CN220013349U

CN220013349U - Pile connecting column and bridge

Info

Publication number: CN220013349U
Application number: CN202321029607.3U
Authority: CN
Inventors: 单清云; 林建明; 邱吉; 唐文伟; 张波
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-14
Anticipated expiration: 2033-04-28

Abstract

The utility model provides a pile connecting column which is used for a bridge and comprises a pile matrix and a metal pier column. The metal pier column extends along the height direction of the pile foundation body, and the lower end of the metal pier column penetrates through the pile base body and is fixedly connected with the pile foundation body. The pile connecting column saves cost, shortens construction period, reduces construction difficulty and reduces the influence of construction occupied area on society.

Description

Pile connecting column and bridge

Technical Field

The present utility model relates generally to the field of construction technology, and more particularly to a pile-connecting column and a bridge.

Background

At present, a bridge pile foundation structure adopted by a rubber-tyred tramcar is shown in fig. 1, and comprises a pile foundation 100, a bearing platform 101 and a pier 102. This is the structural style that current majority bridge adopted, however, because the adoption cushion cap connects pile foundation and pier, has following defect:

(1) The bearing platform is large in size, high in cost and long in construction period of pouring the bearing platform;

(2) The adoption of the bearing platform often relates to deep foundation pit construction, and the construction requirement is high;

(3) The bearing platform occupies large area of the field and has great influence on society.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above-mentioned problems, a first aspect of the present utility model provides a stake for a bridge, characterized in that,

the stake post includes:

a pile matrix; and

the metal pier column extends along the height direction of the pile foundation body, and the lower end of the metal pier column penetrates through the pile foundation body and is fixedly connected with the pile foundation body.

According to the pile connecting column provided by the first aspect of the utility model, the metal pier column penetrates through the pile matrix and is connected to the bridge, and the bearing requirement can be met without arranging a bearing platform, so that the occupied area can be reduced, the construction requirement is reduced, and the construction period is shortened.

Optionally, the pile foundation body includes first section of pouring, second section of pouring and third section of pouring, first section of pouring the second section of pouring and third section of pouring are arranged in order along the direction of height, the lower extreme of metal pier stud wears to establish to the third section of pouring.

Optionally, the pile foundation structure further comprises a steel bar assembly, the steel bar assembly comprises longitudinal bars and stirrups, the stirrups are arranged in the first pouring section, the longitudinal bars are arranged in the pile foundation body and extend along the height direction of the pile foundation body, one ends of the longitudinal bars are connected to the stirrups, and the other ends of the longitudinal bars are fixed relative to the metal pier column.

Optionally, the longitudinal ribs are a plurality of, and the longitudinal ribs are arranged at intervals along the circumferential direction of the pile matrix.

Optionally, the steel bar assembly further comprises hoops and connecting bars arranged in the pile foundation body, the hoops extend circumferentially around the pile foundation body, and the hoops are connected to the longitudinal bars; one end of the connecting rib is connected to the side wall of the metal pier column, and the other end of the connecting rib is connected to the longitudinal rib.

Optionally, the number of the hoops is multiple, and the hoops are distributed at intervals along the height direction of the pile foundation body; the hoop is arranged on the second pouring section and the third pouring section.

Optionally, the stirrup is followed the axis spiral of pile foundation body sets up around, the stirrup with each indulge the muscle is connected.

Optionally, the device further comprises an anchor bolt, wherein the lower end of the anchor bolt is penetrated into the second pouring section, and the upper end of the anchor bolt is penetrated into the third pouring section.

Optionally, the metal pier is provided with a bracket, the bracket is provided with a guide hole for being matched with the anchor bolt, the anchor bolt passes through the guide hole, and the anchor bolt is provided with a fastener for fixing the anchor bolt and the guide hole.

Optionally, the anchor bolt is provided with at least two fasteners, the fasteners are sleeved to the anchor bolt and are in threaded connection with the anchor bolt, and the bracket is located between the fasteners.

Optionally, the metal pier stud is provided with a plurality of pegs, the pegs are uniformly distributed to the side wall of the metal pier stud, and the pegs are positioned inside the third pouring section; and/or

The second pouring section is provided with a reserved pore canal, and a shear key is arranged in the reserved pore canal.

Optionally, the anti-collision pier is sleeved to the metal pier column and connected to the side wall of the metal pier column, and the anti-collision pier is connected to the top surface of the third pouring section; the outer diameter of the anti-collision pier is smaller than the diameter of the pile matrix.

