云南高海拔地区级配碎石基层材料组成及性能研究
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摘要
由于半刚性基层沥青路面具有较高的承载力、整体稳定性及抗疲劳性能,因而广泛用于国内重交通道路路面结构,然而,随着半刚性沥青路面的大量使用以及对其认识的深入,发现裂缝是半刚性沥青路面的主要病害,此外,半刚性基层沥青路面结构排水条件差,易造成半刚性沥青路面基层冲刷、唧浆、层间脱空先等病害。具有严格级配要求的级配碎石作为半刚性基层和沥青路面之间的上基层,在功能上可有效地防止和减缓沥青路面的反射裂缝,提高整个路面结构的抗疲劳性能和抗永久变形能力,同时起到排水基层的作用。本文以滇藏二级公路为依托,在借鉴国内外相关研究成果的基础上,对级配碎石在云南高海拔地区的力学性能进行了研究。
通过大量的室内试验,对级配碎石作了CBR、抗剪切、动三轴等力学性能试验,研究了级配对CBR值、抗剪性能参数、动弹模量的影响规律,通过CBR试验和抗剪切试验,得到了最佳级配最大粒径和关键筛孔及其通过率合理变化范围;针对云南高海拔地区气候的特殊性,对级配碎石作了抗冻性能试验和渗透性试验;用Bisar3.0程序得出级配碎石顶面的最大剪切应力,并以此作为级配碎石抗剪切性指标,提出了基于CBR值和剪切强度两个指标控制的级配碎石组成设计方法,最后提出了适合于云南高海拔地区的级配碎石施工工艺。
The semi-rigid asphalt pavement has higher capacity, the overall stability and anti-fatigue properties, which are widely used domestic heavy duty road pavement structure, however, with the semi-rigid asphalt pavement, as well as the use of large quantities of their understanding of the depth, semi-rigid found cracks in asphalt pavement is the main disease, In addition, semi-rigid structure of asphalt pavement poor drainage conditions, could easily lead to semi-rigid asphalt pavement grassroots scouring jack slurry, layer void, and other diseases .With strict grading requirements of the grade gravel as a semi-rigid base gravel and asphalt on the road between the grass-roots level, in the function to be effective in the prevention and alleviation of reflection asphalt pavement cracks, drainage at the same time play the role of the grass-roots level. This paper will take shape based on DianZhang road,Based on research results from both at home and abroad on the basis of the graded gravel in the high altitude region of YunNan mechanical properties were studied.
Through a large number of laboratory tests, graded gravel made CBR, shear, and other mechanical properties of dynamic triaxial test, CBR-matching on the value of the shear performance parameters, dynamic elastic modulus of the impact of the law, through CBR tests and shear tests have been graded the best and the biggest key sieve size and scope of change through reasonable rate. Yunnan against climate High Altitude Area of the peculiarities of the graded gravel made antifreeze performance test and permeability test, Bisar3.0 procedures that use graded gravel top surface of the maximum shear stress, and as a graded gravel shear indicators, based on the CBR to shear strength values and the control of two indicators graded gravel design method.Finally made for the high-altitude area of YunNan graded gravel construction technology
通过大量的室内试验,对级配碎石作了CBR、抗剪切、动三轴等力学性能试验,研究了级配对CBR值、抗剪性能参数、动弹模量的影响规律,通过CBR试验和抗剪切试验,得到了最佳级配最大粒径和关键筛孔及其通过率合理变化范围;针对云南高海拔地区气候的特殊性,对级配碎石作了抗冻性能试验和渗透性试验;用Bisar3.0程序得出级配碎石顶面的最大剪切应力,并以此作为级配碎石抗剪切性指标,提出了基于CBR值和剪切强度两个指标控制的级配碎石组成设计方法,最后提出了适合于云南高海拔地区的级配碎石施工工艺。
The semi-rigid asphalt pavement has higher capacity, the overall stability and anti-fatigue properties, which are widely used domestic heavy duty road pavement structure, however, with the semi-rigid asphalt pavement, as well as the use of large quantities of their understanding of the depth, semi-rigid found cracks in asphalt pavement is the main disease, In addition, semi-rigid structure of asphalt pavement poor drainage conditions, could easily lead to semi-rigid asphalt pavement grassroots scouring jack slurry, layer void, and other diseases .With strict grading requirements of the grade gravel as a semi-rigid base gravel and asphalt on the road between the grass-roots level, in the function to be effective in the prevention and alleviation of reflection asphalt pavement cracks, drainage at the same time play the role of the grass-roots level. This paper will take shape based on DianZhang road,Based on research results from both at home and abroad on the basis of the graded gravel in the high altitude region of YunNan mechanical properties were studied.
