u骨架护坡施工方案.doc

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1、yuan, an increase of 17.5%; local government general budget revenue of 500 million Yuan, . Painting, model culture creates new Ma Church community, creating Lake scenic spot culture education base, received high evaluation from provincial and municipal discipline Inspection Commission, the peoples d

2、aily special report. Constantly promote independent Commission against corruption culture construction to rural extends, created established Dahlin rural industry Park independent Commission against corruption culture positions, formed has a support service low double excellent of members lead team,

3、 constantly perfect and established Park funds assets management, and village audit supervision, and villagers democratic financial, system, strengthening Park party, and Chief, and financial, full public, powerful to guarantees has new rural construction, by city rural style clean government inspec

4、tion unit led of height evaluation. Through the implementation of honest and clean government cultural construction, and effectively educate the broad masses of party members and cadres and consciously regulated behavior and discipline, honesty in politics and culture to create a good atmosphere and

5、 fresh development environment. Although we in implement implementation independent Commission against corruption guidelines aspects made has must effectiveness, but away from superior of requirements also exists must of distance, main performance for: a is system enough sound, education, and superv

6、ision, and prevention, and punishment, aspects long-term mechanism also enough perfect, especially in enrollment bid work regulatory aspects also needed strengthening; II is regulatory supervision exists lost of Yu wide, and lost of Yu soft, investigation illegal disciplinary case of efforts also ne

7、eded strengthening, individual sector and cadres also different degree exists treat gift, not to benefits not do, and mess do of phenomenon; Three for honest work is the new situations and new problems in finding timely enough, treatment measures are not strong enough. To solve these problems, we wi

8、ll proceed from the following five aspects of rectification, make sure to implement the provisions of the code. (A) deepening the learning, enhance the consciousness of honesty in politics. To create event as an opportunity to Excel and learning party, further increasing the governance capability an

9、d advanced construction, reinforced rules of the broad masses of party members and cadres awareness, sense of responsibility, sense of honor, improve working ability and level of scientific development. Should make full use of meetings, in particular central group learning opportunity, further stren

10、gthening the study and education of the code, the intensive warning education, education the majority of party members and cadres known fear, knew fear, honesty in politics of tension the strings, consciousness and enhancing the implementation of the initiative. Also, pay attention to apply what the

11、y have learned, consciously study results into planning work, new ideas,重庆中环建设有限公司 澜阿公路1合同段骨架护坡施工方案 骨架护坡施工方案1、编制依据及原则1.1编制依据1、普洱市澜沧至孟连至勐阿二级公路土建施工1合同段招投标相关文件及1合同段两阶段施工设计图;2、澜阿二级路1合同段路基土石方施工和整体施工安排需要;3、普洱市公路经营养护有限责任公司对相关质量、安全要求;4、我项目部相关资源配制和管理需要;5、公路工程技术规范(JTGB01-2003)、公路路基施工技术规范(JTG F10-2006)、公路工程质量检

12、验评定标准(JTG F80/1-04)和其他与本工程施工技术、安全、质量验收等方面有关的国家标准和交通部颁发的各种规范、规程及法规文件等。1.2编制原则根据本合同段路基土石方填筑规模,工期目标,工程特点,施工工艺及地质条件,合理配备生产要素,对生产要素实行优化组合;坚持高标准,严要求,按“统一指挥,网络管理,分工负责,全面推进”的组织原则。坚持“百年大计、质量为本”的原则。精心组织、严格管理,合理安排工作量和工期,确保工程质量。坚持实事求是的原则。在施工组织设计中,坚持施工技术先进、施工方案可行、重合同守信誉、施工组织科学合理、按期优质安全高效、不留后患。重视生态环境。在施工期间及竣工通车后保

