• 33.04 KB
  • 2022-12-07 09:25:07 发布

沥青混凝土路面乳化改性沥青层施工技术交底

  • 10页
  • 当前文档由用户上传发布,收益归属用户
  1. 1、本文档共5页,可阅读全部内容。
  2. 2、本文档内容版权归属内容提供方,所产生的收益全部归内容提供方所有。如果您对本文有版权争议,可选择认领,认领后既往收益都归您。
  3. 3、本文档由用户上传,本站不保证质量和数量令人满意,可能有诸多瑕疵,付费之前,请仔细先通过免费阅读内容等途径辨别内容交易风险。如存在严重挂羊头卖狗肉之情形,可联系本站下载客服投诉处理。
  4. 文档侵权举报电话:19940600175。
技术交底记录2009年7月9日编号:施表26-18工程名称荣乌高速路面一标分部工程面层分项工程沥青混凝土路面乳化改性沥青层施工当基层达到设计强度后(充分养生达到规定龄期),在沥青混凝土底面层施工前一天进行乳化沥青透层油施工。喷洒前对基层进行验收,要求基层内部潮湿表面微干,表面无松散料,严禁有积水。乳化沥青采用沥青洒布车喷洒,喷洒必须均匀一致,且注意道路附属构筑物的成品保护(用塑料布加麻袋片覆盖)。乳化沥青透层控制用油量为1.0L/m2左右,乳化沥青下封层乳液用量为1.0Kg/m2,喷洒完毕后,及时撒铺石屑(5~10mm),用量控制在7m3/1000m2,要求石屑撒铺均匀,无堆积料现象。最后用8t钢轮碾稳压一遍,而后封闭交通,等待沥青混凝土施工。沥青混凝土面层之间增加一层乳化改性沥青粘层油。在摊铺上一层沥青混凝土面层前2~3h,采用沥青洒布车喷洒,控制用油量为0.5L/m2左右,乳化改性沥青液破乳后方可摊铺沥青混凝土。沥青混凝土底、面层施工1、结构形式:行车道宽度为11m/14.5m。行车道路面面层结构组合如下:4cm沥青玛蹄脂碎石混合料SMA-13;改性沥青乳液粘层0.5L/m2;7cm粗粒式沥青混凝土AC-25C;乳化沥青下封层1.0Kg/m2,撒铺石屑(5~10mm)7m3/1000m2,乳化沥青透层1.0L/m2。支路面面层结构组合如下:4cm细粒式沥青混凝土AC-13C;乳化沥青透层1.0Lm2。新建道路路面弯沉控制值:26.2(1/100mm)、新建接顺河堤路路面弯沉控制值:35.4(1/100mm)。ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n2、施工工艺流程:基层及附属构筑物通过验收→喷洒透层油,喷洒下封层、撒布石屑→测量分条放线、测量高程→摊铺沥青混凝土底面层→喷洒粘层油→摊铺沥青混凝土表面层。摊铺机启动(0~2.0m/min,熨平板高程/控制厚度、横坡)→运行调整(2.0m/min,纵、横坡测量/5m)→标准速度前进(2.5~3.5m/min纵、横坡测量/10m)。初压(125~145℃、静1振1、静压速度1.5~2.0km/h、振压速度3.5km/h)→复压(105~115℃、静2振2、静压速度2.5~4.0km/h、振压速度5.0km/h)→终压(80℃、静2、静压速度2.5~4.0km/h)。3、测量放线沥青混凝土面层摊铺(半幅路)使用双机摊铺(路口渠化段先行摊铺一条);表面层(半幅路)使用两机联铺(单向全宽一次完成,消灭纵缝,保证路面的平整度)、路口渠化段使三机联铺。摊铺表面层时,使用白灰撒出分界线,中部摊铺机沿道路中线先行(熨平板调出路拱-中高边低),两侧使用铝合金滑杠控制高程。两侧摊铺机(熨平板调出直线路拱)在15~20m后跟进,外侧使用铝合金滑杠控制高程,内侧使用滑靴在以摊铺的油面上滑动控制高程。为了提高路面摊铺平整度及更好的实现业主与我方所追求的较高的工程质量目标,在本次施工中采用非接触式平衡梁代替原来的基准梁配合ABG423摊铺机进行路面面层的施工。4、备料1、沥青混合料生产的配合比由业主或相关部门审批,铺筑过程中,有关技术人员在现场控制沥青混合料的配比及温度情况,以便及时调整。2、拌和站对沥青混合料质量负全面责任,严格控制原材料质量,严格按业主及监理工程师批准的配比进行生产。每工作日按规范规定项目做试验,如出现偏差可根据试验结果及时对拌和机进行调整。3、拌和厂对每车混合料进行出厂检查,如发现不合格者(如花料、不符合规范温度的料等),不得出厂,派专人负责苫盖,做好防雨淋、防遗撒及保温工作。ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面4、组织足够的大吨位运输车辆(在充分考虑各种因素后),确保摊铺机连续作业。