建筑节能外墙保温技术及节能材料毕业论文中英文资料对照外文翻译.doc

1、外墙保温技术及节能材料中英文资料对照外文翻译文献综述文献翻译 On the external wall insulation technology and energy saving materials Abstract as the energy conservation and protect environment requirements of the continuous improvement, building maintenance structure heat preservation technology is also increasing, especially in

2、exterior wall insulation technology has made great progress, and become an important building energy saving technology. At present, the building is often used in external wall insulation are mainly within the insulation, insulation and other methods, according to the development of new technologies,

3、 new energy-saving materials should be developed and utilized, so as to really implement building energy conservation. Key words external wall insulation building materials energy-saving buildingBuilding energy saving is the implementation of the national environmental protection and energy conserva

4、tion policy is the main content, it is to carry out the sustainable development of the national economy important component. The national Ministry of construction in1995 promulgated the rules for the implementation of city building energy saving and other documents, the energy conservation design st

5、andard for residential buildings partial JGJ26-95as a mandatory standard, at the same time, the Ministry of construction and was released in October 1, 2000seventy-sixth called regulation of civil building energy saving, do not conform to the standard of energy saving project, shall not approved for

6、 construction.In such a series of energy-saving policies, regulations, standards and mandatory guidance, Chinas energy-saving housing construction work unceasingly thorough, continuously improve the energy efficiency standards, the introduction of the development of many new energy-saving technology

7、 and materials, vigorously promote the use of residential buildings. But our countrys current level of building energy conservation, but also far lower than developed countries, Chinas building energy consumption per unit area is still a climate similar to the developed countries 3 times to 5 times.

8、 Construction energy conservation is Chinas construction industry is an important task.One, external wall thermal insulation technologyEnergy saving thermal insulation wall construction technology mainly divided into exterior wall internal insulation and exterior wall insulation in two categories.1i

9、nternal insulation technology and its characteristics. Within the external wall insulation construction, in the exterior wall structure with internal heat insulation layer. Thermal insulation in the construction speed is fast, convenient and flexible operation, can ensure the construction progress.

10、Internal insulation application time is long, the technology is mature, construction technology and inspection standard is perfect. In 2001the construction of external wall insulation in about 90% of the engineering application of internal insulation technology. To be popularized in large area of in

11、ternal insulation technology : reinforced gypsum composite polystyrene insulation board, polymer mortar composite polystyrene insulation board, reinforced cement composite polystyrene insulation panels, interior wall decoration with polystyrene board plastering gypsum and wipe with particles of poly

12、styrene insulation slurry and anti-crack mortar is pressed into the mesh approach.But the internal insulation will occupy the area of use, bridge is not easy to solve, easy to crack, but also affects the construction speed, influence dweller decoration two, and the inner wall hanging and fixing it e

13、asy to break the internal insulation structure. Internal insulation technology of irrationality, it would be replaced by external insulation.2external insulation technology and its characteristics. External insulation is currently promoting a building energy-saving insulation technology. The outer a

14、nd inner thermal insulation, reasonable technology, has its obvious advantages, the use of the same specification, the same size and insulation material, insulation than the inner heat preservation effect is good. External thermal insulation technology applies not only to new construction, also appl

15、y to the transformation of old buildings, applicable to a wide range, with high technical content; external insulation package in the main structure of the lateral, to protect the main structure, prolongs the service life of buildings; effectively reduces the thermal bridges in building construction

16、, increase the construction of effective space; while eliminating condensation, improve the living comfort.(1) external external thermal insulation external insulation materials of rock ( ore) cotton, glass cottonMat, polystyrene foam board ( referred to as polystyrene board, EPS, XPS ), ceramisite

17、concrete composite polystyrene insulation board, stone decorative wire mesh frame sandwich wallboard. The polystyrene board has excellent physical properties and cheap cost, already all over the world within the external wall insulation plug technology is widely used in. The plug-in technology is th

