厂拌热再生沥青混凝土生产及路面

1、.For ensure "two learn a do" learning education made effectiveness, promote all members consciously respected Constitution, and comply with party rules, with XI General Secretary series important speech spirit armed mind, and guide practice, and promoted work, do qualified Communist, accor

2、ding to Communist 2016 city education information work special self-examination report XX City Bureau, and XX city government education steering mission: according to XX Province Government Education Steering Committee Office on carried out province education information work special Steering check

3、of notification ( Teach SC letter x 20164) documents, about quickly organized in our city Education Bureau Department in charge of the supervision standards for learning and study of informatization of education in charge of primary and middle schools in the city led by specialized training, issued

4、a notice of meeting, special supervision and school self-assessment form. The school at the time of preparation, special organizational self-assessment. City Bureau organization about personnel in school since assessment of based Shang for has summary and self-examination, now will situation reporte

5、d following: a, and led attention according to Ministry of education on issued Liu Deputy Prime Minister in second times national education information work videophone Conference Shang speech of notification (taught technical 20156,) of file spirit, I City Government is in charge of led and educatio

6、n administrative sector main head height attention, learning convey has central led in first international education information Assembly speech spirit, Learning to communicate the spirit of the second National Conference on videophone education information and instructed relevant departments accord

7、ing to the document, has developed the education development plan of the city. Second, overall management, coordination, establish management systems and propulsion mechanisms XX education started in the proceedings of the XX Party 200311 working arrangements, XX municipal party Committee Municipal

8、Government attach great importance to education information, education information development into the city's overall planning, education as a breakthrough in the construction of educational modernization in advance XX, city leaders often goes into the front line of education guide education wo

9、rk and financially guaranteed. Equipment improvement, application is the power education development. To tube easy good information technology equipment, XX City used layered is responsible for, and unison of strategy initiatives: that Bureau established information work led group, urged city educat

10、ion information management and application work, education information and equipment Center is responsible for equipment maintenance, built information work platform, guarantee platform normal run; will electronic Chief, and personnel, and results, and student, and Senate, and assets, management fie

11、ld of information application decomposition to Bureau Office, and personnel section, and manages, and education section, and meter fiscal section, functions Department, To drive forward e-Government as a breakthrough in the informatization of education, education administrators into full play in the

12、 education of information guidance and example, and take this opportunity to point to gradually expand the scope of education application of information technology. Formed Department personnel grasp business and educational information development and application; application and厂拌热再生沥青混凝土生产及路面施工的指导

13、意见上海市市政工程研究院2006-4：6 HG20201-2000 construction installation engineering construction standard 7, HG . Pressure gauges, using an installed spark arrestor for acetylene cylinders, illegal carrying, using gas cylinders, each operator fined 20 Yuan. Gas bottle without the hot sun exposure measures, resp

14、onsibilities of team a fine of 50 Yuan. (7) at height and the opening and provisional protective measures have been taken, the responsible unit fined 200 Yuan, construction person in charge a fine of 50 Yuan. (8) no permit to work and the job in accordance with the provisions, on the job unit fined

15、300 yuan, the unit will charge a fine of 100 Yuan. 7.5.3 accident penalties (1) injuries fatalities directly punished 12 million. Direct responsibility for the accident and have the corresponding responsibility of leadership, such as concerning administrative sanctions, should be brought to the comp

16、any or the relevant Department. (2) personal injury accident occurred, the direct punishment 0.5-10,000 yuan, responsible for the direct responsibility for the accident and the responsibility of leadership, such as concerning administrative sanctions should be dealt with by the personnel Department

17、of the company. (3) personal injury accident occurs, the direct punishment 500-1000, who is directly responsible for the accident responsibility, give notice of criticism and 50-100 economic sanctions against them. (4) to conceal the accident, reported without undue delay or false, to inform thedemo

18、nstration of information work is education, promotion and development of education information managers. Turns out, this working party . Ming Associate Professor several times to XX chuanjingsongbao. May 2014 XX received State Council expert group to the City County acceptance of balanced developmen

19、t of compulsory education in the country, the Group of experts on XX education informatization on the balanced development of education give full recognition to the role. On October 9, 2014, the CPPCC inspections XX in XX city education information and XX education highly. On April 20, 2016, the XX

