Bridge pile foundation settlement deformation bearing structure

Abstract

The utility model relates to the technical field of bearing structures, in particular to a bridge pile foundation settlement deformation bearing structure which comprises a U-shaped steel plate, a bearing base platform is poured in the U-shaped steel plate through concrete, and a bridge supporting stand column is poured on the top face of the bearing base platform through concrete. The grouting device has the advantages that the grouting holes are formed in the foundation pit, at the moment, the U-shaped steel plate is installed in the foundation pit, the limiting sleeves are inserted into the grouting holes, the locking plate is locked on the ground through the locking pins, and the stability of the U-shaped steel plate can be improved through the arrangement of the locking plate; the bearing structure can be prevented from settling to a certain extent, then concrete grout is injected into the grouting holes through the pouring holes to form the pile foundations, finally, the bearing base platform is poured in the U-shaped steel plate, the U-shaped steel plate has enough strength and rigidity, all the pile foundations can be effectively connected into a whole, and therefore the lateral displacement resistance of the pile foundations is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bearing structure technical field, especially a bridge pile foundation settlement deformation bearing structure. BACKGROUND

[0002] In the field of bridge engineering, pile foundation bearing structure is the key part to ensure the stability and safety of the bridge. The bridge pile foundation bearing structure is usually composed of a bearing platform, bridge support columns and several pile foundations. The bearing platform is located below the bridge support columns, which plays a role in dispersing and transferring the load from the columns to the underlying pile foundations. The pile foundation is deeply buried in the ground, which supports the entire bridge structure through its strong bearing capacity.

[0003] Traditional bridge pile foundation bearing structures face some challenges in practical application. In particular, when there is a lack of effective connection between pile foundations, its lateral stability will be severely affected. As the foundation support of the bridge structure, the stability of the pile foundation is directly related to the overall safety of the bridge. If there is a lack of connection between pile foundations, relative displacement between pile foundations is easy to occur when subjected to lateral load or wind load and other external forces, which in turn causes settlement and deformation. This not only reduces the carrying capacity of the bridge, but also adversely affects the durability of the bridge. SUMMARY

[0004] The purpose of the utility model is to solve at least one of the technical defects mentioned above.

[0005] To this end, one purpose of the utility model is to provide a bridge pile foundation settlement deformation bearing structure to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a bridge pile foundation settlement deformation bearing structure, which comprises a U-shaped steel plate, a bearing platform is poured with concrete inside the U-shaped steel plate, a bridge support column is poured with concrete on the top surface of the bearing platform, the U-shaped steel plate and the bearing platform are perpendicular to the bridge support column, two symmetrical support hoops are fixedly installed on the top surface of the bearing platform by bolts, the inner walls of the two support hoops are in close contact with the bridge support column, the two support hoops are fixedly connected by bolts, a plurality of linearly arrayed pouring holes are formed in the bottom surface of the U-shaped steel plate, a plurality of linearly arrayed pile foundations are poured with concrete on the bottom surface of the bearing platform, the plurality of pile foundations are perpendicular to the bearing platform, the top ends of the plurality of pile foundations are located inside the plurality of pouring holes respectively, a plurality of linearly arrayed limiting sleeves are fixedly connected to the bottom surface of the U-shaped steel plate, the inner diameter of the limiting sleeve is equal to the diameter of the pouring hole, and the inner wall of the limiting sleeve is in close contact with the outer surface of the pile foundation.

[0007] Preferably, each inner wall of the support hoop is provided with an arc-shaped limiting slot, an outer surface of the bridge support column is fixedly connected with a limiting steel ring, and the two support hoops are slidably connected with the limiting steel ring through the arc-shaped limiting slots.

[0008] Preferably, the inner wall of the U-shaped steel plate is fixedly connected with a plurality of symmetrically arranged connecting steel columns, and the plurality of connecting steel columns are poured into the bearing base table through concrete.

