CN112095453A - Multi-shear-resistant prefabricated pier beam connecting device and implementation method thereof - Google Patents
Multi-shear-resistant prefabricated pier beam connecting device and implementation method thereof Download PDFInfo
- Publication number
- CN112095453A CN112095453A CN202011016141.4A CN202011016141A CN112095453A CN 112095453 A CN112095453 A CN 112095453A CN 202011016141 A CN202011016141 A CN 202011016141A CN 112095453 A CN112095453 A CN 112095453A
- Authority
- CN
- China
- Prior art keywords
- grouting
- shear
- steel bars
- prefabricated
- strength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a multi-shear-resistant precast pier beam connecting device and an implementation method thereof.A U-shaped hinge joint is arranged on a precast beam, and a grouting corrugated pipe is pre-embedded, wherein the grouting corrugated pipe is arranged along the height and the length of the beam; reserving a shear notch at the pier top of the prefabricated pier stud and embedding a grouting corrugated pipe; the connecting steel bars are arranged in the metal corrugated pipes in the prefabricated piers, the connecting steel bars are inserted into the metal corrugated pipes in the prefabricated beams, high-strength grouting materials are respectively poured into the upper openings of the metal corrugated pipes in the prefabricated beams, after grouting is completed, high-strength grouting material core columns taking the connecting steel bars as main ribs are formed in the upper metal corrugated pipes and the lower metal corrugated pipes of the connecting steel bars, and the U-shaped hinges and the shear notches are reliably connected through the high-strength grouting materials. Reliable and superior shearing resistance and compression resistance stress performance are realized at the connecting part through a circle of high-strength grouting material core column and a central high-strength hinge joint around the connecting section, and meanwhile, the structure is ensured to have more reliable overall performance and durability.
Description
The technical field is as follows:
the invention relates to the field of assembly type buildings and bridge engineering, in particular to an implementation method and an implementation method of a multiple shear-resistant prefabricated pier beam connecting device.
Background art:
with the vigorous popularization of industrialized construction technology in China, prefabricated assembled structures are applied more and more widely in bridge engineering, wherein the prefabricated assembled structures comprise assembled upper structures and assembled lower structures. In the structural design of the lower part of the existing assembled bridge, the prefabricated capping beam and the prefabricated pier stud are mainly connected in various connection modes such as prestressed steel strand connection, grouting sleeve connection, grouting metal corrugated pipe connection and the like. The connecting joint is a key part of the assembly type structure and determines the overall stress performance and durability of the structure. The traditional connection mode has shear-resistant weak cross sections at the connection parts, and influences the overall stress performance and durability of the structure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for realizing a multiple shear-resistant precast pier beam connecting device, which ensures the integral stress performance of the structure, ensures the excellent shear resistance of a connecting joint and facilitates the accurate positioning and installation of the structure.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a multi-shear precast pier beam connecting device comprises a precast beam, precast pier columns and a connecting assembly, wherein the connecting assembly comprises grouting corrugated pipes, connecting reinforcing steel bars, notch reinforcing steel bars, U-shaped hinges, a shear notch and high-strength grouting materials;
the prefabricated beam is provided with a U-shaped hinge joint and a grouting corrugated pipe is embedded, wherein the grouting corrugated pipe is arranged along the height and the length of the beam;
reserving a shear notch at the pier top of the prefabricated pier stud and embedding a grouting corrugated pipe;
the connecting steel bars are arranged in the metal corrugated pipes in the prefabricated piers, the connecting steel bars are inserted into the metal corrugated pipes in the prefabricated beams, high-strength grouting materials are respectively poured into the upper openings of the metal corrugated pipes in the prefabricated beams, after grouting is completed, high-strength grouting material core columns taking the connecting steel bars as main ribs are formed in the upper metal corrugated pipes and the lower metal corrugated pipes of the connecting steel bars, and the U-shaped hinges and the shear notches are reliably connected through the high-strength grouting materials.
The further technology of the invention is as follows:
preferably, notch reinforcing steel bars are circumferentially distributed in the shear notch, and the notch reinforcing steel bars are outwards extended pier body reinforcing steel bars. The U-shaped hinge joint, the notch reinforcing steel bars in the shear notches and the central high-strength hinge joint formed by the high-strength grouting material through the bond effect can realize excellent shear resistance and pressure resistance mechanical properties.
Preferably, the diameter of the grouting corrugated pipe is 6-8 cm, which is beneficial to convenient positioning of the connecting reinforcing steel bars and reliable connection and integral stress of the precast beam and the connecting reinforcing steel bars under post-grouting.
Preferably, the U-shaped hinged joint is composed of U-shaped ribs and annular stirrups, wherein the end parts of the U-shaped ribs are embedded into the precast beam, and a certain anchoring length and a certain number of annular stirrups are reserved in the beam body.
