Excavation plan for office building.docx

1、Excavation plan for office building雅培婴幼儿配方奶粉及营养品项目Gateway and Nutrition of Abbott project土方开挖施工方案The earthwork excavation construction schemePrepare by: 华明伟 signature:Audit by: 王国兴 signature:Approve by: 曹立竣 signature:目录Catalog目录Catalog 2第一章 工程概况The first chapter generals 3一、项目概况project generals 3二、工

2、程概况engineering generals 3三、地质情况geological generals 4 第二章 编制依据compilation basis 5第三章 开挖前准备工作 preparation for excavation 7一、现场施工条件 construction condition of site 7二、编制好土方开挖施工方案 compilation scheme of excavation earth 7三、选择土方开挖队伍及设备choice construction team and equipment 7四、做好基坑表面硬化及排水措施 make the surface

3、 of foundation harden and drainages measure 7五、技术措施 technical measure 9第四章土方开挖施工工艺 construction process 10一、开挖方式选择choice excavation method 10二、放坡系数的确定ensure the coefficient of slope 10三、开挖顺序confirm the sequence of excavation 11四、开挖施工技术与措施construction technology and measure 12五、排水措施drainage measure 1

4、4六、开挖对桩基的保护措施protection measure for pile 15七、基坑开挖应急措施Emergency measures for foundation 16第五章 施工机械设备及人员配备Construction machine and equipment and personnel 17第六章 施工进度安排 construction schedule 19第七章 安全、文明施工 safety and civilization construction 19第八章 质量保证措施 Quality assurance measure 24第九章 保洁措施及其它 cleaning

5、 measure and others 27第一章 工程概况 The first chapter Generals一、项目概况 Project Generals拟建的婴幼儿配方奶粉及食品营养项目位于浙江嘉兴经济技术开发区马家浜路以西，320国道绿化带以南，圣堂路以北地块。由雅培（嘉兴）营养品有限公司投资兴建，浙江中成建工集团有限公司承建，信息产业电子第十一设计研究院科技工程股份有限公司设计，上海同济工程咨询监理公司进行现场监督管理。The infant formula milk powder and food nutrition project is located in Zhejiang p

6、rovince Jiaxing city Economic and Technological Development Zone which located west of Majiabang Road, south green belt of the state Road 320, North plot of Shentang road. Invested by Abbott nutrition limited company (Jiaxing), constructed by Zhejiang zhongcheng Group Limited company, designed by th

7、e eleventh design and research institute of IT,co.,LTD, Shanghai Tongji Engineering Consultation and supervision company supervision and management on site二、工程概况 Engineering Generals 本工程建筑面积为5760.8，其0.00相当于绝对标高4.300。工程为框架三层，总建筑高度为14.10 。建筑结构的安全等级为二级，地基基础设计等级为民用建筑，耐火等级为二级。抗震设防烈度为6度。设计使用年限为50年。本工程自然地坪

8、高程为2.9m，桩顶标高为-1.900，承台标高为-0.800m,工程基坑围护采用放坡开挖。 The work construction area of 5760.8 , its 0.000 is equal to the absolute elevation 4.300m. It is frame structure with 4th floors, building total height of 14.10m. Building structure safety as grade two, foundation design level for civil building, fire

9、resistance rating as grade two. Seismic fortification intensity is 6 degrees. The design service life of 50 years.The engineering of natural floor height is 2.9m, elevation of pile top is - 1.900, pile cap height is -0.800m, the excavation method of foundation pit as slope excavation.三、地质情况 Geologic

10、al conditions（1）地基土的构成与特征根据勘探孔野外编录资料及静力触探曲线，结合土工试验成果，按岩土单元层成因时代、埋藏条件、岩性特征及物理力学性质的差异等、将勘探深度及浅土体划分为8个岩土土体单元层和分属不同单元层的亚层。自上而下分别为：1层素填土， 2浜填土， 1层粘土，层淤泥质粉质粘土， 1层粘土， 2层粉土夹粉质粘土， 1层粘土， 2层夹层粉土，层粘土，层粉土， 1层粘土， 2层粉土。(1) soil composition and characteristicsAccording to the exploration hole field catalog data and