20、as a unit of the first experimental informatization passed inspection. In acceptance of the conclusion of the expert group, wrote: 1. the project around the construction of pilot objectives, tasks and main content, scientific formulation and implementation of programmes, and promotes the balanced de

21、velopment of urban and rural education based on information technology, completing various tasks of the pilot project. 2. adjusting measures to local conditions, innovative institutional mechanisms, by exploring the ' investment protection mechanism, system security mechanisms, the task to lead

22、the mechanism, mechanism and application integration mechanisms, operation and maintenance of departmental interaction mechanisms ', developed educational information resources sharing, promoting fair education, improve the quality of education, promoting the reform of education and teaching, di

23、stinctive effective patterns and operating mechanism. 3. through the implementation of the pilot project, building a nationwide network of high quality educational resources sharing environment, construction and application of both cloud platform, the e-learning space through education and public se

24、rvice platform of educational resources, promote the integration of information and depth of education, and progressive education application of information technology to become the norm. Popularization and application of the results of project pilot has better value to promoting informatization of

25、education in the County with a demonstration . February 24, 2014, in Education Department Office on education information pilot units work progress situation of informed (taught technical office letter (2014) 13th,) in the, XX province XX City Bureau introduced market competition mechanism, and more

26、 than enterprise signed cooperation agreement, low cost built cover City School of fiber Education City domain network and achieved broadband access, to achieved has regional within all schools, and all classroom of broadband network access as typical case in national informed. Three XX municipal pa

27、rty Committee municipal education information development, policy measures included in the city's development plan, formulated education plan, and guaranteed on the funds. According to the Ministry of education documents and XX actual, Education Bureau of XX municipality formulated XX City Infor

28、matization of education three-year development plan for the XX teaching information application of the three-year planning document, guide the education information construction. Early education work priorities, specifically the inclusion of educational information construction areas, and applicatio

29、n of information technology and construction in special steering steering room, and at the time of the annual assessment as an important indicator of school assessment. Since 2008, the city's education目 录 1 热再生沥青混合料适用层位与厚度要求12 材料要求22.1 旧沥青混合料22.2 再生剂22.3 粗集料22.4 细集料32.5 填料42.6 沥青结合料42.7 纤维稳定剂53

30、混合料的矿料级配64 再生沥青混合料的技术要求75 再生沥青混合料配合比设计85.1 目标配合比85.1.1 旧沥青材料组成分析85.1.2 回收沥青材料性能分析85.1.3 再生沥青混合料级配初定85.1.4 再生剂材料掺配比例的确定85.1.5 新沥青材料掺量确定85.1.6 性能验证试验85.2 生产配合比设计与调试95.2.1 冷料流量试验95.2.2 确定各热料仓矿料和矿粉的用量95.2.3 确定最佳油石比95.2.4 混合料性能检验95.2.5 生产配合比的验证96 再生沥青混合料的施工107 相关说明与注意事项121 热再生沥青混合料适用层位与厚度要求性能优好的热再生沥青混合料，

31、适用于沥青路面表面层、中面层、下面层。再生沥青混合料的最大粒径宜从上至下逐渐增大，并应与压实层厚度相匹配，沥青层一层的厚度不宜小于集料公称最大粒径的2.53.0倍。第 11 页 共 12 页2 材料要求2.1 旧沥青混合料用于工厂热再生的旧沥青混合料应干燥、洁净，无沥青粘结的砂石料不得多于沥青旧料质量的5%，含泥量不得大于1%，用于再生生产的旧沥青混合料颗粒尺寸应小于31.5（方孔筛）。旧沥青混合料占热再生沥青混合料质量百分比比不超过30。2.2 再生剂再生剂应具备以下性能：（1）与旧沥青材料有良好的相容性和较广的适应性；（2）改善旧沥青的路用性能；（3）不含蜡质成分；（4）性能稳定，并具有较

