Pile-top hinge structure of high-pile wharf
A high-pile wharf and pile top technology, which is applied in water conservancy projects, sea area engineering, construction, etc., can solve the problems of reducing the bending moment of the pile top, uncertain connection mode, pile top bending damage, etc., and achieves reliable work.
Inactive Publication Date: 2013-11-13
CCCC THIRD HARBOR CONSULTANTS
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Problems solved by technology
[0002] At present, the hinged structure of the high-piled wharf only adopts the method of lowering the height of the pile top extending into the lower beam or the cap pile. This conventional hinged connection structure cannot guarantee the free relative rotation between the pile top and the lower beam or the cap pile. An uncertain connection mode between rigid joint and hinged joint, the pile top may still be damaged by bending when there is a large longitudinal displacement. body bending ability
In the past, the section length of the conventional wharf was small, and the bending moment generated by the temperature difference deformation was always smaller than the bending resistance of the pile body. Under the condition that the pile top would not be damaged, although the design was calculated according to the hinge joint, the actual pile top was partially rigidly connected. The force of the wharf is favorable and belongs to the design safety reserve
[0003] If the pile top rigid connection is adopted for a long segmented wharf, the temperature difference will generate a large pile top bending moment, which will often become the controlling condition to limit the length of the segment. Because the conventional pile top hinged structure is not suitable for pile The area where the top bending moment is greater than the bending capacity of the pile body. Therefore, when it is necessary to extend the section length of the wharf through economic and technical comparison, it is necessary to study a hinged structure that can reduce the pile top bending moment
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[0039] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0040] see figure 1 with figure 2 , the pile top hinged structure of the high-pile wharf provided by the present invention is mainly composed of a bottom plate structure, a steel cage (023), a shear steel pipe (031), a middle plate (041), a top plate (051), and a side flexible anti-corrosion layer (064) composition.
[0041] The bottom plate structure includes formwork (014), formwork hanging ribs (012) and annular bottom plate (011). The annular bottom plate (011) can be placed on the top surface of the pile (061) by adhesive.
[0042] The steel cage (023) extends into the pile through the annular bottom plate (011), and the main tensile reinforcement (021) on it is provided with a sliding layer (022) near the contact surface, and the upper...
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The invention discloses a pile-top hinge structure of a high-pile wharf, which is applicable to long-segment high-pile wharfs. Steel plate contact in adopted in the pile-top hinge structure, the pile-top hinge structure is reliable in hinging, allowable relative pile-top turning angle is large, generated pile-top bending moment is small, and the hinging requirement of long-segment wharfs can be met. Axial pressure borne by a pile is borne and transmitted by the pile top, and pressure resistance is reliable. The hinge structure can be connected with a lower beam or pile cap, the required height of the pile cap is small, and accordingly, construction water level can be increased, and construction is facilitated.
Description
technical field [0001] The invention relates to the structure of a high-pile wharf, in particular to a pile top hinged structure of a high-pile wharf. Background technique [0002] At present, the hinged structure of the high-piled wharf only adopts the method of lowering the height of the pile top extending into the lower beam or the cap pile. This conventional hinged connection structure cannot guarantee the free relative rotation between the pile top and the lower beam or the cap pile. An uncertain connection mode between rigid joint and hinged joint, the pile top may still be damaged by bending when there is a large longitudinal displacement. The situation of body resistance to bending. In the past, the section length of the conventional wharf was small, and the bending moment generated by the temperature difference deformation was always smaller than the bending resistance of the pile body. Under the condition that the pile top would not be damaged, although the design...
Claims
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IPC IPC(8): E02B3/04
Inventor 陈明关程泽坤陈奉琦
Owner CCCC THIRD HARBOR CONSULTANTS