Pre-stressed Concrete Spun Pole Production Line

Quantity Order:

Origin:

China

Payment Method:

Telegraphic Transfer (T/T), L/C

Pack. & Delivery:

wooden paching or as request

Introduction
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;
Reduction of cost ( adopting cold drawn wire can economize 25% ~ 40% ; in case of steel wire of high strength, economize12% ~ 21% ) ;
Good endurance can delay the appearance and expansion of cracks;
Protecting the environment that mankind depends on for existence, and reducing deforestation.
Pre-stressed concrete poles are strictly in accordance with two standards: GB396-94 Annular Armored Concrete Pole and GB4623-94 Annular Pre-stressed Concrete Pole of the People’ s Republic of China.
Technology Characteristics
1. The proportioning and the measurement of concrete should be accurate;
2. The error resulting from alignment and cutting length of reinforcing steel bar should reach 1.5/ 10000;
3. Tension strength of the reinforcing steel bar should reach 75% of its tensile strength;
4. Demoulding strength of pole should reach 70% of design strength for concrete.

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