Through a large number of laboratory tests, graded gravel made CBR, shear, and other mechanical properties of dynamic triaxial test, CBR-matching on the value of the shear performance parameters, dynamic elastic modulus of the impact of the law, through CBR tests and shear tests have been graded the best and the biggest key sieve size and scope of change through reasonable rate. Yunnan against climate High Altitude Area of the peculiarities of the graded gravel made antifreeze performance test and permeability test, Bisar3.0 procedures that use graded gravel top surface of the maximum shear stress, and as a graded gravel shear indicators, based on the CBR to shear strength values and the control of two indicators graded gravel design method.Finally made for the high-altitude area of YunNan graded gravel construction technology
引文
[1] 何兆益.高等级柔性基层半刚性沥青路面.第1版.中国科学文化出版社.2002.8
[2] 沙庆林. 高等级公路半刚性沥青路面. 人民交通出版社.1999
[3] 张起森,郑健龙等.半刚性基层沥青路面的开裂机理.土木工程学报.1992. 4
[4] 张登良,郑南翔.半刚性基层材料收缩抗裂性能研究.中国公路学报.1991年第4卷第1期
[5] 张嘎吱.考虑抗裂性的水泥稳定类材料配合比设计方法研究.长安大学硕士学位论文.2001
[6] 蔡飞.水泥综合稳定砂砾基层材料抗裂性能研究.长安大学硕士学位论文.2003
[7] 焦新海,周行春著.半刚性路面反射裂缝防治措施研究综述.重庆交通学院学报.1998年3月
[8] 熊有言著.使用土工合成材料防止基层反射裂缝.国外公路.1999. 4
[9] 沈金安.我国高速公路沥青路面建设目前应关注的几个问题www.chinahighwav com,2003-09-16
[10] 王龙等.沥青碎石与级配碎石过渡层在防止半刚性基层反射裂缝的对比分析.东北公路,2002
[11] 何兆益.半刚性路面防止裂缝及其路用性能研究.博士学位论文.南京:东南大学.1997
[12] 鲁华征.级配碎石设计方法研究.长安大学硕士学位论文.2006
[13] 曹建新.重载交通下级配碎石基层材料组成结构与动力特性的研究.哈尔滨工业大学硕士学位论文.2001
[14] 盛煌等.保温措施在多年冻土区道路工程中的应用.冰川冻土.2002. No.10.
[15] 刘向东.基床表层级配碎石生产、施工与质量通病防治.西部探矿工程.2001.No. 21
[16] 冉理等.青藏高原铁路的设计与研究.中国铁道科学.2001.Vo1.22,No.1
[17] 莫石秀.多年冻土地区级配碎石路用性能及设计方法研究.长安大学硕士学位论文.2004
[18] Standard Specification for Graded Aggregate Material For Bases or Subbases for Highways or Airports,ASTM Document Summary,2003
[19] Graded aggregate base FLORIDA DEPARTMENT OF TRANSPORTATION,2004
[20] Susan R.Bigl and Richard L.Berg. Material Testing and Initial Pavement Design Modeling: Minnesota Road Research Project.CRREL Report 96-14,U.S Army Cold Regions Research and Engineering Laboratory, New Hampshire,1996
[21] 交通部.公路工程集料试验规程(JTJ058-2000 ).人民交通出版社.2000
[22] Maureen A. Kestler.An Open Graded Base to Reduce Weakening in Flexible Pavements. Cold Regions Engineering.,1996
[23] Abdel-Salem and Gray Guymon. "Incorporation of a drainage layer and infiltration to frost",Special report ,U.S. Army Cold Regions research and EngineeringLaboratory.,1997
[24] Musharraf And Zaman etc.Resilient Modules Results for Granular Materials.Joumal of Transp. Eng.Vol.120, No.6,1995.
