Basic Technical Charactrnristics of Baofeng Light steel Construction Structure System
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1 Hight Structure Stability
The mainbody bearing of low level cold-bending hollow steel section assembly type villa house system adopts cold-bending hollow steel section and structure plates to form rib plate type wall-body structure. This structure has very good integrity performance with light self-weight , and can resist over 8-grade earthquake and hurricanes of wind speed of 50meter/second.
2 Industriallzed production
The materials(cold-bending high-frequency welding light-type thin wall rectangular tube and triangle V type connectors , structure plates , heat preservation and sound insulation materials for low level cold-bending hollow steel section assembly type house systems are all industrialized products , thus the factors affecting component quality are extremely minimized , and this provides very good foundation for consequential decoration engineering . The industrialization of production has provided sufficient space for the scaled and industrialized development of the construction structure system .
3 Quick Construction
Except for the construction of foundation according to traditional structure from ( the engineering amount of the groundwork will be less than traditional reinforced concrete framework ), the construction of steel structure house has the advantages of workshop prefabrication and site assembly; the components can have 100%strength immediately after the installation , while no construction technology intermission exists , and thus improves the labor productivity ; the components are precisely processed completely in compliance with the design drawing and the site construction will only need to take care of their own tasks ; the civilization degree on the site construction will be highly enhanced . the installation skills can be easily mastered and two days training to a normal worker will enable him to install proficiently ; the construction speed is very fast , and the capital return for real estate development becomes quicker ; the installation of mainbody structure for 200-300 square meters can be completed within one or two weeks and the rough decoration standard can be achieved in about one month .
4 Suitable for Construction an all sorts of geologic conditiom foundations
The self-weight of cold-bending high frequency welded light type thin wall rectangular tube type assembly type house system is only one fourth or one fifth of that of traditional reinforced concrete structure , thus can greatly reduce the basic construction cost and be constructed on the foundation of lower bearing capability(such as mountain area ,upland areas ) without any special foundation treatment .
5 Little influence to construction by weather conditions
The site construction for cold-bending high frequency welded light type thin wall rectangular tube house is completely dry construction and can be carried in any weather conditions conditions , so it can be continuously constructed for whole year in most areas of China .
6 Flexible Separation of internal Room
The cold-bending high frequency welded light type thin wall rectangular tube steel components have higher strength compared with reinforced concrete component , and the house span can reach over 9 meters , which provides bigger freedom for householder to separate the room and the individualized house will never be a dream .
7 More Usable Area
The house wall thickness of cold-bending high frequency welded light type thin wall rectangular tube type assembly type house system is generally 100-150mm and the structure coverage is greatly reduced ,which makes the usable area of house reach as high as 92%,7%-10% higher than traditional construction; the pipelines for water and electricity can be easily put within the wall body and the floor structure , which can be implemented easily in short time .
8 Rich & Colorful External Modeling
The excellent machining performance of steel structure material makes it possible to construct all sorts of styles construction , the architects thoroughly break the bondage of traditional construction materials and can extremely enrich the sights of housing areas .
9 Comfort & Energy Saving
The perfect design of heat preservation & sound insulation structure makes the heat preservation performance of 100mm thick glass cotton heat preservation equivalent to that of 1m brick walls ; the test has proved that the outside wall heat transfer coefficient of the structure system is only 0.46 ; the sound insulation performance of light steel structure combined wall body can reach over 50dB ; the excellent heat preservation & sound insulation performance not only provide a healthy and comfortable living environment for householder , but also save energy as much as 60%-70% compared with reinforced concrete structure.
10 high Repetitive Usage
The whole cold-bending high frequency welded light type thin wall rectangular tube type assembly type house system adopts cold-bending high frequency welded light type thin wall rectangular tube steel structure . The steel is 100% recyclable resource and structure . The steel is 100% recyclable resource and the recycle rate of other materials reaches and the recycle rate of other materials reaches above 80% , which coincides with the requirements of modern house environment protection . |
The contrast of light steel structure construction system
and reinforced concretes structure system:
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light steel structure construction system |
reinforced concretes structure system: |
Economy |
May reduce the about 5% cost |
The cost is higher |
Construction time |
Pre-installed roof frame, Hoisting place directly at the scene, Operating difficulty small, small workload
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The maintenance need time to continue the following work. More heterosexual templates, Operating difficulty big, big workload |
Maintenance time |
After the installation it achieves 100%intensity without maintenance |
The maintenance need time to continue the following work. |
Construction condition |
May construct under kinds of climatic conditions |
The maintenance need time to continue the following work. |
Construction quality |
Components are factory assembly line production, the quality is stable, low installation techniques to easily to quality control. |
There are many factors affecting quality control, quality control should not be carried out easily. |
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The competitive advantage comparing with the traditional housing£º |
Using the cold bending high frequency welding the light thin wall side tube (rectangular pipe) steel structure, keep the design request of the original construction in the Contour style. Furthermore, Comparing with the traditional structure system, has following obvious superiority:
1¡¢The technology and the configure is extremely mature and the industry degree is high£¬Has been North America hundred for many years constructs technical and the building materials industrial development crystallization. 2 independent housing construction cycles generally finished, inside and outside to the equipment setup repair complete only need for 3 months. Therefore£¬accelerate the development process greatly and save the development cost and enhance the project comprehensive benefit.
