A pretensioned centrifugal concrete pile with steel strands and its manufacturing method
A technology of concrete piles and steel strands, applied in the field of pile foundation engineering, can solve problems such as difficult end plates or tension plates, anchor plates are firmly fixed, easy to be broken, pile body prestressed damage, etc., to achieve a locking method Simple and reasonable, the overall performance is greatly improved, and the effect of consistent tensile strength
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[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0045] Such as Figure 1-10 Shown is a preferred embodiment of the present invention.
[0046] A pretensioned centrifugal concrete pile with steel strands, comprising a hollow concrete pile body 1, an end plate 2 and a reinforcement cage inside the concrete pile body 1, the concrete pile body 1 can be a circular pile or a square pile For piles, polygonal piles and various pretensioned prestressed centrifugal concrete special-shaped piles, two end plates 2 are connected to the end faces at both ends of the concrete pile body 1 . The reinforcement cage includes the axially arranged prestressed main reinforcement and the stirrup 4 wound outside the main reinforcement. The prestressed main reinforcement is a steel strand 3. The fixation between the stirrup 4 and the steel strand 3 can be tied manually or by Binding by an automatic binding machin...
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