CN213978605U - Assembled pier stud connection structure - Google Patents
Assembled pier stud connection structure Download PDFInfo
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- CN213978605U CN213978605U CN202022143128.7U CN202022143128U CN213978605U CN 213978605 U CN213978605 U CN 213978605U CN 202022143128 U CN202022143128 U CN 202022143128U CN 213978605 U CN213978605 U CN 213978605U
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Abstract
The utility model discloses an assembly type pier stud connecting structure, which comprises a prefabricated pier stud and a cast-in-place component, wherein the prefabricated pier stud is a hollow pipe body with an upper opening and a lower opening, a plurality of vertically arranged main ribs are arranged in the prefabricated pier stud, and the main ribs extend out of the bottom of the prefabricated pier stud and extend downwards; the cast-in-place component comprises a steel reinforcement framework, a plurality of main reinforcements penetrate into the steel reinforcement framework from top to bottom, and the bottom end of the prefabricated pier stud is abutted to the upper supporting surface of the steel reinforcement framework. The utility model discloses utilize framework of steel reinforcement to carry out effective connection and support to prefabricated pier stud of core, accept the component according to the cast-in-place play of framework of steel reinforcement again, and to the hollow part of prefabricated pier stud fill concrete can, can reduce under the condition that does not change current design size, reinforcing bar configuration and assurance atress, shock resistance etc. and strut the template and drop into, shorten construction cycle, increase substantially structure appearance quality, the on-the-spot implementation is for current assembled technical work, step is simple and easily control entity quality, impel the building industrialization development.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to an assembled pier stud connection structure.
Background
With the continuous promotion of the urbanization process in China, the traffic jam problem is increasingly prominent and gradually becomes a key factor influencing the urbanization development, the building assembly type development direction brought by the industrial development of buildings, and the urban bridge is widely applied to large, medium and small cities in China as a preferred scheme for solving the traffic jam problem in China.
At present, bridge construction mainly has two modes, namely a traditional cast-in-place mode mainly takes manual steel bar binding and in-situ concrete pouring as main modes, and has high safety performance and good integrity, but a large number of supporting templates need to be erected in each step during construction, the appearance quality is not easy to control, the construction period is long, and the influence on urban traffic is great; secondly, the prefabricated assembly type is adopted, components such as concrete beams, plates and columns are cast and produced in a factory and then transported to an engineering site for assembly and forming, the construction speed is high, the shape is attractive, but when the bridge pier column is connected, the existing prefabricated pier column is too heavy, and the existing prefabricated pier column needs a supernormal large-scale device for hoisting, so that the construction difficulty is high; and the prefabricated pier stud is connected with the lower bearing structure by glue pressing and other methods, so that the shearing resistance of the connecting section is poor and the shock resistance is weak.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is necessary to provide an assembly type pier stud connection structure capable of reducing the investment of a formwork and shortening a construction period while ensuring the stress performance.
The utility model discloses a following technical scheme realizes:
an assembled pier stud connecting structure comprises a prefabricated pier stud and a cast-in-place component, wherein the prefabricated pier stud is a hollow pipe body with an upper opening and a lower opening, a plurality of vertically arranged main ribs are arranged in a prefabricated forming area of the prefabricated pier stud, and the main ribs extend out of the bottom of the prefabricated pier stud and extend downwards; the cast-in-place component comprises a steel reinforcement framework, a plurality of main reinforcements penetrate into the steel reinforcement framework from top to bottom, and the bottom end of the prefabricated pier stud is abutted to the upper supporting surface of the steel reinforcement framework.
In one embodiment, the cast-in-place member further comprises a section steel stiffened framework, the section steel stiffened framework is correspondingly arranged below the prefabricated pier stud, and an upper bearing surface of the section steel stiffened framework is abutted against the bottom end of the prefabricated pier stud.
In one embodiment, a plurality of supporting templates are arranged around the steel reinforcement framework, the supporting templates surround a first cast-in-place area, and high-strength concrete is poured in the first cast-in-place area.
In one embodiment, the hollow area of the prefabricated pier stud forms a second cast-in-place area, and the second cast-in-place area is poured with the expansive concrete.
