CN211113137U - Assembled reinforced concrete pier - Google Patents
Assembled reinforced concrete pier Download PDFInfo
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- CN211113137U CN211113137U CN201920537929.6U CN201920537929U CN211113137U CN 211113137 U CN211113137 U CN 211113137U CN 201920537929 U CN201920537929 U CN 201920537929U CN 211113137 U CN211113137 U CN 211113137U
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Abstract
The utility model provides an assembled reinforced concrete pier, which comprises a hollow pier shell and cast-in-place core concrete arranged in the pier shell, wherein the pier shell comprises a concrete layer and a reinforcement cage, and the reinforcement cage is arranged inside the concrete layer; the steel reinforcement cage comprises a plurality of circumferential stirrup net pieces and a plurality of vertical steel reinforcements, wherein the circumferential stirrup net pieces are arranged at equal intervals in the vertical direction, and the vertical steel reinforcements are arranged at equal intervals along the circumferential stirrup net pieces. The utility model provides a light in weight, construction period are short, alleviate the transportation and hoist and mount degree of difficulty greatly, provide the assembly type reinforced concrete pier that the wholeness can be good after multiple construction approach and the structure shaping.
Description
Technical Field
The utility model relates to a bridge engineering field especially relates to an assembled reinforced concrete pier.
Background
The traditional bridge construction generally adopts two methods, namely a cast-in-place concrete construction method and a precast concrete construction method. The existing cast-in-place concrete construction mode is that vertical steel bars and stirrups are firstly bound at a construction site to form a steel reinforcement cage, then a template is set up by supporting around the cross section of a pier, concrete is poured, after the concrete is solidified to preset strength, the template around the pier is finally removed, and therefore, the cast-in-place concrete construction mode has the following defects: (1) the construction period is too long, and the construction efficiency is low; (2) the construction steps are multiple, and the flow is complex; (3) the construction quality is not easy to control.
The existing precast concrete construction mode is a manufacturing step of completing a cast-in-place concrete construction mode in a factory, then transporting a solid concrete pier completed in the factory to a construction site, and finally hoisting and installing the solid concrete pier, so that the precast concrete construction mode has the following defects: (1) the prefabricated bridge pier has large weight, and brings great cost and safety problems to transportation and hoisting; (2) in the prefabrication process, an embedded part and a concrete post-pouring part are required to be arranged to form the whole pier, the connection structure is complex, and meanwhile, the stress performance and the overall performance of the whole pier are poor.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an assembled reinforced concrete pier to provide a light in weight, construction period is short, alleviate the transportation and hoist and mount degree of difficulty greatly, reduce pier construction installation by a wide margin and to the requirement of construction equipment's hoisting capacity and the good assembled reinforced concrete pier of wholeness ability behind the structure shaping.
The technical scheme of the utility model is that: an assembled reinforced concrete pier is characterized by comprising a hollow pier shell and cast-in-place core concrete arranged in the pier shell, wherein the pier shell comprises a concrete layer and a reinforcement cage, and the reinforcement cage is arranged inside the concrete layer;
the steel reinforcement cage comprises a plurality of circumferential stirrup net pieces and a plurality of vertical steel reinforcements, wherein the circumferential stirrup net pieces are arranged at equal intervals in the vertical direction, and the vertical steel reinforcements are arranged at equal intervals along the circumferential stirrup net pieces.
Optionally, the annular stirrup net piece includes outer annular stirrup, inner annular stirrup and radial reinforcing steel bar, radial reinforcing steel bar is located outer annular stirrup with on the inner annular stirrup.
Optionally, the utility model discloses an assembled reinforced concrete pier includes vertical reinforcing bar in the outer vertical reinforcing bar of a plurality of and a plurality of, a plurality of the equiangular interval of outer vertical reinforcing bar set up in outer loop is to the stirrup, a plurality of the equiangular interval of interior vertical reinforcing bar sets up in the inner ring is to the stirrup.
Optionally, the hoop reinforcement mesh further includes a middle hoop reinforcement, the middle hoop reinforcement is located between the outer ring hoop reinforcement and the inner ring hoop reinforcement, and the radial reinforcing steel bars are located on the outer ring hoop reinforcement, the middle ring hoop reinforcement and the inner ring hoop reinforcement.
Optionally, the concrete layer and the reinforcement cage are of an integrated molding structure.
Optionally, the cross section of the pier outer shell is annular or circular.
