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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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Early development of steel structures in China

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  Structural steelwork is a structure made mainly of steel and is one of the main types of building structure. Steel structures are one of the more common forms of structures used in modern construction work. China was the first country to use iron to make load-bearing structures, as far back as the time of Qin Shi Huang (246-219 BC), when iron was used to make simple load-bearing structures. _________________________ Whatsapp/Tel:+ 86/13056229023 E-mail:safs121@safsteelstructure.com Website:www.safsteelstructure.com/
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What industry is the SAFS engaged in?

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  SPACE FRAME SAFS （ Xuzhou SAFS Steel Structure Engineering Co., Ltd. ） is from Xuzhou City, Jiangsu Province, China. SAFS is committed to advancing the use of space frames by providing architects, engineers, contractors, developers, property owners   and even artists   with the highest quality products and customer service in the industry. We are your partner from idea to installation—working hands-on with you to ensure a seamless build out. In fact, we design, manufacture and fabricate all under one roof. SAFS gives highest precedence to safety in all the project it undertakes. Standing fastidious about safety, every structural   member (tube, cone, bolt, welding) being produced by SAFS, are subjected to tension tests with loads 20% in excess of its design value and the safety of every member is certified. SAFS is uniquely positioned to take on any project, whether big or small. We have an unsurpassed level of resources available and the pursuit of perfection to h...
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What are the superiority of the space frame structure?

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What are the superiority of the space frame  structure ? 1. Space work, simple force transmission path, is a better large-span roof structure. 2. Light weight, good economic index. 3. Large stiffness, good seismic performance. 4. Easy construction and installation. 5. The rods and nodes are easy to be stereotyped and commercialized, and can be produced in batches in the factory, which is conducive to improving production efficiency. 6. The plan layout of the net frame is flexible and the roof is flat, which is conducive to the ceiling, installation of pipes and equipment.
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What is a steel structure space frame ?

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 What is a steel structure space frame ? sports hall Steel space frame structure is a common form of roof cover for large domestic stadiums, industrial plants, theaters, marquees and other buildings at present. The method of this new style structure is to rely on the force of the steel body itself, using bolts ball to connect a steel column together to interlocking support, mesh knot into a variety of different forms of roof space. From a conference room as small as a few meters to an industrial plant with a span of several hundred meters, these are the appropriate range of space frame structure.
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What are the advantages of membrane structure？

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  What are the advantages of membrane structure？ Membrane structure 1. Artistic: novel and beautiful, reflecting the beauty of the structure, and rich in color. 2. Economy: because the membrane has a certain light transmission rate, the lighting intensity and time can be reduced during the day, which can save energy very well. 2. Economy: Since the membrane has a certain light transmission rate, it can reduce the intensity and time of lighting during the day, which can save energy well. 3. Large span: membrane structure can fundamentally overcome the difficulties encountered in the realization of traditional structures on large span (unsupported) buildings. 4. Self-cleaning: the use of membrane materials with protective coating in membrane buildings can give the building a good white clean effect while ensuring the service life of the building. 5. Short construction period: all processing and production in membrane building projects are done in the factory, which can reduce the co...
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What is the difference between Glass floss and rock wool?

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  What is the difference between Glass floss and rock wool? Glass floss Rock wool 1. The difference in production materials Glass floss  is made of glass as the main raw material Rock wool is made of exquisite basalt as the main material 2. the difference in product use Glass floss  is generally used for insulation parts below 200 degrees Celsius, mostly for general building or low temperature pipeline insulation. Rock wool is generally used for insulation parts with a temperature of 500 degrees Celsius, mostly used for insulation of high-temperature heat pipes or electric power equipment.
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  The chessboard -shaped quadrilateral mesh grid has good overall and stability, flexible plane layout, the upper string rod of the structure is short and the lower chord is long. The rods of the exchange are relatively small, the roof structure is simple, and the construction is convenient. The emergence of a large number of new materials, new processes, and new technologies in modern times fully reflects the advancedness, economy and rationality of the grid structure. In the future, the chessboard -shaped quadrilateral cone network shelf will be used more and more many.
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