Steel structure comprehensive office building Project name: Comprehensive office building Project nature: multi-layer frame steel structure engineering Project period: 8 months
Project introduction This project is a steel frame structure, construction area: 54,024.83 square meters, building height of 36.2m, one underground layer, seven above-ground layers, carrier pile foundation + cap, steel truss floor plate, PU plate external wall, broken bridge aluminum Low-E hollow glass window.
Scope of contract (1) Planning and design (2) Construction drawing design (3) Construction general contract: pile foundation + civil foundation engineering, secondary structure engineering, steel structure frame, external wall PU board, water supply and drainage, fire protection, electrical installation engineering
Demand analysis The building is also a workshop and a comprehensive exhibition hall, with large bearing capacity and high requirements for foundation and structure construction.
solution The design of pile foundation + raft foundation is adopted.
Advantages of steel structure:
1.Shock resistance: The roofs of low-rise villas are mostly slope roofing, so the roof structure basically adopts the triangular roof truss system made of cold-formed steel members. After the light steel members seal the structural plate and gypsum board, they form a very strong "plate rib structure system", which has a stronger ability of earthquake resistance and horizontal load resistance. Suitable for seismic intensity of more than 8 degrees in the area. 2.Wind resistance: section steel structure building light weight, high strength, overall rigidity, strong deformation ability. The body weight of the building is only one fifth of that of the brick and concrete structure. It can withstand a hurricane of 70 meters per second, so that life and property can be effectively protected.
3.Durability: The residential structure of light steel structure is all composed of cold-formed thin-wall steel member system. The steel bones are made of super anticorrosive high-strength cold-rolled galvanized sheet, which can effectively avoid the influence of corrosion in the construction and use of steel plate and increase the service life of light steel member. The structure can last up to 100 years.
4.Thermal insulation: The use of thermal insulation materials mainly glass fiber cotton, with good thermal insulation effect. For external wall insulation board, effectively avoid the wall "cold bridge" phenomenon, to achieve better insulation effect. The thermal resistance of 100mm thick R15 insulation cotton can be equivalent to that of 1m thick brick wall.
5.Sound insulation: The sound insulation effect is an important index to evaluate the housing. The Windows installed by the light steel system all use insulating glass, which has good sound insulation effect, and the sound insulation can reach more than 40 dB. The wall composed of light steel keel and thermal insulation material gypsum board has a sound insulation effect of up to 60 decibels.
6.Health: dry construction, reduce waste caused by pollution to the environment, housing steel structure materials can be 100% recycled, other supporting materials can also be most recycled, in line with the current awareness of environmental protection; All materials are green building materials, which meet the requirements of ecological environment and are conducive to health.
7.Comfort: Light steel wall adopts high efficiency and energy saving system, has breathing function, can adjust indoor air dry humidity; The roof has ventilation function, which can form a flowing air room above the interior of the house to ensure the ventilation and heat dissipation requirements inside the roof.
8.Fast: all dry operation construction, not affected by the environmental season. For a building of about 300 square meters, only five workers can complete the whole process from foundation to decoration in 30 working days. 9.Environmental protection: Materials can be 100% recycled, truly green and pollution-free. 10Energy saving: All use high efficiency energy-saving wall, heat insulation, sound insulation effect is good, can reach 50% energy saving standards.
Steel structure plant features: Steel structure plant has the advantages of overall light, saving foundation, less material, low cost, short construction period, large span, safe and reliable, beautiful shape, stable structure and so on. Steel structure plant is widely used in long-span industrial plant, metal and plastic, mechanical equipment, printing paper products, mold and other industries. Warehouse, cold storage, high-rise buildings, office buildings, multi-storey parking and residential construction industry.