[25] S. F. Brown.Reduced Rutting in Unbound Granular Pavement layers Through Improved Grading Design.Proc. Instin Civ Engrs Transp.,1996.
[26] Gonzalo Rada And Matthew. W .Wiczak .Comprehensive Evaluation of Laboratory Resilient Modules Results for Granular Materials. TRR.810
[27] Vincent C.Janoo And John J.Bayer The Effect of Aggregate Angularity on Base Course Performance US Army Corps of Engineers Cold Regions Research & Engnieering Laboratory September.,2000
[28] 何兆益等.不同成型条件下级配碎石力学特性研究.东南大学学报.1997.Vol.27.No.1.133-135.
[29] 交通部.公路沥青路面施工技术规范(JTG F40-2004 ).人民交通出版社.1994
[30] 袁峻.级配碎石基层性能与设计方法的研究.东南大学硕士学位论文.2004
[31] 中华人民共和国行业标准.公路路面基层施工技术规范(JTJ034-2000 ).人民交通出版社
[32] 林绣贤.柔性路面结构设计方法.人民交通出版社.1988.11
[33] 中华人民共和国行业标准.公路土工试验规程(JTJ-93 ) .人民交通出版社
[34] 陈希哲.粗粒土的强度与咬合力的试验研究[J] .工程力学.1994,11(4):56～63
[35] 中华人民共和国行业标准.公路路基路面现场测试规程(JTJ059-95 ) .人民交通出版社
[36] 中华人民共和国行业标准.公路工程沥青及沥青混合料试验规程(JTJ052-2000 ) .人民交通出版社
[37] 黄松元.散体力学.机械工业出版社.1993.4
[38] John J. Allen and Marshall R. Thompson. Significance of Variably Confined Trial Testing. Transp. Eng. Journal, Nov.,1974
[39] 刘鳞德.我国大型和高压土工仪器设备及测试技术综述.大坝观测与土工测试.1992
[40] 郭诚兼,陈慧远编.土石坝.水利水电出版社.1981
[41] 郭庆国.粗粒土的工程特性及应用.黄河水利出版社.1998
[42] 姚祖康主编.路面.人民交通出版社.1998.9
[2] 沙庆林. 高等级公路半刚性沥青路面. 人民交通出版社.1999
[3] 张起森,郑健龙等.半刚性基层沥青路面的开裂机理.土木工程学报.1992. 4
[4] 张登良,郑南翔.半刚性基层材料收缩抗裂性能研究.中国公路学报.1991年第4卷第1期
[5] 张嘎吱.考虑抗裂性的水泥稳定类材料配合比设计方法研究.长安大学硕士学位论文.2001
[6] 蔡飞.水泥综合稳定砂砾基层材料抗裂性能研究.长安大学硕士学位论文.2003
[7] 焦新海,周行春著.半刚性路面反射裂缝防治措施研究综述.重庆交通学院学报.1998年3月
[8] 熊有言著.使用土工合成材料防止基层反射裂缝.国外公路.1999. 4
[9] 沈金安.我国高速公路沥青路面建设目前应关注的几个问题www.chinahighwav com,2003-09-16
[10] 王龙等.沥青碎石与级配碎石过渡层在防止半刚性基层反射裂缝的对比分析.东北公路,2002
[11] 何兆益.半刚性路面防止裂缝及其路用性能研究.博士学位论文.南京:东南大学.1997
[12] 鲁华征.级配碎石设计方法研究.长安大学硕士学位论文.2006
[13] 曹建新.重载交通下级配碎石基层材料组成结构与动力特性的研究.哈尔滨工业大学硕士学位论文.2001
[14] 盛煌等.保温措施在多年冻土区道路工程中的应用.冰川冻土.2002. No.10.
