w基床表层级配碎石试验段施工方案.doc

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1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流w基床表层级配碎石试验段施工方案.精品文档.目 录一、编制依据3二、工程概况3三、施工组织机构4四、试验段设置5五、试验段施工原则及目的6六、试验段施工计划安排6七、试验段施工准备61、基床底层验收62、测量放样73、级配碎石填料检验74、施工人员及设备机具7八、施工工艺及流程81、施工程序82、工艺流程8九、质量保证措施11十、安全保证措施11十一、环境保护措施12十二、附件13附件1：拌合设备计量检定证书13附件2：级配碎石配合比选定报告13一、编制依据1、铁路路基工程施工质量验收标准TB10414-2003 2、新建时速200公里客货共

2、线铁路工程施工质量验收暂行标准铁建设20048号 3、客货共线铁路路基工程施工技术指南TZ202-2008 4、铁路工程土工试验规程TB10102-20105、铁路碎石道床底碴TB/T2897-19986、铁路路基工程施工安全技术规程TB10302-20097、娄底至邵阳铁路扩能改造工程路基工点施工设计图8、娄底至邵阳铁路扩能改造工程路基工程设计详图集娄邵图集娄邵施（路）9、上级单位有关文件内容及要求。二、工程概况娄底至邵阳铁路扩能改造工程LSZQZH-标路基执行新建200公里时速客货共线铁路相关标准，路基按有砟轨道断面设计，基床表层设计为级配碎石填筑，基床表层级配碎石填筑前，根据初选的摊铺和

3、碾压机械及试生产的填料，在现场选取长度不小于100m的地段进行摊铺压实工艺试验，确定工艺参数，并报上级单位确认。本标段各类型路基断面基床结构如下：1、普通路堤基床：基床厚度2.5m，其中表层设计级配碎石厚0.6m，底层设计A、B组填料（或场拌改良土）厚1.9m，表层顶底面设4%双向横向流水坡。2、低矮路堤基床：对于填筑高度小于基床厚度的路堤，表层设计级配碎石厚0.6m，底层范围内当存在天然地基承载力180KPa的土层时应换填施工处理，表层顶底面设4%双向横向流水坡。3、路堑基床：路堑基床表层换填0.45m厚级配碎石+0.1m厚中粗砂+复合土工膜+0.05m厚中粗砂，表层顶底面设4%双向横向流水

4、坡。一般粘性土、极软岩及弱膨胀土表层底部换填1.0m改良土。强风化软质岩石、全风化岩表层底部换填0.5m厚AB组填料（或场拌改良土）。4、站场：站内正线及进出站线路基床结构及填料与区间相同。站线换填0.3m厚中粗砂。三、施工组织机构本试验段由中铁七局武汉公司娄邵铁路项目经理部第二综合架子队组织施工。项目经理部设七部一室。中铁七局武汉公司娄邵铁路项目部主要管理人员：项目经理：钟 炜项目书记：高 剑项目总工：门文博项目副经理：董春生、赵连富工程部长：余美祖安质部长：郝 雷预算合同部长：张绪华物资部长：索善明征地拆迁部长：郑文胜综合部长：毛永根财务部长：董秋丽中心试验室主任：赵爱军第二综合架子队本试

5、验段施工主要管理人员：架子队长：丁云国党支部书记：张艳军架子队总工：姬永峰架子队副队长：刘卫东下设技术员、核算员、质量员、安全员、材料员、试验员、信息员（兼调度）、领工员、工班长等主要岗位。四、试验段设置现我部新建邵东站站场路基DK68+000-DK68+100路堤施工段已基本完成基床底层填筑施工，由于该段路基位于膨胀土路基施工区段，地质及地表情况能代表本地区路基基床表层级配碎石填筑施工的特点，故计划选定该段做为试验段施工区段，施工区段纵向长度为100m，可利用站台间施工横向宽度45m。填料采用邵东站WBS500填料集中拌合站场拌生产，最大施工运距500米，拌合设备检验标定计量准确可满足施工要

