四级公路路基路面弯沉值标准竣工验收弯沉值计算公路等级: 四级公路新建路面的层数 标准轴载:BZZ-100 层位结构层材料名称厚(cm) 抗压模量(MPa) 中粒式沥青混凝土51200 水泥灰稳定土20800 天然砂砾15 200 天然砂砾20150 土基40计算新建路面各结构层及土基顶面竣工验收弯沉值 层路面顶面竣工验收弯沉值LS= 48.6 (0.01mm) LS=59.8 (0.01mm) 层路面顶面竣工验收弯沉值LS= 136.4 (0.01mm) 层路面顶面竣工验收弯沉值LS= 220.2 (0.01mm) 土基顶面竣工验收弯沉值 LS= 292.5 (0.01mm)(根据“基层施工规范”第88 页公式) LS= 232.9 (0.01mm)(根据“测试规程”第56 页公式) 一、公路回弹弯沉值的作用 (一)概述 路基路面回弹弯沉的设计计算与检测,是公路建设过程中必不可少的一部份, 是勘察设计、施工监理和检测单位都要进行的一个工作事项。首先由设计单位设计 出弯沉值,再由施工单位去执行施工自检,然后由监理、检测部school)], housebuilding morethan 1000 copies books,more than 10 kinds magazines,fires burnt down. Japaneselearned nationalGovernment established XITang Tomb rotten "clip" taxes, tax officers live YanDong village farmers home, troops night,Yao burnedseveral houses. 1938 new morning September18, Japaneseteam went countryside"sweep" from kaiyangvillage line TungYang Jia Qiao yan Temple wall metYang Jia ZhouDana (male) weeks because long-termillness can´twork Japanesesee his face from scratch without calluses, regard him "Shina",thrust hisdeath. times,wound 13. sameday, Trang bang village heard Japanesecome hiding,mother ZhouGuanbao Zhang Aying "drymound", sameday, zhouhaijiangzhigrandfather Zhou Yingbao Japanesearmy, March1939, Japanesearmy YanTomb raiding, has arrested 16 people, fengqiaocigarettes morningbang, killing 11 people River,East meeting point woodqiaotu afternoonkilling Riverside.Gu Tong Japanesego speak Shanghaidialect, later calledGu Tong "killleft." January18, 1943, elves,five thousand sixthousand, water landgo hand hand"mop-up" jiaxing area west railway,Yan Tomb area fall. March NiuShan (County Government II section chief) carrying its child Niu Jun (strict Tomb seventh district Chang) DistrictAssistant Yu Xuchu, playersJin Fuqin, ShenBaosheng, six people received Wujiang underground County Government notification 门抽检鉴定,实现设计意图。 在当前的规范规定中,《公路沥青路面设计规范》JTJ 014-97 规定了路面顶 层的设计弯沉计算公式和方法,但没有提出路基、路面基层的弯沉计算方;在《公 路工程质量检验评定标准》JTJ071-98 中只提出要求检测路面顶层和土质路基回弹 没有提出检测路面基层弯沉的检测项;在《公路路面基层施工技术规范》JTJ034-2000 中则补充规定了路基、路面基层的相应回弹弯沉的计算检测标准。因此,对于很多工程技术人员来说, 如果不同时熟悉上述三种规范,就容易混淆回弹弯沉的原意,造成错误认识, 甚至做出错误的数据和结果。经笔者近年实际使用和研究发现,相当一部份勘察设 计、施工监理和检测单位都存在类似问题。