Introduction
This Pre-stressed Concrete Spun Pole Production Line is designed in accordance with annual production capacity of 36,000pcs various medium-sized cone pre-stressed steel concrete poles. As far back as the 1930s, the People’s Republic of China used armored concrete pole. With the rapid development of power industry, the production and use of concrete pole has developed tremendously thereupon. Pre-stressed concrete pole develops rapidly because of much superiority. Compared with common concrete pole, its advantage is as follows: Economizing steel in a large amount, about 30%~70% (adopting cold drawing can economize 30%~60%; in case of steel wire of high strength, economize 40%~69%); Crack resistance is improved by 3~5 times; Steel performance can be improved by 1~3 times......
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