k基槽开挖技术交底.doc

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1、en marxa, inspecci ha de fer i requereix lacceptaci del mecanisme segons la norma, desprs de lacceptaci de projecte noms pot ser s normal. (3) abans del seu s per a la seguretat dels aparells que usar per fer la divulgaci tcnica necessria i treballar 5 arrange the class (Group) of work, strengthenin

2、g cross-job security. The class (Group) of personnel responsible for safety and health. 5 stop of three-violation has the right to refuse illegal orders. 5 Security Summary of assessors: 1-12-6 comment by Labour Council safety responsibility target content standards of the Gross project 60 minute co

3、nscientiously implement the labor law and company management systems, assist the project manager to better off. 15 to prepare the employment roster to ensure that documents is complete, check the employment situation, identify problems and correct reports to the project manager. 15 assistance projec

4、t manager solve the workers personal protective equipment, protective equipment, and check the usage. 15 assistance in dealing with special types of personnel training, examination and forensic work, ensuring that certified. 151 items 40 to assist project managers and foremen admission of workers ed

5、ucation, stressed the importance of labor safety protection and compliance, discipline. 20 assist with site of special types of personnel training, examination and forensic work, ensuring that certified. 20 safety summary assessment people: appraisal reviews safety leading group leader: sign up for

6、evaluation officers: Note: evaluating and scoring methods according to the scoring method for JGJ59-99 implementation of construction safety inspection standards. Implementation of the responsibility system for production safety assessment form (reference tables) 1-12-7 comment by production team le

7、ader Council time safety responsibility assessment standard Gross project 60 minute organization of the class (Group) for safe operation activities. 15 per day using 15-20 minutes before work to organize the class (Group) to conduct pre-shift safety activities, and make a record. 15 conscientious wo

8、rkers proper safety education and safety technology gives the low-down. 15 organizations of the class (Group) to conduct work safety inspections, to eliminate hidden perils. 40 151 projects implementing the safety management system, the technical specifications for various types of security. 10 chec

9、k the class (Group) of personnel the use of PPE, and punish illegal behavior. 10 implementing security technical disclosure system, and complete the signing procedures. 5 participation in security and safety meetings, report the class (Group) production. 5 arrange the class (Group) of work, strength

10、ening cross-job security. The class (Group) of personnel responsible for safety and health. 5 stop of three-violation has the right to refuse illegal orders. 5 Security Summary assessment people: appraisal reviews safety leading group leader: sign up forcontent from several generations of leaders of

11、 the party constitution and party, especially the important exposition of General Secretary Xi Jinping, and reference to some embody the Chinese nations outstanding traditional culture essence of epigrams. have what innovation and features? Revised adhere to in accordance with rules governing the pa

12、rty and party 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 self-discipline, put forward principles, requirements and specifications, showing Communists noble moral pursuit, Five is higher than it i

13、s proposed that the focus on the expanded to moved to the provisions of the present at all times and in all over the world ethics from high from low common requirements. One is closely linked to the honest self-discipline, removal and no direct relationship. Second is to insist on a positive advocat

14、e, eight prohibition 52 allowed the negative list content synchronization amendment disciplinary punishment regulations. For all the party members, the applicable objects from the Party member cadre of leaders of all Party members to fully reflect the overall strictly. Four is to highlight the vital

15、 few , seize the leadership of the party members and cadres of ordinary Party members. Delete complicated on Jane, and strive to achieve concise, easy to understand, easy to remember. The revised is ruling party since the first adhere to a positive advocate, for all members of the self-discipline no

16、rms, moral declaration issued to all members of the party and the National Peoples solemn commitment. How to understand the show the Communists noble moral pursuit comprehensive strictly necessary according to the rules governing the party and party with morals in combination, the de is mainly the p

17、urpose of ideal and faith in the party. The traditional culture of the Chinese nation has always stressed the importance of dependent Germany and France, de treatment ritual order. Partys eighteen years, the Central Committee of the Communist Party of China outstanding emphasize the construction of

