道路工程设计原理概述VIP专享VIP免费

山东交通学院道路工程课程设计院(系)别土木工程系专业土木工程班级学号姓名指导教师胡朋成绩第1页共38页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共38页二○○九年六月目录一、新建沥青混凝土路面设计····························21.交通分析及设计弯沉值的确定·····························21.1轴载分析·········································21.2路面设计弯沉值的计算·······························72.土基回弹模量的确定························83.结构组合与材料的初选定······························84.各层材料抗压模量与劈裂强度的确定····················85.设计指标的确定································96.设计资料总结·····························第2页共38页第1页共38页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共38页············107.确定石灰煤渣矿渣层厚度································11二、旧路面（沥青混凝土路面）补强设计····························15三、新建水泥混凝土路面设计····························191.交通分析·····································192.初拟路面结构··························223.路面材料参数确定·····························234.荷载疲劳应力计算·····························245.温度疲劳应力计算·····························246.应力复合······································25四、相关图纸····················································26五、心得体会····················································30六、主要参考资第3页共38页第2页共38页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共38页料·················································31一、新建沥青混凝土路面设计1、交通分析及设计弯沉值的确定。1.1轴载分析设计年限内一个车道的累计当量轴次数计算（确定路面等级）。车型总重（KN）后轴重（KN）后轴数辆/日解放CA10B19.460.851900黄河JN15049101.61360日野KB22250.2104.31123太脱拉13851.4802（轴距≤3）74东风KM34024.667.811030黄河JN36263127121日野FC16423.97113501.1.1当以设计弯沉值为指标及沥青层层底拉应力验算时，各级轴载Pi的作用次数ni，匀应按下式换算成标准轴载P的当量作用次数N。匀应按下式换算成标准轴载P的当量作用次数N。根据《公路沥青路面设计规范》公式3.1.2-1第4页共38页第3页共38页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第4页共38页①解放CA10B（次）②黄河JN150（次）③日野KB222（次）④太脱拉138由于后轴距≤3，故C1,i=1+1.2（m-1）=2.2（次）⑤东风KM340第5页共38页第4页共38页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第5页共38页（次）⑥黄河JN362（次）⑦日野FC164（次）N总=108.30+489.21+187.00+87.86+204.75+77.41+83.32=1237.85（次）1.1.2当进行半刚性基层层底拉应力验算时，各级轴载Pi的作用次数ni，匀应按下式换算成标准轴载P的当量作用次数N‘。按《道路公程》2.3.7得N=∑i=1kC1,i'C2,i'ni(piP)8①解放CA10B第6页共38页第5页共38页...