基于数字散斑相关技术的沥青混合料老化特性实验研究
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摘要
基于数字散斑相关技术DSCM(digital speckle correlation method),利用VIC-3D(video image correlate-3D)图像处理系统,通过半圆弯拉实验(semi-circular bending test,简称SCB实验),对温度老化前后的SBS改性沥青混合料和橡胶粉(CR)改性沥青混合料半圆试件的三点弯拉实验从加载到破坏的全过程进行图像采集,利用VIC-3D计算软件计算半圆试件全过程的水平应变、水平应变速率并通过荷载-位移曲线求出的断裂能指标,研究沥青混合料老化特性。结果表明,数字散斑相关技术,作为一种非接触、非干涉、全场变形的光学计量方法,可以很好地应用于沥青混合料的老化特性研究;在半圆试件从加载到开裂破坏的全过程中,温度老化后的沥青混合料的持荷能力和抵抗开裂破坏的能力与老化前相比明显削弱;温度老化后的CR改性沥青混合料比温度老化后的SBS改性沥青混合料有更好的抗裂性能。
Based on the digital speckle correlation method(DSCM),using the VIC-3D(video image correlate-3D)image processing system,by semi-circular bending test(SCB Test),the images of the SBS modified asphalt mixture and rubber powder(CR)modified asphalt mixture that before and after temperature age are acquired in the whole process from the load to the crack destruction,VIC-3Dcalculation software was used to calculate the horizontal strain,horizontal strain rate of the semicircle specimen and through load-displacement curve and the fracture energy index to study the aging characteristics of the asphalt mixture.The results show that:the digital speckle correlation method,as a kind of non-contact,non-interference,the whole deformation optical measurement method,can study the aging properties of asphalt mixture very well;in the whole process from the load to the fracture,compared to the non-aged asphalt mixture,the load holding ability and crack resistance of the temperature aged asphalt mixture obviously weakened;the CR modified asphalt mixture after temperature age has better crack resistance than the SBS modified asphalt mixture after temperature age.
Based on the digital speckle correlation method(DSCM),using the VIC-3D(video image correlate-3D)image processing system,by semi-circular bending test(SCB Test),the images of the SBS modified asphalt mixture and rubber powder(CR)modified asphalt mixture that before and after temperature age are acquired in the whole process from the load to the crack destruction,VIC-3Dcalculation software was used to calculate the horizontal strain,horizontal strain rate of the semicircle specimen and through load-displacement curve and the fracture energy index to study the aging characteristics of the asphalt mixture.The results show that:the digital speckle correlation method,as a kind of non-contact,non-interference,the whole deformation optical measurement method,can study the aging properties of asphalt mixture very well;in the whole process from the load to the fracture,compared to the non-aged asphalt mixture,the load holding ability and crack resistance of the temperature aged asphalt mixture obviously weakened;the CR modified asphalt mixture after temperature age has better crack resistance than the SBS modified asphalt mixture after temperature age.
引文
[1]Huang Xiaoming.Asphalt and asphalt mixture[M].Jiangsu:Southeast University Press,2002:1.
[2]Tan Yiqiu.Asphalt and asphalt mixture[M].Heilongjiang.Harbin Institute of Technology Press,2007:1.
[3]Wang Demi.Long-life asphalt pavement design method research[D].Xian:Chang’an University Press,2008.4.
[4]Whiteoak D,Read J.Shell bitumen handbook[M].London:Thomas Telford,2003.
[5]Lv Songtao.Fatigue equation of aging asphalt mixture based on the theory of dissipation[J].The Chinese and Foreign Road,2012,32(3):284-286.
[6]Wu Wenbiao,Tian Xiaoge.Time-temperature-aging equivalent relation of asphalt mixture based on relaxation property[J].Journal of Building Materials,2011,14(3):340-344.
[7]Wang Fuli,Ren Lifeng.Research on aging performance of asphalt mixture based on dynamic loading[J].Highway Engineering,2009,34(3):44-46.
[8]Mehmet Ylmaz,Baha Vural Kk.Investigation of mechanical properties of short and long-term aged asphaltite modified asphalt mixtures[J].Journal of Materials in Civil Engineering,2013,5(25):563-572.
[9]Yamaguchi I A.Laser-speckle strain gauge[J].Journal of Physics E,Scientific Instruments,1981,14(1):1270-1273.
[10]Peters W H,Ranson W F.Digital imaging techniques in experimental stress analysis[J].Optical Engineering,1982,21(3):427-431.
[11]Sutton M A,Wolters W J,Peters W H,et al.Determination of displacements using an improved digital correlation method[J].Image and Vision Computing,1983,1(3):133-139.
[12]Tan Yiqiu,Zhang Kui.Application of digital speckle correlation method to the study of indirect tensile strain of asphalt mixture[J].Journal of Harbin Institute of Technology University,2009,41(9):57-58.
[13]Tan Y Q,Hou M H,Zhang L.Studying the strain field distribution of asphalt mixture with the digital speckle correlation method[J].Road Materials and Pavement Design,2014,15(1):90-101.
[14]Pan B,Wang Z,Xie H.Generalized spatial-gradientbased digital image correlation for displacement and shape measurement with subpixel accuracy[J].Journal of Strain Analysis for Engineering Design,2009,44(8):659-669.
