Warehouse refers to the building used to store goods, which is mainly used to store goods that are afraid of rain, snow and wind, and require good storage conditions. According to the building structure, it can be divided into concrete warehouse, brick and wood warehouse, steel warehouse, etc. According to the use requirements of the warehouse, it can be divided into simple warehouse, thermal insulation warehouse, automatic warehouse and refrigerated warehouse. Next, we will roughly explain the cost of prefabricated steel frame structure warehouse.
The cost of prefabricated steel frame structure warehouse can be estimated at about $160/㎡, and the steel is estimated at 15kg/㎡. It is related to the location of the project, whether there is a crane, crane tonnage, foundation form, etc. Generally, welding section or H-section is commonly used, and steel is not economical. There is no column spacing requirement, and double slope triangular roof truss can be used.
Provisional estimate of Z-shaped steel purlins: 30kg/㎡, $3/kg (based on comprehensive price), roughly $90/㎡.
Suggestion: light steel roof is built on brick wall and concrete column. Although the construction period is long, the cost is the lowest.
The composite structure of light steel skeleton and high-strength BAS inorganic light core material is adopted. Although it is a light slab, it maintains the characteristics of large bearing capacity and high safety of traditional reinforced concrete heavy slab. It can not only meet the requirements of uniform load, but also has strong concentrated bearing capacity. It is an ideal material to replace the traditional concrete roof slab and floor slab.
2. Durable
The careful design and combination of material selection and construction methods make the design service life of the product up to 50 years. The sandwich panel is made of inorganic material, with good stability and aging resistance, and its service life is equivalent to that of concrete material. The diameter of the steel wire at the bottom of the plate is more than 3mm, the thickness of the protective layer is more than 20mm, and the moisture absorption rate is less than 0.1%. The plate has strong resistance to gas corrosion such as alkali. After 25 freeze-thaw cycles, the volume and strength have almost no change.
3. Thermal insulation
The board has excellent thermal insulation performance, low thermal conductivity of the material, and the minimum heat transfer coefficient of the whole board can reach 0.3w/m2k, meeting the requirements of building thermal insulation and energy conservation in cold regions. The board has excellent heat insulation performance. When the outside of the board is heated to 900 ℃, the inside of the board is only 50 ℃. It is an ideal material in high temperature areas.
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