[0009] Preferably, the left and right sides of the U-shaped steel plate are fixedly connected with locking plates, the inside of each locking plate is slidably connected with two symmetrically arranged locking pins, and the bottom surface of each locking plate is fixedly connected with a plurality of linearly arranged anti-skid nails.

[0010] Preferably, the bottom surface of the U-shaped steel plate is fixedly connected with a plurality of linearly arranged reinforcing cross plates, the bottom surface of the U-shaped steel plate is fixedly connected with a plurality of linearly arranged reinforcing longitudinal plates, and the plurality of reinforcing cross plates and the plurality of reinforcing longitudinal plates are arranged alternately.

[0011] Preferably, the inner wall of the U-shaped steel plate is fixedly connected with two symmetrically arranged arc-shaped protrusions, and the outer surfaces of the two arc-shaped protrusions are in close contact with the bottom surface of the bearing base table.

[0012] Preferably, the inner wall of the limiting sleeve is provided with a plurality of circumferentially arranged clamping grooves, the outer surface of the pile foundation is poured with a plurality of circumferentially arranged concrete clamping plates through concrete, and the plurality of concrete clamping plates are respectively embedded in the plurality of clamping grooves.

[0013] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0014] 1、When the bearing structure needs to be installed, a plurality of grouting holes are first provided in the foundation pit, the U-shaped steel plate is installed in the foundation pit, the plurality of limiting sleeves are inserted into the plurality of grouting holes, the locking plates are locked on the ground through the locking pins, the stability of the U-shaped steel plate is improved through the arrangement of the locking plates, the settlement of the bearing structure is prevented to a certain extent, the pile foundation is formed by pouring the concrete slurry into the grouting hole through the pouring hole, and finally the bearing base table is poured in the U-shaped steel plate.

[0015] 2, after the pouring of the bearing base is completed, the pouring of the bridge support column can be carried out on the top surface of the bearing base, then the two support hoops are locked on the bearing base by using the bolts, and the two support hoops are locked together by using the bolts, at this time the limiting steel ring is inserted into the inside of the two arc-shaped limiting grooves, the bridge support column and the two support hoops can be connected more stably, the bridge support column can be supported through the two support hoops, and the stability of the bridge support column can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the assembly body of the utility model;

[0017] Figure 2 It is an explosion structure schematic view of the assembly body of the utility model;

[0018] Figure 3 It is a structure schematic view of the pile foundation of the utility model;

[0019] Figure 4 It is a first visual angle structure schematic view of the U-shaped steel plate of the utility model;

[0020] Figure 5 It is a second visual angle structure schematic view of the U-shaped steel plate of the utility model.

[0021] In the drawing: 1-U-shaped steel plate, 2-bearing base, 3-bridge support column, 4-support hoop, 5-pouring hole, 6-pile foundation, 7-limiting sleeve, 8-arc-shaped limiting groove, 9-limiting steel ring, 10-connection steel column, 11-locking plate, 12-locking pin, 13-anti-skid nail, 14-strengthening cross plate, 15-strengthening longitudinal plate, 16-arc-shaped protrusion, 17-clamping groove, 18-concrete clamping plate. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0023] For example, Figures 1 to 5As shown in the figure, a bridge pile foundation settlement deformation bearing structure, it includes U type steel plate 1, the inside of U type steel plate 1 is poured with bearing base 2 by concrete, the top surface of bearing base 2 is poured with bridge support column 3 by concrete, U type steel plate 1 and bearing base 2 are perpendicular to bridge support column 3, the top surface of bearing base 2 is fixedly provided with two symmetrical support hoops 4, the inner wall of two support hoops 4 is matched with bridge support column 3, two support hoops 4 are fixedly connected by bolt, the bottom surface of U type steel plate 1 is provided with a plurality of linear array pouring holes 5, the bottom surface of bearing base 2 is poured with a plurality of linear array pile foundations 6 by concrete, a plurality of pile foundations 6 are perpendicular to bearing base 2, the top end of a plurality of pile foundations 6 is located inside a plurality of pouring holes 5, the bottom surface of U type steel plate 1 is fixedly connected with a plurality of linear array limiting sleeves 7, the inner diameter of limiting sleeve 7 is equal to the diameter of pouring hole 5, the inner wall of limiting sleeve 7 is matched with the outer surface of pile foundation 6.