11、 static sounding curve, combined with the soil test results, according to the rock and soil layer formation age, burial condition, lithology characteristics、physical and mechanical different properties etc 、exploration depth and shallow soil, will be divided into 8 rock and soil unit layer and belon

12、g to different unit layer sub ayer. From top to bottom were:1 plain soil, 2Creeks soil, 1clay layer, silty and clay layer, 1 clay layer, 2 powder soil and silty clay layer , 1 clay layer, 2 sandwich power soil layer , clay layer, powder soil 81 layer, 1 clay layer , 2 powder soil.（2）地下水、地表水嘉兴地区历年最高水

13、位为2.80m场地浅部土层中的地下水属于潜水类型，浅部粘性土层富水性差，其水位动态变化主要受控于大气降水和地面蒸发，地下水位明年变化幅度在1m左右。勘察期间，实测孔内的地下水初见水位埋深在1.8m2.7m之间，相应标高为-0.250.65m。静止水位埋深在0.251.3m之间，相应标高为1.18m2.2m。(2) The groundwater, surface waterThe highest level of 2.80m in Jiaxing regionThe shallow stratum of groundwater in the area belongs to the type o

14、f dive, shallow clay rich in water, the dynamic change of groundwater level is mainly controlled by rainfall and surface evaporation, variation the amplitude of groundwater level about 1m in next year. During the investigation, the actual measurement holes in the initial water level depth of groundw

15、ater during 1.8m 2.7m, corresponding elevation as -0.250.65m. Static water level in the depth of 0.25 1.3m, corresponding elevation as 1.18m 2.2m 第二章 编制依据 The second chapter compile basis本方案以婴幼儿配方奶粉及食品营养项目办公楼为主体的施工组织方案，施工组织方案重点突出基坑土方开挖控制要点。This construction scheme as the main body of office building

16、 for the infant formula milk powder and food nutrition project，construction organization plan focused on foundation excavation control points .1、本施工组织方案在工程分阶段施工过程中，应根据工程实际情况进行必要的修改，调整，补充，完善。1、The construction organization plan in the construction phase in the construction process, we should accordin

17、g to the actual situation to make the necessary changes, adjust, complement, complete.2、我方对本工程的总目标：确保基坑安全、确保工期、确保质量、让业主满意。2, the project total goal of us: to ensure the safety of foundation pit, ensure time limit for the project, ensure the quality, and let client satisfaction 3、编制依据 compile basis(1

18、)施工手册（第四版）Construction Manual ( Fourth Edition )(2)建筑基坑支护技术规程（JGJ120-99）；Technical specification for retaining and protection of building foundation excavation (JGJ120-99);(3)建筑地基与基础工程施工及验收规范（GB50202-2002）；Code for acceptance of construction quality of building foundation (GB50202-2002);(4)建筑边坡工程技术规

19、范(GB50330-2002)；Technical code for building slope engineering (GB50330-2002)(5)建筑施工安全检查标准(JGJ59-99)； Standard of construction safety inspection (JGJ59-99)(6)混凝土结构设计规范(GB50010-2002)； Code for design of concrete structures (GB50010-2002)(7) 建筑地基处理技术规范(J220-2002)； Technical code for ground treatment of

20、 buildings (J220-2002)(8) 工程测量规范(GB50026-2007)； Code for the engineering survey (GB50026-2007)(9) 施工现场临时用电安全技术规范(JGJ46-2005)；Technical code for safety of temporary electrification on construction site (JGJ46-2005)住建部87号文等有关国家、省及本地区现行相关规范、规程及文件。The 87th file issue by housing construction ministry ,ot

21、her relevant our country, provincial and local laws, regulations and normative、rule documents第三章 开挖前准备工作The third chapter preparation work before excavation 一、现场施工条件 construction conditions of Site本项目位于浙江嘉兴经济技术开发区马家浜路以西，320国道绿化带以南，圣堂路以北地块。场地平整已基本完成。现场出入口位于工地南圣堂路、东北角马家浜路两出入口。地内自然地坪标高均在2.9m之间。根据工程特点及现