13、证不发生水土流失,保证不破坏当地环境。贯彻执行国家和当地政府的方针政策,遵守法律法规,尊重当地的民风民俗。2、工程概况本合同段起点K0+000(=项目起点)接澜惠二级公路K4+660处,向西南沿老公路布线,于K0+353.766改为分离式路基,右侧仍沿老路布设,左侧改由南朗河南岸布设,至K4+485(ZK4+485)本合同结束。全长8.616km。本合同主要位于勐朗镇,沿南朗河布设。全线设计速度为60km/h,公路等级为二级,路基宽度分别为8.5m、12m,路基土石方71.97万方。路基边坡防护工程量较大,骨架护坡形式有拱形骨架护坡和人字形骨架护坡。拱形骨架采用M10浆砌片石,本防护方法适用于

14、路堤边坡高度大于3.0m时的路堤边坡防护。路堤边坡高度H4.0m时,采用单排衬砌拱,4.0mH8.0m时设双排衬砌拱, 8.0mH12.0m时设三排衬砌拱。人行踏步(兼流水槽)对应于中央分隔带横向排水管铺设协调进行,无排水管时每100m设一道,但根据边坡高度、路段长度,每一填方路段设置不少于一道为宜。拱骨架厚度为0.3m,宽度0.4m,骨架净距3m,采用M10浆砌片石,镶边石采用C25预制砼块,厚23cm,宽5cm。人字形骨架护坡适用于边坡高度3m的土质路堑边坡、全风化及强风化岩质路堑边坡的防护,边坡坡率不陡于1:0.75。骨架、护脚及基础均采用M10浆砌片石,镶边石采用C20预制混凝土块,镶

15、边石长50cm,宽20cm,厚10cm,嵌入地面10cm,外露10cm。基础下用10cm厚沙砾垫层。3、主要工程量及技术要求3.1主要工程量 骨架护坡主要工程数量表起 始 桩 号终 止 桩 号工程名称主要尺寸及说明位 置长 度(护坡长度护坡高度)左右(m)(m)K3+320.00K3+360.00拱型骨架护坡400840ZK3+760.00ZK3+790.00拱型骨架护坡30014.430K0+620.00K0+730.00人字型骨架护坡110032110.00K0+751.00K0+820.00人字型骨架护坡6903169.00K1+385.00K1+485.00人字型骨架护坡1000321

16、00.00K1+500.00K1+610.00人字型骨架护坡110030110.00K1+710.00K1+870.00人字型骨架护坡160010160.00K2+025.00K2+130.00人字型骨架护坡105017105.00K2+420.00K2+515.00人字型骨架护坡9501295.00K2+750.00K2+910.00人字型骨架护坡160033160.00K3+010.00K3+115.00人字型骨架护坡105025105.00K3+130.00K3+170.00人字型骨架护坡4001440.00K3+240.00K3+330.00人字型骨架护坡9003490.00K3+36

17、0.00K3+460.00人字型骨架护坡100025100.00K3+590.00K3+700.00人字型骨架护坡110029110.00ZK0+725.00ZK0+915.00人字型骨架护坡190024190.00ZK1+081.00ZK1+155.00人字型骨架护坡7401174.00ZK1+730.00ZK1+861.00人字型骨架护坡131027131.00ZK1+987.00ZK2+119.00人字型骨架护坡132020132.00ZK2+535.00ZK2+590.00人字型骨架护坡55016.555.00ZK2+605.00ZK2+685.00人字型骨架护坡8001780.00Z

18、K3+150.00ZK3+397.00人字型骨架护坡247033247.00ZK3+785.00ZK3+945.00人字型骨架护坡160030160.00ZK3+790.00ZK3+940.00人字型骨架护坡150011.5150.00ZK4+048.00ZK4+222.00人字型骨架护坡174021.5174.00ZK4+288.00ZK4+360.00人字型骨架护坡7201772.003.2技术要求1、拱形骨架净距宽高=3m3m,采用M10浆砌片石砌筑,骨架嵌入路堤边坡深0.3m,C25混凝土预制镶边石嵌入地面15cm,外露8cm。2、人字形骨架主骨架间距3.5m,骨架嵌入坡面深0.4m,