A second aspect of the utility model provides a bridge comprising a stake according to the preceding description.

According to the bridge of the second aspect of the utility model, the pile matrix, the steel bar assembly and the steel pier column are integrally connected by adopting a three-section pouring mode, so that the setting of a bearing platform is canceled, the cost is saved, the construction difficulty is reduced, and the construction occupied area and the influence of construction on society are reduced.

Drawings

The following drawings of embodiments of the present utility model are included as part of the utility model. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model. In the drawings of which there are shown,

FIG. 1 is a schematic diagram of a conventional bridge pile foundation;

FIG. 2 is a schematic view of a stake according to a preferred embodiment of the utility model;

FIG. 3 is a top view of the staking post of FIG. 2; and

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Description of the reference numerals

100: pile foundation 101: bearing platform

102: bridge pier 110: pile matrix

111: first casting segment 112: second casting section

113: third casting section 114: reserved duct

120: metal pier stud 121: peg nail

122: shear key 123: bracket

124: mounting plate 125: reinforcing rib

126: guide hole 130: reinforcing bar subassembly

131: longitudinal ribs 132: stirrup

133: hoop 134: connecting rib

140: anchor bolt 141: fastening piece

150: crashproof mound Z: height direction

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that embodiments of the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the embodiments of the utility model.

Herein, ordinal words such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".

In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used merely to indicate relative positional relationships between the relevant portions, and do not limit the absolute positions of the relevant portions.

Herein, "equal," "same," etc. are not strictly mathematical and/or geometric limitations, but also include deviations that may be appreciated by those skilled in the art and allowed by fabrication or use, etc.

Unless otherwise indicated, numerical ranges herein include not only the entire range within both of its endpoints, but also the several sub-ranges contained therein.

Fig. 2 to 4 illustrate a stake according to the present utility model for a bridge, which includes a stake body 110, a metal pier 120 and a reinforcing bar assembly 130. The pile matrix 110 includes a first casting section 111, a second casting section 112, and a third casting section 113, and the first casting section 111, the second casting section 112, and the third casting section 113 are sequentially arranged along the height direction Z. The metal pier 120 extends along the height direction Z of the pile body 110, and the lower end of the metal pier 120 is penetrated to the third pouring section 113 and fixedly connected with the third pouring section 113. The upper end of the metal pier 120 is used for connection to the bridge body of the bridge. The reinforcement assembly 130 includes a longitudinal bar 131 and a stirrup 132, the stirrup 132 is disposed in the first casting section 111, the longitudinal bar 131 is disposed in the pile base 110 and extends along the height direction Z of the pile base 110, and one end of the longitudinal bar 131 is connected to the stirrup 132, and the other end is fixed relative to the metal pier 120.

According to the pile connecting column, the metal pier 120 penetrates through the third pouring section 113 and is connected with the pile matrix 110 in a pouring mode, the steel bar assembly 130 is arranged in the pile matrix 110 and is connected with the metal pier 120, so that connection between the metal pier 120 and the pile matrix 110 is reinforced, a bridge can be effectively borne by the metal pier 120 and the pile matrix 110, bearing requirements can be met without arranging the bearing platform 101, occupied area can be reduced, construction requirements are reduced, and construction period is shortened.

In particular, to rebar assembly 130. Referring to fig. 2 and 3, the plurality of longitudinal ribs 131 are provided, and the plurality of longitudinal ribs 131 are arranged at intervals along the circumferential direction of the pile body 110, so that each portion of the pile body 110 along the circumferential direction is reinforced by the longitudinal ribs 131.

Further, referring to fig. 1, the reinforcing bar assembly 130 further includes hoops 133 and connecting bars 134 provided in the pile body 110, the hoops 133 extending circumferentially around the pile body 110, each longitudinal bar 131 being provided inside the hoops 133, and the hoops 133 being connected to each longitudinal bar 131. While one end of the connecting rib 134 is connected to the sidewall of the metal pier stud 120 and the other end is connected to the longitudinal rib 131. The arrangement of the hoops 133 allows the longitudinal ribs 131 to be connected to each other, so that a plurality of portions of the pile body 110 along the circumferential direction are connected to each other, thereby further enhancing the structural strength of the pile body 110. The arrangement of the connecting ribs 134 makes each longitudinal rib 131 connected with the side wall of the metal pier stud 120, so that the metal pier stud 120 is effectively connected with the inner part of the pile foundation body 110 everywhere, and the connection between the metal pier stud 120 and the pile foundation body 110 is enhanced.