32、长的时效；（5）易于储存，无毒害；（6）不含水分；（7）不得破坏沥青中的有效组分。再生剂的选用应根据旧沥青混合料的性能和再生沥青混合料用途确定，用量则通过材料试验确定。再生剂应贮藏在有盖容器中，防止水与灰尘等杂质混入。其运输、贮存和适用的安全防火要求与重质油类相同。2.3 粗集料再生沥青混合料所涉及粗集料包括旧料中含有的粗料、新加集料粗料，粗集料应是石质坚硬、清洁、不含风化颗粒、近立方体颗粒的碎石，上面层集料表面应粗糙。粗料技术标准见表1。表1 粗集料质量技术要求指标单位技术要求试验方法高速公路，一级公路；快速路，主干路。其他等级公路与城市道路旧料新料旧料新料石料压碎值 不大于%2826302

33、8T0316洛杉矶磨耗损失 不大于%30304035T0317视密度 不小于t/m32.502.502.452.50T0304吸水率 不大于%2.02.03.02.5T0304与沥青的粘附性 不小于级4级5级4级4级T0616坚固性 不大于%/12/T0314针片状颗粒含量 不大于%15102015T0312水洗法<0.075mm颗粒含量不大于%/0.8/1.0T0310软石含量 不大于%/3/5T0320石料磨光值 不小于BPN41（仅面层）42/T0321破碎砾石的破碎面积不小于 表面层 中下面层%9050905040406050T03272.4 细集料采用坚硬、洁净、干燥、无风化、

34、无杂质并有适当级配德人工轧制的米砂，严禁采用山场下脚料，规格见表2，技术指标要求见表3。表2 细集料规格要求规格公称粒径（mm）通过下列方孔筛（mm）的质量百分率（%）9.54.752.360.60.075S150-510085-10040-700-15S160-310085-10020-500-15表3 细集料质量技术要求指标单位技术要求试验方法高速公路，一级公路；快速路，主干路。其他等级公路与城市道路视密度 不小于t/m32.502.45T0329坚固性 不大于%12-T0340砂当量 不小于%6555T03342.5 填料采用石灰石磨细矿粉，必须保持干燥，能从矿粉仓自由流出，不得使用回收

35、粉料。技术要求见表4。表4 填料质量技术要求指 标单位技术要求试验方法高速公路，一级公路；快速路，主干路。其他等级公路与城市道路视密度 不小于t/m32.502.45T0352含水量 不大于%11烘干法粒度范围 <0.6mm <0.15mm <0.075mm%10090100751001009010070100T0351外观%无团粒、不结块目测、经验评估亲水系数 不大于11T0353塑性指数 不大于 %44T0118或T0119（土工试验）2.6 沥青结合料新加沥青材料应满足表5技术要求。表5 新加沥青材料技术指标指 标技术要求高速公路，一级公路；快速路，主干路。其他等级公路

36、与城市道路AH-70AH-50A-60甲针入度25，100g，5s（0.1mm）60-8040-6050-60延度25，5cm/min（cm） 不小于10010070延度15，5cm/min（cm） 不小于10080/软化点T RB（） 不小于44-5445-5545-55闪点（） 不小于230230230溶解度（%） 不小于99.099.099.0含蜡量（蒸馏法） 不大于3.03/密度15（g/cm3） 不大于1.011.01/薄膜烘箱加热（163，5h）质量损失（%） 不大于0.80.61.0针入度比25（%） 不小于555870延度25 不小于10060/15 不小于7050/ 2.7

37、纤维稳定剂可采用木质纤维素，提高沥青结合料用量，增强路面耐久性能，纤维用量为集料总量的0.3%，具体要求见表6。也可采用聚酯纤维作为稳定剂，综合改善路面高温、低温及耐久性能，纤维用量一般为集料总量的0.2%，具体要求见表7。表6 木质素纤维质量技术标准试验项目指人标试验方法纤维长度<6mm70%±10%<6mm85%±10%65%±10%30%±10%方法A：冲气筛分析 通过0.15mm方法B：普通筛分析 通过0.850mm筛 通过0.425mm筛通过0.106mm筛灰分含量18%±5%，无挥发物高温590650燃烧后，测定残留物p