19、边坡平台砌筑厚度为0.3m,镶边石采用0.5m*0.2m*0.1m的C20预制混凝土块,护脚、基础、边坡平台及骨架均采用M10浆砌片石。3.3 材料要求1、水泥(1)采用P.O32.5普通硅酸盐水泥;(2)水泥堆垛时高度不宜大于1.52.0m,堆垛应架离底面0.2m以上,并距离四周墙壁0.20.3m,或留一通道。水泥不得露天堆放,临时露天堆放时应上盖下垫;(3)水泥的装运应有棚盖,储存应设在地势较高,周围设有排水设施的地方,袋装水泥在装卸和搬运过程中不得抛掷。2、砂及砂浆(1)采用坚硬耐久、粒径在5mm以下的天然中砂或硬质岩石加工制成的机制砂,含泥量不得大于5%,有害物质含量不大于规范允许范围

20、;(2)砂浆强度采用M10。现场机械拌制,搅拌时间自投料完算起不少于2分钟,搅拌均匀,随拌随用,砂浆的稠度做到“手握成团,落地开花”;(3)砂浆应放在灰盘上,不得直接放置在土地上;(4)现场应备好称量器具,拌制砂浆前,并严格按实验室出具的配合比进行计量,保证原材料偏差符合规范要求。3、石料(1)片石要求抗压强度不小于MU30。质地坚硬、不易风化、无裂纹、无水锈、表面无破坏迹象、石料表面的污渍应予以清除;(2)片石形状不受限制,但其中部厚度不得小于15cm。用作镶面的片石表面平整、尺寸较大,边缘厚度不得小于15cm。4、拌合水水采用自来水或干净的地表水,PH值不小于7,无腐蚀性,表面无锈迹。4.

21、人员及机械配置4.1人员配置该段工程现场组织机构如下序号姓名职务负责事项备注1李利黔生产副经理生产负责2范飞质检质量检查监督3张维测量组长测量4王贤文试验主任试验5王波路基工程师现场施工管理6伍贤辉施工员现场施工管理4.2机械配置主要机具设备计划表序号名 称型 号单位数量备注1搅拌机台32电动空压机XPZ25E台13风镐G10台54全站仪TOPK601台15自卸车红岩16t台36装载机柳工50台17挖掘机神钢330台35.骨架护坡施工5.1工艺流程5.2操作工艺(1)施工放样以线路中线控制,依据设计图纸段落内护坡道标高与路床顶面高差按照边坡坡率推算坡脚位置,段落内坡脚位置点进行加桩设置,放样出

22、边坡尺寸。(2)坡面修整边坡放样后,依据设计坡率采用挂线对设计坡面线超刷20cm,残缺部位挖台阶分层填筑;施工前对坡体进行整平、夯实,达到路堤压实标准。刷坡开挖之前通知监理工程师,并对边坡平面位置和现有的地面标高进行测量。为便于开挖后的检查校核,刷坡的控制桩应延长至路堤顶部以内和护坡基础外加以固定。采用机械刷坡,人工配合清理开挖基础,当刷坡厚度还剩20cm位置时,采用人工进行刷坡,防止破坏坡面。刷坡开挖过程按照设计要求放好边坡度。护坡刷坡开挖时应始终保持良好地排水,施工期间,应维护好天然水道,并使地面排水畅通。坡面刷坡开挖达到设计高程后不宜长时间放置,应及时进行砌筑。(3)基槽开挖挖槽按“自上