In one embodiment, the strength of the concrete poured in the second cast-in-place area is consistent with the strength of the concrete adopted in the prefabricated molding area of the prefabricated pier column.
In one embodiment, hoop reinforcements are arranged in the prefabricated forming area of the prefabricated pier column at intervals in the vertical direction and are arranged around the outer sides of the main reinforcements.
In one embodiment, the prefabricated molding area of the prefabricated pier column is vertically provided with erection steel bars at intervals.
In one embodiment, a plurality of steel ropes are tied on the prefabricated pier stud, and the other ends of the steel ropes are connected with the ground; or, the lateral wall of prefabricated pier stud supports to leaning on has a plurality of shaped steel sprags, and the other end and the ground of shaped steel sprag are connected.
In one embodiment, the prefabricated pier is a hollow cylindrical tube body with an upper opening and a lower opening or a hollow square tube body with an upper opening and a lower opening.
In one embodiment, the cast-in-place member is a cast-in-place cap, pile foundation, tie beam or extended foundation.
Compared with the prior art, the technical scheme of the utility model following advantage and beneficial effect have at least:
the utility model discloses a hollow prefabricated pier stud to main muscle downwardly extending and the framework of steel reinforcement that will prefabricate the pier stud are pegged graft, utilize framework of steel reinforcement to effectively support hollow prefabricated pier stud, again according to the cast-in-place lower part of framework of steel reinforcement accepts the structure, and to the hollow part of prefabricated pier stud pack the concrete can, adopt the mode of prefabricating and cast-in-place combination, can reduce the template input under the condition of guaranteeing the atress performance, shorten construction cycle, and obtain the pleasing to the eye bridge pier stud of form.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of an assembled pier stud connection structure provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of the assembled pier stud connection structure provided by the embodiment of the present invention after a supporting template is provided;
fig. 3 is a bottom view of the assembled pier stud connection structure provided by the embodiment of the present invention after a supporting template is installed;
fig. 4 is the cross-sectional view of assembled pier stud connection structure after the actual shaping that the embodiment of the utility model provides.
Icon: 1-prefabricated pier column, 11-prefabricated forming area, 12-hollow area, 13-main reinforcement, 14-hoop reinforcement, 15-erection reinforcement, 2-cast-in-place component, 21-reinforcement framework, 22-steel stiffened framework, 3-supporting template, 4-first cast-in-place area, 5-second cast-in-place area, 6-steel rope, 100-cushion concrete and 200-poured foundation.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to describe an assembled pier stud connection structure more clearly and completely. The preferred embodiment of the fabricated pier coupling structure is shown in the drawings, however, the fabricated pier coupling structure can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terms "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, when used in reference to a particular orientation or positional relationship, are used for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
In the description of the present invention, it should be further noted that the terms "disposed," "mounted," "connected," and "connected" used herein should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses cast-in-place component that scheme relates to, including cast-in-place cushion cap, pile foundation, ground tie beam or enlarge a series of foundation structures such as basis, in following embodiment, mainly explain for the example with the cushion cap structure, the connected mode of other foundation structures and prefabricated pier stud is the same with the connected mode of cushion cap structure and prefabricated pier stud.
As shown in fig. 1 and 2, an embodiment of the present invention provides an assembled pier stud connection structure, including a prefabricated pier stud 1 and a cast-in-place member 2, where the prefabricated pier stud 1 is a hollow pipe body with an upper opening and a lower opening, a middle hollow portion is a hollow region 12, a prefabricated molding region 11 of the prefabricated pier stud 1 is around the hollow region 12, a plurality of vertically arranged main ribs 13 are arranged in the prefabricated molding region 11 of the prefabricated pier stud 1, and the plurality of main ribs 13 extend out of the bottom of the prefabricated pier stud 1 and extend downward; cast-in-place component 2 includes framework of steel reinforcement 21, and a plurality of main muscle 13 are from last to inserting into framework of steel reinforcement 21 down, make the bottom of prefabricated pier stud 1 and framework of steel reinforcement 21's upper bearing surface butt. Through adopting hollow prefabricated pier stud 1 to reduce pier stud weight by a wide margin to main muscle 13 with prefabricated pier stud 1 extends downwards and pegs graft with framework 21, utilize framework 21 to effectively support hollow prefabricated pier stud 1, cast in situ out the lower part according to framework 21 and accept the structure again, and to the hollow part packing concrete of prefabricated pier stud 1, adopt the mode of prefabricating and cast in situ combination, not only guaranteed structural strength, still need not change original design size and steel bar structure, saved the template 3 that struts of pier stud part, shortened construction cycle.
