The roofs of some buildings are framed by light steel trusses. Prefabricated steel systems are a high strength, lightweight roof structure that can be quickly installed. In residential construction, wood elements continue to dominate the industry, however steel roofing systems are gaining popularity in markets where extra strength or large free spans are required. Producer in Kiev https://master-metala.kiev.ua/fermy/ offers quality products tailor-made.
Design Features
A standard truss is a series of triangles - a stable geometric figure that is difficult to deform under load. Regardless of the overall size and configuration, all lines and bridges form triangles. They combine to distribute forces across each of the other elements, resulting in a lightweight structure that is stronger than the sum of the forces of its individual components.
Strength is achieved through triangular shapes. These are by nature rigid geometric shapes that are resistant to distortion. The upper belts are compressed and extended towards the heel and lowered at the peak. The bottom chord is usually tensioned to resist being pushed outward. The webs form smaller triangles that reinforce the overall structure and provide rigidity. Loads on individual lintels can be either compressive or tensile.
Installation and Operation
Correct installation and fixing techniques are critical. Do not change the configuration in the field without consulting the manufacturer. Cutting a canvas element will drastically change its characteristics.
Most rafters have lintels that run at an angle between the top and bottom chords. The only exception is a gable truss in which they run vertically. They are located on the end walls of the building and look more like a wall. A structure with a gable end must be supported along its entire length and stabilized at the intersection with the wall.
Some species leave storage space. Either way, however, an attic or living space comes at a price. The bottom line also acts as a floor joist and must be sized to withstand the dynamic load. A solution with storage is about 2 times heavier than the same span without an attic.
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Master of Metal offers a comprehensive service in the design and manufacture of rafters, from initial planning to fabrication and installation.
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