23、至下”顺序分层进行,每级边坡开挖后应对地质情况进行核实,并及时施工坡面防护和排水设施,再挖下一级边坡;按照设计骨架防护形式挂线成型,进行沟槽开挖,按照骨架各侧部深度开挖成型,开挖时要做到型式、尺寸准确,基底土质密实。(4)基础及墙角砌体砌筑砌体应自下而上逐层砌筑。片石采用挤浆法施工,铺砌时自下而上进行,砌块不得大面铺设,砂浆在砌体内必须饱满、密实,不得有悬浆。砌体各砌块的砌缝应彼此交错搭接(错缝一般为78cm )不得松动,严禁浮塞。竖缝砂浆要先在已砌石块侧面铺放一部分,然后于石块放好后填满捣实,砌体表面应平顺整齐,与边坡嵌接牢固密贴。片石分层砌筑,各工作层竖缝相互错开,不得贯通。砌缝宽度一般不

24、大于4cm,可以用厚度不大于缝宽的石片填塞宽的竖缝,且石片应被砂浆包裹。砌块要错缝、坐浆要挤紧、嵌缝料和砂浆要饱满,无空洞、无宽缝、无大堆砂浆填隙和假缝。砌筑上层块时,避免振动下层砌块。砌筑工作中断后恢复砌筑时,在已砌筑的砌层表面加以清扫和湿润。护坡外露部分选择表面较平整及尺寸较大的块石,并加以粗凿,在沉降缝处所有的块石,修凿出规则的棱角线,确保沉降缝上下垂直贯通,长短相间的与里层砌块咬接。护坡每隔10m设置一道沉降缝,缝宽2cm,沉降缝要求上下垂直贯通,砌筑时要求沉降缝相对的2个面按照外露面要求进行砌筑,确保沉降缝宽度,拐角石必须选择表面平整及尺寸较大的块石砌筑,拐角处采用人工进行修凿,保证

25、拐角石有规则的棱角线;缝内填塞沥青麻筋,沿墙身内、外、顶三侧填塞,填塞深度不小于15cm。外露面应用M10水泥砂浆进行勾缝,勾缝采用凹缝。勾缝前,应先将松动和变形处修整完好,在砌体砌筑时留出2厘米深的空缝。砂浆凝固后,砌体表面全部刷干净,使外貌整洁美观,进行洒水养生。砌体隐蔽面砌缝可随砌随刮平,不另勾缝。同时施工过程中要及时进行覆盖洒水养生。砌体完工后及时清除积土,疏通排水设施,整理现场。砌体砌筑完毕应及时用土工布覆盖,并经常洒水保持湿润,常温下养护期不得小于7天。镶边、基础的伸缩缝应和混凝土预制块拼装骨架留置的一致。(5)骨架砌筑砌筑采用挤浆法砌筑,砌筑时砂浆饱满,不留有空洞,石块应坡此镶紧

26、,接缝错开,缝间用小石块真满塞紧。砌石将分层进行,两相邻工作段的砌筑高度差小于1.2米,且要挂线施工,所立的样板和线架要稳固。基础砌筑应选用较大的石块,如基础与排水沟相连,基基础设在沟底下,。石块交错排布,坐实挤紧,尖锐突出部分要敲除,片石的大面向下,每层都选取形状尺寸较为近似、吻合的石块。当挖方边坡有渗水之处的护面墙,应适当增加泄水孔。护面墙砌筑拦水坝采用标准砖砌筑,施工时,应单独挂线施工,确保其顺直、美观。拱形骨架护坡及人字形骨架护坡每100米设置一梯步,且每段边坡不少于一处。挖方拱形骨架护坡内采用25cm厚浆砌片石封闭。每1015米设沉降缝(伸缩缝)一道,用沥青麻絮沿内、外、顶三方填塞,

27、深入1020cm。(7)勾缝及抹面墙体勾缝采用凹缝,用M10号水泥砂浆勾缝,在砌筑时外露面预留深为20mm的空缝备作勾缝之用,隐蔽面砌缝随砌随刮平,不另勾缝。墙体勾缝待砌施工完后统一勾缝,缝宽20mm,深度20mm,缝槽深度不足时凿够深度后再勾缝,勾缝后用黑油漆涂缝。拦水坝采用抹面处理,其平整度应符合规范要求。(8)养护砌筑完成后1218h之间及时洒水养护,用麻袋片覆盖养生,使砌体保持湿润,并避免碰撞和振动。洒水养护时间不少于7天。6、施工要点及注意事项1、在进行砂浆拌制现场,必须有施工配合比标牌及计量设备(磅称),砂浆试模。2、砂浆运至施工现场应倾置于铁皮上,严禁与浮土直接接触。3、砌筑前应