[0024] As an optional technical scheme of the utility model, the inner wall of each support hoop 4 is provided with an arc-shaped limiting groove 8, the outer surface of bridge support column 3 is fixedly connected with a limiting steel ring 9, two support hoops 4 are slidably connected with limiting steel ring 9 through arc-shaped limiting groove 8, bridge support column 3 can be supported by two support hoops 4, and the stability of bridge support column 3 can be improved.

[0025] As an optional technical scheme of the utility model, the inner wall of U type steel plate 1 is fixedly connected with a plurality of symmetrical connecting steel columns 10, a plurality of connecting steel columns 10 are poured in the inside of bearing base 2 by concrete, and the connecting steel column 10 can make the connection between bearing base 2 and U type steel plate 1 more stable.

[0026] As an optional technical scheme of the utility model, the left and right sides of U type steel plate 1 are fixedly connected with locking plates 11, the inside of each locking plate 11 is slidably connected with two symmetrical locking pins 12, and the bottom surface of each locking plate 11 is fixedly connected with a plurality of linear array antiskid nails 13, the locking plate 11 is locked on the ground by the locking pin 12, and the stability of U type steel plate 1 can be improved by the arrangement of the locking plate 11.

[0027] As an optional technical scheme of the utility model, the bottom surface of U type steel plate 1 is fixedly connected with a plurality of linear array reinforcing cross plates 14, the bottom surface of U type steel plate 1 is fixedly connected with a plurality of linear array reinforcing longitudinal plates 15, a plurality of reinforcing cross plates 14 and a plurality of reinforcing longitudinal plates 15 are arranged alternately, and the arrangement of reinforcing longitudinal plate 15 and reinforcing cross plate 14 can improve the strength of U type steel plate 1.

[0028] As an optional technical scheme of the utility model, the inner wall of the U-shaped steel plate 1 is fixedly connected with two symmetrically arranged arc protrusions 16, and the outer surfaces of the two arc protrusions 16 are in close contact with the bottom surface of the bearing base 2.

[0029] As an optional technical scheme of the utility model, the inner wall of the limiting sleeve 7 is provided with a plurality of circumferential array clamping grooves 17, the outer surface of the pile foundation 6 is poured with a plurality of circumferential array concrete clamping plates 18 through concrete, and the plurality of concrete clamping plates 18 are respectively embedded in the plurality of clamping grooves 17.

[0030] A bridge pile foundation settlement deformation bearing structure, the working principle is as follows:

[0031] 1) when the installation of the bearing structure is needed, a plurality of grouting holes are first needed to be arranged in the foundation pit, at this time, the U-shaped steel plate 1 is installed in the foundation pit, and the plurality of limiting sleeves 7 are inserted into the plurality of grouting holes, and the locking plate 11 is locked on the ground through the locking pin 12.

[0032] 2) the concrete grout is injected into the grouting hole through the pouring hole 5 to form the pile foundation 6, and finally the pouring of the bearing base 2 is carried out in the U-shaped steel plate 1, the U-shaped steel plate 1 has sufficient strength and rigidity, and can effectively connect the plurality of pile foundations 6 into a whole.

[0033] 3) after the pouring of the bearing base 2 is completed, the pouring of the bridge support column 3 can be carried out on the top surface of the bearing base 2, and then the two support hoops 4 are locked on the bearing base 2 by using bolts, and the bridge support column 3 can be supported by the two support hoops 4.

