CN214783822U

CN214783822U - Underwater pile foundation

Info

Publication number: CN214783822U
Application number: CN202120207380.1U
Authority: CN
Inventors: 郁峰; 俞明; 朱坚磊; 沈颖; 王朦
Original assignee: Hengyuan Construction Holding Group Co ltd
Current assignee: Hengyuan Construction Holding Group Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-19
Anticipated expiration: 2031-01-25

Abstract

The application relates to an underwater pile foundation, which comprises a pile foundation and a pile body, wherein the pile foundation is fixed on the water bottom, and the upper end of the pile body is higher than the horizontal plane; the pile body is a hollow cylinder, and a steel bar assembly is arranged on the inner side of the pile body; pile body periphery side is encircleed and is fixed with the reinforcing wall, and the resistance to compression mechanism who is used for improving the pile foundation steadiness is installed to the periphery side of reinforcing wall, and resistance to compression mechanism is including setting up in the first resistance to compression subassembly that is close to horizontal plane department and setting up the second resistance to compression subassembly in aqueous. The utility model provides an underwater pile foundation can reduce the impact force of rivers, is favorable to improving the steadiness of underwater pile foundation and the security of construction.

Description

Underwater pile foundation

Technical Field

The application relates to a building pile foundation technical field especially relates to a pile foundation under water.

Background

Compared with the pile foundation structure of the land building, the pile foundation structure of the underwater building needs to bear larger load, such as the acting force formed by wind load, wave, earthquake or tsunami on the pile foundation, so that the pile foundation structure of the underwater building needs to have larger pulling resistance and overturning resistance, and the stability of the pile foundation of the underwater building is improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the steadiness of pile foundation under water, this application provides a pile foundation under water.

The application provides a pair of pile foundation under water adopts following technical scheme:

an underwater pile foundation comprises a pile foundation and a pile body, wherein the pile foundation is fixed on the water bottom, and the upper end of the pile body is higher than the horizontal plane; the pile body is a hollow cylinder, and a steel bar assembly is arranged on the inner side of the pile body; pile body periphery side is encircleed and is fixed with the reinforcement wall, the resistance to compression mechanism who is used for improving the pile foundation steadiness is installed to the periphery side of reinforcement wall, resistance to compression mechanism is including setting up in the first resistance to compression subassembly that is close to horizontal plane department and setting up in the second resistance to compression subassembly of aquatic.

By adopting the technical scheme, the pile foundation bottom is fixed at the water bottom, after the steel bar assembly is arranged in the pile body, concrete is poured into the pile body, and the concrete is solidified to form an underwater pile foundation; the whole structural strength of the pile foundation is weak in the concrete solidification process, and the reinforcing wall is additionally arranged on the outer peripheral side of the pile body and can improve the structural strength of the pile foundation; the anti-pressure mechanism located on the outer peripheral side of the reinforcing wall can reduce the impact force of water flow, and therefore the stability of the underwater pile foundation and the safety of building construction are improved.

The pile body and the reinforcing wall close to the horizontal plane are subjected to more impact force of water flow on the reinforcing wall, and the first pressure-resistant assembly is arranged for weakening the impact force of the water flow and reducing the overturning moment acting on the pile foundation due to the water flow impact; the pile body and the reinforcing wall which are positioned in the water are subjected to more force from pressure of water bottom pressure, and the second pressure resisting assembly is arranged for weakening the pressure of the water bottom pressure on the reinforcing wall, so that the stability of the bottom of the pile foundation is improved.

Optionally, the first pressure-resistant assembly comprises a fixing cover fixed on the outer side of the reinforcing wall, and an opening is formed in one side of the fixing cover, which faces away from the reinforcing wall.

Through adopting foretell technical scheme, the setting of fixed cover is used for installing first resistance to compression subassembly, can reduce rivers direct impact in the possibility of first resistance to compression subassembly operating structure to the life of first resistance to compression subassembly is prolonged.

Optionally, the first pressure-resistant assembly includes a first pressure-bearing block and two force-releasing members, and both the force-releasing members are fixed to the reinforcing wall and located inside the fixing cover; each force unloading part is respectively connected to a first bearing block, and the first bearing blocks are exposed out of the openings of the fixed covers.

