第五课：旧水泥混凝土路面上沥青加铺层反射裂缝疲劳试验研究.pdf

Vol17 Sup1 公 路 交 通 科 技 2000 11 JOURNAL OF HIGHWAY AND TRANSPORTATION RESEARCH AND DEVELOPMENT : 1002026 (2000) S1001705 1 2 3 符冠华, 倪富健, 战高峰 ( 1 , 210017; 2, 210096; 3 , 130021) : 为了比较沥青混凝土不同加铺层材料夹层材料不同结构组合对延缓水泥混凝土反射裂缝产 扩展的效果, 采用模拟加铺层在旧水泥混凝土路面上的运动进行对比试验, 得到了定量的不同材料和结构抗反射裂缝能力的数值, 提出了合理的防治措施 : 旧水泥混凝土路面; 沥青混凝土加铺层; 反射裂缝; 防治措施; 疲劳试验研究 : U41 6 : A Test and Study on Asphalt Overlay Reflection Cracking on Old Cement Concrete Pavement FU Guanhua ( Jiangsu Transporation Research Institute, Jiangsu Nanjing 210017, China) Abstract: This paper presents the comparison tests and study results on the effects of different overlay materials, sandwiched layer ma terials, structure combinations on the occurrence and extension of the reflection cracking of the cement concrete pavement with simulated movement of overlay on old cement concrete pavement to get quantitative cracking resistance indicator for different materials and struc tures, on the base of which appropriate preventive measures have been set forth Key words: Old cement concrete; Asphalt overlay; Reflection cracking; Preventive measures; Fatigue test , , , , , [ 1] , , , , , , , , , ; 3 : ,