38、H值7.5±1.0水溶液用pH试纸或pH计测定吸油率不小于纤维质量的5倍用煤油浸泡后，放在筛上，经振敲后称量含水率<5%（以质量计）105烘箱烘2h后，冷却称量。表7 聚酯纤维质量技术标准试验项目指标纤维直径（m）<20切断长度（mm）6mm密度（g/cm3）实测抗拉强度（N/mm2）800最大延伸率（%）8初始模量（N/mm2）15000熔点（）230210，2h后纤维长度变化（%）83 混合料的矿料级配项目可根据道路技术等级、材料、配合比设计情况，确定混合料级配，级配应满足表8的要求。表8 再生沥青混合料矿料级配范围混合料类型筛孔通过率31.526.5191613.2

39、9.54.752.361.180.60.30.150.075AC-25上限100100908376655242332417137下限10090756557452416128543AC-20上限1001009280725644332417137下限100907862502616128543AC-16上限10010092806248362618148下限1009076603420139754AC-13上限100100856850382820158下限1009068382415107544 再生沥青混合料的技术要求再生沥青混合料按马歇尔试验方法确定沥青用量，并采用车辙、浸水马歇尔、冻融劈裂等试验，进

40、行最佳沥青用量条件下混合料性能验证，具体技术要求见表9和表10。表9 再生沥青混合料马歇尔试验配合比设计技术要求试验项目单位技术要求高速公路，一级公路；快速路，主干路。其他等级公路与城市道路马歇尔试件击实次数两面击实75次两面击实50次稳定度 不小于kN7.56.0流值0.1mm20402050（掺配纤维）2045空隙率VV%3636沥青饱和度VFA%70857085矿料间隙率VMA 不小于AC-25AC-20AC-16AC-13%12.013.013.514.0表10 混合料验证性试验试验项目单位技术要求试 验方 法高速公路，一级公路；快速路，主干路。其他等级公路与城市道路面层中下面层面层中

41、下面层车辙试验动稳定度 不小于次/mm12001000800600T9719水稳定性：残留马歇尔稳定度 不小于冻融劈裂试验残留强度比 不小于%8575807580758075T0709T07295 再生沥青混合料配合比设计5.1 目标配合比5.1.1 旧沥青材料组成分析对沥青旧料进行抽提分析，得到旧料中沥青含量及旧料矿料颗粒组成，作为目标配合比设计依据；5.1.2 回收沥青材料性能分析将抽提出来的旧沥青溶液按公路工程沥青及沥青混合料试验规程（JTJ052）中的T0726试验方法回收沥青，并测定回收旧沥青的针入度与软化点；5.1.3 再生沥青混合料级配初定按工程经验确定旧料掺配比例，旧料掺配比例

42、不大于总质量的30%，根据旧料颗粒、新集料、矿粉筛分结果以及表8给定级配范围，确定各矿料比例；5.1.4 再生剂材料掺配比例的确定根据旧料中含有的沥青材料性能，初定几个不同掺量的再生剂比例，进行旧沥青材料再生试验（包括延度、针入度、软化点等三大指标），对照相关指标要求，选定再生剂掺配比例；5.1.5 新沥青材料掺量确定选择5个不同新沥青掺配比例，成型马歇尔试件，并进行马歇尔试验，按常规配合比设计方法确定新沥青材料最佳用量；5.1.6 性能验证试验对上述设计结果进行性能验证试验，各项性能指标满足表10要求，目标配合比设计试验工作完成，出具报告；若性能验证试验结果不能满足要求转入（3），调整级配，

43、确定最佳沥青用量，直至设计结果通过性能验证；多次从复试验如仍未获得良好的结果，则应分析原因。5.2 生产配合比设计与调试5.2.1 冷料流量试验对沥青旧料、不同规格矿料，进行冷料流量试验，确定冷料流量与拌和设备设定参数数量关系，作为后继工作的基础。5.2.2 确定各热料仓矿料和矿粉的用量根据冷料流量试验、目标配合比设计结果，对二次筛分后进入各料仓的矿料取样进行筛分，根据筛分结果，通过计算（旧料中矿料按目标配合比比例进行计算），使矿质混合料的级配符合表8规定，并尽可能与目标配合比设计级配一致，确定各热料仓矿料和矿粉的用料比例。5.2.3 确定最佳油石比取目标配合比设计的最佳掺配比OAC和OAC±（0.20.4）%三个油石比，取以上计算的矿质混合料、以及目标配合比旧料、再生剂用量，采用试验