Influence of the Steel-making Dust on High Temperature and Fatigue Performance of Asphalt Mortars
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摘要
To research the possibility of steel-making dust as a kind of mineral filler in asphalt mixture, two steel-making dusts and one ordinary mineral filler were adopted. The specific density, specific surface area, fineness modulus and mineralogy component of the dusts were tested. Scanning electron microscopy(SEM) was carried out to research the microstructure of the dusts; dynamic shear rheological(DSR) test and time sweep test were used to research the high temperature and fatigue performance of asphalt mortars containing steel-making dust. The experimental results indicate that, compared with ordinary mineral filler, steel-making dusts have more active ingredients, difference surface characteristics and micro-structure. Furthermore, the high temperature and fatigue performance of steel-making dusts corresponding asphalt mortars are superior to those of reference group. Therefore, the steel-making dust would be an alternative to the ordinary mineral filler to improve the performance of asphalt mortars and reduce the harm of the dusts to the environment at the same time.
To research the possibility of steel-making dust as a kind of mineral filler in asphalt mixture, two steel-making dusts and one ordinary mineral filler were adopted. The specific density, specific surface area, fineness modulus and mineralogy component of the dusts were tested. Scanning electron microscopy(SEM) was carried out to research the microstructure of the dusts; dynamic shear rheological(DSR) test and time sweep test were used to research the high temperature and fatigue performance of asphalt mortars containing steel-making dust. The experimental results indicate that, compared with ordinary mineral filler, steel-making dusts have more active ingredients, difference surface characteristics and micro-structure. Furthermore, the high temperature and fatigue performance of steel-making dusts corresponding asphalt mortars are superior to those of reference group. Therefore, the steel-making dust would be an alternative to the ordinary mineral filler to improve the performance of asphalt mortars and reduce the harm of the dusts to the environment at the same time.
To research the possibility of steel-making dust as a kind of mineral filler in asphalt mixture, two steel-making dusts and one ordinary mineral filler were adopted. The specific density, specific surface area, fineness modulus and mineralogy component of the dusts were tested. Scanning electron microscopy(SEM) was carried out to research the microstructure of the dusts; dynamic shear rheological(DSR) test and time sweep test were used to research the high temperature and fatigue performance of asphalt mortars containing steel-making dust. The experimental results indicate that, compared with ordinary mineral filler, steel-making dusts have more active ingredients, difference surface characteristics and micro-structure. Furthermore, the high temperature and fatigue performance of steel-making dusts corresponding asphalt mortars are superior to those of reference group. Therefore, the steel-making dust would be an alternative to the ordinary mineral filler to improve the performance of asphalt mortars and reduce the harm of the dusts to the environment at the same time.
引文
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[18]Gu XY,Xu TT,NI FJ.Rheological Behavior of Basalt Fiber Reinforced Asphalt Mastic[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2014,29(5):950-955
[19]Wang L,Chang CQ.Rheological Evaluation of Polymer Modified Asphalt Binders[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2015,8:695-702
[20]Liu H,Li XM,Zhang XN,et al.Comparison of Rheological Properties of Lime and Slag Asphalt Mortar[J].Journal of Beijing University of Technology,2009,39(11):1 506-1 511
[21]Cheng YC,Tao JL,Jiao YB,et al.Influence of the Properties of Filler on High and Medium Temperature Performances of Asphalt Mastic[J].Construction and Building Materials,2016,118:268-275
[22]Ma HL.Research of Inorganic Filler on the Properties of Asphalt Mastic by Meso-Mechanical Method[D].Jilin:Jilin University,2013