[15]Chen Leilei,Qian Zhendong,Qing Lu.Crack initiation and propagation in epoxy asphalt concrete in the threepoint bending test[J].Road Materials and Pavement Design,2014,15(3):507-520.
[16]Yuan Miaomiao,Zhang Xiaoning.Study on fatigue deformation of asphalt mixtures in digital speckle correlation method[J].International Journal of Digital Content Technology and its Applications,2012,17(6):162-170.
[17]Birgisson B,Montepara A,Romeo E,et al.Characterization of asphalt mixture cracking behavior using the three-point bending beam test[J].Journal of International Pavement Engineering,2011,6(11):569-578.
[18]Sinhe H,Turner T F,Pauli A T.Evaluation of different techniques for adhesive properties of asphalt-filler systems at interfacial region[C]//Washington DC:Symposium on Advances in Adhesives,Adhesion Science and Testing ASTM,2005.114-128.
[19]Mobasher B,Mamlouk M S,Lin H M.Evaluation of crack propagation properties of asphalt mixtures[J].Journal of Transportation Engineering,1997,123(5):405-413.
[20]Zhang Dong,Huang Xiaoming,Zhao Yongli.Comparative study on the evaluation methods of the fracture resistance of asphalt mixtures[J].Journal of Building Materials,2012,15(2):222-226.
[21]Wang Lan,Hu Jiangsan.Experimental investigation on interface mechanics of asphalt mixture based on technology of VIC-3D[J].Journal of Functional Materials,2015,46(3):03115-03120.
[2]Tan Yiqiu.Asphalt and asphalt mixture[M].Heilongjiang.Harbin Institute of Technology Press,2007:1.
[3]Wang Demi.Long-life asphalt pavement design method research[D].Xian:Chang’an University Press,2008.4.
[4]Whiteoak D,Read J.Shell bitumen handbook[M].London:Thomas Telford,2003.
[5]Lv Songtao.Fatigue equation of aging asphalt mixture based on the theory of dissipation[J].The Chinese and Foreign Road,2012,32(3):284-286.
[6]Wu Wenbiao,Tian Xiaoge.Time-temperature-aging equivalent relation of asphalt mixture based on relaxation property[J].Journal of Building Materials,2011,14(3):340-344.
[7]Wang Fuli,Ren Lifeng.Research on aging performance of asphalt mixture based on dynamic loading[J].Highway Engineering,2009,34(3):44-46.
[8]Mehmet Ylmaz,Baha Vural Kk.Investigation of mechanical properties of short and long-term aged asphaltite modified asphalt mixtures[J].Journal of Materials in Civil Engineering,2013,5(25):563-572.
[9]Yamaguchi I A.Laser-speckle strain gauge[J].Journal of Physics E,Scientific Instruments,1981,14(1):1270-1273.
[10]Peters W H,Ranson W F.Digital imaging techniques in experimental stress analysis[J].Optical Engineering,1982,21(3):427-431.
[11]Sutton M A,Wolters W J,Peters W H,et al.Determination of displacements using an improved digital correlation method[J].Image and Vision Computing,1983,1(3):133-139.
[12]Tan Yiqiu,Zhang Kui.Application of digital speckle correlation method to the study of indirect tensile strain of asphalt mixture[J].Journal of Harbin Institute of Technology University,2009,41(9):57-58.
[13]Tan Y Q,Hou M H,Zhang L.Studying the strain field distribution of asphalt mixture with the digital speckle correlation method[J].Road Materials and Pavement Design,2014,15(1):90-101.
[14]Pan B,Wang Z,Xie H.Generalized spatial-gradientbased digital image correlation for displacement and shape measurement with subpixel accuracy[J].Journal of Strain Analysis for Engineering Design,2009,44(8):659-669.
[15]Chen Leilei,Qian Zhendong,Qing Lu.Crack initiation and propagation in epoxy asphalt concrete in the threepoint bending test[J].Road Materials and Pavement Design,2014,15(3):507-520.
[16]Yuan Miaomiao,Zhang Xiaoning.Study on fatigue deformation of asphalt mixtures in digital speckle correlation method[J].International Journal of Digital Content Technology and its Applications,2012,17(6):162-170.
[17]Birgisson B,Montepara A,Romeo E,et al.Characterization of asphalt mixture cracking behavior using the three-point bending beam test[J].Journal of International Pavement Engineering,2011,6(11):569-578.
[18]Sinhe H,Turner T F,Pauli A T.Evaluation of different techniques for adhesive properties of asphalt-filler systems at interfacial region[C]//Washington DC:Symposium on Advances in Adhesives,Adhesion Science and Testing ASTM,2005.114-128.
[19]Mobasher B,Mamlouk M S,Lin H M.Evaluation of crack propagation properties of asphalt mixtures[J].Journal of Transportation Engineering,1997,123(5):405-413.
[20]Zhang Dong,Huang Xiaoming,Zhao Yongli.Comparative study on the evaluation methods of the fracture resistance of asphalt mixtures[J].Journal of Building Materials,2012,15(2):222-226.
[21]Wang Lan,Hu Jiangsan.Experimental investigation on interface mechanics of asphalt mixture based on technology of VIC-3D[J].Journal of Functional Materials,2015,46(3):03115-03120.