18、honest politics, so that cadres honest, clean government, political pure brightness, and the party members and cadres honest self-discipline raised the a series of positive requirements. At the same time, from the perspective of the nature of the party, the Communist Party of China is the vanguard o

19、f the Chinese working class, is the vanguard of the Chinese people and the Chinese nation, the party as a An advanced political organization, to establish the image of clean and honest, not rot, not rot, do not want to rot in the effective mechanism must strengthen the positive lead, of its members

20、from the front clear clean fingered self-discipline code of conduct. openingManipulator is now used as a industrial robots in use, the control objectives often appear often in industrial automation. Industrial automation technology has gradually matured, as mature a technology line has been rapid de

21、velopment in industrial automation as a separate subject. Manipulator application began to filter into welding, logistics, mechanical processing, and other industries. Especially at high or very low temperatures, full of poisonous gases, high radiation case, robot in similar circumstances showed gre

22、at use also brings great convenience to the staff. Precisely because of this robot to get peoples attention began to be a high degree of development. Labor rates, working conditions, labor intensive aspects of promoting development. Both at home and abroad to develop the PLC (programmable logic cont

23、roller) is in various special circumstances and under special conditions set for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC hardware software and simulation control win big and suc

24、cessful development, now continues to develop as a factory automation standards. Because robots are good development of the technology makes a good optimization of productive capital, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, an

25、d programming that can be mastered in a short time, so in the context of industrial PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmland, repeated operations on the high-s

26、peed line that uses a robotic arm, and so on. Today, the high level of automation combined with restrictions on the manipulator development level is slightly lower than the international. The design is mainly arm welding machine by PLC Automation control. This of design let designers on in school by

27、 learn of has a must of consolidation, understand has some usually didnt opportunities awareness in world range within some leading level of knowledge has has must awareness, hope designers can in yihou of design in the can success of using in this design in the proceeds of experience 1.2 manipulato

28、r in both at home and abroad of research profile automation mechanical arm research began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of industrial automation and shine, gradually became an industrial e

29、valuation standards, and its importance can be seen. Now original robotic arm spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipulator position control systems main features, although not back several generations that can d

30、etect the external environment, but can still successfully complete like welding, painting, delivery as well as for materials simple movements. Second generation mechanical arms are equipped with sensors and manipulators have the environment there is a certain amount of sense, when the mechanical ar

31、m is to use the program as a basis. Difference is that the robot begand土方开挖施工方案编制人:审核人:审批人:泰华建筑工程有限公司目 录1编制依据12工程概况23施工部署24施工准备35土方工程施工46质量保证措施57环境保证措施58安全文明措施59管理人员安排6一、编制依据1、建筑地基基础工程施工质量验收规范GB502022002 2、建筑基坑支护技术规程JGJ120-99 3、衡水丽景华苑住宅小区岩土工程勘察报告(HF2011-139)4、丽景华苑1#13#、14#、15#楼及地下车库施工图纸二、工程概况2.1现场概况

32、拟建“丽景华苑地下车库”工程位于衡水市中华北大街和永安路交叉口。地下车库为框架结构,筏板混凝土基础。2.2 工程地质根据岩土工程勘察报告,场区地层主要为粉质土、粘土2.3水文条件浅层地下水埋藏浅,地下水类型为孔隙潜水微承压水,其主要补给来源为大气降水和工业、民用弃水入渗回归。由于区内地形平坦,坡降小,侧向径流微弱。地下水位主要受大气降水因素影响,地下水位埋深约4.105.20米年,高于基地埋深6.5米。高水位多出现在汛期的89月份或稍滞后些时间,低水位多出现在56月份。年水位变幅约23米。丽景华苑工程共计14栋住宅楼,我施工单位派驻四个项目部进行施工。3施工部署3.1 施工总体部署根据工程特点

