《专业英语》课件Unit-30.pptx

1、TextWith the reform and opening up,Chinas rapid economic and social development,a strong impetus to Chinas urbanization process,and the increasing scale of construction in the overall construction of the construction process,a variety of techniques and methods of construction and design whole buildi

2、ngs are an important impact,so take reasonable and effective form of construction techniques and construction of buildings can greatly improve the overall quality and effectively shorten the construction period.Modern building technology development and application,to the development of Chinas const

3、ruction industry have injected new vigor and vitality.Article on building technology in earthwork construction technology,architectural precast concrete piles of high-tech technology and low carbon building technology,etc.carried out a detailed exposition and analysis.A construction engineering eart

4、hworks construction technology in construction earthworks including all soil excavation,filling and transportation processes and drainage,precipitation,soil wall support and ancillary works and other preparatory work.Most common earthworks including site preparation,pit(trench)excavation,floor filli

5、ng,roadbed construction and excavation backfill,etc.TextDesign elevation general requirements:large projects usually have to determine site design plane for ground leveling.ground leveling is to transform the natural ground into people required plane.venue design elevation should meet planning,produ

6、ction processes and transport,drainage and the highest flood level requirements,and strive to make the venue balanced and earthwork cut and fill earthwork minimum.design elevation determination method:general methods such as venue relatively flat,the elevation of the site design without special requ

7、irements,in accordance with the principle of equal cut and fill earthwork site design elevation to determine the actual engineering of the calculated design elevation,the following factors should be considered to be adjusted,the completion of this work earthwork calculation after considering soil ev

8、entually loose sex,you need a corresponding increase in the design elevation to reach the earthwork of the actual balance of the projects soil or engineering with soil,a corresponding increase or decrease the design elevation,according to the economic results of the comparison,such as the use off-si

9、te soil or spoil the construction program,you should consider thus causing changes in the amount of earthwork,the need to design elevation adjustment.adjustment Plane Site Design work is also heavy,such as modifying the design elevation shall be recalculated earthworks volume.TextTwo precast concret

10、e pile construction technology in modern architectural projects,multi-storey buildings generally better to use more locally-based natural shallow foundation,it low cost,simple construction,if the soil is weak natural light,can be mechanical pressure real,dynamic compaction,preloading,deep mixing,che

11、mical methods such as artificial reinforcement reinforcement,form an artificial foundation.Piling preparatory work before:before piling the following preparations:Clear hinder the construction of the above-ground and underground obstructions,flat construction site positioning actinomycetes,set the p

12、ower supply,water supply systems,installation piling machines.pile axis of the anchor point and standard points should be set up without piling on the impact of the location,level of not less than two set points in the then be able to check the construction process deviation pile and pile embedded d

13、epth.piling techniques below.Hammers in place,it will lift the pile hammer and pile cap,and then hanging pile and sent to the guide rod,the vertical alignment to send the next pile slowly into the soil,vertical deviation may not exceed 0.5%,and then fixed pile cap and pile hammer,making piles,pile c

14、aps,pile hammer on the same vertical line,to ensure that the pile can be vertical sinking in the pile hammer and pile caps should be added between the flexible liner,pile cap and pile around four weeks should be 5 10mm gap,to prevent damage top of the pile,piling starts,the hammer should fall away f

15、rom the small pile to be buried to a certain depth and stable,and then fall from the hammering required.Textuse single-action steam hammer or hammer piling,the maximum drop distance should not be more than 1m,diesel hammer,hammer beating normally should be made in the piling process,in case of penet

16、ration upheaval,pile sudden tilt,shift or serious rebound,or the top of the pile pile severe abnormalities such as cracks or broken,it should be suspended piling,timely study treatment,such as pile top elevation below the natural soil surface,you need to use to send pile pipe into the soil when the

17、pile,pile and pile delivery tube longitudinal axis of the line should be in the same line,pull out the delivery pipe pile after pile hole should be backfilled or capped,then pile pile multi-section,can be welded or flanged anchor.Currently the most widely used welding then pile.Then pile pre-buried

18、iron surface should be clean,the upper and lower sections if the gap between the application pile infill weld metal plates,welding seam should be continuous and full,and take measures to reduce the welding deformation.Then pile,the upper and lower sections of pile centerline deviation of not more th

19、an 10mm,node bending vector height not greater than 1 pile length.Piling quality control:quality checks including piles piling deviation,the last pile penetration and elevation,top of the pile,the pile is broke and right without causing serious harm to the surrounding environment.pile vertical devia

20、tion should be controlled within 1%,flat position tolerance,for the building foundation,single or double row pile strip perpendicular to the strip pile the longitudinal axis of 100mm,and parallel to the longitudinal direction of the pile strip 150mm,the number of piles pile 1 to 3 in the pile of 100

21、mm,and the pile of 4 to 16 in the pile of pile 1/3 diameter or 1/3 side length,number of piles greater than 16 in the pile outermost 1/3 diameter or 1/3 side,the middle pile of 1/2 diameter or side length.TextCarbon building construction technology refers to a low-carbon building materials and equip

22、ment manufacturing construction,construction and use of the building throughout its life cycle,reduce fossil energy use,improve energy efficiency and reduce carbon dioxide emissions.Currently low carbon building construction industry has gradually become the mainstream of the international trend.low

23、-carbon building low-carbon building a structured system,ground source heat pump system,smart wiring distribution systems,solar integrated utilization,energy saving windows and doors,rainwater collection and utilization of water use other low-carbon technologies.Carbon building technology not only c

