CN220246654U - Assembled single column pier - Google Patents

Abstract

The utility model discloses an assembled single-column pier, which comprises two U-shaped thin-wall piers, wherein U-shaped openings of the two U-shaped thin-wall piers are oppositely arranged, the side walls of the two U-shaped thin-wall piers are connecting arms, two corresponding connecting arms are connected through post-cast concrete, and splicing surfaces of the two corresponding connecting arms are attached. The beneficial effects of the utility model are as follows: the U-shaped thin wall is prefabricated in a factory, so that raw materials are saved, the construction period is shortened, and the two U-shaped thin wall piers are integrally formed through post-cast concrete, so that the structural strength of the single pier is guaranteed, and the reliability of the single pier is improved.

Description

Assembled single column pier

Technical Field

The utility model relates to an independent pier, in particular to an assembled independent pier.

Background

The bridge pier mainly comprises a top cap or a cap beam and a pier body. The abutment is mainly composed of a top cap and an abutment body. The cap or the cap beam is used for dispersing and evenly transmitting the larger concentrated force transmitted by the bridge span support to the pier body and the abutment body, so that the cap has higher strength requirement. In addition, the top cap and the cap beam have larger plane dimensions, and provide necessary working surfaces for construction of the frame beam and maintenance. The pier body and the abutment body are main structures for supporting the bridge span, not only bear all loads transmitted by the bridge span structure, but also directly bear various loads such as soil pressure, water flow impact force, ice pressure, ship impact force and the like, so that the pier body and the abutment body have enough strength, rigidity and stability.

The pier column can be divided into a thin-wall pier, a flexible pier, a column pier and a pile pier, and the existing thin-wall pier reinforced concrete thin-wall pier, a double-wall pier and a V-shaped pier are three, so that the pier column has the advantages of saving materials, reducing the dead weight of the pier, increasing the rigidity of the pier, reducing the hogging moment of a girder fulcrum, and connecting the two thin-wall piers together by adopting an arc-shaped connecting bolt.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an assembled single column pier.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an assembled single column mound, includes two U-shaped thin wall mounds, and the U-shaped opening of two U-shaped thin wall mounds sets up relatively, and the lateral wall of two U-shaped thin wall mounds is the linking arm, and two corresponding linking arms are connected through post cast concrete, and the concatenation face laminating of two corresponding linking arms.

Optionally, the contact area of the connecting arm is a step structure, the two corresponding step structures form a groove, and the corresponding groove is filled with post-cast concrete.

Optionally, a plurality of first pre-buried stirrups and a plurality of second pre-buried stirrups have been pre-buried on the linking arm, a plurality of first pre-buried stirrups longitudinal interval sets up and a plurality of second pre-buried stirrups all longitudinal interval sets up, and first pre-buried stirrups closely laminate with the second pre-buried stirrups that corresponds, and on the projection face at linking arm top, first pre-buried stirrups are perpendicular with the pre-buried stirrups of second, a corner of first pre-buried stirrups is located step structure, two corners of the pre-buried stirrups of second are located the inboard of U-shaped thin wall mound.

Optionally, a plurality of second stirrups are buried in the post-cast concrete, and a plurality of second stirrups are longitudinally arranged at intervals, and are positioned at the outer side of the groove.

Optionally, a plurality of first stirrups are buried in the post-cast concrete, the longitudinal intervals of a plurality of first stirrups are set up, and part of first stirrups are located in the recess.

Optionally, the post-cast concrete is further internally and longitudinally embedded with a longitudinal connecting rib, and on a projection surface at the top of the connecting arm, the junction of the first pre-embedded stirrup and the first stirrup is connected through the longitudinal connecting rib, and the junction of the second pre-embedded stirrup and the second stirrup is connected through the longitudinal connecting rib.

Optionally, the first pre-embedded stirrup, the second pre-embedded stirrup, the first stirrup and the second stirrup are rectangular steel bars.

The utility model has the following advantages: the assembled single-column pier adopts the prefabricated U-shaped thin wall in a factory, thereby saving raw materials, shortening the construction period, forming a whole by post-pouring concrete, further ensuring the structural strength of the single-column pier and improving the use reliability of the single-column pier.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is a schematic view of the installation of a cage;

FIG. 4 is a schematic illustration of the first and second embedded stirrups embedded in a U-shaped thin-walled pier;

in the figure, a 10-U-shaped thin-wall pier, a 20-groove, a 21-step structure, 30-post-cast concrete, 11-connecting arms, 12-first pre-embedded stirrups, 13-second pre-embedded stirrups, 14-first stirrups, 15-second stirrups and 16-longitudinal connecting ribs.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the assembled single-column pier comprises two U-shaped thin-wall piers 10, the U-shaped openings of the two U-shaped thin-wall piers 10 are oppositely arranged, the side walls of the two U-shaped thin-wall piers 10 are connecting arms 11, the two corresponding connecting arms 11 are connected through post-cast concrete 30, the splicing surfaces of the two corresponding connecting arms 11 are attached, the U-shaped thin-wall piers 10 are prefabricated in a mechanized flow operation mode in a factory, the U-shaped thin-wall piers 10 can be prefabricated in a supine mode, the manufacturing, the storage and the transportation are convenient, the two U-shaped thin-wall piers 10 are assembled into hollow components, the structural strength of the hollow components is guaranteed, 30% -40% of raw materials are saved, mechanical hoisting can be adopted during field installation, the field operation is less than 3 days, compared with the field operation time required by an original pier column cover beam, the field operation time is greatly shortened, the time of road traffic and the influence time is reduced, after the U-shaped thin-wall piers 10 are assembled, the post-cast concrete 30 is poured, the post-cast concrete 30 is connected together, and the structural strength of the single-column pier is guaranteed.