5、运料车在装料前冲刷干净,车厢侧板和底板喷洒一层隔离剂,并排除可见游离余液。6、运输车辆到达现场后,由试验人员逐车测量油温(不低于),如发现温度不符合规范标准,花白料及运料车冲洗不干净等,均按废料处理。5、试验段方案A在面层施工之前需进行试验段的施工,以获取以下参数:1)确定拌和温度、拌和时间,验证矿料级配和沥青用量;2)检验沥青混合料配合比的合理性;3)确定沥青混合料的来料温度、摊铺温度、摊铺速度、碾压温度;4)确定压实温度、压路机类型、压实效果及压实遍数,计算松铺系数。5)对参加施工的各班组进行磨合,使每一个施工人员都明白自己的岗位职责。6)对核子密度仪试验参数进行对比试验,计算核子密度仪的修正系数。B试验段结束后由施工质检部检查碾压的各项技术指标,经过监理工程师检查合格,及时约请业主有关部门人员、监理工程师参加总结会,并听取意见,找出不足之处,总结经验并写出试验总结报监理工程师审批。整理各项检测数据,确定机械组织及碾压方式,并确定虚铺系数。否则,查找原因,利用我单位多年积累的施工经验,按照规范进行严格的补救工作,以便确定最佳施工方案。6、沥青混凝土面层施工方法1)沥青混合料运送(1)热拌沥青混合料宜采用较大吨位的运输车运输,运输车的运力应稍有富余,施工过程中摊铺机前方应有运料车等待。等待的运料车宜多余10辆后开始摊铺。(2)运料车进入施工现场时,轮胎上不得粘有泥土等可能污染路面的脏物。沥青混合料在摊铺地点凭运料单接收,若接收时混合料不符合施工温度要求的不得铺筑。(3)摊铺过程中运料车应在摊铺机前100~300m处停住,空挡等候。有摊铺机推动前进开始缓缓卸料,避免撞击摊铺机。运料车每次卸料必须倒净,如有剩余,应在路外清理干净(由施工单位ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面统一外弃),防止对路面造成污染。2)面层摊铺(1)摊铺机就位后,对熨平板进行预热不低于100℃(视气温不少于20~30min)。在运料车到场20辆左右时可以开始摊铺作业。摊铺机料斗接收的第一斗料应为最后到场的料车的沥青混凝土,以保证对摊铺机送料槽进行预热,同时减少沥青混合料的温度损失。为保证对摊铺机起步后应匀速、连续不断的进行。每天工作开始时,摊铺机处于冷状态,自动控制部分不十分正常,而且起步进电脑控制的调整也需要一些时间和距离,在这段调整距离内测量人员要每5m测量高程及左右两点的高差,以掌握横坡及高程是否符合要求,一般调试2~3次可以保证机械正常工作,摊铺机初始行进速度控制在2.0~2.5m/min。当摊铺机进入正常工作后,摊铺机行进速度控制在3.0~3.5m/min,每10m测一次纵横断面的高程,以便控制纵横坡度与设计相符。摊铺厚度为设计厚度×松铺系数(参考系数为1.1~1.2,试验段可按1.15控制)。摊铺过程中不得随意变换速度或中途停顿。摊铺速度根据材料供应、摊铺厚度、宽度确定。在摊铺过程中,摊铺机螺旋送料器应不停顿的转动,两侧应保持不少于送料器高度的2/3的混合料,并应保证在摊铺机全宽断面上不发生离析。摊铺机进行联合摊铺,相邻两幅的摊铺留有5~10cm左右宽度的摊铺重叠,保证纵缝热接,消灭纵缝。(2)机械摊铺后的沥青混凝土面层在未经碾压时严禁上人上车踩踏及轮压。当出现局部混合料离析、摊铺机后有拖痕、构造物接头部位缺料、摊铺带边缘局部缺料、表面不平整,需要找补的情况实时进行找补,人工找补或更换混合料应在现场主管人员指导下进行。当属机械原因引起严重的离晰、波浪、裂缝、拖痕、断面不符合要求时,应立即停止摊铺,查找原因,检查并调整好后再进行施工。不符合要求的部位予以清除。(3)在摊铺过程中试验人员根据沥青混凝土的检验频率在施工现场随机取样,对沥青混合料的质量进行检测,测出混合料的稳定度、流值、筛分情况,以便发现问题及时调整。对雨淋料、花料、过火料一律不准上机。3)碾压(重要工序,碾压质量决定路面的压实度及平整度质量)ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面按照试验段确定的碾压方式及机械进行碾压施工。(1)碾压机械设备行车道沥青混凝土摊铺使用的碾压机械包括:英格索兰DD110钢轮压路机2台,DD130钢轮压路机1台、BMW1.5t压边碾1台。(2)碾压要求a.碾压方式为直去直回,严禁在碾压段上倒轴。压路机应以慢而均匀的速度碾压,压路机的碾压速度应满足下表的规定。压路机的碾压路线及碾压方向不应突然改变而导致混合料推移。碾压区的长度应大体稳定,两端的折返位置应随摊铺机前进而前进,横向不得在相同的断面上。