[15] 刘向东.基床表层级配碎石生产、施工与质量通病防治.西部探矿工程.2001.No. 21
[16] 冉理等.青藏高原铁路的设计与研究.中国铁道科学.2001.Vo1.22,No.1
[17] 莫石秀.多年冻土地区级配碎石路用性能及设计方法研究.长安大学硕士学位论文.2004
[18] Standard Specification for Graded Aggregate Material For Bases or Subbases for Highways or Airports,ASTM Document Summary,2003
[19] Graded aggregate base FLORIDA DEPARTMENT OF TRANSPORTATION,2004
[20] Susan R.Bigl and Richard L.Berg. Material Testing and Initial Pavement Design Modeling: Minnesota Road Research Project.CRREL Report 96-14,U.S Army Cold Regions Research and Engineering Laboratory, New Hampshire,1996
[21] 交通部.公路工程集料试验规程(JTJ058-2000 ).人民交通出版社.2000
[22] Maureen A. Kestler.An Open Graded Base to Reduce Weakening in Flexible Pavements. Cold Regions Engineering.,1996
[23] Abdel-Salem and Gray Guymon. "Incorporation of a drainage layer and infiltration to frost",Special report ,U.S. Army Cold Regions research and EngineeringLaboratory.,1997
[24] Musharraf And Zaman etc.Resilient Modules Results for Granular Materials.Joumal of Transp. Eng.Vol.120, No.6,1995.
[25] S. F. Brown.Reduced Rutting in Unbound Granular Pavement layers Through Improved Grading Design.Proc. Instin Civ Engrs Transp.,1996.
[26] Gonzalo Rada And Matthew. W .Wiczak .Comprehensive Evaluation of Laboratory Resilient Modules Results for Granular Materials. TRR.810
[27] Vincent C.Janoo And John J.Bayer The Effect of Aggregate Angularity on Base Course Performance US Army Corps of Engineers Cold Regions Research & Engnieering Laboratory September.,2000
[28] 何兆益等.不同成型条件下级配碎石力学特性研究.东南大学学报.1997.Vol.27.No.1.133-135.
[29] 交通部.公路沥青路面施工技术规范(JTG F40-2004 ).人民交通出版社.1994
[30] 袁峻.级配碎石基层性能与设计方法的研究.东南大学硕士学位论文.2004
[31] 中华人民共和国行业标准.公路路面基层施工技术规范(JTJ034-2000 ).人民交通出版社
[32] 林绣贤.柔性路面结构设计方法.人民交通出版社.1988.11
[33] 中华人民共和国行业标准.公路土工试验规程(JTJ-93 ) .人民交通出版社
[34] 陈希哲.粗粒土的强度与咬合力的试验研究[J] .工程力学.1994,11(4):56～63
[35] 中华人民共和国行业标准.公路路基路面现场测试规程(JTJ059-95 ) .人民交通出版社
[36] 中华人民共和国行业标准.公路工程沥青及沥青混合料试验规程(JTJ052-2000 ) .人民交通出版社
[37] 黄松元.散体力学.机械工业出版社.1993.4
[38] John J. Allen and Marshall R. Thompson. Significance of Variably Confined Trial Testing. Transp. Eng. Journal, Nov.,1974
[39] 刘鳞德.我国大型和高压土工仪器设备及测试技术综述.大坝观测与土工测试.1992
[40] 郭诚兼,陈慧远编.土石坝.水利水电出版社.1981
[41] 郭庆国.粗粒土的工程特性及应用.黄河水利出版社.1998
[42] 姚祖康主编.路面.人民交通出版社.1998.9