商品混凝土质量控制方案1.doc

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1、商品混凝土质量控制方案1商品混凝土质量控制方案 编制: 审核: 审定: 新建和谐型大功率机车检修基地商品混凝土质量控制方案 一、工程概况 新建和谐型大功率机车检修基地工程总占地252831?,基地平面呈矩形布置,其中:东西向总长约874m,南北向总长约293m。. 检修基地工程包括路基工程、轨道工程、涵洞工程、房屋建筑及其附属工程、室外给排水工程、站场工程、电力工程、通信工程、信号工程、信息工程、机务等共计十一个专业工程。 本工程房屋建筑专业共有25个单体工程,房屋结构主要为排架结构、框架结构、砖混结构三种类型,总建筑面积为67745。09m2(最大的组合检修库建筑面积为38147。18m2)

2、,其中生产房屋建筑面积合计61151。47m2,生活房屋建筑面积合计6593.62m2. 本工程轨道工程由有碴线路与无碴线路两部分组成。其机车出入段线由新建哈尔滨北站接轨,经过单线有碴线路后通过道岔分别引入检修基地2年检库与存车区内,然后存车区内存车线反向出岔与准备库、洗车兼吹扫库内无碴线路接轨。 二、施工依据 1。铁道部第三勘察设计院集团有限公司; 普通混凝土力学性能试验方法(GB/T50081-2002); 铁路混凝土强度检验评定标准(TB10425-1994) 2。混凝土生产供应厂家应针对本工程建立质量管理方针、工程质量目标、生产供应方案、质量控制方案等报施工项目部。 3。混凝土生产供应

3、厂家应针对本工程建立组织管理机构。哈尔滨大功率机车检修基地项目部对混凝土生产供应厂家质量进行监管,保证工程质量。混凝土生产供应厂家应配备专业齐全、业务能力强的人员组成,并绘制成框图,明确相关人员的职责和权限并报施工项目部. 4 原材料质量要求 4.1水泥 C50采用兰根PO42。5水泥,必须满足GB17599要求及相关行业标准要求; 商品混凝土厂对于哈尔滨大功率机车检修基地所使用的水泥专库存放; 水泥厂提供与工程所用材料同批次的水泥质量检测报告。商品混凝土厂按规定要求进行抽样复验,保证用于本工程的水泥材料合格,并建立相应的台帐. 4。2粗集料 满足GB/T14685-2001技术要求. 最大粒

4、径严格控制为35mm,满足531.5mm连续级配要求; 粒形良好,含泥量不大于1.0,针片状颗粒含量不大于5 %; 母岩抗压强度不低于100Mpa,压碎值不大于20%; 混凝土搅拌站应保证使用的集料并不具有碱活性并提供集料碱活性检测报告。当集料供应料场变化时应重新进行碱活性检测。 并建立相应的进场、验收、试验等台帐。 4.3细集料 满足GB/T146842001及哈尔滨市混凝土机制砂质量标准的技术要求. 特细砂细度模数不低于1.2,含泥量不大于2.0%;机制砂细度模数不低于3.5;含粉量不大于5.0%;机制砂母岩强度不低于80Mpa,压碎值不大于25;混合砂级配符合中砂要求,细度模数不小于2.

5、6; 混凝土搅拌站应保证使用的细集料不具有碱活性并提供集料碱活性检测报告.当集料供应料场变化时应重新进行碱活性检测。并建立相应的进场、验收、试验台帐。 4。4矿粉: 按GB/T18046-2000达到S95质量要求; 厂家应提供与工程所用材料同批次的磨细矿渣物成份分析报告及质量检测报告。并建立相应的台帐。 4。5泵送剂 满足JC4732001规定要求; 与工程用水泥具有良好的适应性; 泵送剂减水率大于25,塌落度增加值大于150mm,经时性满足混凝土搅拌、运输要求; 引气量小于4。5,碱含量小于8。0,缓凝时间满足不同季节的缓凝要求。 外加剂厂应提供与工程所用材料同批次的检测报告并根据工程施工

