透水再生混凝土抗压及耐磨性能试验研究
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摘要
为了探讨再生混凝土粗骨料取代率、水灰比对透水混凝土路用性能的影响,开展了透水再生混凝土孔隙率、立方体抗压强度及耐磨性能的试验研究。试验结果表明,水灰比及再生混凝土粗骨料取代率对三者均有着一定程度的影响;水灰比增大会增加透水再生混凝土的总孔隙率及有效孔隙率,但会降低立方体抗压强度及耐磨性能;再生混凝土粗骨料取代率增加会导致透水再生混凝土总孔隙及有效孔隙率的增大,但会造成立方体抗压强度及耐磨性能的降低;透水再生混凝土的立方体抗压强度与有效孔隙率呈幂函数关系,耐磨性能(单位面积上的质量损失)与有效孔隙率、立方体抗压强度也呈幂函数关系,且相关性较好,可作为各性能指标相互关系的估算式。
In order to investigate the influence of the replacement ratio of recycled concrete coarse aggregate and the water-cement ratio on the road performance of the pervious concrete,the experimental research on the porosity,cubic compressive strength and abrasion resistance of the recycled pervious concrete was carried out.The test results showed that the water-cement ratio and the replacement ratio of recycled concrete coarse aggregate had a certain degree of influence on the above performance index;the increasing of water-cement ratio increased the total porosity and effective porosity of pervious recycled concrete,but decreased the cubic compressive strength and abrasion resistance.And the increasing of the replacement ratio of recycled concrete coarse aggregate would lead to the increasing of the total porosity and effective porosity of pervious recycled concrete,but decreased the cubic compressive strength and abrasion resistance.The cubic compressive strength is a power function relationship with the effective porosity of pervious recycled concrete,and the abrasion resistance(mass loss per unit area)is also a power function relationship with the effective porosity and cubic compressive strength,and the correlation is good,so the relation formula can be used as an estimation formula for the relationship of each performance index.
In order to investigate the influence of the replacement ratio of recycled concrete coarse aggregate and the water-cement ratio on the road performance of the pervious concrete,the experimental research on the porosity,cubic compressive strength and abrasion resistance of the recycled pervious concrete was carried out.The test results showed that the water-cement ratio and the replacement ratio of recycled concrete coarse aggregate had a certain degree of influence on the above performance index;the increasing of water-cement ratio increased the total porosity and effective porosity of pervious recycled concrete,but decreased the cubic compressive strength and abrasion resistance.And the increasing of the replacement ratio of recycled concrete coarse aggregate would lead to the increasing of the total porosity and effective porosity of pervious recycled concrete,but decreased the cubic compressive strength and abrasion resistance.The cubic compressive strength is a power function relationship with the effective porosity of pervious recycled concrete,and the abrasion resistance(mass loss per unit area)is also a power function relationship with the effective porosity and cubic compressive strength,and the correlation is good,so the relation formula can be used as an estimation formula for the relationship of each performance index.
引文
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[21]HASELBACH L M,FREEMAN R M.Vertical porosity distributions in pervious concrete pavement[J].Aci Materials Journal,2006,103(6):452-458.
[2]GHAFOORI N,DUTTA S.Laboratory investigation of compacted nofines concrete for paving materials[J].Journal of Materials in Civil Engineering,1995,7(3):183-191.
[3]BRIAN S,PEARSON A.Permeable concrete eco-paving as best management practice in Australian urban road engineering[J].21st Australia Road Research Board(ARRB)Conference.Cairns Qld,Australia,2003.
[4]BANDYOPADHYAY J,CHAKRABORTY R,DEB S.Comparative study on various parameters of pervious concrete for different size of coarse aggregates[J].International Journal of Research and Analytical Reviews,2015,2(2):123-129.
[5]LONGHI M,GONZALEZ M,RAHMAN S,et al.Evaluation of strength and abrasion resistance of pervious concrete mixes using three types of cements[C]//Transportation Research Board 94th Annual Meeting,2015(15-3369).
[6]JOSHAGHANI A,RAMEZANIANPOUR A A,ATAEI O,et al.Optimizing pervious concrete pavement mixture design by using the Taguchi method[J].Construction and Building Materials,2015(101):317-325.
[7]GURUJI A,RANA A V.Urban storm water management through pervious concrete pavement[C]//National Conference on recent research and development in core disciplines of engineering.vadodara,Gujarat,2015:1-3.
[8]FWA T F,LIM E,TAN K H.Comparison of permeability and clogging characteristics of porous asphalt and pervious concrete pavement materials[J].Transportation Research Record:Journal of the Transportation Research Board,2015(2511):72-80.
[9]ERHAN G,et al.Effect of different substitution of natural aggregate by recycled aggregate on performance characteristics of pervious concrete[J].Materials and Structures 49.1-2,2016:521-536.
[10]CHINDAPRASIRT P,NUAKLONG P,ZAETANG Y,et al.Mechanical and thermal properties of recycling lightweight pervious concrete[J].Arabian Journal for Science and Engineering,2015,40(2):443-450.
[11]KIM Y J,GADDAFI A,YOSHITAKE I.Permeable concrete mixed with various admixtures[J].Materials&Design,2016(100):110-119.
[12]CHANG J J,YEIH W,CHUNG T J,et al.Properties of pervious concrete made with electric arc furnace slag and alkali-activated slag cement[J].Construction and Building Materials,2016(109):34-40.
[13]IBRAHIM H A,RAZAK H A,ABUTAHA F.Strength and abrasion resistance of palm oil clinker pervious concrete under different curing method[J].Construction&Building Materials,2017(147):576-587.
[14]普通混凝土力学性能试验方法标准:GB/T 50081-2002[S].
[15]YANG J,JIANG G.Experimental study on properties of pervious concrete pavement materials[J].Cement&Concrete Research,2003,33(3):381-386.
[16]WANG K,SCHAEFER V R,KEVERN J T,et al.Development of mix proportion for functional and durable pervious concrete[C]//NRMCA Concrete Technology Forum:Focus on Pervious Concrete,2006:24-25.
[17]HASELBACH L,FREEMAN R.Vertical porosity distributions in pervious concrete pavement[J].Materials Journal,2006,103(6):452-458.
[18]公路工程水泥及水泥混凝土试验规程:JTG E30-2005[S].人民交通出版社,2009.
[19]NEITHALATH N.Extracting the performance predictors of enhanced porosity concretes from electrical conductivity spectra[J].Cement&Concrete Research,2007,37(5):796-804.
[20]NEITHALATH N,WEISS J,OLEK J.Characterizing enhanced porosity concrete using electrical impedance to predict acoustic and hydraulic performance[J].Cement&Concrete Research,2006,36(11):2074-2085.
[21]HASELBACH L M,FREEMAN R M.Vertical porosity distributions in pervious concrete pavement[J].Aci Materials Journal,2006,103(6):452-458.