有机纤维混凝土路用性能研究
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摘要
随着公路交通的发展，交通量增加，轴载加重，交通渠化等对高等级公路路面提出了更高的质量要求。十几年的高等级公路建设实践表明，水泥路面的使用寿命远远小于其设计寿命，往往在通车几年后就出现一些病害，如坑槽、断板等病害，带来的直接、间接经济损失和不良的社会影响。解决这些问题，除了运用行政强制手段控制超载车辆外，必须提高水泥混凝土的弯拉强度、疲劳强度、耐磨强度、阻裂限缩能力，从而提高水泥混凝土路面的使用寿命。
目前，提高水泥路面使用品质的途径之一就是通过改善水泥混凝土的配合比来提高水泥混凝土的各种路用性能，但是其实际使用效果并不是很显著。采用在水泥混凝土中掺加纤维的方法可以获得比普通水泥混凝土抗拉强度和韧性更高的纤维混凝土。从而大幅度的提高混凝土的弯曲疲劳等路用性能。
文章研究了不同掺量有机纤维混凝土的抗压、抗折强度、抗冲及性能、疲劳性能及耐磨性等各种路用性能，综合论述了有机纤维对水泥混凝土路用性能的影响。通过试验阐述了纤维水泥混凝土各种路用性能与纤维掺量、长度间的关系。分析表明纤维水泥混凝土随着纤维掺量和长度增加而增加，且纤维掺量对纤维混凝土抗拉强度的影响比纤维长度的影响更大。有机纤维不但使混凝土的强度提高，更重要的是在大应力作用下，可成倍提高混凝土的弯曲疲劳寿命。另外，文中还介绍了有机纤维混凝土在路面工程中的应用实例及设计施工方法。
With the developing highway communications,the traffic is increasing and axle is becoming heavier and heavier ,all of these demand the high quality of cement concrete pavement the experience of past ten years in highway construction shows that the practical life time of cement concrete pavement is far more shorter than anticipated.damages such as cracking are offen occurred in first serval years they caused direct and indirect economic losses and bad social influences.in addition to control overloaded vehicles by means of administration,the compressive strength,bending strength wear-ability should be improved to solve all these problems.
By far the primary methods to improve the quality of cement concrete is to vary the ratio of differete conpound,but of effection is not evidently the tensile strength and toughness of soil stabilization with Portland cement mixed fiber obtained is higher than those of the soil stabilization with Portland cenment.adding polypropylene to cement concrete can increase the conrete pavement performance,improve the flexural fatigue property.
The essay researched the compressive strength,bending strength,impact resistance and abrasion resistance of high strength polypropylene fibermesh concrete the mechanism of enhancing the properties of high strengh poloypropylence fibemesh road concrete composite was discussed and analyzed the regression on tensile strengh with Portland cement mixed with fiber was derived using experiment the tensile strength of fiber soil stablization with porland cement was increased with dosage and length of fiber while the former was more effective than the latter test and analysis results indicate that polypropylene fiber can not only reinforce the strength of concrete,but also obviously promote the flexural fatigue life by the great stress the application of polypropylence fiber reinforced concrete in pavement construcion are also introduced.
目前，提高水泥路面使用品质的途径之一就是通过改善水泥混凝土的配合比来提高水泥混凝土的各种路用性能，但是其实际使用效果并不是很显著。采用在水泥混凝土中掺加纤维的方法可以获得比普通水泥混凝土抗拉强度和韧性更高的纤维混凝土。从而大幅度的提高混凝土的弯曲疲劳等路用性能。
文章研究了不同掺量有机纤维混凝土的抗压、抗折强度、抗冲及性能、疲劳性能及耐磨性等各种路用性能，综合论述了有机纤维对水泥混凝土路用性能的影响。通过试验阐述了纤维水泥混凝土各种路用性能与纤维掺量、长度间的关系。分析表明纤维水泥混凝土随着纤维掺量和长度增加而增加，且纤维掺量对纤维混凝土抗拉强度的影响比纤维长度的影响更大。有机纤维不但使混凝土的强度提高，更重要的是在大应力作用下，可成倍提高混凝土的弯曲疲劳寿命。另外，文中还介绍了有机纤维混凝土在路面工程中的应用实例及设计施工方法。
With the developing highway communications,the traffic is increasing and axle is becoming heavier and heavier ,all of these demand the high quality of cement concrete pavement the experience of past ten years in highway construction shows that the practical life time of cement concrete pavement is far more shorter than anticipated.damages such as cracking are offen occurred in first serval years they caused direct and indirect economic losses and bad social influences.in addition to control overloaded vehicles by means of administration,the compressive strength,bending strength wear-ability should be improved to solve all these problems.
