One important component that is frequently overlooked but is vital to the design and construction of modern building facades is the use of metal trusses. The skeleton of the building’s facade is composed of these steel or aluminum structural frameworks, which hold the weight of the structure and withstand loads from the wind and snow.
Metal trusses are carefully designed to guarantee longevity and security. They consider things like the building’s height, kind of roof, and climate in the area when designing their designs. This guarantees that they can securely support the facade materials without compromising the building’s overall structural integrity.
Because metal trusses are so versatile, engineers and architects can design unique and beautiful facades. Without sacrificing architectural originality, these frameworks offer the required support for a sleek, contemporary or more traditional style.
In addition to providing structural support, metal trusses enhance a building’s overall sustainability. They can last for decades due to their durability and low maintenance needs, which minimizes the need for replacements and the building’s environmental impact over its lifetime.
- Types and varieties
- Elements of farms
- Varieties of products
- Structural features
- Farm contours and forms
- Types of gratings
- The dependence of the structure on the angle of inclination
- Advantages of construction farms
- Video on the topic
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Types and varieties
The triangle formed by the connected braces is thought to be the most resilient geometric shape. As a result, practically every farm’s constructive scheme, regardless of kind, is made up of a set number of triangle-shaped geometric shapes that never change.
Elements of farms
Farms include the following components:
- Upper belt. Consists of a horizontal, inclined, radius or broken beam, to which all the upper connecting nodes of the racks are attached.
- Lower belt. Horizontal longitudinal beam on which the lower connecting nodes of racks or braces are located.
- Racks. Elements located vertically between the upper and lower belt. Designed for the perception and distribution of the main load along the entire farm design. They work for compression.
- Limits. Inclined racks that connect the nodes located on the upper and lower belt of the device. Installed in a design at an angle of 45 degrees and work for compression and stretching.
- Nodes (panels). Points located on the farm belts in which diagonal braces or vertical racks are connected.
Nodular substances may be:
- Welded – all structural elements are interconnected by welding.
- Bolt compounds or riveted – elements are interconnected using bolts or rivets on a common steel embedded (pack) made of thick rolling sheet.
Varieties of products
When compared to solid beams, the steel farm is lighter, requires less metal to make, and has a higher bearing capacity. Also, the way it is designed and how vertical loads are distributed There are two categories of farms:
- Flat farm (light). It is a structure where its belts, racks and braces are in one working plane. Moreover, it carries only a vertical load. For stability against lateral influences, flat structures are additionally strengthened by transverse runs and diagonal bonds.
- Heavy spatial (structural) farms. Are mounted from a set of braces that diverge from one nodal connection to three or four sides and can have several upper and lower belts.
Although structural devices require much more assembly work, their design allows them to support both side and vertical loads. Moreover, they do not require additional runs to communicate with other metal structures, which is why they are frequently utilized for a single overlap of sizable and reasonably wide spans requiring a minimal number of support columns.
In "Construction Metal Trusses: Structural Features," we delve into the fundamentals of these crucial elements found in contemporary building facades. For supporting roofs and facades, metal trusses are essential because they offer strength and stability while enabling creative architectural designs. We examine their salient characteristics, such as the composition of materials, design modifications, and their contribution to improving both visual appeal and structural integrity. Knowing these trusses will help you, as a builder, architect, or homeowner, make well-informed decisions regarding your construction projects and ensure the longevity and effectiveness of building facades.
Structural features
Every metal device has unique properties and constraints, regardless of its form, circuitry, or design. However, even with the classical installation method, where the structural device is based on supports with two ends, there are occasionally structural structures with one edge hanging—that is, without support. They are typically installed on building floors where the roof slope extends well beyond the exterior walls.
Farm contours and forms
Farmers can have a gable, one, or straight shape, depending on the design. There are various types of contours:
- A device in which both belts are located parallel to each other. Most often used to build floors of industrial buildings with a flat soft roof, as well as for overpasses, bridges and so on. It is the simplest design in which slants and racks are identical in size, so their assembly is quite easy.
- Single -sided trapezoidal design. This constructive structure has straight belts, but the upper one is located with a one -side slope at a certain angle. Using such a structure together with columns, you can create a rather hard frame for the structure. Has no medium long racks and does not require a large slope.
- Polygonal farms. They differ in a complex design and the most long -term assembly, but it can, compared with their analogues, withstand a very large vertical load. Used to block large -span heavy buildings.
- Triangular farms. Used as a rafter system for installation of steep roofs. Simple assembly, but there are some disadvantages. They have a sharp support unit and a large consumption of material during manufacture due to long racks or braces in the center of the structure.
Types of gratings
There are the following kinds of sieves:
- Triangular lattice. Is the most rigid and effective system in structures with parallel, triangular and trapezoidal outlines.
- Salad lattice. Consists of the longest braces that work simultaneously for compression and stretching, but vertical racks only on compression.
Special cross, frying, and other lattices are also present.
The dependence of the structure on the angle of inclination
An essential factor in farm design is their inclination angle, which separates the design into three categories:
- The first group includes structures in which the angle of inclination is 6–150 with a ratio of height and length from 1: 7 – 1: 9. Usually these are trapezoidal devices with additional short racks, thanks to which opposition to the deflection at high vertical loads increases. In this case, the upper and lower sizes of the panels should be the same size, and their number depends on the length of the flight and the features of the farm design itself.
- The second group consists of structural devices with an angle of inclination within 15–22 ° while the ratio of height/length should be 1: 7, where the maximum length should be no more than 20 m/p. Often such designs are made with broken lower belts, which allows you to reduce weight within 30% compared to a triangular farm.
- In the third group, the angle of inclination is 22-300, and their length in relation to the height is the ratio of 1 to 5. These farms are small in weight and most often have the shape of a triangle. Can be mounted directly on the outer walls of the house. The length of the span overlap them can be from 14 to 20 m/p, and the number of panels should be even with the same length of 1.5–2.5 m.
Advantages of construction farms
Nearly all farms that build When compared to all metal beams, they have a number of significant advantages, the primary ones being:
- Light weight with a large length.
- The ability to hold huge statistical and dynamic loads.
- Durability with intensive operation.
- High resistance to deflections.
- The possibility of independent manufacture of farms directly at the construction site
Construction metal farms, recognized for their durability and adaptability, are crucial structural elements in contemporary building design. These frameworks are made of linked metal components that have been thoughtfully designed to effectively support the weight of ceilings and roofs. Because of their design, which guarantees resilience and durability against a variety of environmental factors, they are a popular choice in construction.
The capacity of construction metal farms to span great distances without the need for intermediary supports is one of their primary characteristics. This quality is essential for designing roomy interior spaces devoid of obstructive walls or columns. This flexibility is valued by builders and architects because it enables open floor plans and imaginative architectural designs that improve the overall appearance and usability of buildings.
In addition to providing structural advantages, construction metal farms support environmentally friendly building methods. The use of metal, which is frequently recyclable, is consistent with the ideas of environmentally friendly building. Furthermore, by being lightweight, these frameworks minimize the overall load on the walls and foundation of the building, maximizing the use of materials and lowering construction costs.
To sum up, construction metal farms are a marvel of contemporary engineering that combine durability, adaptability, and sustainability. They play a more significant role in building design than just providing structural support; they influence architects’ project conception and execution. These frameworks continue to be essential to the global creation of long-lasting, effective, and aesthetically beautiful buildings even as construction methods change.