[0034] To sum up, the bridge pile foundation settlement deformation bearing structure, when the need to carry out the installation of bearing structure, first need to open several grouting hole inside the foundation pit, at this time the U-shaped steel plate 1 is installed in the foundation pit, and several limiting sleeve 7 is inserted into several grouting hole inside, through the locking pin 12 locking plate 11 is locked on the ground, through the locking plate 11 can improve the stability of U-shaped steel plate 1, to a certain extent, can prevent the bearing structure subsidence, then through the pouring hole 5 to the grouting hole inside injection concrete slurry forms pile foundation 6, finally in the U-shaped steel plate 1 inside bearing base 2 pouring, U-shaped steel plate 1 has enough strength and stiffness, can effectively connect each pile foundation 6 into a whole, thereby enhancing the lateral displacement resistance of pile foundation, bearing base 2 pouring after completion, can be on the top surface of bearing base 2 pouring bridge support column 3, then use bolt two support hoop 4 is locked on the bearing base 2, and use bolt two support hoop 4 is locked together, at this time the limiting steel ring 9 will be inserted into two arc limiting groove 8 inside, can make the bridge support column 3 and two support hoop 4 connected more stable, through two support hoop 4 can support the bridge support column 3, can improve the stability of bridge support column 3.

Claims

1. A bridge pile foundation settlement deformation bearing structure, characterized in that: The utility model provides a bridge support column is provided with two symmetrical support hoops (4) on the top surface, and the inner wall of the support hoop (4) is combined with the bridge support column (3), and the support hoop (4) is connected through bolt fixation between two, the bottom surface of the U type steel sheet (1) is provided with a plurality of linear array pouring hole (5), the bottom surface of the bearing base (2) is poured with a plurality of linear array pile foundation (6), and a plurality of pile foundations (6) are perpendicular to the bearing base (2), and the top end of a plurality of pile foundations (6) is located in a plurality of pouring holes (5) respectively, the bottom surface of the U type steel sheet (1) is fixedly connected with a plurality of linear array limiting sleeve (7), the inner diameter of the limiting sleeve (7) is equal to the diameter of pouring hole (5), and the inner wall of the limiting sleeve (7) is combined with the outer surface of pile foundation (6).

2. The settlement and deformation load bearing structure of a bridge pile foundation according to claim 1, characterized in that: The inner wall of each support hoop (4) is provided with an arc limiting slot (8), the outer surface of the bridge support column (3) is fixedly connected with a limiting steel ring (9), and the two support hoops (4) are slidably connected with the limiting steel ring (9) through the arc limiting slot (8).

3. The bridge pile foundation settlement deformation bearing structure according to claim 2, characterized in that: The inner wall of the U type steel sheet (1) is fixedly connected with a plurality of symmetrically arranged connecting steel columns (10), and a plurality of connecting steel columns (10) are poured in the bearing base (2) by concrete.

4. The bridge pile foundation settlement deformation bearing structure according to claim 3, characterized in that: The left and right sides of the U type steel sheet (1) are fixedly connected with locking plates (11), the inner side of each locking plate (11) is slidably connected with two symmetrically arranged locking pins (12), and the bottom surface of each locking plate (11) is fixedly connected with a plurality of linear array anti-skid nails (13).

5. The settlement and deformation load bearing structure of a bridge pile foundation according to claim 4, characterized in that: The bottom surface of the U type steel sheet (1) is fixedly connected with a plurality of linear array reinforcing cross plates (14), and the bottom surface of the U type steel sheet (1) is fixedly connected with a plurality of linear array reinforcing longitudinal plates (15), and a plurality of reinforcing cross plates (14) and a plurality of reinforcing longitudinal plates (15) are staggered.

6. The bridge pile foundation settlement deformation bearing structure according to claim 5, characterized in that: The inner wall of the U type steel sheet (1) is fixedly connected with two symmetrically arranged arc protrusions (16), and the outer surfaces of the two arc protrusions (16) are combined with the bottom surface of the bearing base (2).

7. The bridge pile foundation settlement deformation bearing structure according to claim 6, characterized in that: The inner wall of the limiting sleeve (7) is provided with a plurality of circumferential array clamping grooves (17), and the outer surface of the pile foundation (6) is poured with a plurality of circumferential array concrete clamping plates (18), and a plurality of concrete clamping plates (18) are embedded in a plurality of clamping grooves (17) respectively.

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