基于VTM水泥稳定碎石设计方法研究
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摘要
随着施工技术水平的提高,重型击实法和静压成型法已不能较好反映水泥稳定碎石现场碾压工况及材料的实际路用性能。建立在重型击实法和静压成型法基础上的现行设计方法也难以有效指导水泥稳定碎石材料组成设计以及现场施工质量控制。鉴于此,在充分论述振动试验方法(VTM)可靠性的基础上,开展基于VTM的水泥稳定碎石设计方法研究,具有实际意义。
论文首先对分别验证了振动击实法与振动成型法的可靠性、准确性与精准性,并基于VTM对比分析了两种骨架密实级配性能；基于VTM法,研究水泥稳定碎石力学强度特性,揭示各因素对水泥稳定碎石力学特性影响规律,并建立了两种类型强度关系式；研究基于VTM水泥稳定碎石劈裂疲劳特性,应用威布尔分布理论对疲劳数据处理,并根据路面实际情况修正室内疲劳方程,建立了水泥稳定碎石抗拉强度结构系数KS=0.70N0.043e/Ac；应用疲劳累积损伤定律Miner理论建立水泥稳定碎石基层在施工期与营运期疲劳断裂方程,综合考虑在荷载作用下发生极限破坏,提出了水泥稳定碎石强度设计标准；在此基础上,建立了基于VTM的水泥稳定碎石设计方法。研究成果将进一步促进水泥稳定碎石技术发展。
As with the development of construction technology level, heavy compaction method (HCM)and static pressure producing specimen method (SPSM) already can't better reflect field rolling conditions and actual road properties of Cement Stabilized Crushed Aggregate (CSCA). And current design method based on HCM and SPSM has been difficult to effectively guide mateRpal composition design and construction quality control. ConsideRpng all above, it is of great practical significance to carry out study on the design methodology of CSCA based on analysing the reliability of vibrating test method (VTM).
Firstly, the paper verify the reliability,accuracy and precision of Vibrating Compaction Testing Method and Vibrating Pressure Producing Specimen Method, and performance compaRpson of two skeleton close-grained gradation performance the based on VTM;Secondly, based on VTM,this paper goes deeply into compressive strength properties and splitting strength properties on CSCA, shows the influence rules every factor affect mechanical strength of CSCA and set up equation of two types strength; Thirdly, researched on splitting fatigue properties of Cement Stabilized Crushed Aggregate based on VTM, fatigue data processing with weibull distRpbution theory, and fixed situation fatigue equatio with the actual, established tensile strength structure coefficient of CSCA KS=070Ne0.043/Ac; Finally, application Miner fatigue cumulative damage theory duRpng construction and operation phase, established fatigue fracture equation of CSCA, consideRpng limit damage occurred Under load, puts forward strength design standards of CSCA. Above all,a CSCA design method based on VTM is built in this paper. The study will further promote technology development of Cement Stabilized Crushed Aggregate.
论文首先对分别验证了振动击实法与振动成型法的可靠性、准确性与精准性,并基于VTM对比分析了两种骨架密实级配性能；基于VTM法,研究水泥稳定碎石力学强度特性,揭示各因素对水泥稳定碎石力学特性影响规律,并建立了两种类型强度关系式；研究基于VTM水泥稳定碎石劈裂疲劳特性,应用威布尔分布理论对疲劳数据处理,并根据路面实际情况修正室内疲劳方程,建立了水泥稳定碎石抗拉强度结构系数KS=0.70N0.043e/Ac；应用疲劳累积损伤定律Miner理论建立水泥稳定碎石基层在施工期与营运期疲劳断裂方程,综合考虑在荷载作用下发生极限破坏,提出了水泥稳定碎石强度设计标准；在此基础上,建立了基于VTM的水泥稳定碎石设计方法。研究成果将进一步促进水泥稳定碎石技术发展。
As with the development of construction technology level, heavy compaction method (HCM)and static pressure producing specimen method (SPSM) already can't better reflect field rolling conditions and actual road properties of Cement Stabilized Crushed Aggregate (CSCA). And current design method based on HCM and SPSM has been difficult to effectively guide mateRpal composition design and construction quality control. ConsideRpng all above, it is of great practical significance to carry out study on the design methodology of CSCA based on analysing the reliability of vibrating test method (VTM).
Firstly, the paper verify the reliability,accuracy and precision of Vibrating Compaction Testing Method and Vibrating Pressure Producing Specimen Method, and performance compaRpson of two skeleton close-grained gradation performance the based on VTM;Secondly, based on VTM,this paper goes deeply into compressive strength properties and splitting strength properties on CSCA, shows the influence rules every factor affect mechanical strength of CSCA and set up equation of two types strength; Thirdly, researched on splitting fatigue properties of Cement Stabilized Crushed Aggregate based on VTM, fatigue data processing with weibull distRpbution theory, and fixed situation fatigue equatio with the actual, established tensile strength structure coefficient of CSCA KS=070Ne0.043/Ac; Finally, application Miner fatigue cumulative damage theory duRpng construction and operation phase, established fatigue fracture equation of CSCA, consideRpng limit damage occurred Under load, puts forward strength design standards of CSCA. Above all,a CSCA design method based on VTM is built in this paper. The study will further promote technology development of Cement Stabilized Crushed Aggregate.