By far the primary methods to improve the quality of cement concrete is to vary the ratio of differete conpound,but of effection is not evidently the tensile strength and toughness of soil stabilization with Portland cement mixed fiber obtained is higher than those of the soil stabilization with Portland cenment.adding polypropylene to cement concrete can increase the conrete pavement performance,improve the flexural fatigue property.
The essay researched the compressive strength,bending strength,impact resistance and abrasion resistance of high strength polypropylene fibermesh concrete the mechanism of enhancing the properties of high strengh poloypropylence fibemesh road concrete composite was discussed and analyzed the regression on tensile strengh with Portland cement mixed with fiber was derived using experiment the tensile strength of fiber soil stablization with porland cement was increased with dosage and length of fiber while the former was more effective than the latter test and analysis results indicate that polypropylene fiber can not only reinforce the strength of concrete,but also obviously promote the flexural fatigue life by the great stress the application of polypropylence fiber reinforced concrete in pavement construcion are also introduced.
引文
[1]O．J．汉南特，纤维水泥与纤维混凝土，中国建筑工业出版社，1986，8
[2]肖桂彰．道路复合材料。人民交通出版社．1999
[3]吴初航．水泥混凝土路面施工及新技术。人民交通出版社．2000
[4]A．凯利．高强材料．中国建筑工业出版社．1983
[5]林绣贤．柔性路面设计方法．人民交通出版社．1988，4
[6]李光伟，杨元慧，聚丙烯纤维混凝土性能试验研究，水电工程研究1999，4
[7]李光伟，聚丙烯纤维对混凝土抗裂性能的影响，水电站设计2002．4
[8]陈枫，聚丙烯纤维在增强混凝土材料中的应用，现代塑料加工应用．2002，2
[9]孙家瑛，魏涛．聚丙烯纤维对混凝土路用性能的影响．混凝土．2001，6
[10]郭海洋．改性异形聚丙烯(PP)纤维增强水泥混凝土抗裂性研究．山东纺织科技．2001，5
[11]周震雷，孙家瑛．网状聚丙烯纤维对高性能混凝土耐久性影响．山东建材学院学报，2003，3
[12]孙家瑛，聚丙烯纤维对高性能混凝土抗折强度、抗冲击性能影响研究，2002，2
[13]许志鸿．高等级公路路面结构的力学分析，1990，2
[14]交通部公路科学研究所．半刚性基层路面结构的研究，1990
[15]黄瑞武，张长江．广深高速公路论面设计、施工改况．1999，5
[16]陈炳麟译．路面设计原理，人民交通出版社．1988
[17]朱江．苏健波．聚丙烯纤维混凝土的力学性能研究．广西工学院学报．2002．2
[18]曹诚贵．关于聚丙烯纤维对混凝土性能影响的几点认识．混凝土．2002，9
[19]赵方冉．低弹模纤维对混凝土路面性能影响，公路交通科技．2002
[20]朱江．聚丙烯纤维混凝土在路面工程中的应用研究．广东工业大学学报，2001，6
[21]张强，张津辰．聚丙烯纤维混凝土在路面工程中的应用．天津市政工程．1999，6
[22]莫永京，彭红涛．纤维水泥混凝土抗拉强度的试验研究．中国农业大学学报，1999．4
[23]张旭东．战永亮．纤维土强度特性的试验研究，路基工程，2001，1
[24]葛其荣．郑子祥等．宁波白溪水库二期面板聚丙烯纤维混凝土试验研究．建筑结构．2000，9