33、,本工程为地下工程,采用大开挖施工,基础在潜水层以下,因此需进行降水施工,降水方式为管井降水,具体布置详见丽景华苑项目部井点布置图。3.1施工总体流程施工准备(人员、材料、机具等,临水、临电及临设等)测量、放线、定位基坑土方挖运(分步进行)清槽底施工后续工程施工。3.1.1基本原则:将开挖现场分成四个区域从里往外,分两层进行开挖。开挖深度从自然地坪(绝对标高+20.000米)计算总计5.6米,挖土方量总计21.4万立方米,回填9.67万立方米。首先用220型挖掘机将现场的建筑垃圾及红砂(深度1米)进行清除,再进行第二层开挖。待地下水位降至基坑底50cm以下后进行第二层开挖深度3.82米(绝对标

34、高14.880米),最后用55型挖掘机进行桩间土的开挖,开挖深度0.5米,预留0.3米厚的浮土进行人工开挖与清理。3.1.2施工单位土方开挖进行分段,按照分区顺序进行开挖。详见附图:(根据现场主楼打桩顺序及土方运输方向进行土方开挖;土方运输第二、十四项目部由南向北进行运输,第八项目部由北向南运输,第十八项目部由东向西运输。4施工准备4.1技术工作准备4.1.1 组织施工管理人员认真学习施工图纸和设计方案,掌握施工特点。4.1.2 认真学习监理规程,积极配合监理单位工作,保证各项工作顺利进行。4.1.3 基础开挖灰线内所有地上原有建筑物拆除清理完毕。4.1.4 施工方案得以确认,并对所有参加施工

35、的人员进行工程情况交底,施工方法交底,安全技术交底及安全教育。4.2 劳务人员计划及管理 如表1表1 土方劳务人员计划表序号施工工种人数(人)职 责备 注1施工班组长4负责土方挖运指挥、协调专业人员2挖土机操作手8负责土方开挖、装车及地下障碍物破碎持证上岗3运土车司机16负责土方外运持证上岗4技术人员清槽人员840负责标高控制及主控线控制清理槽低熟练工人劳务人员管理安排综合素质好的施工队伍,本工程选用的施工人员均具有丰富的施工经验和较强的业务能力,并具有令行禁止、信守承诺、敢打硬仗、突击能力强的优良品质。本工程从管理层到施工层,全部实行标准化管理,以确保各项施工目标的顺利实现。根据本工程施工质

36、量要求高、工期紧的特点,选用参加过同类工程施工的劳务队伍,其中主要技术工种及特殊工种坚持先培训考核后持证上岗。根据施工进度计划要求和工期安排,随时增加劳务人员,在人力资源上给与充分保证。合理安排施工人员生活,按队组编制,组织上岗培训,主要有:操作技术、安全施工、规章制度和精神文明四个方面,进行施工动员。4.3 施工机具管理严格落实现场机械管理制度,落实机械管理人员岗位责任制。所有机械必须由专职操作手操作和维修,机械操作手必须持证上岗,按规程操作和交接班,严禁非操作人员动用机械。进场机械定期检查、保养和维修并做好记录,杜绝机械带故障施工。保证机械防护设备齐全完好,用电设备漏电保护装置良好有效。运

37、输车辆出场前严格清扫、冲刷,不移撒污染路面,司机文明驾驶,安全行车。4.4.管理人员安排为确保丽景华苑土方开挖工作的顺利进行,并保质保量的按期完成。工程部将做出以下人员安排,全体管理人员将遵守劳动纪律,尽心尽责做好本职工作:项目经理、生产经理、技术负责人、施工员、安全员、测量员、质检员、材料员、资料员、预算员。 第二项目部管理人员名单序号姓名职务备注1周明宝项目经理2赵世辉生产经理3刘鑫技术负责人4季永志施工员5倪国锋安全员6马洪林测量员7胡晓楠质检员8周龙起材料员9胡晓楠资料员10刘鑫预算员 第八项目部管理人员名单序号姓名职务备注1王东晓项目经理2陈庭贞生产经理3王健技术负责人4梁金仓施工员

