in Key Technologiesof Reverse Engineering[J].Aviation precision man-ufacturing technology,2007,43(1):5-7.
[16]李仲奎,王爱民,王克忠,等.地下工程三维地质力学模型制作逆向控制技术研究与应用[J].岩石力学与工程学报,2009,28(9):1729-1733.LI Zhong-kui,WANG Ai-min,WANG Ke-zhong,et al.study and application of inverse controlling technology for3D geomechanical model construction of undergroundengineering[J].Chinese Journal of Rock Mechanics andEngineering,2009,28(9):1729-1733.
[17]DU Shi-gui,HU Yun-jin,HU Xiao-fei,et al.Comparisonbetween empirical estimation by JRC-JCS model anddirect shear test for joint shear strength[J].Journal ofEarth Science,2011,22(3):411-420.
[18]DU S G,HU Y J,HU X F.Measurement of joint roughnesscoefficient by using profilograph and roughness ruler[J].Journal of Earth Science,2009,20(5):890-896.
[19]夏才初.工程岩体节理力学[M].上海:同济大学出版社,2002:108-109.
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