In order to achieve the same object, the present invention further provides a construction method of the fabricated reinforced concrete pier, as described above, comprising the steps of:
s1, longitudinally arranging the stirrup net sheets, and then respectively connecting the outer sides and the inner sides of the stirrup net sheets with the outer vertical steel bars and the inner vertical steel bars to form the steel bar cage;
s2, respectively arranging templates on the inner side and the outer side of the reinforcement cage;
s3, pouring concrete between the two formworks to form a concrete layer;
s4, removing the template to form the integrated pier shell;
s5, transporting the pier shell to a construction site, and installing and fixing the pier shell;
and S6, pouring cast-in-situ core concrete into the hollow hole of the pier shell to form the solid concrete pier.
Optionally, the cast-in-place core concrete is self-compacting concrete.
Optionally, in step S2, the mold plates are an inner mold and an outer mold.
Optionally, in step S2, the formwork is an inner mold or an outer mold, and a centrifugal method is used for preparing the molding or an external shotcrete molding.
Implement the embodiment of the utility model provides a, following beneficial effect has:
the utility model discloses an assembled reinforced concrete pier has following advantage:
(1) the pier shell comprises the concrete layer and the reinforcement cage, and the reinforcement cage is arranged inside the concrete layer, so that the reinforcement cage and the concrete layer are of an integrated structure, and the pier shell has the characteristic of light weight, so that the working progress can be accelerated, the workload of hoisting equipment can be reduced, and the construction cost can be saved;
(2) the cast-in-place core concrete is arranged inside the pier shell, the pier shell and the cast-in-place core concrete form a whole, and the cast-in-place core concrete is arranged into a cast-in-place structure, so that the connection reliability and the waterproof performance between the cast-in-place core concrete and the pier shell are improved;
(3) the reinforcement cage comprises a plurality of circumferential stirrup net pieces and a plurality of vertical reinforcements, and the vertical reinforcements are connected with the circumferential stirrup net pieces, so that the reinforcement cage is convenient to manufacture and the manufacturing time of the reinforcement cage is shortened;
therefore, the assembled reinforced concrete pier of the utility model has the characteristics of light weight, short construction period, greatly reduced transportation and hoisting difficulty, greatly reduced requirement of pier construction and installation on the hoisting capacity of construction equipment, and good overall performance after structure forming;
the utility model discloses a construction method of assembled reinforced concrete pier has following advantage:
the utility model discloses a construction method of assembled reinforced concrete pier makes steel reinforcement cage and template, then pours the concrete coagulation as an organic whole between the template in order to form the pier shell of integration, transports pier shell to job site to the cast-in-place core concrete of pouring in the cavity hole toward the pier shell is in order to form solid concrete pier, consequently, the utility model discloses an assembled reinforced concrete pier construction method not only can accelerate construction speed and shorten construction period, can improve the wholeness ability and the security of pier moreover to be convenient for promote.
Drawings
Fig. 1 is a schematic structural view of the bridge pier of the present invention in a ring structure.
Fig. 2 is a schematic structural view of the bridge pier of the present invention having a waist-shaped structure.
Fig. 3 is a schematic view of the connection structure of the pier shell of the present invention.
Fig. 4 is a schematic structural view of the steel reinforcement cage of the present invention.
Description of reference numerals:
1. a pier outer shell; 11. a concrete layer; 12. a reinforcement cage; 121. a hoop reinforcement mesh sheet; 1211. an outer circumferential stirrup; 1212. an inner hoop reinforcement; 1213. radial reinforcing steel bars; 122. an outer vertical reinforcement; 123. an inner vertical reinforcement; 2. core concrete.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 4, an assembled reinforced concrete pier provided by the embodiment of the present invention is characterized in that the pier comprises a hollow pier shell 1 and a cast-in-place core concrete 2 arranged in the pier shell 1, the pier shell 1 comprises a concrete layer 11 and a reinforcement cage 12, and the reinforcement cage 12 is arranged inside the concrete layer 11;
the reinforcement cage 12 comprises a plurality of hoop reinforcement net pieces 121 and a plurality of vertical reinforcements, the hoop reinforcement net pieces 121 are arranged in the vertical direction at equal intervals, and the vertical reinforcements are arranged along the hoop reinforcement net pieces 121 at equal intervals.