[25]宋焕宇，冯建平．公路纤维混凝土路面的应用研究．松辽学刊，2000(4)
[26]隋永芹．道路钢纤维混凝土力学性能及耐磨性能研究，东北公路，1999，9
[27]张勇．不同纤维对轻集料混凝土韧性性能影响研究．东北公路，2001，(3)
[28]何元，廖宪廷，聚丙烯纤维在水泥混凝土中的应用．合成技术及应用，1998，(4)
[29]陈拴发，聚丙烯纤维混凝土弯取疲劳性能，西安公路交通大学学报，2001，(2)
[30]战高峰，董伟智，县乡公路半刚性基层超薄面层的研究，吉林建筑工程学院学报，1999，(2)
[31]曹成，聚丙烯纤维混凝土的动载力学特性研究，天津市政工程．2000，(1)
[32]袁勇，合成纤维增强混凝土的发展前景，混凝土，2002，(9)
[33]朱照宏、王秉刚、郭大智．路面力学计算．人民交通出版社，1985，9
[34]Gopalaratram. ACIMarer. J. 1991.88(4):339～53
[35]Zollo F.High Perfomance Fiber Reinf. Cem.Compos. Proc. Int. Workshop, 1991:84～99
[36]Aspalt Instiute.Thickness design-asphalt pavements for highways and streets, Manuanl Series No.1(MS-1).College Park: Asphalt Instiute, 1981
[37]Aspalt Instiute. Asphalt overlays for highways and street rehabilitation, Manuanl Series No. 1(MS-1).College Park: Asphalt Instiute, 1983
[38]PCA.Thichness design for concrete highway and street pavoments. Skokie:PCA,1984
[39]PCA.Subgrades and subbase for concrete pavements. Skokie:PCA,1986
[40]The aspalt Instiute.. Asphalt overlayers for highway and street rehabilitation. Manual Series, No17(MS-17), 1983
[41]Henry, J.J.Overiew of the International Friction Index. Proceedings, 3rd Intemational Sympo-sium on Pavement Surface Characteristcs. New Zealand, 1996:37
[42]AI, 1981 b. Asphalt Pavement Thickness Design, Information Series No181, Asphalt Insitute
[43]ASTM, 1989b, Annual Books of ASTM Standards, Road and Paving Materials:Travaled Surface Characteristics, Vol.04.03, American Society for Testing and Materials
[44]Darter M.I.Reliablity Concepts Applied to the Texas Flexible Pavement System. HRR407, Washington D.C :HRB,1972
[45]Highway Rearch Board.Structural Design of Asphalt Concrete Pavement System. HRB, Specail Report 126 Washington D.C :HRB, 1971
[2]肖桂彰．道路复合材料。人民交通出版社．1999
[3]吴初航．水泥混凝土路面施工及新技术。人民交通出版社．2000
[4]A．凯利．高强材料．中国建筑工业出版社．1983
[5]林绣贤．柔性路面设计方法．人民交通出版社．1988，4
[6]李光伟，杨元慧，聚丙烯纤维混凝土性能试验研究，水电工程研究1999，4
[7]李光伟，聚丙烯纤维对混凝土抗裂性能的影响，水电站设计2002．4
[8]陈枫，聚丙烯纤维在增强混凝土材料中的应用，现代塑料加工应用．2002，2
[9]孙家瑛，魏涛．聚丙烯纤维对混凝土路用性能的影响．混凝土．2001，6
[10]郭海洋．改性异形聚丙烯(PP)纤维增强水泥混凝土抗裂性研究．山东纺织科技．2001，5
[11]周震雷，孙家瑛．网状聚丙烯纤维对高性能混凝土耐久性影响．山东建材学院学报，2003，3
[12]孙家瑛，聚丙烯纤维对高性能混凝土抗折强度、抗冲击性能影响研究，2002，2
[13]许志鸿．高等级公路路面结构的力学分析，1990，2
[14]交通部公路科学研究所．半刚性基层路面结构的研究，1990