6、需要参与相关调试工作; 对于每批次进场的外加剂,须作凝结时间等相溶性试验的测定,作好标识等准备工作.并建立相应的台帐。 4.6拌和用水 必须符合相关混凝土用水规范要求. 4。7 采购、运输、储存、标识、使用、抽检等要求 材料进场后堆放在专用仓库,库内保持干燥,设制材料标识,并按规范要求的批量、取样方法等进行抽样检测。所用原材料必须有出厂合格证或试验报告,并必须满足的性能指标.合格后方能使用。严格执行由设计单位出具的水泥混凝土配合比报告,确保混凝土质量。每次浇筑前所用各种原材料的质保证明或抽检报告资料必须提前送至施工项目部核查,认可后方可入场。 5.搅拌、计量、运输、泵送设备要求 搅拌、计量、运

7、输、泵送等设备的数量及规格型号等必须满足混凝土浇筑要求,并有足够数量的设备作为备用.计量设备必须按要求在规定时间内送有权单位进行计量检校,经大修、中修或迁移至新的地点后,也应进行检定,并予以标识。各种设备应在混凝土浇筑前进行检查,符合要求后方允许开机作业,以确保混凝土正常供应。并建立相应的台帐. 6。 搅拌要求 每一工作班正式称量前,应对计量设备进行重点校核,进料搅拌时,搅拌的容量应符合搅拌设备的技术要求,设备搅拌的时间必须符合规范要求,掺外加剂、外掺剂、杜拉纤维等应按规范要求延长搅拌时间以满足混凝土的和易性、粘聚性等各项性能。要求混凝土拌和物均匀,颜色一致,不得有离析和泌水现象。进料的顺序应

8、保证混凝土的质量。 7. 运输要求 混凝土的运输能力应满足混凝土凝结时间和浇注速度的需要,使浇注工作不间断并使混凝土运到浇注地点时仍保持均匀性和规定的塌落度,每车运输时间不超过60分钟。 混凝土运至浇注地点后发生离析、严重泌水或塌落度不符合要求,混凝土厂家应按退货或规范规定处理,如仍不符合要求,则不得使用。 在混凝土运输时,必须考虑各种情况,在施工要求的时间内到达现场。混凝土运输车的数量、规格应满足混凝土浇筑的要求. 8。 现场验收 在混凝土运输车到达现场后,应先核对混凝土出厂通知单进行核对,核对内容包括工程名称、部位、强度等级、塌落度、原材料的检验合格情况等,在核对无误后,由厂方试验人员与施

9、工方试验人员及在监理旁站的情况下对每车混凝土进行和易性、塌落度等检测,符合要求后,方可使用.如混凝土不能满足相关要求时,应将该混凝土退回厂方处理。 混凝土拌和物质量要求:混凝土拌和物运至现场塌落度控制在180220mm,扩展度控制在450550mm,2h塌落度保留值,150mm。 9.混凝土取样,试件制作、养护和试验 39.1混凝土试样在混凝土浇注地点随机抽取,取样频率应满足:每100M。但不3超过100m的同配合比的混凝土,取样次数不得少于一次;每工作班拌制的同配合比3的混凝土不足100 M时其取样次数不得少于一次。 9。2检验评定混凝土强度用的试件,应按国家标准进行成型、标准养护和试验.并

10、建立相应的台帐。 10.混凝土质量评定(最终验收质量评定) 混凝土厂商应对每次浇注的混凝土提供原材料质量证明和抽样检验试验报告资料,以保证原材料质量合格.混凝土浇注完毕后,厂商必须提供商品混凝土质量合格证明,在合格证明书上须有原材料情况和检验报告编号,混凝土R28抗压强度值及其试验报告编号。混凝土的质量评定,按混凝土质量评定标准(GB107-87)要求执行,并提供质量评定资料.并建立相应的台帐。 11混凝土档案资料管理 混凝土厂家应设专人进行档案资料收集、归档.作为最终验收,则以现场取样混凝土尺寸抗压强度作为验收评定合格或不合格,做为最终支付的依据。 相关资料收集范围如下: 混凝土工程技术资料

11、收集目录 序号 资料名称 备注 1 混凝土相关会议纪要 2 混凝土供应合同 3 C50混凝土设计配合比报告 4 原材料质量证明和抽检试验报告 按批量检测 5 相关设备检校资料 6 混凝土计划单 7 混凝土试件强度试验报告 8 混凝土合格证 9 混凝土强度评定 10 质量事故报告及处理记录 11 各相关台帐资料 (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 implementatio

