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[1] ½»Í¨ÔËÊ䲿.2018Ä꽻ͨÔËÊäÐÐÒµÉú³¤Í³¼Æ¹«±¨[N].Öйú½»Í¨±¨,2019-04-12.
[2] Ѧ°®Ð£¬Íõ½à¹â,Íõˮʦ£¬µÈ.¸ßËÙ¹«Â·Á¤Çà·ÃæÁÑ·ìÉú³¤¶Ô·Ãæ½á¹¹ÐÔÄܵÄÓ°ÏìÑо¿[J].ÖÐÍ⹫·,2019,39(3):47-53.
[3] ºÂÅàÎÄ.Á¤ÇàÓëÁ¤Çà»ìÏýÁÏ[M].±±¾©:ÈËÃñ½»Í¨³öÊéÉ磬2009.
[4] Musselman James,Choubane Bouzid ,Page Gale,et al.Superpave Field Implementation: Florida¡äs Early Experience[J].Transportation Research Record: Journal of the Transportation Research Board,1998,1 609(1):51-60.
[5] ³Â»ªöÎ,½ÐÇ.Á¤Çà»ìÏýÁÏÂíЪ¶ûÉè¼ÆÒì³£ÏÖÏóÆÊÎö[J].ÖÐÍ⹫·,2006,26(4):195-197.
[6] NCHRP.The Superpave Mix Design System: Anatomy of a Research Program[R],2012.
[7] ³Âæç,Öì´ºÑô.²î±ðÁ¤Çà»ìÏýÁÏÉè¼ÆÒªÁì±ÈÕÕÆÀ¼ÛÆÊÎö[J].ÖÐÍ⹫·,2007,27(4):267-271.
[8] McCarthy Leslie Myers,Callans Jonathan,Quigely Robert.Performance Specifications for Asphalt Mixtures[R],2016.
[9] Fujie Zhou,Sheng Hu,Tom Scullion.Integrated Asphalt (Overlay) Mixture Design,Balance Rutting and Cracking Requirement[R].Technical Report FHWA/TX-06/0-5123-1,TTI,TX,US£¬2016.
[10] Tom Scullion,Xiaodi Hu,Stephen Sebesta.Design,Construction and Performance Monitoring of the very Thin Overlay Placed on BUS 59 in the Lufkin District[R].Technical Report FHWA/TX-10/5-5598-01-2,TTI,TX,US,2010.
[11] Lubinda Walubita,Xiaodi Hu,Tom Scullion.Laboratory Evaluation of Two Different HMA Mix-Design Methods and Test Procedures[J].Asfaltosy Pavimentos,2012,13(24):4-16.
[12] Fujie Zhou,Sheng Hu,Gautam Das,et al.Successful High RAP Mixes Designed with Balanced Rutting and Cracking Requirements[J].Asphalt Paving Technology: Association of Asphalt Paving Technologists-Proceedings of the Technical Sessions,2012,81(1):477-505.
[13] Standard Specifications for Roads and Bridges[S].Louisiana Department of Transportation and Development,2016.
[14] ·ëоü,²éÐñ¶«,ÍôÎÄÔ¨,µÈ.»ùÓÚ¿¹³Ã÷ÈÕ޺Ϳ¹¿ªÁѵÄÁ¤Çà»ìÏýÁÏƽºâÉè¼Æ[J].Î人Àí¹¤´óѧѧ±¨,2011(5):86-89,112.
[15] NCHRP.Auburn,AL: National Center for Asphalt Technology at Auburn University.Development of a Framework for Balanced Mix Design[R],2018.
[16] Fujie Zhou,David Newcomb,Charles Gurganus,et al.Experimental Design for Field Validation of Laboratory Tests to Assess Cracking Resistance of Asphalt Mixtures[R],2015.
[17] Samuel Cooper,Louay Mohammad,Sharear Kabir,et al.Balanced Asphalt Mixture Design through Specification Modification: Louisiana¡äs Experience[J].Transportation Research Record: Journal of the Transportation Research Board,2014,2 447:92-100.
[18] Fujie Zhou,Sheng Hu,Tom Scullion,et al.A Balanced HMA Mix Design Procedure for Overlays (with Discussion)[J].Journal of the Association of Asphalt Paving Technologists,2007,76:823-850.
[19] Pfeier,B.A..Illinois DOT Practices for Balanced Mix Design[M].Presented at 97th Annual Meeting of the Transportation Research Board,Washington,D.C.,2018.
[20] Test Procedure for Design of Bituminous Mixtures[S].Tex-204-F.Texas Department of Transportation,2016.
[21] Standard Specifications for Road and Bridge Construction[S].New Jersey Department of Transportation,2007.
[22] Fujie Zhou,David Newcomb,Texas A&M Transportation Institute.Balanced Design of Asphalt Mixtures[R],2018.
[23] Stacey D.Diefenderfer,Benjamin F.Bowers.Initial Approach to Performance (Balanced) Mix Design: The Virginia Experience[J].Transportation Research Record: Journal of the Transportation Research Board,2019,2 673:335-345.
[24] USA.Department of Hingways.Road and Bridge Specifications[Z],2016.
[25] Aschenbrener,T..Case Histories of Setting the Job Mix Formula with a Balanced Mix Design Compared to a Volumetric Mix Design[R],2016.
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