Based on the above-mentioned setting, the utility model discloses an assembled reinforced concrete pier has following advantage:
(1) because the pier shell 1 comprises the concrete layer 11 and the reinforcement cage 12, and the reinforcement cage 12 is arranged inside the concrete layer 11, the reinforcement cage 12 and the concrete layer 11 are of an integrated structure, and the pier shell 1 has the characteristic of light weight, the working progress can be accelerated, the working burden of hoisting equipment can be reduced, and the construction cost can be saved;
(2) the cast-in-place core concrete 2 is arranged inside the pier shell 1, the pier shell 1 and the cast-in-place core concrete 2 form a whole, and the cast-in-place core concrete 2 is of a cast-in-place structure, so that the connection reliability and the waterproof performance between the cast-in-place core concrete 2 and the pier shell 1 are improved;
(3) the reinforcement cage 12 comprises a plurality of circumferential stirrup net pieces 121 and a plurality of vertical reinforcements, and the vertical reinforcements are connected with the circumferential stirrup net pieces 121, so that the reinforcement cage 12 is convenient to manufacture and the manufacturing time of the reinforcement cage 12 is shortened;
therefore, the utility model discloses an assembled reinforced concrete pier has light in weight, construction period is short, alleviate the transportation and hoist and mount degree of difficulty greatly, reduce pier construction installation by a wide margin to the requirement of construction equipment's hoisting capacity and the characteristics that the wholeness can be good after the structure shaping.
In this embodiment, as shown in fig. 1 to 4, in order to facilitate the manufacture of the annular stirrup mesh sheet, the annular stirrup mesh sheet includes an outer annular stirrup 1211, an inner annular stirrup 1212, and a radial reinforcing steel bar 1213, and the radial reinforcing steel bar 1213 is disposed on the outer annular stirrup 1211 and the inner annular stirrup 1212. Specifically, the outer circumferential stirrup 1211 and the inner circumferential stirrup 1212 can meet the shear strength of the vertical steel bar, so that the vertical steel bar is prevented from being subjected to forced buckling; the radial reinforcement bars 1213 can couple the outer circumferential bead 1211 and the inner circumferential bead 1212 as a single body, and can reinforce the strength of the outer circumferential bead 1211 and the inner circumferential bead 1212.
In this embodiment, as shown in fig. 1-4, the utility model discloses assembled reinforced concrete pier includes vertical reinforcing bar 123 in a plurality of outer vertical reinforcing bar 122 and a plurality of, the isometric interval of the outer vertical reinforcing bar 122 of a plurality of sets up in outer hoop stirrup 1211, and the isometric interval of vertical reinforcing bar 123 sets up in interior hoop stirrup 1212 in a plurality of. Specifically, outer vertical reinforcing bar 122 is the vertical reinforcing bar that is close to core concrete 2, and interior vertical reinforcing bar 123 is the vertical reinforcing bar of keeping away from core concrete 2, and outer vertical reinforcing bar 122 and interior vertical reinforcing bar 123 play the effect of bearing pressure and pulling force as atress owner muscle.
In this embodiment, as shown in fig. 1 to 4, in order to further enhance the shear strength of the steel reinforcement cage 12, the hoop reinforcement mesh 121 further includes a middle hoop reinforcement, the middle hoop reinforcement is located between the outer hoop reinforcement 1211 and the inner hoop reinforcement 1212, and the radial reinforcement 1213 is located on the outer hoop reinforcement 1211, the middle hoop reinforcement and the inner hoop reinforcement 1212. Specifically, the radial reinforcement bars 1213 not only serve to reinforce the strength, but also serve to connect the outer circumferential stirrup 1211, the middle circumferential stirrup, and the inner circumferential stirrup 1212, which are located at the same level, together.
In this embodiment, as shown in fig. 1 to 4, in order to facilitate transportation of the pier shell 1, the concrete layer 11 and the reinforcement cage 12 are integrally formed, so that the workload of the hoisting device is reduced.
In this embodiment, as shown in fig. 1 to 4, in order to expand the application range of the pier shell 1 of the present invention, the cross section of the pier shell 1 is a ring shape or a waist-round shape. Specifically, when the cross section of the pier shell 1 is annular, the plurality of outer vertical steel bars 122 and the plurality of inner vertical steel bars 123 are annularly arranged, so that each annular stirrup net piece 121 does not need to penetrate through a hollow hole of the pier shell 1, and the core concrete 2 is convenient to pour;
when the cross section of the pier shell 1 is waist-shaped, the plurality of outer vertical steel bars 122 and the plurality of inner vertical steel bars 123 are annularly arranged, so that each annular stirrup net does not need to penetrate through a hollow hole of the pier shell 1, and the core concrete 2 is convenient to pour;
the hoop reinforcement net can be connected with the outer vertical reinforcing steel bars 122 and the inner vertical reinforcing steel bars 123 in a binding or welding mode, and a constructor can select the hoop reinforcement net according to needs.
