不同热再生拌和工艺对混合料再生效果的影响研究
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摘要
为分析再生拌和工艺对沥青混合料再生效果的影响,设计了3种热再生拌和工艺(再生剂同步添加工艺、再生剂异步添加工艺、再生剂-新沥青预混合工艺),并通过车辙试验、低温弯曲试验、间接拉伸开裂试验、动态模量试验等方法对再生混合料的性能进行试验分析。研究表明:不同热再生拌和工艺对再生沥青混合料的性能具有明显影响,由于再生剂-新沥青预混合工艺能够有效提高再生剂与老化沥青的融合程度,进而提高再生效果,因此,采用该工艺的再生混合料具有较好的抗车辙性能以及动态力学性能,低温抗裂以及综合抗裂性能也有一定程度的改善。
引文
[1]Daniel,J.S.,N.Gibson,et al.Effect of Long-Term Aging on RAP Mixtures:Laboratory Evaluation of Plant Produced Mixtures[J].Journal of the Association of Asphalt Paving Technologists,2013,82:327-365.
[2]Zhao,S.,B.Huang,et al.Quantitative Characterization of Binder Blending:How Much RAP-RAS Binder is Mobilized During Mixing[J].Journal of the Transportation Research Board,2015(2 506):72-80.
[3]Mogawer,M.,T.Bennert,et al.Performance Characteristics of Plant-Produced High RAP Mixtures[J].Journal of the Association of Asphalt Paving Technologists,2012,81.
[4]McDaniel,R.,A.Shah,et al.Effects of Reclaimed Asphalt Pavement Content and Virgin Binder Grade on Properties of Plant Produced Mixtures[J].Journal of the Association of Asphalt Paving Technologists,2012:81.
[5]Huang,B.,G.Li,et al.Laboratory Investigation of Mixing Hot-Mix Asphalt with Reclaimed Asphalt Pavement[J].Journal of the Transportation Research Board,2015.
[6]祁文祥,李立寒.沥青再生剂扩散程度评价与影响因素研究[J].建筑材料学报,2014(6).
[7]Texas A&M Transportation Institute.Experimental Design for Field Validation of Laboratory Tests to Assess Cracking Resistance of Asphalt Mixtures[R],2016.
[8]Liu,C.and M.L.Lovato.Elastic Constants Determination and Deformation Observation Using Brazilian Disk Geometry[C].Proceedings of the XIth International Congress and Exposition,Orlando,USA,2008.
[9]Illinois Center for Transportation.Testing Protocols to Ensure Performance of High Asphalt Binder Replacement Mixes Using RAP and RAS[R],2015.
[10]National Research Council.Fatigue Response of Asphalt-Aggregate Mixes[R],1994.
[11]Texas A&M Transportation Institute.The Overlay Tester:Comparison with Other Cracking Test Methods and Recommendations for Surrogate Cracking Tests[R],2016.
[12]Ma,W.,N.H.Tran,A.Taylor,et al.Comparison of Laboratory Cracking Test Results and Field Performance[C].the 90th Association of Asphalt Paving Technologists'Annual Meeting,Portland Oregon,USA,2015.
[2]Zhao,S.,B.Huang,et al.Quantitative Characterization of Binder Blending:How Much RAP-RAS Binder is Mobilized During Mixing[J].Journal of the Transportation Research Board,2015(2 506):72-80.
[3]Mogawer,M.,T.Bennert,et al.Performance Characteristics of Plant-Produced High RAP Mixtures[J].Journal of the Association of Asphalt Paving Technologists,2012,81.
[4]McDaniel,R.,A.Shah,et al.Effects of Reclaimed Asphalt Pavement Content and Virgin Binder Grade on Properties of Plant Produced Mixtures[J].Journal of the Association of Asphalt Paving Technologists,2012:81.
[5]Huang,B.,G.Li,et al.Laboratory Investigation of Mixing Hot-Mix Asphalt with Reclaimed Asphalt Pavement[J].Journal of the Transportation Research Board,2015.
[6]祁文祥,李立寒.沥青再生剂扩散程度评价与影响因素研究[J].建筑材料学报,2014(6).
[7]Texas A&M Transportation Institute.Experimental Design for Field Validation of Laboratory Tests to Assess Cracking Resistance of Asphalt Mixtures[R],2016.
[8]Liu,C.and M.L.Lovato.Elastic Constants Determination and Deformation Observation Using Brazilian Disk Geometry[C].Proceedings of the XIth International Congress and Exposition,Orlando,USA,2008.
[9]Illinois Center for Transportation.Testing Protocols to Ensure Performance of High Asphalt Binder Replacement Mixes Using RAP and RAS[R],2015.
[10]National Research Council.Fatigue Response of Asphalt-Aggregate Mixes[R],1994.
[11]Texas A&M Transportation Institute.The Overlay Tester:Comparison with Other Cracking Test Methods and Recommendations for Surrogate Cracking Tests[R],2016.
[12]Ma,W.,N.H.Tran,A.Taylor,et al.Comparison of Laboratory Cracking Test Results and Field Performance[C].the 90th Association of Asphalt Paving Technologists'Annual Meeting,Portland Oregon,USA,2015.