引文
[1]章建龙.水泥稳定碎石振动成型试验研究[D].西安：长安大学,2008.
[2]陈磊.水泥稳定碎石振动试验方法研究[D].西安：长安大学,2009.
[3]李明杰.水泥稳定碎石振动试验方法研究及应用[D].西安：长安大学,2010.
[4]李頔.基于振动法的级配碎石设计标准与设计方法研究[D].西安：长安大学,2010.
[5]蒋应军.基于振动法设计的抗裂型水泥稳定碎石基层应用研究[J].公路,2008,12：36-40.
[6]沈金安.国外沥青路面设计方法汇总[M].北京：人民交通出版社,2004.
[7]JTG D50-2006.公路沥青路面设计规范[S].北京：人民交通出版社.2006.
[8]JTJ014-97,公路沥青路面设计规范[S].北京：人民交通出版社.1997.
[9]JTG E51-2009.公路工程无机结合料稳定材料试验规程[S].北京：人民交通出版社.2009
[10]张永红.高性能水泥稳定集料强度标准研究.西安：长安大学,2005.
[11]李德文.水泥稳定碎石强度控制指标及标准研究.西安：长安大学,2007.
[12]李淑明,许志鸿.水泥稳定碎石基层的最低劈裂强度和无侧限抗压强度[J].建筑材料学报,2007,10(2)：177-182.
[13]张尤平,成晟,倪富健.水泥稳定碎石基层合理强度研究[J].公路交通科技(应用技术版),2008(11)：13-16.
[14]沙爱民.半刚性基层的材料特性[J].中国公路学报.2008(1)：1-5.
[15]胡力群,沙爱民.骨架密实结构水泥稳定碎石粗集料抗破碎性能研究[J].公路,2005(6)：153-157.
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[17]李美江.道路材料振动压实特性研究[D].西安：长安大学,2002.
[18]胡立群.半刚性基层材料结构类型与组成设计研究[D].西安：长安大学,2004.
[19]蒋应军,张毅,刘海鹏.基于振动法设计的水泥稳定碎石施工质量控制[J].筑路机械与施工机械化,2008,25(10)：47-50.
[20]沙爱民,贾侃,李小刚.半刚性基层材料的疲劳特性[J].交通运输工程学报,2009,9(03)： 29-33.
[21]Hu Liqun,Sha Aimin. Study on performances of cement stabilized aggregatewith different aggregate gradation[C]//Rongfang (Rachel) Liu, Jin Zhang, Changqian guan.Logistics:the emerging frontiers of transportation and development inChina:proceedings of the Eighth International Conference of Chinese Logistics and Transportation Professiona 1s.Virginia:AmeRpcan Society of Civil EngineeRpng,2008:2479-2484.
[22]Sukhvarsh Jerath,P.E., M.ASCE, et al.Effect of Fly Ash Content and Aggregate Gradation on the Durability of Concrete Pavements [J]. Journal of mateRpals in civil engineeRpng,2007,19(5):367-375.
[23]蒋应军,任皎龙,徐寅善等.级配碎石力学性能的颗粒流数值模拟方法[J].同济大学学报(自然科学版),2011,39(5)：699-704.
[24]蒋应军,王富玉,刘斌.水泥稳定碎石强度特性的试验研究[J].武汉理工大学学报,2009,31(15)：52-57.
[25]蒋应军.水泥稳定碎石振动试验方法及工程应用研究[D].南京：东南大学,2009.
[26]蒋应军,李明杰,张俊杰等.水泥稳定碎石强度影响因素[J].长安大学学报(自然科学版),2010,30(4)：1-7.
[27]李明杰.水泥稳定碎石强度影响因素的试验研究[J].公路交通科技,2010,27(4)：6-11.
[28]李明杰.水泥稳定碎石振动试验方法研究及应用[D].西安：长安大学,2009.
[29]李明杰,蒋应军,戴经梁.水泥稳定碎石缩裂机理及在级配设计中应用[J].武汉理工大学学报,2010,32(03)：1-8.
[30]蒋应军.水泥稳定碎石振动试验方法及工程应用研究[D].南京：东南大学,2009.
[31]魏昌俊.半刚性路面基层的弯拉和劈裂疲劳特性[J]重庆交通学院学报,1998,01：58-61.
[32]高镇同、熊峻江.疲劳可靠性[M].北京：北京航空航天大学出版社,2000.12.
[33]王艳,倪富健,李再新.水泥稳定碎石混合料疲劳性能[J].交通运输工程学报,2009,9(4)：10-14.
[34]沙爱民,贾侃,李小刚.半刚性基层材料的疲劳特性[J].交通运输工程学报,2009,9(3)：29-33.
[35]邓学钧.路基路面工程(第三版)[M].北京：人民交通出版社.2008.05.