Specifically, as shown in fig. 4, the steel reinforcement cage 21 may be a stand-alone steel reinforcement cage, the lower support surface of which abuts the concrete (e.g., poured foundation 200) poured under the cast-in-place member; or formed by vertically binding reinforcing steel bar frames extending from the upper surface of the concrete (such as the poured foundation 200) poured below the cast-in-place member. It is foreseeable that a plurality of main muscle 13 also can stretch out and upwards extend at the top of prefabricated pier stud 1 to carry out processes such as overlap joint ligature or welding with the reinforcing bar of the upper structure such as the roof beam that sets up at the post top. Furthermore, the prefabricated pier stud 1 can be a hollow cylindrical pipe body with an upper opening and a lower opening, and a plurality of main ribs 13 are circularly and uniformly distributed in the prefabricated forming area 11; the prefabricated pier stud 1 can also be a hollow square column tube body with an upper opening and a lower opening, and a plurality of main ribs 13 are uniformly distributed in a square shape in the prefabricated forming area 11; and configuring according to actual needs to meet different types of engineering requirements.
Further, as shown in fig. 1 and 4, the cast-in-place member 2 further includes a steel reinforced skeleton 22, the steel reinforced skeleton 22 is correspondingly disposed below the prefabricated pier stud 1, an upper supporting surface of the steel reinforced skeleton 22 abuts against a bottom end of the prefabricated pier stud 1, a lower supporting surface of the steel reinforced skeleton 22 abuts against concrete (such as a poured foundation 200) poured below the cast-in-place member, and the steel reinforced skeleton 22 is used to cooperate with the steel reinforcement skeleton 21 to support the prefabricated pier stud 1, so as to further enhance the bearing capacity, and thus the whole pier stud supporting structure is more stable. Specifically, the lower support surface of the steel reinforced skeleton 22 abuts against the concrete poured below the cast-in-place member, as shown in fig. 3, in this embodiment, three steel reinforced skeletons 22 are provided to form a triangular stable support, and the steel reinforced skeletons 22 are distributed in a 120-degree annular shape, so that the stress is uniform. It is anticipated that in other embodiments, the number and arrangement orientation of the steel reinforced frameworks 22 may be selectively set according to the shape of the prefabricated pier stud 1 for the purpose of stable support.
Further, as shown in fig. 2 and 4, a plurality of supporting templates 3 are arranged around the steel reinforcement framework 21, the supporting templates 3 surround the first cast-in-place area 4, high-strength concrete is poured into the first cast-in-place area 4, the high-strength concrete is solidified and then matched with the steel reinforcement framework 21 to form a bearing structure with high structural strength, and after the concrete solidification molding integral structure meets the strength requirement, the supporting templates 3 are removed to perform subsequent construction procedures. It is anticipated that in this embodiment, the steel reinforcement framework 21 is a rectangular structure, so that the first cast-in-place area 4 formed by surrounding the plurality of supporting templates 3 is also a rectangle, and a rectangular bearing structure is formed by matching the first cast-in-place area 4 with the rectangle; in other embodiments, the steel reinforcement framework 21 may be a cylindrical structure or other shape structures, and the first cast-in-place area 4 defined by the plurality of supporting forms 3 is also a cylindrical structure or other shape structures, so as to form a cylindrical receiving structure or other shape receiving structures in a matching manner, which are all included in the protection scope of the present invention.