38、5刘森远安全员6李洋测量员7侯宏磊质检员第十四项目部管理人员名单序号姓名职务备注1于怀强项目经理2张志峰生产经理3程少泉技术负责人4赵重九施工员5刘继安全员6王泽召测量员7申阳质检员第十八项目部管理人员名单序号姓名职务备注1张福盛项目经理2方孟刚生产经理3贾计召技术负责人4耿二程施工员5李杨安全员6王世军测量员7王世忠质检员5.各项目部具体土方施工安排第二项目部承建2#、3#、7#、8#住宅楼5.1土方开挖5.1.1基本原则:从里往外,首先开挖1区地下车库、8#楼与7#楼,完成后对2区先进行主楼的土方开挖,试桩后进行剩余车库土方开挖,最后3区土方进行开挖,完成后进行试桩。5.1.2我项目部土方

39、开挖分段,按照分区顺序进行开挖。根据现场主楼打桩顺序及土方运输方向进行土方开挖;土方运输为由南向北由北门口进行运输。1)在土方正式开挖后,塔吊安装、试桩进度:8#塔吊安装为土方开挖后12天塔吊基础浇筑完毕,试桩为7天。7#楼试桩时间为9天。2#楼塔吊在土方开挖完后5天塔吊基础浇筑完毕,试桩为7天。2#楼塔吊在土方开挖完后5天塔吊基础浇筑完毕,试桩为7天。以上试桩开始时间以甲方提供桩具体龄期进行确定2)各分区土方量: 一区:18600m;二区:22000;三区:15000m;5.1.3车库开挖采用两台220挖掘机开挖,并配置开挖速度等量的自卸车;主楼开挖上层配置一台220挖掘机与底层桩间配置两台

40、60挖掘机,配合施工。5.1.4挖掘机日开挖量为1700 m/天;一区土方开挖需要11-13天;二区土方开挖需要13-15天,三区土方开挖需要9-11天, 5.2降水5.2.1采用管井降水方法,布置20眼井进行降水,并每天进行水位观测。水位低于基槽底部50cm后方可进行土方开挖。5.2.2护坡保护:临时边坡,采用阶梯放坡。5.2.4工程长期边坡,采用阶梯放坡,并采用挂网喷浆,进行加固处理。我项目部地下车库分区东侧为止水幕,先下挖一米厚,采取1:0.5放坡分层开挖,土方开挖前,先做好前期准备工作,将施工场地清理平整,铺好临时道路,建筑物位置的轴线、水平控制桩必须经过测量员核实无误后方能开挖。开挖

41、前应根据建设提供控制点进行测量放线。基坑预留30cm的余土作为人工清理,以防地基土受到扰动。余土清理随机械开挖进行,在清理的过程中钎探、验槽随后进行,为垫层施工提供条件,并根据天气预报,避开雨天晾槽、垫层及时封闭,5.2 土方运输根据甲方提供的施工道路,施工土方运输方便。5.3土方清槽(1)在土方开挖至设计标高以上300mm高后,将由人工进行基底清槽。(2)测量员要多点控制标高,以保证垫层混凝土的厚度清除余土的过程中要避免造成对天然土体的扰动,严禁大型机械设备在天然地基上操作运行。(3)在垫层施工前要进行承载试验,并请地勘院、设计院、监理验收。第八项目部承建11#、12#、13#、15#住宅楼

42、1、施工区范围:单位工程楼四栋(11#、12#、13#、15#),车库分四个施工段(1、2、3、4段)见图。施工顺序方案:根据现场施工条件,为了缩短工期。采用两台挖掘机同时开挖分段分区施工。11#、13#楼为一段施工的同时开挖完毕后。车库15#楼为二段同时依次开挖完毕;12#与车库2区、3区 为三段;待11#、12#、13#、15#楼塔吊安装完成,试桩完毕后,开挖车库1区,运土道路口设在15#楼西侧车库位置。土方开挖:挖掘机施工见计划开挖顺序图,分区、分段施工;槽底标高-7 m,基槽深度约5.3m,采取分二步开挖,挖至桩顶处采用小型挖掘机配合作业,人工随后及时清理,防止超挖,基底土受扰动。挖土