[36]M.A.Miner.Cumulative damage in fatigue.J.Appl.Mech.,(1945),12(3):A159～A164.
[2]陈磊.水泥稳定碎石振动试验方法研究[D].西安：长安大学,2009.
[3]李明杰.水泥稳定碎石振动试验方法研究及应用[D].西安：长安大学,2010.
[4]李頔.基于振动法的级配碎石设计标准与设计方法研究[D].西安：长安大学,2010.
[5]蒋应军.基于振动法设计的抗裂型水泥稳定碎石基层应用研究[J].公路,2008,12：36-40.
[6]沈金安.国外沥青路面设计方法汇总[M].北京：人民交通出版社,2004.
[7]JTG D50-2006.公路沥青路面设计规范[S].北京：人民交通出版社.2006.
[8]JTJ014-97,公路沥青路面设计规范[S].北京：人民交通出版社.1997.
[9]JTG E51-2009.公路工程无机结合料稳定材料试验规程[S].北京：人民交通出版社.2009
[10]张永红.高性能水泥稳定集料强度标准研究.西安：长安大学,2005.
[11]李德文.水泥稳定碎石强度控制指标及标准研究.西安：长安大学,2007.
[12]李淑明,许志鸿.水泥稳定碎石基层的最低劈裂强度和无侧限抗压强度[J].建筑材料学报,2007,10(2)：177-182.
[13]张尤平,成晟,倪富健.水泥稳定碎石基层合理强度研究[J].公路交通科技(应用技术版),2008(11)：13-16.
[14]沙爱民.半刚性基层的材料特性[J].中国公路学报.2008(1)：1-5.
[15]胡力群,沙爱民.骨架密实结构水泥稳定碎石粗集料抗破碎性能研究[J].公路,2005(6)：153-157.
[16]沙爱民.半刚性路面材料结构与性能[M].北京：人民交通出版社,1998.4.
[17]李美江.道路材料振动压实特性研究[D].西安：长安大学,2002.
[18]胡立群.半刚性基层材料结构类型与组成设计研究[D].西安：长安大学,2004.
[19]蒋应军,张毅,刘海鹏.基于振动法设计的水泥稳定碎石施工质量控制[J].筑路机械与施工机械化,2008,25(10)：47-50.
[20]沙爱民,贾侃,李小刚.半刚性基层材料的疲劳特性[J].交通运输工程学报,2009,9(03)： 29-33.
[21]Hu Liqun,Sha Aimin. Study on performances of cement stabilized aggregatewith different aggregate gradation[C]//Rongfang (Rachel) Liu, Jin Zhang, Changqian guan.Logistics:the emerging frontiers of transportation and development inChina:proceedings of the Eighth International Conference of Chinese Logistics and Transportation Professiona 1s.Virginia:AmeRpcan Society of Civil EngineeRpng,2008:2479-2484.
[22]Sukhvarsh Jerath,P.E., M.ASCE, et al.Effect of Fly Ash Content and Aggregate Gradation on the Durability of Concrete Pavements [J]. Journal of mateRpals in civil engineeRpng,2007,19(5):367-375.
[23]蒋应军,任皎龙,徐寅善等.级配碎石力学性能的颗粒流数值模拟方法[J].同济大学学报(自然科学版),2011,39(5)：699-704.
[24]蒋应军,王富玉,刘斌.水泥稳定碎石强度特性的试验研究[J].武汉理工大学学报,2009,31(15)：52-57.
[25]蒋应军.水泥稳定碎石振动试验方法及工程应用研究[D].南京：东南大学,2009.
[26]蒋应军,李明杰,张俊杰等.水泥稳定碎石强度影响因素[J].长安大学学报(自然科学版),2010,30(4)：1-7.
[27]李明杰.水泥稳定碎石强度影响因素的试验研究[J].公路交通科技,2010,27(4)：6-11.
[28]李明杰.水泥稳定碎石振动试验方法研究及应用[D].西安：长安大学,2009.
[29]李明杰,蒋应军,戴经梁.水泥稳定碎石缩裂机理及在级配设计中应用[J].武汉理工大学学报,2010,32(03)：1-8.
[30]蒋应军.水泥稳定碎石振动试验方法及工程应用研究[D].南京：东南大学,2009.
[31]魏昌俊.半刚性路面基层的弯拉和劈裂疲劳特性[J]重庆交通学院学报,1998,01：58-61.
[32]高镇同、熊峻江.疲劳可靠性[M].北京：北京航空航天大学出版社,2000.12.
[33]王艳,倪富健,李再新.水泥稳定碎石混合料疲劳性能[J].交通运输工程学报,2009,9(4)：10-14.
[34]沙爱民,贾侃,李小刚.半刚性基层材料的疲劳特性[J].交通运输工程学报,2009,9(3)：29-33.
[35]邓学钧.路基路面工程(第三版)[M].北京：人民交通出版社.2008.05.
[36]M.A.Miner.Cumulative damage in fatigue.J.Appl.Mech.,(1945),12(3):A159～A164.