6、求。五、试验段施工原则及目的依据规范要求基床表层级配碎石应分层填筑，每层最大填筑压实厚度不得大于30cm，最小压实厚度不得小于15cm，结合管段内表层级配碎石设计厚度，试验段施工计划按照松铺厚度35cm、30cm、25cm、20cm进行填筑试验。根据不同填层厚度、不同碾压遍数的检测数据进行整理分析，绘制出不同填层厚度的碾压遍数与K30值、孔隙率n值的变化曲线关系图，确定出不同填层厚度的最优碾压遍数，通过技术经济比选确定路堤、路堑基床表层级配碎石填筑分层最佳组合方式。编制试验段成果总结报告报监理及建设指挥部审批通过后指导全段表层级配碎石大面积施工。六、试验段施工计划安排1、2013年7月9日6月

7、10日：基床底层验收；2、2013年7月10日7月13日：试验段填筑施工；3、2013年7月14日7月16日：试验数据及现场记录整理，试验段成果总结报告编制报审；七、试验段施工准备1、基床底层验收试验段表层级配碎石填筑前对基床底层进行验收，检查几何尺寸、顶面高程、压实质量等。不符合要求应进行修整，达到基床底层验收标准后方可进行试验段填筑。2、测量放样填筑前由测量人员放样试验段填筑区段边线及分区位置，指导下步填筑施工。3、级配碎石填料检验施工前对不同料仓内的不同粒径的料源进行现场取样、筛分检测以确定填料满足施工的相关验收标准。级配碎石采用的碎石粒径、级配及材料性能应符合铁道部现行铁路碎石道床底碴

8、，每2000方抽样检验1次颗粒级配、颗粒密度、粘土团及其他杂质含量等指标。4、施工人员及设备机具施工人员计划表序号姓名职务工作分工1丁云国架子队长总体负责试验段施工各项工作2姬永峰技术负责人总体负责试验段施工各项技术工作3刘卫东架子队副队长负责施工现场组织安排4秦利涛技术员负责试验段施工技术交底、卡控5余进文质检工程师负责试验段质量自检报检等工作6刘博文试验员负责级配碎石原材料取样检测及现场压实试验检测7魏永军测量员负责现场放样及高程测量等工作8汤明安领工员负责施工现场带班作业等工作设备机具计划表序号名称规格型号数量设备状态1推土机SD-161良好2平地机WD615.2201良好3压路机LG5

9、20A1良好4自卸汽车8良好5装载机ZL501良好6级配碎石拌合站WBS5001良好7K30平板荷载仪1良好8电子称1良好9灌砂桶1良好10全站仪SOKIA1良好11水准仪SOKIA1良好八、施工工艺及流程1、施工程序基床表层的填筑宜按验收基床底层、搅拌运输、摊铺碾压、检测修整 “四区段”和拌合、运输、摊铺、碾压、检测试验、修整养护 “六流程”的施工工艺组织施工。2、工艺流程2.1填筑前对所需的材料作全面的检查，并提前作好储料的一切准备工作，并有足够的储料场，保证正常连续铺筑。2.2验收基床底层：表层级配碎石填筑前应检查基床底层几何尺寸，核对压实质量，不符合标准的基床底层应进行修整，达到基床底

10、层验收标准。基床表层级配碎石或级配砂砾石施工工艺框图验收基床底层区段搅拌运输区段摊铺碾压区段检测修整阶段施工准备测量放样拌合运输碾压修整养护摊铺检测试验2.3测量放样：在施工现场附近引临时水准点，报监理审批，严格控制标高；按10m一桩，按照方案计划的松铺厚度划线并按照试验段方案的松铺厚度打好方格。2.4拌和：级配碎石混合料用级配碎石拌和设备在拌和场集中进行拌和，混合料需拌和均匀，采用不同粒径的碎石和石屑，按预定配合比在拌和设备内拌制级配碎石混合料。在正式拌制级配碎石混合料之前，必须先调试所用的场拌设备，使混合料的颗粒组成、级配和含水量都能达到规定的要求。2.5运输卸料：装料时，车要有规律的移动

