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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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What are the advantages of multi-story steel structure plant?

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In the process of development, whether in the early stage of business or expanding the scale of operation, enterprises need an efficient, safe and flexible workplace, which is when the multi-storey steel structure plant has great advantages.

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I. High space utilization rate

Multi-storey steel structure workshop can greatly improve the space utilization efficiency of enterprises. As it can be utilized through the height, it makes the enterprise under the same land area, whether it is production, storage or workplace can be greatly improved. Not only that, the self-weight of steel structure plant is lighter, compared with concrete structure plant, it greatly reduces the foundation investment, thus saving the cost of enterprises.

II. Stronger flexibility

Multi-storey steel structure workshop is more flexible, the internal partitions of steel structure workshop can be changed according to the needs, and adjusted in real time according to the needs of the development of the enterprise's operation, whether it is easy to expand or reduce. Moreover, the construction cycle of steel structure workshop is shorter, which can effectively improve the economic benefits of enterprises, shorten the cycle from investment to output, and accelerate the return of capital.

III. Good anti-seismic performance

Steel structure factory building also has the advantage of anti-seismic performance that cannot be underestimated. Compared with other building structures, it can better cope with the impact of natural disasters, thus ensuring the safety of enterprise assets.



IV. Better building space and integrity

Due to its large building space and integrality, steel structure plant makes the image of the completed plant atmospheric and beautiful, which is conducive to improving the image of the enterprise. Moreover, high-quality steel structure material has good fire resistance and durability, which is conducive to protecting the safety of enterprise property and reducing the cost of maintenance and replacement.

With its unique advantages, multi-storey steel structure plant provides a strong backing for the development of enterprises, which can not only effectively improve the space utilization rate and reduce the investment cost, but also adapt to the needs of flexible changes of enterprises and seismic protection of enterprise assets, which is undoubtedly an ideal choice for enterprises of various scales.

Xuzhou SAFS has been focusing on the overall construction of the factory for more than twenty years, making every effort to create a beautiful, durable, economical and worry-free good factory, and providing exclusive personalized services for different customers.



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What is the difference between a single-layer reticulated shell and a double-layerreticulated shell?

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