Production process of prestress FRP-rib (fiber reinforce plastic-rib) concrete pipe pile
A technology of concrete pipe piles and manufacturing technology, which is applied in sheet pile walls, foundation structure engineering, construction, etc., can solve problems such as steel bar corrosion and pipe pile damage, and achieve strong bearing capacity, strong corrosion resistance, and novel manufacturing technology Effect
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[0027] The present invention will be described in detail below in conjunction with the accompanying drawings of the specification.
[0028] The manufacturing process of prestressed FRP reinforced concrete pipe pile includes the following steps:
[0029] 1) Concrete production: Use a forced concrete mixer to make fresh concrete with a low slump of 4 to 5 cm, and the concrete strength level shall not be lower than C60 or C80;
[0030] 2) Fabrication of FRP rib cage frame: make FRP main rib 1 and FRP stirrup 2 according to the required size, and use plastic, nylon rope or non-metallic tension band to bind the FRP main rib and FRP stirrup to make the finished FRP rib cage The frame is similar to the traditional steel cage;
[0031] 3) Production of end plate: End plate 3 is circular, and several small holes 4 and several large holes 5 are evenly arranged on end plate 3, among which small holes 4 are holes for passing FRP main rib 1, and large holes 5 are pull plates 6 Holes for the upper...
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