《边坡防护坡施工技术交底(完整版、交底).doc》由会员分享，可在线阅读，更多相关《边坡防护坡施工技术交底(完整版、交底).doc（61页珍藏版）》请在三一文库上搜索。
1、 施 工 技 术 交 底项目工程名称福寿高速建设单位兰新铁路甘青有限公司施工单位中铁二十二局福寿高速A2标项目经理部单位工程名称K13+XXX.XXK14+XXX.XX段路基工程交 底 部 位路基附属交底日期年 月 日附：路基附属及边坡防护技术交底交 底 单 位中铁二十二局福寿福寿高速A2标项目经理部第1工区编 制复 核技术负责人接受人路基边坡平台及平台排水沟施工技术交底一、编制依据1、施工点设计图2、4、 四、施工准备1、技术要求及准备（1）测量放线：施工时必须在每条骨架起讫点挂线放样，根据设计尺寸定出起止骨架位置，起拱位置。（2）场地平整，清理边坡平台：在施工前，人工对路基边坡进行清理，平
2、台面要平整，尺寸正确，平台不得有树桩、树根、有机质或废物等。（3）平台排水沟尺（4）施工时应至下而上逐条砌筑骨架，间距不足时调整拱间间距，在下部增加一道拱。（5）施工前，应对站后接口、电缆井等路肩预留设施及边坡预埋排水管等预埋位置进行确认并预留。（6）砌筑基础应按设计要求挂线放样，基础顶面应平顺。（7）混凝土预制块需与浆砌片石同时施工，并保证其栽砌牢固，埋入土中深度10cm。 1.2 、六棱空心砖护坡（1）测量放线：根据路肩标高每20m放基床底层顶面边桩，然后按照1:1.5的坡度，放出对应位置的坡脚控制桩，根据控制桩控制标高挂线。（2）根据控制桩清除坡面浮土（大粒径卵石），保证坡面平整密实。（
3、3）施工前，应对站后接口、电缆井等路肩预留设施及边坡预埋排水管等预埋位置进行确认并预留。（4）砌筑基础应按设计要求挂线放样，基础顶面应平顺。2、材料准备2.1、浆砌防护的材料主要是砂、片石、水泥。材料进场前需对各种原材料的品质进行试验，合格后方可进场，在材料进场后还要对砼的原材料进行抽检，其各项指标均要符合设计要求。试验室提供施工砂浆的配合比。浆砌片石采用M10砂浆，现场作业时禁止另行添加外加剂。 2.2、片石质量要求：片石强度需达到MU30，石料应选用色泽均匀、结构密实、不易风化、无裂缝的硬质石料。镶面片石表面要修整平整光滑，石料不得带有泥土、油渍或其他物质。片石要求大小均匀、厚度2030c
4、m、尺寸3040cm，边缘厚度不小于15cm，宽度和长度不得小于厚度的1.5倍。用作镶面的片石，要选择表面平整、至少有5个边、尺寸较大者。对片石不平齐的边要进行人工修整，敲掉尖锐或破碎的棱角，冲洗片石表面土垢。2.3、各预制件满足施工现场需求。2.4、各种原材料的检验及所需配合比的选定。五、施工程序及工艺流程1、拱形骨架护坡施工流程图及施工程序1.1、拱形骨架护坡施工工艺流程图：拌制砂浆选修片石挂控制线搭作业跳板铺浆砌石设置泄水管材料合格勾缝养护整理坡面、基脚砌筑检验合格场地清理结束测量放样片石、砂料、水泥置备开始 合格 不合格 否 是1.2、拱形骨架护坡施工程序：（1）拱形骨架由主骨架和支骨
5、架组成，主骨架与边坡水平线垂直，间距为3.0m；支骨架呈半圆形，垂直线路方向的间距为3.0m。边坡设置带截水槽的拱形骨架护坡防护，护坡底部设护脚防护，路堑地段堑顶设置镶边，骨架、护脚和镶边均采用M10浆砌片石砌筑。坡脚设置C15片石混凝土脚墙基础。截水槽采用C25混凝土预制块砌筑。沿线路方向每隔15.02m设置一道伸缩缝，缝宽0.02m，缝内用沥青麻筋全断面填塞。每隔101.54m砌筑一道宽0.6m厚0.2m的阶梯形踏步，踏步设在主骨架处，其中剩余的11.42m设置一道0.02m的伸缩缝。（2）根据现场放线位置，开始骨架基槽开挖并夯实。（3）浆砌片石施工，开挖后的基槽应做好排水处理。砌筑时先在
6、基槽底部铺一层砂浆再摆放片石，片石要摆放紧密，空隙处用小石屑及砂浆填满，砂浆应饱满、密实。每一层片石均需座浆。基础的顶面用砂浆抹平后，进行片石砌筑。两骨架衔接处应在同一高度。骨架应与坡面密贴，骨架大面应与边坡表面平行。（4）浆砌片石采用挤浆法施工。施工时挂线作业，保证大面平顺，沟底平顺，坡度合理。砌筑时砂浆要饱满，强度要满足设计要求。上下层片石砌缝互相错开，距离不小于8cm，杜绝通缝瞎缝等质量问题。预留沉降缝的两侧砌体，缝内平面要平整、外露棱角要顺直，确保沉降缝起到应有的作用。骨架与下部平台基础连接处应整体砌筑，砂浆饱满不留缝隙。（5）安装预制混凝土挡水块，需与浆砌片石同时施工，埋入深度不小于
7、10cm。（6）勾缝：采用凹缝。严格按照缝深、缝宽1.5cm要求施做，随砌随勾，在砂浆初凝前完成勾缝。采用相应的勾缝砂浆配合比，勾缝前用水冲洗干净，勾后再用同级别的的水泥砂浆抹平划槽勾缝，缝两侧同级别砂浆抹带宽1cm，厚0.5cm，并保证均匀一致，沉降缝用沥青麻筋填满密实后按同样的要求勾凹缝。泄水管口与墙面齐平，管与砌石之间用砂浆填塞密实。勾缝需注意：勾缝自然，杜绝勾假缝，勾缝以后需用钢刷配合干净水将浆砌片石表面清洗干净整洁。（7）养生：在初凝后，及时洒水养生不少于14天，养生期间避免碰撞、振动和承重。（8）植灌木或穴植容器苗。2、六棱块护坡施工流程图及施工程序2.1、六棱块护坡施工工艺流程图