18、e use of adhesive mortar or special fasteners, thermal insulation material affixed hanging on the wall, then wipe the anti-cracking mortar, press glass fiber grid cloth to form a protective layer, finally combined with decorative surface. This type of external insulation installation is time-consumi

19、ng, difficult construction, and the construction period to be occupied dominant, main body after the inspection to construction. In the high-rise construction, the safety of construction personnel is not easy to be guaranteed.(2) polystyrene plate wall of a casting moldingThe technique is in the con

20、crete frame shear wall system the polyphenyl board built in building templates, in the gating of the wall outside, then pouring the concrete, concrete and polystyrene board in a casting molding for composite wall. The technology to solve the external insulation problems, its advantage is very obviou

21、s. Because the outer wall body with insulation layer of a survival, efficiency, significantly shortening the construction period, and the construction personnel safety assured. But when construction in winter, polystyrene board insulation effect, can reduce the peripheral wall heat preservation meas

22、ures. But in the concrete to uniform, continuous casting, or because the concrete lateral pressure effect will cause the polystyrene board in Chaimo after deformation and staggered stubble, affect the order of the construction.All kinds of insulation technology and advantages1, expanded polystyrene

23、board and thin plastering and reinforced by glass fiber approach and advantagesIt is currently in use in our country most one kind of external insulation wall, wherein the polystyrene board in the primary wall fixed in one of three ways:1) by bonding mortar fixed;2) using a mechanical fixture fixed;

24、3) more than two kinds of fixed combination. This approach has the following advantages:1) because it is in Europe and the United States have been in use for nearly thirty years, in the United States have built high up to 44 layers, therefore. This technology already formed a system, the bonding lay

25、er, heat-insulating layer and facing layer supporting the use, more mature technical documents;2) due to the expanded polystyrene insulation materials, the price is very expensive, so that the whole system of moderate price. Convenient user acceptance;3) no complex construction technology, construct

26、ion unit after a brief training, can grasp the essentials for construction, technology promotion;4) it set insulation, waterproofing and decoration function in a body, has the advantages of multiple functions;5) the whole system has good weatherability, good waterproof and water vapor permeability;6

27、) a variety of color and texture of the surface coating for selection, and the entire system supporting the use of. At present. This approach in Beijing, Northeast China and other places has been widely applied, Beijing Yu Garden, Wolong garden, the Ministry of construction of C eight, C ten buildin

28、gs transformation and many other engineering, have adopted this approach. However, due to expansion polystyrene against termites, termite in areas not available; due to the construction of environmental temperature of 4 degrees, not suitable for winter construction.In 2, the extruded polystyrene for

29、 external thermal insulation wallExtruded polystyrene is in recent years developed a new type of thermal insulation material. At present, extruded polystyrene and the tea layer wall fixed mode mainly adopts mechanical fasteners. The material has the advantages that:1) extruded polystyrene with dense

30、 surface and inner layer of the obturator structure. Its thermal conductivity is much lower than the same thickness of expanded polystyrene, therefore has a better thermal insulation properties of expanded polystyrene. In the same building, its thickness can be less than other types of insulation ma

31、terial;2) due to the inner layer of the knife hole structure. So it has good humidity resistance, in the humid environment, can keep good thermal insulation properties;3) suitable for cold insulation on the special requirements of the building, and can also be used for exterior wall facing material

32、for brick or stone building,4) as a result of extruded polystyrene and the base wall fixing mode of soil using mechanical fastener. In winter the normal construction. At present. In Beijing, the river runs and other regions have to use this material for outer wall external thermal insulation constru

33、ction, such as the Beijing New Oriental Plaza, Bank of China and other large public buildings. But the extruded polystyrene price is on the high side, thus is suitable for higher grade of the building. The construction technology and node structure needs to be further perfected.The 3single side stee

