路面底基层试验段施工方案

京新高速公路临白段（阿盟境内）LBAMSG—1标段第四项目部水泥稳定级配碎石底基层施工方案(YK221+000～YK221+377.083)编制审核审批中国建筑股份有限公司京新高速公路临白段（阿盟境内）LBAMSG—1施工总承包第四项目经理部二零一六年四月京新高速公路临河至白疙瘩段LBAMSG-1标段第四项目部目录一、编制依据·····························································································1二、试验目的·····························································································1三、工程概况·····························································································2四、施工计划·····························································································3五、施工准备·····························································································3(一)、技术准备·······················································································3(二)、下承层准备····················································································3(三)、现场主要劳动力计划········································································4(四)、机械设备·······················································································4(五)、拌合场站及料场的准备·····································································6(六)、材料准备·······················································································7(七)、混合料组成设计··············································································8(八)、测量准备·······················································································8(九)、拟定松铺系数及松铺厚度··································································9六、主要施工工艺及要点··············································································9(一)、试验段施工工艺流程········································································9(二)、施工步骤······················································································10七、试验数据采集与整理·············································································22八、质量管理及检查验收·············································································23九、质量保证措施······················································································24十、安全保证措施······················································································25十一、文明施工和环境保护··········································································26十二、试验段的检查验收·············································································27十三、试验段总结······················································································27京新高速公路临河至白疙瘩段LBAMSG-1标段第四项目部中国建筑股份有限公司京新高速临白段（阿盟境内）LBAMSG-1施工总承包第四项目部1页水泥稳定级配碎石底基层试验段施工方案一、编制依据1、京新高速公路临白段工程招标文件；2、京新高速公路临白段工程施工图设计图纸；3、《公路路面基层施工技术规范》（JTJ034-2000）；4、《公路工程质量检验评定标准》（JTGF80/1-2004）；5、总体施工组织设计等二、试验目的1、验证用于施工的集料配合比例⑴、调试拌合机，确定各料斗的转速与流量关系；⑵、调整拌和产量，保证混合料均匀性；⑶、检查混合料含水量、集料级配、水泥剂量、7天无侧限抗压强度，混合料因时间的延迟而对成型路面强度的影响。