b.压实成型的沥青混凝土路面应符合压实度及平整度的要求。c.在不产生严重推移和裂缝的前提下,初压、复压、终压都应在尽可能高的温度下进行。同时不得在低温状态下作反复碾压,使石料棱角磨损、压碎,破坏集料嵌挤。d.碾轮应保持清洁,当向碾轮喷水时(水中添加少量表面活性剂),必须严格控制喷水量,严禁慢流,以防混合料降温过快。(3)碾压方法a.初压:油温控制在125℃~145℃左右,用2台DD110碾静压1遍、振压1遍,速度控制在静压2.0~3.0km/h,振压3.0km/h,以插红旗为界限。碾压方法为驱动轮在前,向着摊铺方向行驶。由坡底至坡顶碾压。倒轴碾压相邻碾压带必须重叠1/3~1/2轮宽。b.复压:油温控制在105~115℃之间,用1台DD130振动碾进行碾压,碾压遍数为静压2遍振压2遍,速度控制在静压3.0~4.5km/h,振压5.0km/h,以插黄旗为界限。当油温降至80℃~90℃时,底层可用DD130碾压,摊铺面层时以两台DD110压路机进行碾压,以消除裂纹、并追密。碾压遍数以试验段提供的遍数准。c.终压:终压紧接在复压后进行,用1台DD130静压2~4遍,轮迹重叠1/3,速度保持在3.0~6.0km/h,直至消除轮迹为止,用插绿旗的方法来限定碾压的区域,终压完毕温度≮70℃。ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面4)接缝处理(1)受施工现场条件条件制约,底面层必须进行纵向冷接缝。(2)沥青混凝土的路面施工必须接缝紧密、连接平顺,不得产生明显的接缝离析。上下层的纵向接缝应错开150mm(热接缝)或300~400mm(冷接缝)以上。相邻两幅及上、下层的横向接缝均应错开1m以上。接缝施工应用3m直尺量测,确保平整度符合要求。(3)纵向接缝部位的施工应符合下列要求:a.摊铺时采用梯队作业的纵缝采用热接缝(表面层),将已铺部分留下100~300mm宽度暂不碾压,作为后续部分的基准面,然后作跨缝碾压以消除缝迹。b.当半幅施工(底面层)产生纵向冷缝时,在混合料尚未完全冷却前用镐刨除边缘留下毛茬的方式。加铺另半幅前应涂洒少量沥青,重叠在已铺层上50~100mm,再跨缝挤紧压实。或者先在已压实路面上行走碾压新铺层150mm左右,然后压实新铺部分。5)沥青混凝土拌合料温度、压实度及平整度的控制热拌沥青混合料的施工温度(℃)运输到现场温度≥140混合料废弃温度≤90混合料摊铺温度正常施工≥130低温施工≥140开始碾压的混合料内部温度正常施工≥125低温施工≥135碾压终了的表面温度钢轮压路机≥65轮胎压路机≥75振动压路机≥60开放交通的路表温度≤90ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面(1)使用红外线温度计测量表面温度时,应进行标定。需要测量温度的项目包括沥青混凝土拌合料到场温度、摊铺温度、初压温度、复压温度、终压温度。(2)压实度:在终压完成之后,及时用核子密度仪进行压实度的检测,如果未达到规范要求,则调整振幅立即追补碾压。(3)平整度:每天完成作业面后,立即进行平整度检测,及时取得相关数据,指导以后的摊铺作业。压路机碾压速度(km/h)压路机类型初压复压终压钢桶式压路机2-343-563-66轮胎式压路机2-343-564-68振动压路机2-3(静压或振动)3(静压或振动)3-4.5(振动)5(振动)3-6(静压)6(静压)7、质量标准1)基本要求(1)沥青混合料的矿料质量及矿料级配应符合设计要求和施工规范的规定。(2)严格控制各种矿料和沥青用量及各种材料和沥青混合料的加热温度,沥青材料及混合料的各项指标应符合设计和施工规范要求。沥青混合料的生产,每日应做抽提试验、马歇尔稳定度试验。矿料级配、沥青含量、马歇尔稳定度等结果的合格率应不小于90%。(3)拌合后的沥青混合料应均匀一致,无花白,无粗细料分离和结团成块现象。(4)基层必须碾压密实,表面干燥、清洁、无浮土,其平整度和路拱度应符合要求。(5)摊铺时应严格控制摊铺厚度和平整度,避免离析,注意控制摊铺和碾压温度,碾压至要求的密实度。ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面2)实测项目见沥青混凝土面层和沥青碎(砾)石面层实测项目。3)外观鉴定(1)表面应平整密实,不应有泛油、松散、裂缝和明显离析现象。有上述缺陷的面积(凡属单条的裂缝,则按其实际长度乘以0.2m宽度,折算成面积)之和不得超过受检面积的0.05%。