34、l mesh polystyrene board with the exterior wall external insulationThis is developed in recent years, used for cast-in-place concrete construction of external wall insulation system, a kind of liu. It has the following advantages:1) this system in the construction of. The steel mesh polystyrene boar

35、d is arranged to pouring wall inside an external mold, external insulation board and the wall a survival, after stripping the insulation board and the wall be made one, thus saving manpower, time and cost of installation;2) selection of steel mesh polystyrene plate, light weight, easy construction;3

36、) construction easy to master. Winter construction of polystyrene board as usual;4) the lateral hanging wire, finishes available tiles. At present, this system is mainly used for cast-in-place concrete, high-rise residential, its construction, installation technology has yet to be further improved.A

37、 4 insulation paste material for exterior wall thermal insulationIn recent years, insulation paste is also beginning to be used in building outer wall heat preservation. The utility model has the advantages of:1) insulation paste adhesive layer, insulating layer and the decorative layer has formed a

38、 system, for supporting the use of;2) thermal insulation mortar for exterior wall thermal insulation, the basic wall roughness requirement is not high, easy in the shape of the basal wall construction;3) comparison of the construction process is simple, the operation easy to master;4) some insulatio

39、n slurry material used in recycling of waste polystyrene granule as aggregate, energy saving, is beneficial to protect environment;5) can be used to repair the wall plastering surface cracks. At present, Beijing has many high-rise building exterior insulation with thermal paste, such as modern liter

40、ature museum. However, insulation paste exterior wall external insulation node structure, construction process has yet to be further improved.Above a few kinds of external wall thermal insulation technology, due to the adoption of the materials and construction technology are different, so their app

41、licable scope are not the same. In use. Should be according to the design of construction cost, geographic location and other factors to choose.In two, the external wall thermal insulation energy-saving materialsEnergy saving materials belonging to the thermal insulation materials. Insulation materi

42、al is used for building or thermal equipment, heat transfer impedance material or material complex, including both insulation materials, including cold insulation materials. Insulation material sense, on one hand is to satisfy the architectural space or thermal equipment, thermal environment, on the

43、 other hand, in order to save energy. With the worldwide energy shortage, thermal insulation material in energy-saving aspects of the meaning is more and more important. Only the general residents of heating air conditioning, through the use of thermal insulation building materials, which can be the

44、 basis of the existing energy-saving 50% 80%. According to the Japanese energy-saving practice proved, each using1 tons of insulating material, can save coal3 tons / year, the energy-saving efficiency is10 times the cost of production. Thus, in some countries, the thermal insulation material as foll

45、owing coal, petroleum, natural gas, nuclear power after the fifth big energy.The 1insulation material performance. Adiabatic, is to maximize heat transfer impedance, so the requirement of adiabatic material must has great thermal resistance and low thermal conductivity.From material composition, org

46、anic polymer thermal conductivity than the inorganic non-metallic material; thermal conductivity than the metallic material; gaseous material thermal conductivity less than the liquid material, the liquid material is less than solid. So when conditions permit, should try to use the organic polymer m

47、aterials or amorphous inorganic material, which is favorable for heat insulation.From the material structure, as the material is apparent density decreased, the porosity increases, the material inside the pores as a substantially enclosed micro hole, coefficient of heat conductivity of the material

48、is relatively small. For foam products, to meet the requirements of thermal insulation materials and the best apparent density of 16 40kg / m3.2 commonly used thermal insulation materials. Can meet the performance requirements for exterior insulation energy-saving materials are: polystyrene foam boa

49、rd ( EPS and XPS ), rock ( ore) cotton board, glass wool felt and super light particles of polystyrene insulation slurry etc. All of the above materials are a common feature of the materials within a closed hole, their apparent density is small, it is also used as insulation materials required.Rock ( ore) wool and glass wool are sometimes referred to as the mineral cotton, which belongs to the field of inorganic material. Rock wool, not combustion, low price, to meet the heat insulation perfo