[23]Li ZZ,Wu JL,Chen SF,et al.Influence Factors and Test of Mineral Filler Sedimentation in Asphalt Mortar[J].Journal of Chang’an University(Natural Science Edition),2012,32(4):12-15,20
[24]Yi JY,Cao YX,Feng DC,et al.Characterization of Zirconium Tungstate Filler and Performance Investigation on Asphalt Mastic Made with Zirconium Tungstate Filler[J].Construction and Building Materials,2016,125:387-397
[2]Cheng YC,Tao JL,Jiao YB,et al.Influence of the Properties of Filler on High and Medium Temperature Performances of Asphalt Mastic[J].Construction and Building Materials,2016,118:268-275
[3]Tan YQ,Li ZH,Zhang XY,et al.Research on High and Low Temperature Properties of Asphalt-Mineral Filler Mastic[J].Journal of Engineering Materials and Technology,2010,22:811-819
[4]Movilla-Quesada D,Raposeiras AC,Castro-Fresno D,et al.Experimental Study on Stiffness Development of Asphalt Mixture Containing Cement and Ca(OH)2 as Contribution Filler[J].Materials&Design,2015,74:157-163
[5]Pasandín AR,Pérez I.The Influence of the Mineral Filler on the Adhesion between Aggregates and Bitumen[J].International Journal of Adhesion&Adhesives,2015,58:53-58
[6]Li C,Chen ZW,Wu SP,et al.Effects of Steel Slag Fillers on the Rheological Properties of Asphalt Mastic[J].Construction and Building Materials,2017,145:383-391
[7]Wu T,Zang JW,Ding GD,et al.Resources Utilization Analysis of Sludge and Dust at Steelmaking Process[J].Xinjiang Iron and Steel,2010,4:14-16
[8]Kavussi A,Hicks RG.Properties of Bituminous Mixtures Containing Different Fillers[J].Journal of the Association of Asphalt Paving Technologists,1997,66
[9]Cooley LA,Stroup-Gardinder M,Brown ER,et al.Characterization of Asphalt-Filler Mortars with Superpave Binder Tests[J].Journal of the Association of Asphalt Paving Technologists,1998,67
[10]Mogawer W,Stuart F.Effects of Mineral Fillers on Properties of Stone Matrix Asphalt Mixtures[J].Transportation Research Record:Journal of the Transportation Research Board,1996(1530):86-94
[11]Sun CJ,Tang N,Pan P,et al.Rheological Properties of Conductive Asphalt Binders Containing Graphite and Carbon Fiber before and after Aging[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2013,6:557-559
[12]Anderson DA,Kennedy TW.Development of SHRP Binder Specification[J].Journal of AAPT,1993,(15):62-63
[13]Yuan Y,Zhang XN,Chen YS.Review of the Research on the Method to Evaluation Fatigue Performance of Modified Asphalt Mortar[J].Journal of China&Foreign Highway,2005,25(4):163-166
[14]Chen MZ,Lin JT,Wu SP,et al.Utilization of Recycled Bric Powder as Alternative Filler in Asphalt Mixture[J].Construction and Building Materials,2011,25(4):1 532-1 536
[15]Tan YQ,Meng G.Interfacial Thickness and Interaction between Asphalt and Mineral Fillers[J].Materials and Structures,2014,47:605-614
[16]Llyin SO,Arinina MP,Mamulat YS,et al.Rheological Properties of Road Bitumens Modified with Polymer and Solid Nanosized Aadditives[J].Colloid Journal,2014,76(4):425-434
[17]Moon KH,Falchetto AC,Park JY,et al.Development of High Performance Asphalt Mastic Using Fine Taconite Filler[J].KSCE Journal of Civil Engineering,2014,18(6):1 679-1 687
[18]Gu XY,Xu TT,NI FJ.Rheological Behavior of Basalt Fiber Reinforced Asphalt Mastic[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2014,29(5):950-955
[19]Wang L,Chang CQ.Rheological Evaluation of Polymer Modified Asphalt Binders[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2015,8:695-702
[20]Liu H,Li XM,Zhang XN,et al.Comparison of Rheological Properties of Lime and Slag Asphalt Mortar[J].Journal of Beijing University of Technology,2009,39(11):1 506-1 511
[21]Cheng YC,Tao JL,Jiao YB,et al.Influence of the Properties of Filler on High and Medium Temperature Performances of Asphalt Mastic[J].Construction and Building Materials,2016,118:268-275
[22]Ma HL.Research of Inorganic Filler on the Properties of Asphalt Mastic by Meso-Mechanical Method[D].Jilin:Jilin University,2013
[23]Li ZZ,Wu JL,Chen SF,et al.Influence Factors and Test of Mineral Filler Sedimentation in Asphalt Mortar[J].Journal of Chang’an University(Natural Science Edition),2012,32(4):12-15,20
[24]Yi JY,Cao YX,Feng DC,et al.Characterization of Zirconium Tungstate Filler and Performance Investigation on Asphalt Mastic Made with Zirconium Tungstate Filler[J].Construction and Building Materials,2016,125:387-397