Further, as shown in fig. 2 and 4, the hollow region 12 of the prefabricated pier stud 1 constitutes a second cast-in-place region 5, the second cast-in-place region 5 is cast with expansive concrete, the expansive concrete has the functions of compensating shrinkage and generating self-stress, and after being solidified, the expansive concrete is matched with the prefabricated molding region 11 of the prefabricated pier stud 1 to form a pier stud structure with high structural strength and is matched with the cast-in-place member 2 below.
Further, the concrete intensity of the second cast-in-place area 5 is consistent with the concrete intensity of the prefabricated forming area 11 of the prefabricated pier column 1, the bonding strength of the cast-in-place concrete part and the prefabricated concrete part is improved, and structural deformation and cracks caused by strength difference are avoided.
Further, as shown in fig. 4, hoop reinforcements 14 are vertically arranged in the prefabricated molding area 11 of the prefabricated pier stud 1 at intervals, the hoop reinforcements 14 are perpendicular to the main reinforcements 13 and are arranged around the outer sides of the main reinforcements 13, the main reinforcements 13 are connected and fixed, and the shear force is resisted by matching concrete. Specifically, when the prefabricated pier stud 1 is a hollow cylindrical pipe body, the hoop reinforcement 14 is annular; when the prefabricated pier stud 1 is a hollow square column pipe body, the hoop reinforcement 14 is in a square ring shape.
Further, as shown in fig. 2 and 4, erection bars 15 are vertically arranged in the prefabricated forming area 11 of the prefabricated pier stud 1 at intervals, the erection bars 15 are perpendicular to the main bars 13 and are intermittently connected with the hoop reinforcement 14, the edge part of the erection bars is located in the prefabricated forming area 11 of the prefabricated pier stud 1, and the middle part of the erection bars is located in the hollow area 12 of the prefabricated pier stud 1 and is used for positioning and fixing the hoop reinforcement 14. In this embodiment, the erection reinforcement 15 is a groined type, and cooperates with the main reinforcement 13 and the hoop reinforcement 14 to form the pier shaft reinforcement cage, so as to ensure that the pier shaft reinforcement cage is not inclined vertically after being formed.
Further, as shown in fig. 2 and 4, a plurality of steel cables 6 are tied on the prefabricated pier stud 1, one ends of the steel cables 6 are arranged around the outer side surface of the prefabricated pier stud 1, and the other ends of the steel cables 6 are connected with the ground, so that the prefabricated pier stud 1 is stably placed on the cast-in-place member 2, the structural stability is further improved, and the prefabricated pier stud 1 is prevented from overturning. Specifically, the steel ropes 6 and the prefabricated pier stud 1 are arranged in a manner of being uniformly distributed along the circumferential direction of the prefabricated pier stud 1, and the overturn prevention effect is realized by uniformly distributing the distribution angles of the steel ropes 6 on the prefabricated pier stud 1; if two groups of steel ropes 6 are arranged, the two groups of steel ropes are distributed on the prefabricated pier stud 1 in 180 degrees; when three groups of steel ropes 6 are arranged, the three groups of steel ropes are distributed on the prefabricated pier stud 1 at 120 degrees; and the rest can be analogized according to the set number. The steel rope 6 can be connected with the ground by extending into the cushion concrete 100 to be buried underground or connected with other facilities fixed on the ground, so long as the prefabricated pier stud 1 can be prevented from overturning, and after the cast-in-place concrete solidification and forming integral structure meets the strength requirement, the steel rope 6 can be dismantled to carry out subsequent construction procedures. In other embodiments, can also lean on the lateral wall of prefabricated pier stud to set up a plurality of shaped steel sprags, the other end and the ground of shaped steel sprag are connected, the setting position angle of shaped steel sprag, it is the same with above-mentioned steel cable to set up quantity, the connected mode on shaped steel sprag and ground can stretch into cushion layer concrete 100 and insert and establish, also can be connected with other facilities of fixing on subaerial, so that prefabricated pier stud 1 places firmly on cast-in-place component 2, further increase structural stability, avoid prefabricated pier stud 1 to topple.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An assembled pier stud connecting structure is characterized by comprising a prefabricated pier stud and a cast-in-place component, wherein the prefabricated pier stud is a hollow pipe body with an upper opening and a lower opening, a plurality of vertically arranged main ribs are arranged in a prefabricated forming area of the prefabricated pier stud, and the main ribs extend out of the bottom of the prefabricated pier stud and extend downwards; the cast-in-place component comprises a steel reinforcement framework, a plurality of main reinforcements penetrate into the steel reinforcement framework from top to bottom, so that the bottom end of the prefabricated pier stud is abutted to the upper supporting surface of the steel reinforcement framework.