11、，使混合料在装车时不致产生离析；卸料严格按照方格控制，确保松铺厚度满足方案要求。2.6摊铺平整：检查填料的含水量与其最佳含水量之差不超过2时立即予以摊铺整平，本次试验段路基基床表层松铺厚度按35cm、30cm、25cm、20cm分别进行试验。填料摊铺平整，先用推土机进行初平，再用平地机进行终平，推土机摊平时按标高控制桩控制厚度。2.7碾压：摊铺整平后，松铺厚度、平整度和含水量符合要求即开始碾压本试验段采用重型光面振动压路机一台，碾压时记录碾压遍数及碾压速度。碾压时采取从两侧向中心的顺序，纵向进退式碾压，行与行轮迹重叠0.20.3m，横向同层接头处重叠0.40.5m，相邻两区段纵向重叠1.01.

12、5m，以保证无漏压、无死角，确保碾压的均匀性。碾压方法为：静压一遍，弱振碾压一遍，强振碾压26遍（同步检测结果定），弱振碾压一遍，最后再静压一遍消除轮迹。即：静压 弱振 强振 静压。碾压行驶速度开始时用满速（宜为2-3km/h），最大速度不超过4km/h。2.8检测：在每一试验填层碾压三遍后即用K30平板载荷仪、灌砂法检测地基系数K30、孔隙率n。检测频率为每试验填层每遍（自碾压三遍后开始）6个点，直至满足设计要求。试验过程中安排技术人员、检测人员记录压路机的碾压速度、碾压顺序、碾压遍数及压实度检测等情况，以便整理出指导大面积路基填筑施工的总结报告。K30要求合格指标：190MPa/m，孔隙率

13、n要求合格指标18%。2.9 路基面修整与场地清理基床表层顶面要按设计断面图要求施工横向排水坡，压实后的级配碎石表面如有局部不平整处，将局部不平整处刨松洒水，加级配碎石补填补压，使其外型达到路拱平顺。九、质量保证措施为确保试验段所得各项数据全面、准确，真正达到试验目的，除满足一般施工要求外，尚应着重加强以下措施：开工前对全体参与人员进行试验段实施方案的讲解，领会试验目的，明确试验工作程序，掌握需控制的标准，从而将各阶段的质量责任分解到各具体人员或班组。各种检测、测量仪器鉴定合格后方可使用，在试验期间，保证同一测试项目的仪器不得中途更换。施工机具的性能应保持良好，进场前应向监理报验。坐标和水准基

14、点位置必须牢固可靠，数据可信，并请监理复核认可。应在专门的记录表格上，及时、准确做好施工记录。推土机摊铺整平后进行压实，压实顺序应按先两侧后中间，先慢后快，先静压后振动压的操作程序进行碾压。十、安全保证措施施工区域应设警示标志，严禁非工作人员出入。施工中应对机械设备进行定期检查、养护、维修。现场应有专人统一指挥，并设安全员负责现场的安全工作。制订合理的作业程序和机械车辆走行路线，现场设设立明显标志，防止相互干扰碰撞，机械作业要留有安全距离。严禁在离电缆1m以内作业。机械运行中严禁接触转动部位和进行检修。在修理工作装置时应使其降到最低位置并应在悬空部位垫上垫木。机械不得靠近输电线路作业，并应留出