Optionally, the number of hoops 133 is plural, and the hoops 133 are spaced apart along the height direction Z of the pile foundation body 110. Hoops 133 are provided to the second casting section 112 and the third casting section 113. The arrangement of the hoops 133 makes the pile base 110 have a plurality of connection points of longitudinal ribs 131 along the height direction Z of the pile base 110, so as to enhance the bearing performance of the pile base 110 along the height direction Z.

Further, stirrups 132 are arranged spirally around the axis of the pile base 110, and the stirrups 132 are connected to the respective longitudinal bars 131. The stirrup 132 sets up for indulge muscle 131 and the bottom of stake base member 110 have a plurality of tie points of evenly laying, have further strengthened the joint strength between indulge muscle 131 and the pile foundation body 110, have promoted the bearing capacity of stake base member 110.

Further, the pile-connecting column according to the present utility model further comprises an anchor bolt 140, the lower end of the anchor bolt 140 is penetrated into the second casting section 112, and the upper end of the anchor bolt 140 is penetrated into the third casting section 113. The arrangement of the anchor rods further strengthens the connection between the second pouring section 112 and the third pouring section 113, and improves the shearing resistance and the bearing performance of the pile matrix 110.

As shown in connection with fig. 4, the metal pier 120 is provided with brackets 123, and the brackets 123 include mounting plates 124 and reinforcing ribs 125. The mounting plate 124 is horizontally disposed and one side edge of the mounting plate 124 is connected to the sidewall of the metal pier 120. The reinforcing rib 125 is vertically disposed, and one side edge of the reinforcing rib 125 is connected to the sidewall of the metal pier 120, and the bottom edge of the reinforcing rib 125 is connected to the top surface of the mounting plate 124. The mounting plate 124 is provided with guide holes 126 for mating with anchors 140. The anchor 140 passes through the guide hole 126. Specifically, after the strength of the second casting section 112 meets the requirement, the metal pier 120 is matched with the anchor bolt 140 through the guide hole 126 of the mounting plate 124, so as to guide the metal pier 120 to be hoisted to the top surface of the second casting section 112. And anchor 140 is provided with fasteners 141 to secure metallic pier stud 120 relative to second casting section 112 prior to casting of third casting section 113.

In detail, the anchor bolt 140 is provided with at least two fasteners 141, the fasteners 141 are sleeved to the anchor bolt 140 and are threadedly coupled with the anchor bolt 140, and the bracket 123 is positioned between the fasteners 141. When the fastener 141 is screwed, the bracket 123 is abutted by the fastener 141, so that the metal pier 120 is fixed relative to the second pouring section 112, and the metal pier 120 is installed before the third pouring section 113 is poured, so that the operation is convenient.

Optionally, the second casting section 112 is provided with a reserved duct 114 when casting, and shear keys 122 are provided in the reserved duct 114, thereby improving the shear performance of the pile matrix 110 (especially between the second casting section 112 and the third casting section 113).

Optionally, the metal pier 120 is provided with a plurality of pegs 121, the pegs 121 are uniformly distributed to the side wall of the metal pier 120, and the pegs 121 are located inside the third casting segment 113, thereby reinforcing the connection strength between the metal pier 120 and the third casting segment 113.

Optionally, the staking post according to the present utility model further includes an anti-collision pier 150, the anti-collision pier 150 is sleeved to the metal pier 120 and connected to an outer sidewall of the metal pier 120, and the anti-collision pier 150 is connected to a top surface of the third casting section 113. The anti-collision pier 150 can protect the bottom of the metal pier 120 and reduce the infiltration of water between the metal pier 120 and the pile foundation 110. In addition, the outer diameter of the crashproof pier 150 is smaller than the diameter of the pile foundation body 110, which is beneficial to reducing the occupied area of the crashproof pier 150 and reducing the social influence of the crashproof pier 150.

The utility model also provides a construction method of the pile connecting column, which comprises the following steps:

s1, arranging and fixing stirrups 132 and longitudinal ribs 131;

s2, pouring a first pouring section 111, performing overpouring on the first pouring section 111, breaking pile head concrete of the first pouring section 111 after the first pouring section 111 reaches the design strength, and performing roughening treatment after the pile head concrete is inspected to be qualified;

s3, installing a hoop 133, embedding an anchor bolt 140, arranging a reserved pore canal 114, and performing secondary pouring after the anchor bolt is inspected to be qualified to form a second pouring section 112;

s4, after the second pouring section 112 reaches the design strength, mounting the metal pier 120 and the shear key 122, and pouring concrete after the metal pier is inspected to be qualified to form a third pouring section 113;

s5, after the third pouring 113 section reaches the design strength, the formwork pouring anti-collision pier 150 is supported, and the construction is completed after the inspection is qualified.