By adopting the technical scheme, the first bearing plate is exposed out of the opening of the fixed cover and is used for directly bearing the impact force of water flow; first bearing plate receives can turn into the energy of other forms through unloading the power part after the rivers impact to reduced the impact force that transmits to the pile body by the gusset wall, helped weakening the overturning moment that acts on the pile foundation because the rivers impact.

Optionally, the force unloading component comprises a hinge rod, a slide rail and a return spring; one end of the hinge rod is hinged to the first bearing block, and the other end of the hinge rod is hinged to the sliding block of the sliding rail; one end of the reset spring is fixed on the sliding block, and the other end of the reset spring is fixed on the side wall of the fixed cover; the axial direction of the reset spring is consistent with the extending direction of the slide rail.

Through adopting foretell technical scheme, when first bearing block receives water impact to the direction removal that is close to the reinforced wall, and the hinge bar can move and drive the slider along the slide rail to the direction that is close to fixed cover lateral wall along the bearing block, and then makes slider extrusion reset spring, reset spring can produce and hinder the elastic force that first bearing block is close to the reinforced wall, slows down the speed that first bearing block removed to being close to the reinforced wall direction, makes impact potential energy change into the internal energy and the elastic potential energy of first resistance to compression subassembly.

Optionally, a telescopic rod is fixed between the first bearing block and the reinforcing wall, and the axial direction of the telescopic rod and the axial direction of the return spring are perpendicular to each other.

By adopting the technical scheme, the telescopic rod can further limit the first pressure bearing plate to move towards the direction close to the reinforced wall, so that the impact resistance of the first pressure-resistant assembly is improved; in addition, the arrangement of the telescopic rod can also limit the moving direction of the first bearing block, so that the first bearing block can move along the axis direction of the telescopic rod.

Optionally, one side of the first bearing block, which faces away from the reinforcing wall, is set as an arc surface.

Through adopting foretell technical scheme, being provided with of cambered surface does benefit to and makes first bearing block bear the rivers impact force that comes from a plurality of directions, prolongs first bearing block's life.

Optionally, the second pressure-resisting assembly comprises a second pressure-bearing block and a compression spring; and a movable groove matched with the second bearing block is formed in the peripheral side of the reinforcing wall, and the compression spring is fixed between the second bearing block and the movable groove.

Through adopting foretell technical scheme, second bearing block passes through compression spring movable mounting in the activity groove, and the second bearing block can be under the effect of aquatic pressure normality extrusion compression spring, and the elastic force that compression spring produced can offset with the pressure part of aquatic pressure to weaken the pressure of submarine pressure to the reinforced wall, improve the steadiness of pile foundation bottom.

Optionally, an organ cover is fixed to an outer peripheral side of the compression spring.

Through adopting foretell technical scheme, the setting of organ cover is used for playing waterproof effect, can reduce rivers behind the activity groove and compression spring's when contact the corrosive action to compression spring, is favorable to prolonging compression spring's life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the reinforcing wall and the compression-resistant mechanism can reduce the impact force of water flow, and is beneficial to improving the stability of the underwater pile foundation and the safety of building construction;

2. the first pressure-resistant assembly close to the horizontal plane is used for weakening the impact force of water flow and reducing the overturning moment acting on the pile foundation due to water flow impact;

3. the second pressure resistant assembly located in the water is used for weakening the pressure of the water bottom pressure on the reinforcing wall, so that the stability of the bottom of the pile foundation is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a first compression resistant assembly in an embodiment of the present application;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an exploded view of a second compression resistant assembly in an embodiment of the present application.

Description of reference numerals: 1. a pile base; 2. a pile body; 21. a reinforcement assembly; 3. reinforcing the wall; 31. a movable groove; 4. a first compression resistant assembly; 41. a fixed cover; 411. an opening; 42. a first bearing block; 43. a telescopic rod; 431. a hollow shaft; 432. a solid bar; 433. a tension spring; 44. a force-releasing member; 441. a hinged lever; 442. a slide rail; 4421. a slider; 443. a return spring; 5. a second voltage resistant assembly; 51. a second bearing block; 52. a compression spring; 53. an organ cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pile foundation under water.