24、an significantly reduce energy consumption,while allowing construction of carbon emissions levels by about 50%.Carbon buildings are mainly the following techniques forms of external energy-saving technologies:composite technology enclosing wall insulation,thermal insulation and outer attached sandwi

25、ch insulation layer three,sandwich insulation practice of using more countries in Europe,mostly used outside with foam polystyrene board practices in Germany,external insulation construction accounted for 80%of total construction,of which 70%are used foamTextpolystyrene board,doors and windows savin

26、g technology:insulating glass,coated glass(including reflective glass,heat-absorbing glass)high strength LOW2E fire glass,vacuum magnetron sputtering method using metallic silver layer coated glass and the most special smart glass,roof saving technologies:the use of smart technology,eco-energy savin

27、g building technology to achieve the aspirations,such as roofs and solar collectors can be controlled ventilated roofs.Cooling and lighting is a major part of building energy consumption,such as the use of ground(water)source heat pump system,replacement of fresh air systems,radiant floor heating,ne

28、w energy development and utilization of:solar water heaters,photovoltaic roof panels,photovoltaic wall panels,Optical visor,photovoltaic spandrel,optoelectronic and photovoltaic glass curtain wall skylight.Conclusion In summary,with the rapid development of science and technology,there will be more

29、excellent materials and advanced construction techniques to be applied to modern construction works were in the new situation,we should adhere to scientific and technological innovation to achieve better Building Technology Development for Chinas construction business and make due contributions,in a

30、ddition to more emphasis on research and development and promote the use of low-carbon buildings.dynamicadj.动态的，动力的compactionn.压紧preloadvt.预加载，预先加压anchoradj.固定的alignmentn.校准，结盟tiltvi.倾斜，翘起longitudinaladj.长度的，纵向的vectorn.矢量vacuumadj.真空的magnetronn.磁控管radiantadj.辐射的New Words and PhrasesNotes（1）According

31、 to the economic results of the comparison,such as the use off-site soil or spoil the construction program,you should consider thus causing changes in the amount of earthwork,the need to design elevation adjustment.adjustment Plane Site Design work is also heavy,such as modifying the design elevatio

32、n shall be recalculated earthworks volume.根据经济比较结果，如采用场外取土或弃土的施工方案，则应考虑因此引起的土方量的变化，需将设计标高进行调整。场地设计平面的调整工作也是繁重的，如修改设计标高，则须重新计算土方工程量。（2）Hammers in place,it will lift the pile hammer and pile cap,and then hanging pile and sent to the guide rod,the vertical alignment to send the next pile slowly into th

33、e soil,vertical deviation may not exceed 0.5%打桩机就位后，将桩锤和桩帽吊起，然后吊桩并送至导杆内，垂直对准桩位缓缓送下插入土中，垂直度偏差不得超过0.5%（3）Carbon building construction technology refers to a low-carbon building materials and equipment manufacturing construction,construction and use of the building throughout its life cycle,reduce foss

34、il energy use,improve energy efficiency and reduce carbon dioxide emissions.低碳建筑是指在建筑材料与设备制造、施工建造和建筑物使用的整个生命周期内，减少化石能源的使用，提高能效，降低二氧化碳排放量。Notes（4）Cooling and lighting is a major part of building energy consumption,such as the use of ground(water)source heat pump system,replacement of fresh air system

35、s,radiant floor heating,new energy development and utilization of:solar water heaters,photovoltaic roof panels,photovoltaic wall panels,Optical visor,photovoltaic spandrel,optoelectronic and photovoltaic glass curtain wall skylight.制冷和照明是建筑能耗的主要部分，如使用地（水）源热泵系统、置换式新风系统、地面辐射采暖；新能源的开发利用：太阳能热水器、光电屋面板、光电

36、外墙板、光电遮阳板、光电窗间墙、光电天窗以及光电玻璃幕墙等。（5）Conclusion In summary,with the rapid development of science and technology,there will be more excellent materials and advanced construction techniques to be applied to modern construction works were in the new situation,总之，随着科学技术的迅猛发展，将会有更多优良的建筑材料和先进的建筑技术被运用到现代建筑施工工程

37、当中。1.Firstly,in the construction process for the formation of divisions,sub-project mid-term acceptance.2.Organize individual projects or entire construction project completion and acceptance in a single construction project is completed or the entire project is completed,3.Construction projects con

38、struction phase ways and means of quality control during every procedure4.Good step down the transfer process and cross-acceptance if the former does not meet the quality requirements of a process,a process can not be under construction5.Each to adhere to self-construction process,mutual inspection

39、and special inspection of the quality inspection system,to be progressively checked Cengcengbaguan.6.对建筑工程施工阶段质量控制的内容进行分析，就如何加强施工阶段的质量控制提出一些看法。7.为了保证建筑工程项目的施工质量，应对建筑工程建设生产的实物进行全方位、全过程的质量监督和控制。Exercises（Translate the following Chinese into English,or English into Chinese）8.明确所需材料的质量要求和技术标准，尤其是加强对建筑工程项目关键材料如水泥、钢材等的控制。9.对重要的和復杂的建筑工程施工项目或者工序设立质量控制点，加强控制。10.对于重要的工程变更或者图纸修改，必须通过相应的审查，在组织有关方面研究、分析、讨论、确认后，才予发布变更指令实施。Exercises（Translate the following Chinese into English,or English into Chinese）