8、：测量放样坡面处理排水槽砌筑路肩挡水板砌筑铺设六棱块养护现场清理2.2、六棱块护坡施工程序：（1）路基坡面铺设8cm厚的C25混凝土空心砖防护，底部设置M10浆砌片石护脚，坡脚设置C15片石混凝土脚墙，空心砖护坡顶部和路肩底部之间设置C25混凝土预制块的挡水板。沿线路方向每隔15m设置一处排水槽，采用C25混凝土预制槽铺砌，排水槽铺砌长度每节0. 4m，排水槽埋入边坡深度0.1m，排水槽应把水引入路基两侧的排水沟内。集水井横向排水管出口处需设一处排水槽。（2）排水槽砌筑排水槽宽度0.6m，每节长度0.4m，砌筑时从底部往上砌筑，根据坡面长度计算出所需排水槽的数量，必要时砌筑半块排水槽，保证排水
9、槽深入路肩挡水板且顶面跟挡水板异形块平齐，排水槽砌筑应埋入边坡深度0.1m（六棱块顶面0.2m）深度。砌筑采用挤浆法，缝宽1.5cm深1cm的凹槽，保证灰缝饱满。（3）路肩挡水板的砌筑挡水板在基床底层顶面边桩位置，每节宽度为0.5m，砌筑于两排水槽之间，采用挤浆法砌筑，两板之间留有宽1.5cm，深1cm的凹槽，施工时要保证灰缝饱满。（4）铺设六棱块采用C25混凝土预制8cm厚的空心六棱块砌筑，砌筑时应自下而上铺设，铺设时排列应整齐、平顺、紧密、美观、并且与破面及相邻砌体衔接密贴、稳固、整体协调一致；在铺设过程中应拿橡皮锤击打，不得使用铁锤等重物；应做好排水槽与路肩挡水板的衔接处的防水工作。（5
10、）养护养护使用土工布进行覆盖养护，每隔2小时进行洒水养护，且要有专人养护。（6）有植物防护地段，边坡铺设完毕后，砖的空心部分种植灌木。六、DKXXX+XXXDKXXX+XXX.XXX 段高边坡防护DKXXX+XXXDKXXX+XXX.XXX，长1506.30m，本段路基形式为路堤和路堑，路堤最大边坡高度7.66m；路堑最大边坡高度22.89m，其路堤边坡率1：1.5，两侧路肩设C25混凝土路肩。路堑边坡率1:1.0，路堑每8m设边坡平台，平台设0.4m0.4m截水沟，采用C25混凝土现浇。其中一级平台宽度为6m，二级平台宽度为4m，截水沟采用M10浆砌片石填筑。路堑两侧设侧沟及2.0侧沟平台，
11、侧沟尺寸0.6m0.8m，侧沟采用C25钢筋混凝土现浇，厚0.2m，设盖板。七、质量控制及检验1、质量控制（原材料及需要达到的设计要求）（1）严禁在砂浆内任意加水，严格控制水灰比。（2）细部构造处理是防排水的薄弱环节，施工前应审核图纸，特殊部位如截水块、拱骨架、主骨架与拱骨架交接处等细部要精心处理。（3）支撑渗沟下部有泄水孔的，应在浇筑混凝土前预埋固定。（4）砂浆品种及强度应符合设计要求。同品种、同强度等级砂浆各组试块抗压强度平均值应不小于设计强度值。（5）混凝土砌块在安装前应达到设计强度。（6）混凝土砌块的表面应平顺。（7）砌筑完成后的结构物尺寸应不小于设计值。2、质量检验（1）施工用砂浆的
12、强度等级应符合设计要求：施工所用的砂浆的配合比必须根据原材料性能、砂浆的技术条件和设计要求进行计算，并通过试配实验调整后确定。砂浆配合比、试件制作、养护及抗压强度取值应符合一下标准：砂浆强度标准差选用值 砂浆强度等 值（MPa）施工水平M10.0M15.0M20.0优良2.003.004.00一般2.503.755.00较差3.004.506.00砂浆用水量砂规格砂浆用水量（kg/m）下沉度（mm）粗砂中砂细砂10-20200-210210-230220-240砂浆最大的水灰比砂浆所处的环境条件所在地区最冷月份平均气温低于-15C-15C-5C高于-5C受水流冲刷、冰冻作用的砂浆0.550.6
13、00.65最低冲刷线以下的地下部分，不受水流作用的地上部分及不致遭受冰冻作用的砂浆0.600.650.70检查数量：对同类型、同强度等级的砂浆至少进行一次砂浆配合比设计，并由监理单位全部检查。检查方法：进行配合比选定试验，监理单位检查配合比选定报告。（2）施工时所用砂浆的类别和强度等级必须符合设计要求。用于检查砂浆强度的试件应在搅拌机出料口随机抽样制作。检验数量：同类型同强度等级每100m砌体为一批，不足100 m也按一批计。施工时和监理单位每批检一次。检验方法：施工时进行砂浆强度试验；监理单位检查强度试验报告。（3）骨架防护的要求如下表：序号项目允许偏差浆砌片石干砌片石带截水沟的浆砌片石砼预
14、制块1平面位置50mm50mm50mm50mm2基底高程50mm50mm50mm50mm3坡顶高程20mm，020mm，020mm，020mm，04坡度0.5%0.5%0.5%5护肩，镶边及基础厚度、宽度不小于设计值不小于设计值不小于设计值不小于设计值6砌石厚度不小于设计值不小于设计值7垫层厚度不小于设计值不小于设计值不小于设计值8坡面平整度30mm30mm30mm30mm9骨架净距50mm10宽度及边嵌置深度不小于设计值11踏步宽度、厚度不小于设计值11砼板边长6mm,-3mm12对角线长6mm,-3mm13厚度4mm,-2mm（4）六棱空心砖的质量标准 六棱块表面平整度控制在15mm以内、
15、坡率控制在0.5以内、整体线形美观、协调一致，六棱块各方向缝直顺。路肩挡水板、排水槽砌筑线形顺直、接缝严密、结实牢靠，采用挤浆法砌筑。砌筑时注意砂浆的二次补水拌合，不允许出现隔夜砂浆，砂浆要求下垫上盖。严格按照养护要求进行养护，保证砌体湿润。（5）六棱空心砖的成品保护措施在砌筑完成后，应及时对现场废土、废料、工具及时清理，对六棱块中的废土进行人工清理，使其表面美观平整，禁止在砌筑完成后的坡面上机械碾压和人工毁坏，注意现场文明施工及环境保护。八、注意事项1、砌筑后的护坡整体应平顺，片石无松动，突兀现象，整体与路基保持一致。2、护坡砌筑后应及时养生。九、安全及环保要求1、砌筑时，应经常检查坡面的稳
