《大粒径透水性沥青混合料柔性基层作业指导书》.doc

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1、青莱高速公路马莱段大粒径透水性沥青混合料柔性基层施工(LSPM-30)作 业 指 导 书同济大学交通运输工程学院青莱高速公路马莱段总监代表处2006年10月1日目 录一、原材料11说明12 原样沥青13 改性沥青14 粗集料25 细集料36 填料47 集料的生产加工48 堆放环境与现场保护5二、试验设备5三、混合料技术要求5四、混合料组成设计71 目标配合比设计阶段72 生产配合比设计阶段83 生产配合比验证阶段84关于沥青混合料旋转压实室内试验中几点统一做法8五、透层和封层的检查与清扫9六、铺筑试验路段9七、大粒径透水性沥青混合料柔性基层施工101把好原材料质量关102沥青混合料配合比设计的

2、统一规定113沥青混合料的拌制114沥青混合料的运输125沥青混合料的摊铺136沥青混合料的压实成型137施工接缝处理168施工阶段的质量管理169驻地办人员岗位安排及质量控制重点16Opinions and suggestions on the partys mass line educational practiceAccording to the central and provincial, municipal unified deployment, according to municipal Party committee about carrying out the partys

3、 mass line educational practice activity in the citys implementation opinions, the spirit of the partys mass line educational practice activities from 20* in January to 99 months, carried out at all levels of departments and directly affiliated institutions and grass-roots party organizations. Accor

4、ding to my actual County, the county to carry out the education practice put forward the following implementation opinions.First, the overall requirementsCounty county education practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as

5、the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the Central Committee really, opinions and advice , party implementing the guiding ideology of opinions to determine the objectives and requirements, step method, i

6、n accordance with the look in the mirror, dress up, wash bath, cure treatment, the general requirements of for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuanglang Zhuang, improve their work style, service to the masses of the people, the foundation of consol

7、idating grassroots, promote transformation across efforts, to further implement the central eight regulations and The opposition party and government austerity waste regulations , double section provincial regulations, municipal provisions of the twelve plan and the implementation measures for on im

8、proving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party members and cadres of the style and the masses of people strong, the Ministry

9、 of Party members and cadres to further improve their thinking and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image to further establish the foundation to further reinforce the basic level. Style of the building of the new results

10、to promote the construction of a powerful force of the county and the ecological culture of the county and county construction.In educational practice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutions directly under the township,

11、 street, and community, village, non-public economic organizations, social organizations and other grass-roots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice with step by step.To adhere to the county leadership, leadership and

12、leading cadres to focus on outstanding catch to directly contact the service of the masses of law supervision departments and window units, service industry, educational practice, pay attention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroot

13、s groups in close contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses and the partys education.Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism and self criticism group, adhere to the

14、 pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, more focus on the four winds, solve the problem, pay more attention to open the door, the participation of the masses, pay more attention to the classification guidance. Orderly, pay more attention to the

15、 cooperation and cohesion driven, more strict requirements on injection, really supervision practice, ensure education practice is not empty is not empty is not partial, not as a mere formality.Two, the key point of the taskThe main task of the countys education practice is to seize against four win

16、d this focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, the disadvantages of the style, scale behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respond to the concerns of the masses, safeguard

17、 the interests of the masses, pay attention to solve practical problems, solve the people around the unwholesome tendencies especially on eat, take the card, Yong lazy luxury, extravagance and waste fees, privileges and other issues, timely and effective, without any discount to solve, to improve th

18、e style of real implementation of the requirements of real to the grassroots, real let group Benefit the public.(a) focus on solving the four winds outstanding issuesThe central and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do not da

19、re to play, to engage in image project, political project, a leadership guide, a set of ideas, orders and prohibitions, and a policy, there are countermeasures county. The units directly under the heavy focus on solving Yung lazy drag, buck passing skin, work is not implemented, the service is not a

20、ctive. The dynamic problem of law enforcement and supervision departments and window units, service industry mainly solve the door hard, ugly face, something difficult, and arbitrary charges, fines, levies, and breach of privilege, chinakayao, not the problem of law. The township, street The collar

21、of leading bodies and leading cadres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance,