Referring to fig. 1, the underwater pile foundation comprises a pile base 1 and a pile body 2, wherein the pile base 1 is fixed in a water bottom soil layer, the pile body 2 is fixed at the upper end of the pile base 1, and the upper end of the pile body 2 is higher than the horizontal plane; the pile body 2 is a hollow cylinder, a steel bar component 21 is arranged in the pile body 2, the steel bar component 21 comprises a plurality of steel bars, and all the steel bars are fixed on the inner peripheral side of the pile body 2 in a surrounding manner; by injecting concrete into the pile body 2, the concrete and the reinforcing steel bars are solidified and formed to form the underwater pile foundation.

Referring to fig. 1, a reinforcing wall 3 is circumferentially arranged on the outer circumferential side of a pile body 2, and the reinforcing wall 3 is fixed to a pile foundation 1; the reinforcing wall 3 in the embodiment of the present application is a prism; the compression-resistant mechanism is arranged on the outer peripheral side of the reinforcing wall 3 and used for improving the stability of the underwater pile foundation; the pressure-resistant mechanism comprises a plurality of groups of first pressure-resistant assemblies 4 and a plurality of groups of second pressure-resistant assemblies 5, wherein the first pressure-resistant assemblies 4 are arranged in the area, close to the horizontal plane, outside the reinforced wall 3 and used for weakening the water flow impact force on the surface of the water body; the second pressure resisting assembly 5 is arranged outside the reinforced wall 3 and in the water, and is used for weakening the pressure of the water bottom pressure on the reinforced wall 3.

Referring to fig. 2, the first compression assembly 4 includes a fixed housing 41, a first bearing block 42, a telescopic rod 43, and two sets of force-discharging members 44, each force-discharging member 44 including a hinge rod 441, a slide rail 442, and a return spring 443; the two sliding rails 442 are fixed on the outer side of the reinforced wall 3, and the two sliding rails 442 are located on the same horizontal line; the two hinge rods 441 are respectively hinged to the sliding blocks 4421 of the two sliding rails 442, and one ends of the two hinge rods 441, which are away from the sliding blocks 4421, are hinged to one side of the first bearing block 42, which is close to the reinforcing wall 3.

Referring to fig. 2, the fixing cover 41 is fixed to the outside of the reinforcing wall 3, and the fixing cover 41 covers the slide rail 442 and the hinge rod 441; the two return springs 443 are respectively fixed between the slider 4421 and the side wall of the fixed cover 41, and the axial direction of the return springs 443 coincides with the extending direction of the slide rail 442; the return spring 443 has a force that causes the two sliders 4421 to approach each other in a normal state, and further causes the first bearing block 42 to move in a direction away from the side wall of the reinforcing wall 3; an opening 411 matched with the first bearing block 42 is formed in one side, away from the reinforcing cover, of the fixed cover 41, and the first bearing block 42 is normally exposed under the acting force of the return spring 443, passes through the opening 411 and is partially exposed out of the fixed cover 41 to bear the impact of water flow; one side of the first pressure bearing block 42 departing from the reinforcing wall 3 is provided with an arc surface, which is beneficial to prolonging the service life of the first pressure bearing block 42.

Referring to fig. 2 and 3, the telescopic rod 43 is fixed between the first bearing block 42 and the reinforcing wall 3, and the telescopic rod 43 includes a hollow rod 431, a solid rod 432 and a telescopic spring 433; the hollow rod 431 is vertically fixed to the reinforcing wall 3, and the axial direction of the hollow rod 431 and the axial directions of the two return springs 443 are perpendicular to each other; the solid rod 432 is vertically fixed on one side of the first bearing block 42 facing the reinforced wall 3, and the solid rod 432 is sleeved in the hollow rod 431; a telescopic spring 433 is located inside the hollow rod 431 and abuts against the solid rod 432; the telescopic rod 43 can help to weaken the impact force of the water flow and can limit the moving direction of the first bearing block 42.

Referring to fig. 4, the second pressure resisting assembly 5 includes a second pressure bearing block 51 and a compression spring 52; the region of the reinforcing wall 3 in the water is provided with a movable groove 31 matched with the second bearing block 51, and a compression spring 52 is arranged at the bottom of the movable groove 31; the second bearing block 51 is movably installed in the movable groove 31 through the compression spring 52, the pressure intensities at different water depths are different, when the water pressure intensity acts on the second bearing block 51, the second bearing block 51 moves towards the direction close to the bottom of the movable groove 31, the elastic force generated by the compression of the compression spring 52 can be partially offset with the water pressure, and therefore the stability of the pile base 1 is improved.