22、场实际情况，土方开挖采用场内短驳方式。The project is located in Zhejiang province Jiaxing city economic and Technological Development Zone Ma jia bang road which located west of State road 320, south side of State road 320, north plot to shentang road. Site level has been completed. The entrance is located in north of

23、 shentang road, northeast corner of Ma jia bang road two entrance. Elevation of the interior natural floor all in between 2.9m. According to the characteristics and the actual situation of the site, the excavation using short transport二、编制好土方开挖施工方案 compile the scheme of excavation earthwork 根据现场施工条件

24、、岩土勘测报告、基础形式认真编制好本工程的土方开挖、运输处置路线，并经业主、监理及管理公司审核通过。According to the construction condition, geotechnical survey report, form the basis of careful preparation of the engineering excavation, transportation route, and by the client, supervision and consultant approval the plan.三、选择土方开挖设备 choose the exca

25、vation equipment 本工程拟招标选择专业的挖土机施工单位进行土方开挖，招标确定土方开挖专业挖机师机后，土方开挖专业队伍应组织好适应本工程土方施工的完好机械设备、土方运输的走道钢板、路基箱钢板。The engineering prepare to tender to choose a professional excavator construction team to carry out the excavation of earthwork, the result of tendering will determine professional chauffeur, the e

26、arthwork excavation team should organize equipment 、steel plate for earthwork transport、roadbed steel plate and which suit the engineering 四、做好基坑表面硬化及排水措施 Do the excavation surface hardening and drainage measures根据地勘报告及场地实际情况，地表土以黄粘土为主并且含水量较大，故采取基坑表面硬化（6m宽施工道路）方便出土及合理的排水措施。出土口硬化地坪做法为：素土夯实 铺60厚建筑砼碎块平

27、整夯实。排水措施：基坑坑底四周边挖边由人工开挖300宽明沟，并在基坑四周每隔30m设500*500mm的集水坑，m9网。According to the geological report and the actual situations of the site, the surface soil as yellow clay and contain large water content, so adopt surface harden of the foundation pit ( 6m width construction road ) and facilitate soil tran

28、sport and appropriate drainage measures.The details of hardening the floor in the entrance: compressed the soil first then paved 60 THk construction debris and leveled it Drainage measures: excavated 300mm width open trench around the foundation pit, made 500 * 500mm collection pit every 30m around

29、it.五、技术措施 technology measures 认真学习0.000m以下结构图纸、工程地质勘察报告，知晓场地内土质、水文情况，核对基坑内各部位的开挖深度，与土方开挖单位共同编制土方开挖专项施工方案。会同甲方、设计、监测、监理各单位对各种可能发生的情况进行预估和对策分析，制定详细可行的施工应急措施和方案。Study structural drawings under + 0.000m and geological investigation report, known well earthiness、hydrological condition, check each part of

30、 the foundation pits excavation depth, and joint the construction company which will excavate the foundation to compile the construction scheme for earthwork In conjunction with client, design institute, monitoring, supervision and other company to estimate and analyze countermeasure of the variatio

31、n situation which may be cause during construction, make the details of the construction emergency measures and plan.第四章 土方开挖施工工艺 The forth chapter excavation process 一、开挖方式选择 choose the method of excavation 根据本工程的特点及土质地况，采用机械场内短驳方式。According to the engineering characteristics and soil condition, we

32、 will choose machine carry soil and stack it on site采用机械和人工相结合进行并采用端头挖土法：挖土机从基坑（槽）或管沟的端头以倒退行驶的方法进行开挖。自卸汽车配置在挖土机的边侧装运土，自卸汽车停在机旁装土内短驳。机械挖土预留20cm30cm厚土，由人工紧跟其后进行修挖至设计垫层底标高。土方挖出后，短驳堆放至2#生产厂房东北测、西北侧两旁。Combination mechanical and manual and using the end of excavation method: Excavator from the end of pit (groove) or trench to travel backwards for excavation. Meanwhile configure dump