22、 enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and

23、 characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit,

24、seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveragi

25、ng the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to a

26、dapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and

27、strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy

28、. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry grou

29、p mission to promote leapfrog development.青莱高速公路马莱段大粒径透水性沥青混合料柔性基层施工作业指导书大粒径透水性沥青混合料柔性基层(LSPM)是位于下面层和水泥稳定碎石基层中间的重要的结构层。根据在山东省的建设实践经验,该柔性基层具有较好的抗车辙性能,同时兼有排水及抵抗反射裂缝的功能。因此LSPM应具有平整、密实、耐久及抗车辙、高排水性等多方面的综合性能。青莱高速公路马莱段15cm柔性基层采用LSPM30型大粒径透水性沥青碎石(使用MAC改性沥青)。根据部颁标准JTG F402004公路沥青路面施工技术规范和青莱高速公路马莱段路面工程施工招标文件以

30、及山东省公路局印发的大粒径透水性沥青混合料柔性基层设计与施工指南,为保证工程质量,对青莱高速公路马莱段沥青路面柔性基层施工提出如下指导意见。一、 原材料1说明本指导书所指原材料自检合格认可的首要条件是必须经监理抽检确认并签发使用许可证后方可使用。2 原样沥青70号道路石油沥青 表1-1试 验 项 目单 位技术要求试验方法针入度(25,100g,5s) 0.1mm6080T0604针入度指数PI-1.51.0T0604软化点(环球法) 不小于45T060660动力粘度 不小于pas180T0602延度(5cm./min,10) 不小于cm20T0605延度(5cm./min,15) 不小于cm1

31、00T0605含蜡量(蒸馏法) 不大于%2.0T0615闪点(coc) 不小于260T0611溶解度(三氯乙烯) 不小于%99.5T0607密度(15) g/cm3实测记录T0603薄膜加热试验(163,5h)质量损失 不大于%0.8T0610或T0609针入度比 不小于%61T0604延度(10) 不小于cm6T0605原样沥青标号采用70号,其技术要求应符合表1-1的规定。3 改性沥青(1)生产改性沥青的基质沥青应符合上述原样沥青的技术要求。(2)按照招标文件要求,LSPM采用MAC-70改性沥青。根据山东省公路局大粒径透水性沥青混合料柔性基层设计与施工指南,MAC-70改性沥青应符合表1

32、-2的技术要求。(3)供应商在提供改性沥青全套质量检验报告的同时,还应提供基质沥青全套质量检验报告及沥青样品。(4)产品到达现场都应进行抽检,试验频率为施工单位按每100T安排自检、监理驻地办按每500T安排抽检。(5)各施工单位和驻地监理组工地实验室对针入度、延度、软化点、离析等指标进行检验,现场有条件时,还应检验老化后的质量损失、针入度比,并留样备检。MAC-70改性沥青技术要求 表1-2试验项目单 位技术要求试验方法针入度(25,100g,5s) 0.1mm3560T0604针入度(4,60s ,200g)0.1mm1235T0604软化点(环球法) 不小于70T060660动力粘度 不

33、小于Pas300ASTM D4957T0620闪点 大于230T0611溶解度(三氯乙烯) 不小于%99T0607离析,软化点差, 不大于2.5T0661旋转薄膜加热试验质量损失 不大于%1.0T0610针入度比25 不小于%70T06044 粗集料(1)柔性基层所采用的粗集料要求采用反击式破碎机加工成近似立方体形状、洁净、干燥、无风化、无杂质、具有较高强度的碎石,并按照招标文件的要求对集料进行水洗。(2)粗集料粒径的规格分档建议采用表1-3建议值,各档规格料的上限百分通过量控集料粒径加工规格分档建议值 表1-3级 配1#料2#料3#料4#料5#料LSPM-3031.519199.59.54.

