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What is a shear key in steel structures?

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 In steel structure engineering , the column base connection serves as the pivotal interface linking the superstructure to the concrete foundation below. It must safely and reliably transmit various loads from the upper structure: vertical pressure , uplift forces , bending moments , and horizontal shear forces . When horizontal shear forces become substantial, the friction alone between the column base plate and the concrete foundation surface proves insufficient to resist them. At this juncture, a critical small component becomes indispensable—the shear key . Shear keys, as the name suggests, are structural steel connection components specifically designed to resist and transmit horizontal shear forces. Essentially, they are short steel members. Installation location: Typically welded or anchored to the base plate of a steel column (or other load-bearing components such as equipment supports ), with its lower end embedded in the concrete foundation or concrete structure cast ...
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Space Frame Steel Bars

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Application of space frames to hangars

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To date, space frame structures have been widely used in China, with application scenarios including but not limited to: industrial plants, coal storage structures, hangars, airport terminals, high speed rail stations and large stadiums. 💚💚💚 Hangars require a large span and space sufficient for aircraft parking, but also a certain load-bearing capacity to withstand the loads brought by the equipment during aircraft maintenance. In order to increase the load-bearing capacity, the construction of hangar structures has been accompanied by improvements and innovations to the traditional two-storey space frame structure. For example, the four-bay hangar at Beijing Capital Airport, built in 1996, has a three-storey space frame structure with dimensions of (153+153)m × 90 m. The hangar of China Southern Airlines at Beijing Daxing International Airport, built in 2019, has a W-shaped truss + space frame structure system with a span of 222 m at the opening side of the gate. hangar
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Steel space frame construction in industrial plants

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 Steel space frame construction in industrial plants industrial plant Most of the applications of space frame structures in industrial plants are small to medium span, large area grid roofs supported by column networks. An early representative project is the seamless steel pipe processing workshop in Tianjin, completed in 1992, which, according to the literature, was the first time that a mesh frame structure was used for a single-storey industrial plant in a metallurgical factory with heavy-duty working cranes, with an area of about 62,000m², saving about 43% of the steel consumption compared to the traditional planar steel truss structure solution. The Tesla Super Factory in Shanghai, which is due to be completed in 2021, features a squared-off quadrangular conical grid structure with an area of 157,000m².
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What are the material requirements for light roofs in shopping centres?

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  The material requirements for light roofs in shopping centres are as follows: 1. The material of the light roof should have good light transmission and optical properties to ensure that light can fully enter the room, while avoiding excessive light glare and shining into any area of the room. 2. The material should have good durability and UV resistance, and be able to maintain its translucency and colour vibrancy for a long time, and not be easily deformed, aged or brittle. 3. The surface of the material should be flat, smooth, burr-free and pollution-free to ensure the aesthetics and hygiene of the light roof. 4. The material should have good thermal insulation and fire resistance, which can effectively prevent excessive indoor temperature, fire and other safety problems. 5. The material should be easy to install and maintain, and can be easily cleaned and replaced without affecting the normal operation of the mall.
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Steel structured coal shed storage

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coal shed storage The steel structure   coal shed storage  has many advantages over other types of coal storage facilities. Firstly, it has a large storage capacity, which can meet the needs of the power plant for a long time. Secondly, it has good sealing performance, which can prevent the coal from being affected by the external environment and ensure the quality of the coal. Thirdly, it has a high degree of automation, which can reduce the labor intensity of workers and improve the efficiency of coal handling. In addition, the steel structure   coal shed storage  is easy to assemble and disassemble, which can save time and labor costs during the construction process. It is also easy to maintain and repair, which can prolong the service life of the silo. In conclusion, the steel structure  coal shed storage  is an important facility in the coal handling system of thermal power plants and other industries. It has many advantages, such as large storage capa...
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Structural steel parts

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  High strength bolts Video of the production of structural steel parts Our steel parts are widely used in steel structure construction. With excellent quality and long service life, we can provide the most reliable support for your projects. Our customer service team will also provide you with the most professional consultation and service, so that you can shop without worries.
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Why do most of the stadium bleachers use truss structure?

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  The reasons for adopting truss structure for stadium grandstand are as follows: truss roof 1. High strength : Joist structure is composed of multiple triangles, which can disperse the load and support the weight, with high strength and stability. 2. Lightweight : truss structure is usually made of lightweight materials, such as steel or aluminum alloy, which is light in weight and easy to transport and install. 3. Good flexibility : Joist structure can be adjusted and changed as needed to suit different sites and usage requirements. 4. Economical and practical : The manufacturing cost of joist structure is relatively low and the maintenance cost is also low, so it is economical and practical. 5. Beautiful and generous : Joist structure has simple and generous appearance and good aesthetics, which meets the aesthetic standard of modern architecture. _________________________________________________________________ Follow me and take you to learn more! 👇👇👇 www.safsteelstructure...
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