43、过程中对基槽的上下口边线用经纬仪、标杆及时控制。下口留出工作面不小于1m,同时边坡达到要求。边坡控制在1:0.65。 槽底标高控制:挖土清槽接近槽底时用水准仪测设3m*3m标高控制网,并撇上白灰点,以示标记,安排人员边清边测。基槽底周边设排水盲沟和集水井,以备基槽出水或下雨集水做辅助排水;基槽上口周边1.5m处设挡水。第十四项目部承建1#、4#、5#、6#住宅楼1、基本原则:从里往外,首先开挖1区地下车库、6#楼与5#楼,留4#与6#车库部分为试桩区和塔吊安装区,完成后对2区进行土方开挖,最后3去土方进行开挖。2、我项目部土方开挖分段,按照分区顺序进行开挖。如下图:(根据现场主楼打桩顺序及土方

44、运输方向进行土方开挖;土方运输为由东向西进行运输。3.开挖土方必须保证5#、6#试桩、塔吊安装能正常进行的基础下对1区2区3区土方最大限度的开挖以保证施工进度。1)在土方正式开挖后,塔吊安装、试桩进度:6#塔吊安装为土方开挖后12天塔吊基础浇筑完毕,试桩为7天。5#楼试桩时间为土方9天。1#楼塔吊在土方开挖完后5天塔吊基础浇筑完毕,试桩为7天。4#楼塔吊在土方开挖完后5天塔吊基础浇筑完毕,试桩为7天。2)各分区土方量: 一区:19500m;二区:18500 m;三区:13500 m;4.车库开挖采用两台220挖掘机开挖,并配置开挖速度等量的翻斗车;主楼开挖上层配置一台220挖掘机与底层桩间配置

45、两台60挖掘机,配合施工。5.挖掘机日开挖量为2000 m/天;一区土方开挖需要10-12天;二区土方开挖需要8-11天,三区土方开挖需要6-8天,五区土方开挖需要10-13天。根据打桩进度,各分区土方开挖可进行交叉开挖。第十八项目部承建9#、10#、14#住宅楼1、基本原则:开挖顺序先从拟建建筑14#楼最南侧的东南角、10#楼西北角由东向西开挖;再由14#楼最南侧西南角向北开挖,最后自9#楼西北角退出。9#楼、10#楼以北车库待验完桩后再开挖。挖掘机配备4辆自卸汽车。需45天挖完。开挖以主楼先开,主楼完成后进行试桩,同时进行塔吊基础施工以此类推。挖深约5.7米,开挖方量56598m。6质量保

46、证措施6.1严格施工组织设计与技术方案的审批工作工程开工前项目经理部编制施工组织设计经公司审批后报监理同意实施。对重点分项工程,编制详细的施工方案,实施中优化总结,保证施组及方案对工程的指导作用。6.2严格技术交底制度施工过程中,包括技术交底、施工组织设计交底、各分项工程技术交底,做到先交底后施工,保证工程质量。工程现场根据工程质量的运行状态,及时总结质量工作,制定奖罚制度,明确责任人的行为标准,调动现场管理人员落实各项制度的积极性。6.3严格执行自检、专检、交接检制度在过程施工中严格执行自检、专检、交接检制度。分项工程完成后,由质量负责人组织验收,加强对测量、验线、护坡、土方开挖的验收工作。6.4严格控制施工材料进场材料、物资严格按照公司体系文件要求进行控制。材料经验收合格后进场,进场材料要分类码放,并做好标识,以便追溯。6.5特殊人员上岗培训特殊工种人员持证上岗。项目经理

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