12、n of comprehensive strictly strategic plan, implementation in accordance with the rules and discipline to manage the party, strengthen innerparty supervision of major initiatives。 The two regulations supporting each other, the and revised the necessity and revised history of the CPC Central Committe

13、e the amendment to the Chinese Communist Party members and leading cadres honest politics several guidelines and Chinese Communist Party discipline and Punishment Regulations column 1 by 2015 to strengthen party laws and regulations focus. Two party regulations revision work lasted a Years, pooling

14、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 the partys leadership, to solve the masses of the peo

15、ple reflect a focus on the problem. The new revision of the code and rule , 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 Jinping series of important speech, reflec

16、ts the partys eighteen years comprehensive strictly practice. (a) revised two regulations of the party need of 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 situation, w

17、hich 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 spe

18、cific, 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 the criterion of

19、a clean and honest administration and rule the two is 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

20、 party consciousness. (II) two party regulations revision 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 Discipli

21、ne Inspection, on the revised regulations made clear 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 revie

22、w revised。 Comrade Wang Qishan 14 times held a special 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 Dis

23、cipline Inspection Commission, part of the central ministries 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,

24、 on 7 September 2015, the general office of the Central 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 m

25、ilitary, every 3 people organization of Party of two 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

26、Committee and the Political Bureau of the Central Committee 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

27、 the party。 Second, code and Regulations revision of the basic principles 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

28、 the revised low political criterion and , highlighting the ruling party characteristics, serious discipline, the discipline quite in front of the law, based on the current, a longterm, advance as a whole, with Bu Xiuding independent rule and rule 。 Main principle is: first, adhere to the party cons

29、titution to follow。 The constitution about discipline and self-discipline required specific, awaken the 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

30、 is the fundamental law, the party must follow the general rules。 In early 2015 held the eighth session 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,

31、but also the general rules。 the revision of the code and rule is Method in adhere to the regulations established 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

32、rules the sense of discipline, the party constitution about discipline and selfdiscipline specific requirements。 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 t

33、raditional style。 The revised the Ji method separately, Ji, Ji Yan to Method, as a ”negative list”, emphasizing the heteronomy, focusing on vertical gauge. Is this one high and one low, a positive reaction, the strict party discipline and practice results transformation for the integration of the wh

34、ole party to observe moral and discipline requirements, for the majority of Party members and cadres provides benchmarking and ruler. Third, insist on to。 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 selfdiscipline

35、 and abide by the discipline to make clearly defined, especially the partys eighteen years strict political discipline and political rules, organization and discipline and to implement the central eight provisions of the spirit against the four winds and other requirements into Disciplinary provisio

36、ns. 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 rule modified and needs to grasp several key problems (a) code code adhere to according to regulations governing the party and par

37、ty with morals in combination, for at the present stage, the leadership of the party members and cadres and Party members in existing main problems of selfdiscipline, put forward principles, requirements and specifications, showing Communists noble moral pursuit, reflected at all times and in all ov

38、er the world ethics from high from low 5 common requirements。 One is closely linked to the selfdiscipline, removal and no direct relation to the provisions of . the second is adhere to a positive advocate, ”eight prohibition” 52 are not allowed to about the content of the” negative list moved into s

39、ynchronization amendment cases 。 Three is for all the party members, will apply object from the leadership of the party members and cadres to expand to all Party members, fully embodies the comprehensive strictly required。 The fourth is prominent key minority, seize the leadership of the party membe

40、rs and cadres is the key, and put forward higher requirements than the ordinary Party members。 Five is to simplify, and strive to achieve concise, easy to understand, easy to remember。 The revised code is the ruling Party since the first insists on a positive advocate forAll Party members and the se

41、lf-discipline norms, moral declaration issued to all members of the party and the National Peoples solemn commitment. criterion of a clean and honest administration consists of 4 parts, 18, more than 3600 words。 After the revision of the code , a total of eight, 281 words, including lead, specification and Party member cadre clean fingered self-discipline norms, etc。 Part 3 members lowcost clean and selfdiscipline, the main contents can be summarized as ”four must” ”eight code。 Lead part, re

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