15、安全距离。配合作业人员应在机械回转半径以外工作。当必须在回转半径以内工作时，应停止机械回转并制动好后方可作业。机械作业完后应停放在坚实平整的地面上。十一、环境保护措施路基外的材料及时清理，不得影响路基以外的植被。做好路基表面临时排水，减少雨水冲蚀边坡造成的水土流失。夜间施工避免灯光扰民。施工现场和施工便道应及时清扫、洒水，减少扬尘污染。加强机械维修保养，减少跑冒滴漏。机械设备维修保养集中进行，所产生的含油污水集中收集，经澄清、吸附出油后回用或散排。固体废弃物集中收集封装，回收利用或运至环保部门指定场所进行处理。在距离居民生活区较近的施工现场，须建立必要的噪声控制设施，如隔声屏等。减少因施工对周

16、围居民环境的影响。十二、附件附件1：拌合设备计量检定证书附件2：级配碎石配合比选定报告（英文版 ） Two regulations promulgated for implementation is in the party in power for a long time and the rule of law conditions, the implementation of comprehensive strictly strategic plan, implementation in accordance with the rules and discipline to manage

17、the party, strengthen inner-party supervision of major initiatives. The two regulations supporting each other, the adhere to a positive advocate, focusing on morality is of Party members and Party leading cadres can see, enough to get a high standard; around the party discipline, disciplinary ruler

18、requirements, listed as negative list, focusing on vertical gauge, draw the party organizations and Party members do not touch the bottom line . Here, the main from four square face two party rules of interpretation: the first part introduces two party Revised regulations the necessity and the revis

19、ion process; the second part is the interpretation of the two fundamental principles of the revision of laws and regulations in the party; the third part introduces two party regulations modified the main changes and needs to grasp several key problems; the fourth part on how to grasp the implementa

20、tion of the two regulations of the party. and revised the necessity and revised history of the CPC Central Committee the amendment to the Chinese Communist Party members and leading cadres honest politics several guidelines and column 1 by 2015 to strengthen party laws and regulations focus. Two par

21、ty regulations revision work lasted a Years, pooling the wisdom of the whole party, ideological consensus, draw historical experience, respect for the wisdom of our predecessors, which reflects the unity of inheritance and innovation; follow the correct direction, grasp the limited goals, adhere to

22、the partys leadership, to solve the masses of the people reflect a focus on the problem. The new revision of the and , reflects the partys 18 and the eighth session of the third, the spirit of the fourth plenary session, reflecting the experience of studying and implementing the General Secretary Xi

23、 Jinping series of important speech, reflects the partys eighteen years comprehensive strictly practice. (a) revised two regulations of the party need of in based on revised, the promulgation and implementation of January 2010, to strengthen the construction of the contingent of leading cadres play

24、an important role. But with the party to manage the party strictly administering the deepening, has not been able to fully meet the actual needs. Content is too complicated, eight prohibition, 52 are not allowed to hard to remember, and also difficult to put into practice; the second is concisely po

25、sitive advocated by the lack of prohibited provisions excessive, no autonomy requirements; the third is banned terms and discipline law, both with the party discipline, disciplinary regulations repeat and Criminal law and other laws and regulations repeat; the fourth is to clean the theme is not pro

26、minent, not for the existing problems, and is narrow, only needle of county-level leading cadres above. is in 1997 based on revision, in December 2003 the promulgation and implementation, to strengthen the construction of the party play very important role. Along with the development of the situatio

27、n, which many provisions have been unable to fully meet the comprehensive strictly administering the practice needs. One is Ji law, more than half of the provisions and criminal law and other countries laws and regulations Repetition; two is the political discipline regulations is not prominent, not

28、 specific, for violation of the party constitution, damage the authority of Party Constitution of misconduct lack necessary and serious responsibility to pursue; third is the main discipline for the leading cadres, does not cover all Party members. Based on the above situation, need to and the two i

29、s likely to be more relevant regulations first amendment. By revising, really put the authority of Party discipline, the seriousness in the party tree and call up the majority of Party members and cadres of the party constitution of party compasses party consciousness. (II) two party regulations rev