16、定施工现场片石堆放要整齐，不能堆码在边坡上；每天开工、收工前应对坡面、坡顶进行检查， 发现有裂缝和坍方的迹象或危土时，应立即处理。2、在高于2米的坡面上作业时，必须栓安全绳。安全绳严禁低挂高用，应低用高挂。严禁在同一安全桩上栓几根安全绳和在一根安全绳上栓几个人。在高陡坡、泥泞地段作业时，应注意防滑。3、严禁有间发性癫痫病、高血压、心脏病人员在高边坡作业。4、严禁人员在坡脚下休息和堆放工具。5、夜间作业时，应有足够的照明设备，工作视线不清时不得作业。6、在危险地段作业时，必须设明显的安全警示牌，并有专人指挥。7、施工现场物品的堆放应整齐，废弃物品应集中处理，保护环境，做到文明施工。后附边坡防护形
17、式一览表、拱形骨架护坡示意图、六棱块护坡示意图与生态袋防护示意图： 61（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 the par
18、ty, 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 require
19、ments, 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 revision pro
20、cess; 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 implementation of
21、 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 party regu
22、lations 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 the par
23、tys 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 Jinpin
24、g 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 an impo
25、rtant 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 positive
26、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 prominent,
27、 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 situation, whic
28、h 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 specif
29、ic, 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 is likel
30、y 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 revision p
31、rocess 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 instru
32、ctions. 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 special meet
33、ing 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 ministri
34、es 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 Central Com
35、mittee 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 regula
36、tions 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 Committee
37、 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 principles of
38、 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, serious di
39、scipline, 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 the party
40、 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 of the
41、 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 for the
42、 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. 4 seco
43、nd 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, for all m
44、embers, 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. Is this one high an