Referring to fig. 4, an organ cover 53 is provided on an outer circumferential side of the compression spring 52, and both sides of the organ cover 53 are fixed to the second bearing block 51 and the bottom of the movable groove 31, respectively; the organ cover 53 can reduce corrosion of the compression spring 52 caused by water flowing into the movable groove 31, and is beneficial to prolonging the service life of the compression spring 52.

The embodiment of the application provides an implementation principle of an underwater pile foundation:

when water flow impacts on the first pressure-bearing block 42, the first pressure-bearing block 42 moves towards the direction close to the reinforcing wall 3, so that the two hinged rods 441 respectively drive the two sliding blocks 4421 to move towards the directions deviating from each other, the sliding blocks 4421 can compress the return spring 443, the return spring 443 generates elastic force which hinders the first pressure-bearing block 42 from approaching the reinforcing wall 3, the speed of the first pressure-bearing block 42 moving towards the direction close to the reinforcing wall 3 is reduced, impact potential energy is converted into internal energy and elastic potential energy of the first pressure-resisting component 4, and the overturning moment acting on a pile foundation due to water flow impact is reduced.

The second bearing block 51 normally presses the compression spring 52 under the action of the pressure in the water, and the elastic force generated by the compression spring 52 can partially offset the pressure of the pressure in the water, so that the pressure of the water bottom pressure on the reinforcing wall 3 is weakened, and the stability of the pile foundation 1 is improved.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An underwater pile foundation comprises a pile base (1) and a pile body (2), wherein the pile base (1) is used for being fixed on the water bottom, and the upper end of the pile body (2) is higher than the horizontal plane; pile body (2) are hollow cylinder, reinforcing bar subassembly (21), its characterized in that are installed to pile body (2) inboard: pile shaft (2) periphery side is encircleed and is fixed with reinforcing wall (3), the resistance to compression mechanism who is used for improving the pile foundation steadiness is installed to the periphery side of reinforcing wall (3), resistance to compression mechanism is including setting up in first resistance to compression subassembly (4) near horizontal plane department and setting up second resistance to compression subassembly (5) in aqueous.

2. An underwater pile foundation as claimed in claim 1 wherein: the first pressure-resistant assembly (4) comprises a fixed cover (41) fixed to the outer side of the reinforcing wall (3), and an opening (411) is formed in one side, deviating from the reinforcing wall (3), of the fixed cover (41).

3. An underwater pile foundation as claimed in claim 2 wherein: the first pressure-resistant assembly (4) comprises a first pressure-bearing block (42) and two force-discharging parts (44), and the two force-discharging parts (44) are fixed on the reinforced wall (3) and positioned inside the fixed cover (41); each force unloading part (44) is connected to a first bearing block (42), and the first bearing blocks (42) are exposed out of the openings (411) of the fixing covers (41).

4. An underwater pile foundation as claimed in claim 3 wherein: the force unloading component (44) comprises a hinged rod (441), a sliding rail (442) and a return spring (443); one end of the hinge rod (441) is hinged to the first bearing block (42), and the other end of the hinge rod is hinged to a sliding block (4421) of the sliding rail (442); one end of the return spring (443) is fixed on the sliding block (4421), and the other end of the return spring is fixed on the side wall of the fixed cover (41); the axial direction of the return spring (443) coincides with the extension direction of the slide rail (442).

5. An underwater pile foundation as claimed in claim 4 wherein: an expansion rod (43) is fixed between the first bearing block (42) and the reinforcing wall (3), and the axial direction of the expansion rod (43) is perpendicular to the axial direction of the return spring (443).

6. An underwater pile foundation as claimed in claim 3 wherein: one side of the first bearing block (42) departing from the reinforcing wall (3) is set to be an arc surface.

7. An underwater pile foundation as claimed in claim 1 wherein: the second pressure resisting assembly (5) comprises a second bearing block (51) and a compression spring (52); the outer peripheral side of the reinforcing wall (3) is provided with a movable groove (31) matched with the second bearing block (51), and the compression spring (52) is fixed between the second bearing block (51) and the movable groove (31).

8. An underwater pile foundation as claimed in claim 7 wherein: an organ cover (53) is fixed to the outer peripheral side of the compression spring (52).