30、ision process the Central Committee of the Communist Party of China attaches great importance to two regulations revision . Xi Jinping, general books recorded in the Fifth Plenary Session of the eighth session of the Central Commission for Discipline Inspection, on the revised regulations made clear

31、 instructions. According to the central deployment, the Central Commission for Discipline Inspection from 2014 under six months begin study two regulations revision. The Standing Committee of the Central Commission for Discipline Inspection 4 review revised. Comrade Wang Qishan 14 times held a speci

32、al meeting to study two regulations revision, amendment clarifies the direction, major issues of principle, path and target, respectively held a forum will listen to part of the province (area) secretary of the Party committee, Secretary of the Discipline Inspection Commission, part of the central m

33、inistries and state organs Department The first party committee is mainly responsible for people, views of experts and scholars and grassroots party organizations and Party members. Approved by the Central Committee of the Communist Party of China, on 7 September 2015, the general office of the Cent

34、ral Committee of the Party issued a notice to solicit the provinces (autonomous regions, municipalities) Party, the central ministries and commissions, state ministries and commissions of the Party (party), the General Political Department of the military, every 3 people organization of Party of two

35、 regulations revision opinion. Central Commission for Discipline Inspection of extensive solicitation of opinions, careful study, attracting, formed a revised sent reviewers. In October 8 and October 12, Central Committee Political Bureau Standing Committee and the Political Bureau of the Central Co

36、mmittee After consideration of the two regulations revised draft. On October 18, the Central Committee of the Communist Party of China formally issued two regulations. Can say, two laws amendment concentrated the wisdom of the whole party, embodies the party. Second, and revision of the basic princi

37、ples of two party regulations revision work and implement the partys eighteen, ten eight plenary, the spirit of the Fourth Plenary Session of the Eleventh Central Committee and General Secretary Xi Jinping important instructions on the revised and , highlighting the ruling party characteristics, ser

38、ious discipline, the discipline quite in front of the law, based on the current, a long-term, advance as a whole, with Bu Xiuding independent and . Main principle is: first, adhere to the party constitution to follow. The constitution about discipline and self-discipline required specific, awaken th

39、e party constitution of party compasses party consciousness, maintaining the authority of the constitution. General Secretary Xi Jinping pointed out that no rules, no side round. Party constitution is the fundamental law, the party must follow the general rules. In early 2015 held the eighth session

40、 of the Central Commission for Discipline Inspection Fifth Plenary Session of the 16th Central Committee, Xi Jinping again pointed out that constitution is the party must follow the general rules, but also the general rules. the revision of the and is Method in adhere to the regulations established

41、for the purpose of combining rule of virtue is to adhere to the party constitution as a fundamental to follow, the constitution authority set up, wake up the party constitution and party rules the sense of discipline, the party constitution about discipline and self-discipline specific requirements.

42、 4 second is to adhere to in accordance with the regulations governing the party and the party. The Party of rule of virtue de, mainly refers to the partys ideals and beliefs, excellent traditional style. The revised the closely linked to the self-discipline, insisting on the positive initiative, fo

43、r all members, highlight the vital few, emphasized self-discipline, focusing on the morality, and the majority of Party members and the ideological and moral standards. The revised Ji method separately, Ji, Ji Yan to Method, as a negative list, emphasizing the heteronomy, focusing on vertical gauge.

44、 Is this one high and one low, a positive reaction, the strict party discipline and practice results transformation for the integration of the whole party to observe moral and discipline requirements, for the majority of Party members and cadres provides benchmarking and ruler. Third, insist on to.

45、In view of the problems existing in the party at the present stage, the main problems of Party members and cadres in the aspect of self-discipline and abide by the discipline to make clearly defined, especially the partys eighteen years strict political discipline and political rules, organization a

46、nd discipline and to implement the central eight provisions of the spirit against the four winds and other requirements into Disciplinary provisions. Not one pace reachs the designated position, focusing on in line with reality, pragmatic and effective. After the revision of major changes, major changes in the and modified and needs to grasp s