[15]黄瑞武，张长江．广深高速公路论面设计、施工改况．1999，5
[16]陈炳麟译．路面设计原理，人民交通出版社．1988
[17]朱江．苏健波．聚丙烯纤维混凝土的力学性能研究．广西工学院学报．2002．2
[18]曹诚贵．关于聚丙烯纤维对混凝土性能影响的几点认识．混凝土．2002，9
[19]赵方冉．低弹模纤维对混凝土路面性能影响，公路交通科技．2002
[20]朱江．聚丙烯纤维混凝土在路面工程中的应用研究．广东工业大学学报，2001，6
[21]张强，张津辰．聚丙烯纤维混凝土在路面工程中的应用．天津市政工程．1999，6
[22]莫永京，彭红涛．纤维水泥混凝土抗拉强度的试验研究．中国农业大学学报，1999．4
[23]张旭东．战永亮．纤维土强度特性的试验研究，路基工程，2001，1
[24]葛其荣．郑子祥等．宁波白溪水库二期面板聚丙烯纤维混凝土试验研究．建筑结构．2000，9
[25]宋焕宇，冯建平．公路纤维混凝土路面的应用研究．松辽学刊，2000(4)
[26]隋永芹．道路钢纤维混凝土力学性能及耐磨性能研究，东北公路，1999，9
[27]张勇．不同纤维对轻集料混凝土韧性性能影响研究．东北公路，2001，(3)
[28]何元，廖宪廷，聚丙烯纤维在水泥混凝土中的应用．合成技术及应用，1998，(4)
[29]陈拴发，聚丙烯纤维混凝土弯取疲劳性能，西安公路交通大学学报，2001，(2)
[30]战高峰，董伟智，县乡公路半刚性基层超薄面层的研究，吉林建筑工程学院学报，1999，(2)
[31]曹成，聚丙烯纤维混凝土的动载力学特性研究，天津市政工程．2000，(1)
[32]袁勇，合成纤维增强混凝土的发展前景，混凝土，2002，(9)
[33]朱照宏、王秉刚、郭大智．路面力学计算．人民交通出版社，1985，9
[34]Gopalaratram. ACIMarer. J. 1991.88(4):339～53
[35]Zollo F.High Perfomance Fiber Reinf. Cem.Compos. Proc. Int. Workshop, 1991:84～99
[36]Aspalt Instiute.Thickness design-asphalt pavements for highways and streets, Manuanl Series No.1(MS-1).College Park: Asphalt Instiute, 1981
[37]Aspalt Instiute. Asphalt overlays for highways and street rehabilitation, Manuanl Series No. 1(MS-1).College Park: Asphalt Instiute, 1983
[38]PCA.Thichness design for concrete highway and street pavoments. Skokie:PCA,1984
[39]PCA.Subgrades and subbase for concrete pavements. Skokie:PCA,1986
[40]The aspalt Instiute.. Asphalt overlayers for highway and street rehabilitation. Manual Series, No17(MS-17), 1983
[41]Henry, J.J.Overiew of the International Friction Index. Proceedings, 3rd Intemational Sympo-sium on Pavement Surface Characteristcs. New Zealand, 1996:37
[42]AI, 1981 b. Asphalt Pavement Thickness Design, Information Series No181, Asphalt Insitute
[43]ASTM, 1989b, Annual Books of ASTM Standards, Road and Paving Materials:Travaled Surface Characteristics, Vol.04.03, American Society for Testing and Materials
[44]Darter M.I.Reliablity Concepts Applied to the Texas Flexible Pavement System. HRR407, Washington D.C :HRB,1972
[45]Highway Rearch Board.Structural Design of Asphalt Concrete Pavement System. HRB, Specail Report 126 Washington D.C :HRB, 1971
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