The light steel structure is revealed, what are the advantages of light steel villas?

The light steel structure is revealed, what are the advantages of light steel villas? The construction technology of light-weight steel structure low-rise residential buildings has evolved on the basis of North American style wood structure construction technology. After more than a hundred years of development, it has formed a mature construction with excellent physical properties, flexible space and shape, easy to build and various forms. system. The origin of light steel is known as the North American continent with a good living environment in the world. More than 95% of low-rise civil buildings, including residences, shopping malls, schools, office buildings, etc., are built with light steel structures (even our neighbors Japan and South Korea) ). North American light wood and light steel structures dominate the overall construction market. In recent years, with the rising price of wood, the market development of light steel structure system in North America is growing rapidly with a growth rate of more than 30%, and is gradually widely accepted by the market. At the same time, it is also widely used in our neighbors Japan and South Korea, as well as developed countries such as Australia. Structural performance of light steel wall The structural performance of light steel wall, the seismic performance of light steel wall is more than 2 times that of masonry structure. 1. Flexible connection Most of the components of the light steel wall are mechanically connected with high-strength screws. The allowable horizontal inter-story displacement of this flexible connection method is 8-10 cm, which can reduce the extrusion damage to the non-load-bearing wall when the main body of the structure is deformed during the earthquake, and at the same time ensure that the wall is not easily overturned, ensuring the safety of pedestrians and residents. 2. Strong deformation ability 'Light steel' refers to cold-formed thin-walled light steel. The material has good ductility, and the small elongation of its cold workability is not less than 10%. Good energy absorption capacity and ductility make light steel structures have superior seismic performance. 3. Good integrity The overall rigidity of the wall is good, and it is not easy to cause centralized damage and fragmentation. 4. Light weight The weight of the light steel wall per square meter is about 25-35 kg, and the unit weight is only 1/5 of the light block wall and 1/8 of the red brick wall. The light steel wall cladding board has the following superior properties: 1. The cladding board can deform horizontally with the light steel wall, and will not fall and hurt pedestrians. 2. The external cladding board used in the exterior has the characteristics of extraordinary aging resistance, strong impact resistance and light weight. 3. The fixing of the external cladding plate belongs to the serial armor system. The external hanging boards are installed in layers from bottom to top, and are fixed by nailing on the top, engaging the male and female grooves and limiting edge trims on both sides. The nail is fixed in the center of the chute. 4. Allow the hanging plate to move horizontally in the plane. The light steel wall has an anti-seismic structure, and the light steel wall can swing with the main structure at the same amplitude, which not only avoids damage to the wall, but also ensures the safety of people. The chute on the top of the wall is installed at the bottom of the structure, and the light steel wall is embedded in it. The chute on the top of the wall provides the vertical and horizontal displacement space of the wall in the plane. Wall side card slot, the card slot is installed on the structure on both sides of the wall, which allows the wall surface to move in the plane, but restricts its overturning outside the plane. The wall top chute and the wall side slot work together, and the wall top chute and the wall side slot realize the three sides of the light steel wall are free and fixed on one side. That is, the bottom of the wall and the main structure are fixedly connected, and the two sides and the top are freely connected by M-shaped steel, allowing the wall to move, but restricting it from overturning outward or inward, greatly reducing the damage to life and property caused by the collapse of the wall. The outstanding advantages of light steel are that the shock resistance can resist rare earthquakes of 9°, and it is suitable for areas with a seismic intensity of more than 8°. Durability The main structure has a life span of more than 70 years. 100% recycled steel structural materials and 80% of other supporting materials. The housing rate of light steel integrated houses is increased by 5% to 13% compared with traditional buildings. Reach level 12 fire resistance According to different designs, the fire resistance time can reach 1 to 4 hours. The thermal resistance of the 200mm thick composite wall can reach 3.2m2K/W, which is 11 times that of the brick wall of the same thickness. , The energy required for heating and cooling is 75% more energy efficient than traditional buildings. Short construction period The assembly of light steel structure houses is simple and fast, saving 2/3 of the construction period compared to traditional structures.
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