28、在干净、湿润的基础表面铺一层砂浆再砌筑空心砖,砌块间应砂浆饱满,粘结牢固,砌筑时,底浆应铺满,竖缝砂浆应先在已块侧面铺放一部分,然后于砖块放好后填满捣实4、砌筑前上层砌块应避免振动下层砌块,砌筑工作中断后,恢复砌筑时,已砌筑的砌层表面应加工、清扫和润湿。5、施工现场的水泥存放必须搭设水泥棚,水泥棚用毛竹或其它合适材料搭设,上盖油布、下铺红砖和塑料布,周围挖排水沟,深度以低于水泥台面1020cm为宜。6、水泥强度等级一般为砂浆强度等级的4-5倍,水泥强度不宜大于42.5Mpa,水泥砂浆的最少水泥用量不宜小于200kg/m3;7、质量保证措施7.1组织保证建立组织严密完善的职能管理机构,按照我集团

29、公司保证质量体系正常运转的要求,依据分工负责,互相协调的管理原则,层层落实职能、责任、风险和利益,做到各司其职,各负其责,保证在整个工程施工生产过程中,质量保证体系正常运作和发挥保障作用。7.2制度保证(1)建立从经理、总工、施工队长、技术负责人到操作工人的岗位质量责任制,明确各级管理职责,管生产必须管质量,建立严格的考核制度,实行优质优价政策,将经济效益与质量挂钩。(2)在施工过程中自下而上按照“三检制”实施检测任务。配齐人员做到职能相符,实施质量一票否决制。在严格内部“三检”制度的基础上,认真接受建设单位质量监督和监理单位的监理,接受社会工程监督部门的监督,并自始至终密切配合,严格服从。(

30、3)加强施工组织纪律教育,严格执行项目部的有关质量管理规定以及施工技术部制定的施工质量作业指导书实施细则。坚决做到有令必行、有禁必止。对违章施工、野蛮施工一经发现,必须严肃处理。(4)做好施工全过程的质量控制工作,发现问题及时汇报并处理。(5)严格按照验标要求做好各类原材料抽检和复检工作,认真把好质量关,对于各类测量仪器,须按规定做好计量检定工作,在使用过程中要随时发现掌握可能出现的偏差,以保证计量设备的准确。7.3季节性措施雨季施工(1)工区成立雨季施工领导小组,组长由工区经理兼任,各职能部门负责人为小组成员。制订和落实雨季施工工作制度。明确领导小组成员和各施工单位的责任分工,做到责任到人,

31、各负其责。实行雨季值班制度。(2)雨季来临前备足水泥、砂、石等主要材料,保证路基防护的正常施工。(3)调度部门每天收听天气预报,遇有雨情及时通知有关单位做好预防工作。(4)现场配备水泵等必要的机具设备,以便及时排除施工场地积水,保证较好的作业场面。施工作业人员配备雨衣、雨鞋等劳动保护用品。(5)根据天气情况,护坡施工时应尽量避开大雨天气。8、安全措施1、树立安全第一、文明生产的观念,严守操作规程,避免设备、质量和人身事故的发生。2、关键工序上墙,技术工种持证上岗。3、实行逐级安全技术交底制。4、安全防护措施齐备,设备器具必须合理使用。5、参与施工的人员均应经过培训及技术交底,熟悉施工的流程及关

