Movable feed hopper of tube-sinking cast-in-place pile and construction method
A technology of immersed cast-in-place piles and feeding hoppers, which is applied to sheet pile walls, infrastructure engineering, construction, etc., can solve the problems of increasing the force of concrete lateral extrusion, increasing the possibility of segregation, and reducing the quality of concrete. , to reduce the drop height, save materials, and reduce the filling coefficient.
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[0051] A movable feeding hopper and a construction method of a pipe-immersed cast-in-situ pile according to the present invention are not only suitable for pipe-immersed cast-in-situ piles with circular pile forms (such as solid piles and pipe piles), but also suitable for immersed pipe-grown piles with special-shaped cross-sections ( Such as X-shaped piles, Y-shaped piles, cross-shaped piles, etc.). This implementation example takes a circular sunk pipe cast-in-place pile as an example, but the scope of protection is not limited to the description of this implementation example.
[0052] like figure 1 ~ As shown in Fig. 7, a movable feeding hopper of an immersed pipe grouting pile is provided with two vertical guide rails (3) on the outer wall of the pile formwork (1), and the guide rails (3) are welded by two "L"-shaped steel materials On pile formwork (1) (such as Figure 4 and Figure 5), the bending section is on the outside. The two guide rails (3) are parallel to ea...
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