In this embodiment, as shown in fig. 3 and fig. 4, the inner side of the end portion of the connecting arm 11 is a contact area, the contact area is set to be a step structure 21, two corresponding step structures 21 form a groove 20, the post cast concrete 30 fills the corresponding groove 20, further, as shown in fig. 2, fig. 3 and fig. 4, a plurality of first embedded stirrups 12 and a plurality of second embedded stirrups 13 are embedded in the connecting arm 11, the plurality of first embedded stirrups 12 are longitudinally arranged at intervals, the plurality of second embedded stirrups 13 are longitudinally arranged at intervals, the plurality of first embedded stirrups 12 are closely attached to the corresponding second embedded stirrups 13, on the projection surface at the top of the connecting arm 11, the first embedded stirrups 12 are perpendicular to the second embedded stirrups 13, one corner of the first embedded stirrups 12 is located in the step structure 21, two corners of the second stirrups 13 are located at the inner side of the U-shaped thin-wall concrete pier 10, after the post cast concrete 30 is cast into shape, a part of the first embedded stirrups 12 and a part of the second embedded stirrups 13 are cast into the post cast concrete pier 30, and further, the performance of the post cast concrete pier 30 and the connection with the U-shaped thin-wall pier 10 is increased.

In this embodiment, as shown in fig. 2 and 3, a plurality of second stirrups 15 are buried in the post-cast concrete 30, the plurality of second stirrups 15 are longitudinally arranged at intervals, and the plurality of second stirrups 15 are located at the outer side of the groove 20, after the U-shaped thin-wall pier 10 is lifted, an outer formwork is then built, a cavity between the outer formwork and the connecting arm 11 forms a cavity for casting the post-cast concrete 30, after casting the post-cast concrete 30 is finished, the second stirrups 15 are buried in the post-cast concrete 30, further, a plurality of first stirrups 14 are buried in the post-cast concrete 30, a plurality of first stirrups 14 are longitudinally arranged at intervals, and part of the first stirrups 14 are located in the groove 20, and similarly, after casting the post-cast concrete 30 is finished, the first stirrups 14 are buried in the post-cast concrete 30.

In this embodiment, as shown in fig. 2 and fig. 3, in order to increase the connection performance between the post-cast concrete 30 and the U-shaped thin-wall pier 10, the first stirrup 14 and the second stirrup 15 are also conveniently bundled, the post-cast concrete 30 is further internally and longitudinally embedded with the longitudinal connecting rib 16, on the projection plane at the top of the connecting arm 11, the junction of the first pre-cast stirrup 12 and the first stirrup 14 is connected by the longitudinal connecting rib 16, the junction of the second pre-cast stirrup 13 and the second stirrup 15 is connected by the longitudinal connecting rib 16, preferably, the longitudinal connecting rib 16 is welded with the corresponding first stirrup 14, second pre-cast stirrup 13 and second stirrup 15, so that the first pre-cast stirrup 12, the second pre-cast stirrup 13 and the second stirrup 15 form an integral steel reinforcement cage through the longitudinal connecting rib 16, and after the post-cast concrete 30 is cast, the connection performance between the post-cast concrete 30 and the U-shaped thin-wall pier 10 is improved.

In this embodiment, the first pre-buried stirrup 12, the second pre-buried stirrup 13, the first stirrup 14 and the second stirrup 15 are rectangular reinforcing bars, and then make the first pre-buried stirrup 12, the second pre-buried stirrup 13, the first stirrup 14 and the second stirrup 15 make conveniently.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. An assembled single column mound, its characterized in that: the novel concrete post-pouring device comprises two U-shaped thin-wall piers, wherein U-shaped openings of the two U-shaped thin-wall piers are oppositely arranged, side walls of the two U-shaped thin-wall piers are connecting arms, the two connecting arms are connected through post-pouring concrete, the splicing faces of the connecting arms are attached, the contact area of the connecting arms is of a step structure, grooves are formed by the two corresponding step structures, and the post-pouring concrete is filled in the grooves.

2. A fabricated single pier according to claim 1, wherein: the connecting arm is embedded with a plurality of first embedded stirrups and a plurality of second embedded stirrups, a plurality of first embedded stirrups longitudinal interval sets up and a plurality of second embedded stirrups all longitudinal interval sets up, just first embedded stirrups closely laminate with the second embedded stirrups that corresponds, and be in on the projection face at connecting arm top, first embedded stirrups with second embedded stirrups are perpendicular, a corner of first embedded stirrups is located in the step structure, two corners of second embedded stirrups are located the inboard of U-shaped thin wall mound.

3. A fabricated single pier according to claim 2, wherein: a plurality of second stirrups are buried in the post-cast concrete, a plurality of second stirrups are longitudinally arranged at intervals, and a plurality of second stirrups are positioned on the outer side of the groove.

4. A fabricated single pier according to claim 3, wherein: the post-cast concrete is internally embedded with a plurality of first stirrups, a plurality of first stirrups are longitudinally arranged at intervals, and part of the first stirrups are positioned in the grooves.

5. A fabricated single pier according to claim 4, wherein: the post-cast concrete is characterized in that a longitudinal connecting rib is further longitudinally buried in the post-cast concrete, on a projection surface at the top of the connecting arm, the junction of the first pre-embedded stirrup and the first stirrup is connected through the longitudinal connecting rib, and the junction of the second pre-embedded stirrup and the second stirrup is connected through the longitudinal connecting rib.

6. A fabricated single pier according to claim 5, wherein: the first embedded stirrup, the second embedded stirrup, the first stirrup and the second stirrup are rectangular steel bars.