Install a set of tensioning devices under the cable tray. The galvanized cable tray forms an arch under the tension of the tensioning tendons. This generates compression on the lower cover plate of the tray and tension on the upper cover plate. This force is opposite to the stress caused by external loads, offsetting part of the working force and improving the stress state of the tray. Therefore, the prestressing method aims to reinforce the tray and correct deflection. It is simple and easy to...
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Due to the short circuit of the high-temperature fan outside the cable, short circuits occurred in all parts of the cable. Generally, this is caused by poor cable quality due to wind exposure, resulting in severe damage to the cable at the defective points; however, obvious traces will still remain. Once a short circuit occurs in the cable tray, the entire cable may be burned out, and the slack of the cable at the defective point is slight.
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The production and processing accuracy of stainless steel thin plates can be found in the following specifications: The following content: Direct part length error: when the length is 2.3m, 3mm; When the length is 6 meters, it is 4 mm. The total width error of straight bends: 2mm when the total width does not exceed 400. When the total width exceeds 400mm, it is 3mm. The specification errors of other prefabricated components shall comply with the requirements of Class C in the GB/T1804 standard...
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The design and structure of the large-span bridge frame products are simple and clear, avoiding the use of small parts as much as possible to make the product more integrated. The product has a lustrous appearance, is not prone to rust, and can be safely used in various environments. It is easy and quick to disassemble, solving the problem of long-distance transportation. Adding a layer of aluminum alloy film on the surface can not only prevent the product from rusting, but also enhance its str...
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