In order to achieve the same purpose, as shown in fig. 1 to 4, the utility model also provides a construction method for the fabricated reinforced concrete pier, which comprises the following steps:
s1, longitudinally arranging the stirrup net sheets, and then respectively connecting the outer sides and the inner sides of the stirrup net sheets with the outer vertical steel bars 122 and the inner vertical steel bars 123 to form the steel reinforcement cage 12;
s2, respectively arranging templates on the inner side and the outer side of the reinforcement cage 12;
s3, pouring concrete between the two templates to form a concrete layer 11;
s4, removing the template to form an integrated pier shell 1;
s5, transporting the pier shell 1 to a construction site, and installing and fixing the pier shell 1;
and S6, pouring the cast-in-situ core concrete 2 into the hollow hole of the pier shell 1 to form the solid concrete pier.
Based on the above setting, the utility model discloses a construction method of assembled reinforced concrete pier, with steel reinforcement cage 12 and template preparation, then pouring concrete condenses pier shell 1 as an organic whole in order to form the integration between the template, transports pier shell 1 to the job site to toward cast-in-place core concrete 2 of pouring in the cavity hole of pier shell 1 in order to form solid concrete pier, consequently, the utility model discloses an assembled reinforced concrete pier construction method not only can accelerate construction speed and shorten construction period, can improve the wholeness ability and the security of pier moreover to be convenient for promote.
The cast-in-place core concrete 2 is self-compacting concrete, so that the cast-in-place core concrete 2 can be well compacted, the pouring efficiency is improved, the working ring is improved, and the surface quality of the cast-in-place core concrete 2 is improved.
In step S2, the forms are an inner form and an outer form, so that the constructor can conveniently pour concrete between the two forms.
In step S2, the form is an inner form or an outer form, and is formed by a centrifugal method or by external shotcrete.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.
Claims (4)
1. An assembled reinforced concrete pier is characterized by comprising a hollow pier shell and cast-in-place core concrete arranged in the pier shell, wherein the pier shell comprises a concrete layer and a reinforcement cage, and the reinforcement cage is arranged inside the concrete layer;
the steel reinforcement cage includes a plurality of hoop reinforcement net pieces and a plurality of vertical reinforcing bar, and a plurality of hoop reinforcement net pieces equidistance interval sets up on vertical direction, and a plurality of vertical reinforcing bar set up along hoop reinforcement net piece equidistance interval, hoop reinforcement net piece includes outer loop to stirrup, inner ring to stirrup and radial reinforcing bar, radial reinforcing bar locates the outer loop to the stirrup with on the inner ring to the stirrup, hoop reinforcement net piece still includes well hoop reinforcement, well hoop reinforcement is located the outer loop to the stirrup with between the inner ring to the stirrup, radial reinforcing bar locates the outer loop to the stirrup the well hoop with on the inner ring to the stirrup.
2. An assembled reinforced concrete pier as claimed in claim 1, comprising a plurality of outer vertical rebars and a plurality of inner vertical rebars, wherein the plurality of outer vertical rebars are equiangularly spaced apart from the outer hoop, and the plurality of inner vertical rebars are equiangularly spaced apart from the inner hoop.
3. An assembled reinforced concrete pier as claimed in claim 1, wherein the concrete layer and the reinforcement cage are of an integrally molded structure.
4. An assembled reinforced concrete pier as claimed in claim 1, wherein the cross section of the pier shell is circular or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537929.6U CN211113137U (en) | 2019-04-18 | 2019-04-18 | Assembled reinforced concrete pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537929.6U CN211113137U (en) | 2019-04-18 | 2019-04-18 | Assembled reinforced concrete pier |
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| Publication Number | Publication Date |
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| CN211113137U true CN211113137U (en) | 2020-07-28 |
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| CN201920537929.6U Active CN211113137U (en) | 2019-04-18 | 2019-04-18 | Assembled reinforced concrete pier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130212A (en) * | 2019-04-18 | 2019-08-16 | 广州容联建筑科技有限公司 | A kind of assembled steel reinforced concrete pier and its construction method |
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- 2019-04-18 CN CN201920537929.6U patent/CN211113137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130212A (en) * | 2019-04-18 | 2019-08-16 | 广州容联建筑科技有限公司 | A kind of assembled steel reinforced concrete pier and its construction method |
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