2¡¢The construction performance is outstanding£¬For example the light steel structure according to the way of Platform construction£º
A£ºThe earthquake resistance performance is better than the traditional the concrete and the brick mix the construction£¬resist the anti- 8 earthquakes through the Conventional construction method.
B: The heat preservation (heat insulation) the performance is outstanding. Due to adopt the heat preservation (heat insulation) saving energy technology including central air conditioning¡¢good heat insulation material¡¢ Dupont anti- radiation paper windows and doors spatial glass and so all. Compare the ordinary brick to mix the structure house to save the energy even more beyond 50%.So its thickness is only 120cm.The basic construction heat preservation and heat insulation performance has already satisfied the DBJ01-602-2004 NO. energy conservation stipulation which the Beijing area newly promulgated£»but aimed at the wall structure in this stipulation basically used about 100mm thick£§polyphenylene heat preservation board with other measures so that the wall thickness is all above 350mm.
C£ºThe wall is thin£¬so under the similar floor space uses the light steel structure useable area compare with the reinforced concrete structure and the brick mixes the structure construction to outdo above 10%.
D: The design is so flexible that may satisfy any form the construction
Furthermore the service and the transformation quite is also easy.
E: The space in the room is smooth without tuber and upright£¬convenient to use and artistic visual effect
F: Construction, electrical and mechanical integration of indoor decoration design, water, electricity, air-conditioning piping, wiring all buried in the wall or beam, very convenient and quick
G: The housing is green, comfort far superior to the traditional housing, and industrial waste almost 100% can be recovered.
H: The building period is short and the speed quick and completely does the work, To near users have not any influence
I£ºLight light steel structure themselves, basic treatment is simple and applicable to most geological conditions, Its weight is only equivalent unit area the same size the brick mixes the structure weight of 1/4
J: By certification of many experiment£¬steel frameworks which expose outside can use 70 years. Due to adopting frameworks hot galvanize and the perfect waterproof measure£¬the light steel structure housing enough satisfies the housing 50 years life request.
K£ºIf we adopt the correct sound-proof material and gypsum the inner wall plate the light steel structure can reach the sound-insulated performance which the brick mixes have.
L£ºThe architectural design is reasonable, the inner wall which is wrapped by plasterboard and smallpox and the necessary equipment for Panalarm (smoke detector)
3¡¢The construction economical performance is high£º
A¡¢Under the same construction quality and performance premise its cost is lower than the traditional brick to mix or the concrete building
B¡¢Uses the construction model room -> customer order form -> fast construction -> to hand over the room the development way£¬making the initial investment and the developer risk reduce greatly£¬equally meet customer diversity and individuality of the construction requirements This already was the developed country general villa development pattern. |
The advantages of product performance |
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Heat perseveration: Adopt heat preservation materials like glass cotton or stress plastic plate or compound heat preservation plate and they have good heat preservation effect. The structure form of steel structure itself in combination with all sorts of heat preservation of outside wall can effectively avoid the occurrence of ¡°cold bridge¡± phenomena and achieve better heat preservation. The heat preservation performance of 10cm of combined type heat preservation wall body equals to that of 1m thick brick wall.
1¡¢Heat Insulation: The steel structure form and the OSB plate of the outside walls are heat insulation material; the compound type plate of outside wall adopt high density material for heat insulation.
2¡¢Sound Insulation: The sound insulation effectiveness of plastic steel ,bridge-cut aluminum alloy, wood aluminum and log can reach above 45 decibels; the sound insulation effectiveness of the wall body composed with steel tube, heat preservation materials and plasterboard can reach as high as 55 decible
3¡¢Fire-resistance: The fire resistance limit can reach over four hour for the combined type walls.
4¡¢Wind-resistance: The structure of steel truss has unexampled fastness; the profiled bar structure construction has light weight, high strength, good rigidity and strong transmogrification capability. The self weight of the construction is only one fifth of the brick concrete structure and can resist 0.5KN/M2 wind pressure. It is suitable for the coastal areas and the places of frequent typhoons.
5¡¢Mothproof: Light steel construction is free of the invasion of termites and thus can enhance the life of house and reduce the maintenance cost.
6¡¢Quakeproof: Steel tube truss has unexampled integrity, the steel girder and the steel columns form flexible frames and can absorb part of the earthquake energy and can resist above 9-grade earthquakes; it is suitable for the countries and regions of multiple earthquakes.
7¡¢Less Coverage: The wall thickness of light steel structure house is generally between 100mm and 150mm,which greatly reduces the coverage of structure and enable the usable area reach 92% of the total area ,thus increase about 7%-10% usage area than the traditional construction ;the pipelines for water and electricity can be easily put the wall body and the floor structure, which can be implemented easily in the short time. |
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