2. The assembly type pier column connecting structure according to claim 1, wherein the cast-in-place member further comprises a section steel stiff framework, the section steel stiff framework is correspondingly arranged below the prefabricated pier column, and an upper supporting surface of the section steel stiff framework is abutted against the bottom end of the prefabricated pier column.
3. The assembly type pier column connecting structure according to claim 1 or 2, wherein a plurality of supporting templates are arranged around the steel reinforcement framework, the supporting templates surround a first cast-in-place area, and high-strength concrete is poured in the first cast-in-place area.
4. The fabricated pier stud connection structure of claim 3, wherein the hollow region of the prefabricated pier stud constitutes a second cast-in-place region, and expansive concrete is cast in the second cast-in-place region.
5. The assembly type pier stud connection structure according to claim 4, wherein the strength of the concrete poured in the second cast-in-place region is consistent with the strength of the concrete adopted in the prefabricated molding region of the prefabricated pier stud.
6. The assembled pier stud connection structure of claim 1, wherein hoop reinforcements are arranged at vertical intervals in a prefabricated forming area of the prefabricated pier stud, and the hoop reinforcements are arranged around the outer sides of a plurality of main reinforcements.
7. The assembly type pier stud connecting structure according to claim 6, wherein erection steel bars are vertically arranged at intervals in the prefabricated forming area of the prefabricated pier stud.
8. The assembly type pier stud connecting structure according to claim 2, 6 or 7, wherein a plurality of steel ropes are tied on the prefabricated pier stud, and the other ends of the steel ropes are connected with the ground; or, support on the lateral wall of prefabricated pier stud and lean on there being a plurality of shaped steel bracing, the other end and the ground of shaped steel bracing are connected.
9. The assembly type pier stud connecting structure according to claim 1, wherein the prefabricated pier stud is a hollow cylindrical tube body with an upper opening and a lower opening or a hollow square tube body with an upper opening and a lower opening.
10. The fabricated pier connection structure of claim 1, wherein the cast-in-place member is a cast-in-place cap, pile foundation, ground tie beam, or extended foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143128.7U CN213978605U (en) | 2020-09-25 | 2020-09-25 | Assembled pier stud connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143128.7U CN213978605U (en) | 2020-09-25 | 2020-09-25 | Assembled pier stud connection structure |
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| CN213978605U true CN213978605U (en) | 2021-08-17 |
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| CN202022143128.7U Active CN213978605U (en) | 2020-09-25 | 2020-09-25 | Assembled pier stud connection structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450205A (en) * | 2022-09-24 | 2022-12-09 | 贾龙国 | Construction structure and construction process for inserting prestressed pipe pile into triaxial mixing pile |
| TWI848271B (en) * | 2022-02-24 | 2024-07-11 | 承錡鋼鐵股份有限公司 | Pre-assembled raft foundation and construction method thereof |
-
2020
- 2020-09-25 CN CN202022143128.7U patent/CN213978605U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI848271B (en) * | 2022-02-24 | 2024-07-11 | 承錡鋼鐵股份有限公司 | Pre-assembled raft foundation and construction method thereof |
| CN115450205A (en) * | 2022-09-24 | 2022-12-09 | 贾龙国 | Construction structure and construction process for inserting prestressed pipe pile into triaxial mixing pile |
| CN115450205B (en) * | 2022-09-24 | 2024-01-26 | 贾龙国 | Construction structure and construction process for inserting pre-stress pipe pile into triaxial stirring pile |
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Address after: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Communications Construction Group Co.,Ltd. |
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