2、确定一次铺筑的合适厚度和松铺系数。3、确定标准施工方法⑴、混合料配合比的控制；⑵、混合料摊铺参数，包括摊铺机的熨平板调整、夯锤大小设定、行进速度设定、摊铺厚度的控制方式、梯队作业时摊铺机的间隔距离，一般5~10m；⑶、含水量的增减和控制方法；⑷、压实机械的选择和组合，压实的顺序、速度和遍数；碾压工作长度，碾压方式；⑸、拌和、运输、摊铺和碾压机械的协调和配合。京新高速公路临河至白疙瘩段LBAMSG-1标段第四项目部中国建筑股份有限公司京新高速临白段（阿盟境内）LBAMSG-1施工总承包第四项目部2页4、确定每一作业段的合适长度5、严格组织拌和、运输、碾压等工序，缩短延迟时间；6、质量检验内容、检验频率及检验方法。7、试铺路面质量检验结果。8、确定施工组织及管理体系、质保体系，人员、机械设备、检测设备、通讯及指挥方式等。三、工程概况3.1工程概况京新高速为国家一级高速公路，双向四车道。整体式路基宽26m，设计时速为100km/h；分离式路基宽2×13.75，设计时速120km/h。本标段为京新高速临白段第四项目部，路基开始桩号为K186+000，结尾桩号为K221+337，全长35.337km。本标段路基施工的主要项目为一般路基填挖方、风积沙路基、桥头路基以及涵洞台背回填及挡土墙回填等。主要工程内容为K186+000～K221+337段主线及红古尔玉林互通区匝道、红古尔玉林服务区匝道的底基层、基层、沥青混合料面层及附属工程。全线主线水泥稳定碎石底基层铺筑厚度36cm，分两层铺筑，每层厚度18cm。3.2工程数量表路基底基层每延米工程数量表单位：㎡类别整体式路基分离式路基填方路段25.0413.75挖方路段25.0413.75注：全线底基层共计1036466.45㎡（36cm）。京新高速公路临河至白疙瘩段LBAMSG-1标段第四项目部中国建筑股份有限公司京新高速临白段（阿盟境内）LBAMSG-1施工总承包第四项目部3页四、施工计划我标段拟计划在2016年05月10日进行水泥稳定碎石底基层试验段的施工。试验段落：YK221+000～YK221+377.083。摊铺长度为377m，压实厚度为18cm，松铺系数拟定为1.33，松铺厚度为24cm。五、施工准备(一)、技术准备1、开工前，由项目总工组织技术人员熟悉图纸及施工工艺，保证各工种人员能够做到协调施工。（1）压实厚度：36cm，采用单层18cm铺筑方式。（2）底基层宽度：设计底宽13.75m，第一层采用宽度14.02m（槽钢）。（3）横坡：1.5%（4）压实度标准：≥97%（5）无侧限抗压强度：设计2.0-3.0Mpa2、对具体的施工工艺、摊铺碾压组合、碾压顺序、碾压遍数、碾压过程注意事项、碾压完成后的养护等进行书面技术交底。3、对摊铺过程中容易出现的问题及处理办法进行交底。(二)、下承层准备1、填筑好的路基表面应平整、坚实、具有规定路拱，路基的高程、宽度、压实度、平整度、弯沉等应符合规范要求，并用重型压路机进行碾压，检查是否有轮迹、弹簧现象，凡不合格的路段应分别采取补充碾压、换填好的粒料等措施进行整改，低洼和坑洞应仔细填补、京新高速公路临河至白疙瘩段LBAMSG-1标段第四项目部中国建筑股份有限公司京新高速临白段（阿盟境内）LBAMSG-1施工总承包第四项目部4页压实。桥涵接坡处，采用挖机进行开挖整平处理。清除表面的浮土、积水等，将作业面表面洒水湿润。2、对下承层进行清扫，扫除表面的松散颗粒、浮土及杂物，清扫出路基外，使其形成一个干净的作业面。(三)、现场主要劳动力计划水泥稳定碎石底基层试验段施工时，现场主要劳动力安排见下表。京新高速LBAMSG-1合同段第四项目部投入人员表姓名职务职责电话史国良二工区经理具体负责各项协调工作13294839810程占胜总工全面负责项目的各项技术管理18748321059贾洪军安全负责人全面负责施工现场各项安全工作18756433355刘全龙专职安全员负责施工现场安全及交通管制18730019918全威试验室主任全面负责实验室工作15754979862王壁东后场负责人主要负责水稳混合料的生产拌和18748322702薄重前场负责人全面负责前场各项工作的落实15504839050王志前场负责人全面负责现场的摊铺、碾压及养生15594838338(四)、机械设备（1）、主要机械设备京新高速公路临河至白疙瘩段LBAMSG-1标段第四项目部中国建筑股份有限公司京新高速临白段（阿盟境内）LBAMSG-1施工总承包第四项目部5页机械设备配备表机械名称型号规格数量（台）备注小计其中拥有新购租赁水泥稳定级配碎石拌和站WBD750型11生产使用胶轮压路机徐工XP30130T11生产使用胶轮压路机ZP2801T30T11生产使用振动压路机KS-220D22T22生产使用振动压路机QX52022T11生产使用双钢轮压路机14T生产使用小钢轮压路机2T生产使用自卸汽车国产40T20155生产使用装载机ZL50G3.0m344生产使用洒水车20T22养生、基底喷雾洒水水稳摊铺机徐工952型22生产使用我项目部施工机械和配件已配备齐全的，并已做好开工前的保养、试机工作，水稳底基层施工时，采用集中场拌，配备了足够的拌和、运输、摊铺、压实机械，确保底基层施工质量。⑵、主要检测仪器设备路面工程的试验检测工作十分关键，试验检测工作是工作质量控制的重要手段，也是科学文明施工的具体表现。用于水泥稳定碎石底基层检测的试验设备。京新高速公路临河