对于其它公路不得超过0.05%。不符合要求时每超过0.05%减2分。半刚性基层的反射裂缝可不计做施工缺陷,但应及时进行灌缝处理。(2)搭接处应紧密、平顺,烫缝不应枯焦。不符合要求时,累计每10m长减1分。(3)面层与路缘石及其它构筑物应密贴接顺,不得有积水或漏水现象。不符合要求时,每一处减1~2分。沥青混凝土面层和沥青碎(砾)石面层实测项目项次检查项目规定值或允许偏差检验方法和频率权值其它公路1△压实度(%)试验室标准密度的96%最大理论密度的92%试验段密度的98%按附录B检查,每200m测1处32平整度σ(mm)2.5平整度仪,全线每车道连续按每100m计算σ23弯沉值(0.01mm)符合设计要求按附录I检查24△厚度(mm)代表值-8%H按附录H检查,双车道每200m测1处3合格值-15%H5中线平面偏位(mm)30经纬仪:每200m测4点16纵断高程(mm)±20水准仪:每200m测4断面1ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen\n技术交底记录2009年7月9日编号:施表26-18工程名称温榆河东路(朝阳北路东延~通顺路)道路工程(温榆河北河堤铁路道口平改立工程)分部工程面层分项工程沥青混凝土路面沥青混凝土面层和沥青碎(砾)石面层实测项目项次检查项目规定值或允许偏差检验方法和频率权值其它公路7宽度(mm)±30尺量:每200m测4断面18横坡(%)±0.5水准仪:每200m测4处1交底人接交底人ethanolconcentrationof0.25g/lsolutionofmethyleneblueinhybridform.Preparationafterstorageinsideabrownglassbottle.4,apparatus,Kjeldahlflasks:volumetypicallybetween500~800mL.Digestion:theKjeldahlflasktotiltpositionheatingandonlyheatthewallsbelowtheliquidlevel.Exhaust:canthesolutionintheKjeldahlflaskonthedigestion,harmfulgasintheroom.Kjeldahldistillation:distilledfromtakingthebottle,steamintotubes,condensertubes,smallconicalflaskwithfunnel,300mL,1000mL,round-bottomedflaskform.Titrationtube:25mLor0.01mLscale0.05mLscale10mLacidburette.Mortar.Screen:screeneyeletsizeis0.6mm.Analyticalbalance.Step5,analysissamplepreparation:samplesshouldbemixeddryinsealedcontainers.Glucosesyrup,mixingshouldberemovedbeforethesurfaceisabout5mm.Bulksamplemustbeground,toallthe0.6mmscreen,leavingnoremainingsamples.Samples:samplesweighingupto10G,accurateto0.001g,andthenpourthedryKjeldahlflasksnotesamplesshouldnotbetouchedinthebottleneckontheinnerwall.Theslimyorpastesample,youcanuseasmallglasscontainerornonitrogenandaluminiumsheetsofpaperorplastic,weighed,ornitrogenknowncontainer.Shengleftinthebottle,suchascontainersofnitrogenshouldbeblankafterconverting.Pyrolysis:addingcatalyst10G,graduatedcylinderandaddvolumefor4timesthesampleweightofmlofconcentratedsulfuricacid....Adjustingnitrogen