Galvanized steel pipe communication tower
Roof towers generally use angle steel towers or elevated frames (that is, grid frames). There are two cases for tower installation. One is that the load of the iron tower has been considered in the design of the building and embedded parts (such as the roof of the telecommunications room) have been set. It is to build an iron tower on an old building. In the second case, check and calculate the original building, transform the structure, and increase the anchoring measures of the iron tower; the root opening of the iron tower often varies, and the height of the tower is also restricted. The roof waterproof layer damaged by the construction must be carefully repaired. Be extra cautious. When the antenna height is not much higher than the building roof (about 10m), a simple roof raising method can be adopted, and a concrete pier is placed as a counterweight at the beam (wall) of the building (the calculated concrete weight is sufficient to resist the overturning force of the iron frame) The elevated frame is fixed to the concrete pier, which does not need to damage the waterproof layer of the roof. This method has low cost and simple construction. It is also possible to use a cable to fix the elevated roof without using a concrete pier counterweight, but the anchor points of the cable must be handled with care.
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