34、754.752.362.360沥青混合料用粗集料质量技术要求 表1-4指 标单 位技术要求试验方法石料压碎值 不大于%26T0316洛杉矶磨耗损失 不大于%30T0317表观相对密度 不小于g/cm32.50T0304吸水率 不大于%3.0T0304对沥青的粘附性 不小于级5级T0616坚固性 不大于%12T0314细长扁平颗粒含量 不大于%15T0312水洗法0.075mm颗粒含量 不大于%0.5T0310软石含量 不大于%5T0320制在90%100%,下限百分通过量控制在0%10%范围内。技术质量应符合表1-4的规定。(3)检测频率为施工单位每种规格每1000t自检一次,驻地办每种规格每

35、5000T抽检一次。5 细集料(1)细集料宜采用干燥、坚硬、洁净、无风化、无杂质的石灰岩加工而成。(2)细集料应尽量采用机制砂,也可采用符合要求的石屑,不准采用天然砂。(3)细集料的技术要求应符合表1-5和表1-6的规定。(4)检测频率为施工单位每500T自检一次,监理驻地办每2500T抽检一次。沥青混合料用机制砂或石屑规格 表1-5规 格公称粒径(mm)通过下列筛孔(方孔筛,mm)的质量百分率(%)9.54.752.361.180.60.30.150.075S150510090100609040752055740220010S16031008010050802560845025015沥青混合

36、料用细集料质量技术要求 表1-6指 标单 位标准试验方法表观相对密度 不小于2.50T0328坚固性(大于0.3mm部分) 不大于%12T0340含泥量(小于0.075mm的含量) 不大于%10T0333砂当量 不小于%65T0334棱角性 不小于%42T0344注:坚固性试验可根据需要进行。6 填料(1)为了提高沥青混合料的抗水损害能力,LSPM填充料宜采用干燥石灰粉或生石灰粉,由专业生产厂家生产,质量应在级以上。不应含泥土杂物和团粒,要求干燥、洁净,其质量应符合表1-7的技术要求。 沥青混合料用石灰粉质量技术要求 表1-7指标单 位规定值试验方法粒度范围 0.6 mm 0.15 mm 12

37、谢伦堡析漏损失%0.2肯塔堡飞散损失%20动稳定度次/mm2800渗透系数cm/s实测四、混合料组成设计1 目标配合比设计阶段(1)确定各矿料的组成比例。分别用各施工段实际使用的矿料进行筛分,用计算机或图解计算各矿料的用量比例,使合成的矿料级配符合表3-1的范围。该项计算应反复进行几次,使合成矿料级配曲线基本上与要求级配范围中值线相重合,直至满意为止。(2)确定沥青的最佳油石比。首先根据以上计算确定的矿料组成, 以估计的最佳油石比为中值按0.30.5间隔变化,取34个不同的油石比,用实验室的小型拌和机将沥青与矿质混合料拌和,采用旋转压实仪旋转压实成型试件,检测体积指标,按照规范规定的方法进行飞

38、散试验。同时按照规范的方法进行不同油石比的析漏试验。旋转压实的设计压实次数为100次,成型温度取160。将成型试件按部标准公路工程沥青及沥青混合料试验规程(JTJ0522000)及公路沥青路面施工技术规范JTG F402004规定的方法,用实测法和计算法测定试件密度并计算空隙率进行体积组成分析。实测法为二次封蜡法,首先采用橡皮泥将试件表面大空隙填平,然后称重,将橡皮泥填充的体积作为试件的体积,然后进行封蜡测定水中重,通过计算就可以测定试件的密度;计算法为直接采用游标卡尺测量试件的直径和高度计算试件的体积,然后根据试件的重量可以直接计算试件的密度。计算法简单直接,主要适用于尺寸规则的试件,例如旋

39、转压实成型的试件;实测法操作比较复杂,适用于测量尺寸不规则的试件,例如路面上取得的钻芯的试样。计算沥青混合料最大理论相对密度时,按照公路沥青路面施工技术规范JTG F402004附录B中的有关规定(采用矿料的有效密度)。同时用经验公式估算不同油石比时沥青膜厚度:SA0.41+0.0041P4.75+0.0082P2.36+0.0164P1.18+0.0287P0.6+0.0614P0.3+0.1229P0.15+0.3277P0.075h=10 Pb/ SA式中:Pi分别为I级筛孔的通过率();Pb为沥青用量;h为沥青膜厚度。以油石比为横座标,以测定的密度、空隙率、飞散损失、析漏损失、沥青膜厚度各项指标为纵座标,分别将试验结果点入图

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