32、键环节。6、正确佩带安全帽。7、严格遵守安全用电的有关规程。8、严禁对运转中的机械设备进行维修、保养调整等作业。9、与当地气象部门加强联系,了解近期气象预报,掌握雨汛情况,做到心中有数,一旦遇有灾害性天气和水情,及时做出部署。10、现场照明:照明电线绝缘良好,导线不得随地拖拉或绑在脚手架上。照明灯具的金属外壳必须接零。室外照明灯具距地面不低于3m,室内距地面不低于2.4m。11、用电管理:安装、维修或拆除临时用电工程,必须由电工完成,电工必须持证上岗,实行定期检查制度,并做好检查记录。12、施工现场用电,严格执行有关规定,加强电源管理,防止发生电器火灾。13、交叉施工的工程项目,在施工前了解交

33、叉施工工作内容、施工时间,安全注意事项等,必要时派专人进行协调、防护,确保安全。9、环境保护及文明施工1、进入施工现场的施工人员要穿戴整齐;施工人员须佩带上岗证上岗操作。2、做好施工场地内的临时排水、废弃杂物及时清除出场,不准乱丢乱放,注意施工场地的整洁。3、施工时加强对环境的保护,避免水泥散灰或水泥浆大面积污染场地,防止污染附近农田及河流。4、施工车辆、施工机械必须按规定的线路行走各类机械车辆必须选择合适地方集中停放,不得乱停、乱放。5、建立“创建文明工地领导小组”,健全分级负责的管理网络。按各自施工范围划分创建文明工地责任区,经理部定期按文明工地标准进行检查评比,奖优罚劣。6、组织各级干部

34、、职工学习工程建设文明施工的有关文件,开展文明施工的教育活动,提高干部、职工的责任意识。new measures to promote work, the courage to take responsibility, dare to break hard to ensure district, Government decisions and arrangements to implement. (B) strengthening supervision, severely punish acts of violation. One is to open the channels of su

35、pervision. Vigorously promote the party affairs public, open, widely accepted supervision by the masses, pay attention to social groups and public opinion supervision, the powerful force formed to urge party members and leading cadres properly exercise their powers. Second, strong supervision and in

36、spection. Democratic life into full play, important briefings, reports related to personal matters and evaluation of cadres study of inner-party supervisory system, a comprehensive grasp of guidelines for the implementation of the independent Commission against corruption-related cases of leading ca

37、dres of party members, focus on strengthening key areas of project selection, funding, officials monitor, detect and rectify the problem, promote honesty in politics. Third, strengthen disciplinary investigation. Seriously the implementation of JI .Recently, the County leading bodies at the county l

38、evel to carry out three trees practice, which is to improve the governing ability and promoting the development of XX effective measure. I carefully follow your deployment requirements, and actively participate in the three trees campaign. Read Group, prepared by the Department in the near future of

39、 the ideological and political construction of leading cadres in the city reader, read the relevant information, larger harvest, inspired. I think the ability of repelling is to strengthen the partys governing capacity in questions of the construction of meaning, an important topic remains in front

40、of party members and cadres at all levels, we need to further explore and ponder. The ability of repelling the name suggests, is asking party members and cadres at all levels in particular, leading cadres at all levels, not only ourselves, establish a correct concept of the independent Commission ag

41、ainst corruption, political integrity, self-discipline, rejection of corruption, made for the people, pragmatic, honest leadership, and strengthen the sense of responsibility, earnestly implement the responsibility of uncorrupted, implementation of the baolian anti-corruption measures to ensure the

42、realization of business-building, construction of a win-win situation. Next, I combined with their thinking, experience and contact XX practical, on how to enhance the ability of repelling, on four aspects of cognition. Irregularities, please comment. First, the construction of the propulsion system

43、, and enhance the system of corruption since the founding of our party, have been thinking about tackling corruption. Currently, democratic legal system, management system and supervision mechanism is not perfect, administrative acts are not very standardized, Enterprise behavior and market behavior, corruption presents a diverse, pluralistic, complex trends, this shift the struggle between the two, will accompany - 15 - 澜阿公路1合同段项目经理部

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