Further, in S3, the hoops 133 are fitted to the longitudinal ribs 131 and arranged in the height direction Z, and then the hoops 133 are welded to the longitudinal ribs 131.

Further, in S4, the metal pier 120 is hoisted above the second pouring section 112 and the metal pier 120 is lowered, and in the process of lowering, each bracket 123 of the metal pier 120 is correspondingly sleeved to each anchor bolt 140 through the guide hole 126 until the metal pier 120 is lowered to a specified height, and then the metal pier 120 is fixed by the fastener 141, so that the installation of the metal pier 120 is completed.

The pile connecting column replaces the traditional pile foundation 100, bearing platform 101 and pier 102 structures, and the bearing platform 101 is prevented from being arranged. The cost is saved, the construction period is shortened, the construction difficulty is reduced, and the influence of the construction occupied area on society is reduced. In addition, the pile connecting column structure is stable and is suitable for construction of bridges. In particular, the pile connecting column is suitable for bridges of rubber-wheeled tram systems.

The utility model also provides a bridge, which comprises the pile connecting column. According to the bridge, the pile matrix, the steel bar assembly and the steel pier column are integrally connected in a three-section pouring mode, so that the setting of a bearing platform is canceled, the cost is saved, the construction difficulty is reduced, and the construction occupied area and the influence of construction on society are reduced.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present utility model has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the utility model, which variations and modifications are within the scope of the utility model as claimed.

Claims

1. A stake post for bridge, wherein, stake post includes:

a pile matrix; and

2. The staking post of claim 1, wherein said pile foundation body includes a first casting section, a second casting section and a third casting section, said first casting section, said second casting section and said third casting section being arranged in sequence in a height direction, a lower end of said metal pier being threaded to said third casting section.

3. The pile coupling column according to claim 2, further comprising a rebar assembly comprising a longitudinal rebar and a stirrup, the stirrup being disposed in the first casting section, the longitudinal rebar being disposed in the pile foundation body and extending in a height direction of the pile foundation body, and one end of the longitudinal rebar being connected to the stirrup, the other end being fixed relative to the metal pier column.

4. A pile coupling according to claim 3, wherein the plurality of longitudinal ribs are arranged at intervals along the circumference of the pile body.

5. The pile coupling column according to claim 4, wherein the rebar assembly further comprises hoops and ties disposed within the pile foundation body, the hoops extending circumferentially around the pile foundation body and being connected to each of the longitudinal ties; one end of the connecting rib is connected to the side wall of the metal pier column, and the other end of the connecting rib is connected to the longitudinal rib.

6. The pile-connecting column according to claim 5, wherein the number of hoops is plural, and the hoops are distributed at intervals along the height direction of the pile foundation body; the hoop is arranged on the second pouring section and the third pouring section.

7. A pile-receiving column according to claim 3, in which the stirrups are arranged helically around the axis of the pile foundation body, the stirrups being connected to the longitudinal bars.

8. A stake post according to claim 3, further comprising an anchor bolt, the lower end of the anchor bolt being threaded into the second casting section and the upper end of the anchor bolt being threaded into the third casting section.

9. The staking post of claim 8, wherein said metal abutment is provided with a bracket provided with a pilot hole for mating with said anchor bolt, said anchor bolt passing through said pilot hole, and said anchor bolt being provided with a fastener for securing said anchor bolt and said pilot hole.

10. A stake post according to claim 9, wherein the anchor bolt is provided with at least two of the fasteners which are sleeved to and threadedly connected with the anchor bolt with the bracket between the fasteners.

11. The staking post of claim 2, wherein said metal pier is provided with a plurality of pegs uniformly distributed to the side walls of said metal pier and said pegs are located inside said third casting section; and/or

12. The staking post of claim 2, further comprising an anti-collision pier sleeved to said metal pier post and connected to an outer sidewall of the metal pier post and connected to a top surface of said third casting section; the outer diameter of the anti-collision pier is smaller than the diameter of the pile matrix.

13. A bridge comprising a stake according to any one of claims 1 to 12.