The working method of the multi-shear precast pier beam connecting device comprises the following steps: firstly, erecting a prefabricated pier stud at a pile position, and erecting a prefabricated beam after detecting the prefabricated pier stud to be qualified through verticality, plane error and the like; in the process of putting down the precast beam, connecting the grouting corrugated pipes which are arranged in the precast beam in the circumferential direction in the steel bar alignment process, and aligning the U-shaped hinged joint with the shear notch at the end part of the precast pier stud; the prefabricated beam is positioned to complete the socket joint of the upper interface and the lower interface; and then, slowly and uniformly pouring high-strength grouting materials into the prefabricated beam through the upper ports of the grouting corrugated pipes, after grouting is finished, forming high-strength grouting material core columns taking the connecting steel bars as main ribs in the upper grouting corrugated pipe and the lower grouting corrugated pipe at the positions of the connecting steel bars, and reliably connecting the U-shaped hinges and the shear notches through the high-strength grouting materials.
Advantageous effects
1. The method for realizing the multiple shear-resistant precast pier beam connecting device is created, the reliable and superior shear-resistant and compression-resistant stress performance is realized at the connecting part through the circle of high-strength grouting material core column around the connecting section and the central high-strength hinge joint, and the more reliable integral performance and durability of the structure are ensured.
2. The method for realizing the multi-shear precast pier beam connecting device is created, so that the precast beam can be quickly and accurately positioned and installed.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of pier-beam connection;
FIG. 2 is a schematic top view of a pier beam connection;
FIG. 3 is a schematic view showing the expansion of pier-beam connection;
FIG. 4 is a schematic view of the bottom of a precast beam;
FIG. 5 is a schematic view of the expansion of pier-beam connection;
FIG. 6 is a schematic view of the upper end surface of the prefabricated pier stud;
in the figure, 1-precast beam, 2-precast pier stud, 3-grouting corrugated pipe, 4-connecting steel bar, 4 a-notch steel bar, 5-U-shaped hinge joint and 6-shear notch.
The specific implementation structure is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b):
a method for realizing a multi-shear precast pier beam connecting device comprises a precast beam 1, a precast pier column 2 and a connecting assembly. Wherein coupling assembling contains grout bellows 3, connecting reinforcement 4, notch reinforcing bar 4a, U type hinge 5, shearing notch 6 and the grout that excels in.
When the precast beam 1 is manufactured in a factory, a U-shaped hinge joint 5 needs to be arranged and a grouting corrugated pipe 3 needs to be embedded, wherein the grouting corrugated pipe 3 is arranged along the height and the length of the beam, and the embedded position corresponds to the connecting part of the connecting steel bar 4 and the position of the U-shaped hinge joint 5;
shear force notch 6 and pre-buried grout bellows 3 need be reserved at the mound top during prefabricated pier stud 2 mill's preparation, and the pre-buried position of grout bellows 3 sets up in connecting reinforcement 4 position.
And notch reinforcing steel bars 4a are distributed around the inner circumference of the shear notch 6, and the notch reinforcing steel bars 4a are outwards extended pier body reinforcing steel bars.
The diameter of the grouting corrugated pipe 3 is preferably 6 cm-8 cm, which is beneficial to convenient positioning of the connecting reinforcing steel bars 4 and reliable connection of the precast beam 1 and the connecting reinforcing steel bars 4 under post grouting to form integral stress.
The U-shaped hinge joint 5 is composed of U-shaped ribs and annular stirrups, wherein the end parts of the U-shaped ribs are embedded into the precast beam 1, and a certain anchoring length and a certain number of annular stirrups are reserved in the beam body.
Firstly, erecting a prefabricated pier stud 2 at a pile position, and erecting a prefabricated beam 1 after detecting the verticality, plane error and the like to be qualified; in the process of falling of the precast beam 1, connecting steel bars 4 are aligned with grouting corrugated pipes 3 which are arranged in the precast beam 1 in the annular direction, and U-shaped hinges 5 are aligned with shear notches 6 at the ends of the precast pier stud 2; the prefabricated beam 1 is positioned to complete the socket joint of the upper interface and the lower interface; and then, high-strength grouting materials are slowly and uniformly poured into the prefabricated beam 1 through the upper end openings of the grouting corrugated pipes 3, after grouting is finished, high-strength grouting material core columns taking the connecting reinforcing steel bars 4 as main reinforcing steel bars are formed in the upper grouting corrugated pipe 3 and the lower grouting corrugated pipe 3 at the positions of the connecting reinforcing steel bars 4, and meanwhile, excellent shearing resistance and excellent compression resistance mechanical properties can be realized through the U-shaped hinge joint 5, the notch reinforcing steel bars 4a in the shearing force notches 6 and the central high-strength hinge joint formed by the high-strength grouting materials through the bond wrapping effect. So that the overall performance of the connection joint is stronger.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a prefabricated mound roof beam connecting device that multiple shears which characterized in that: the connecting assembly comprises a grouting corrugated pipe, connecting reinforcing steel bars, notch reinforcing steel bars, a U-shaped hinge joint, a shear-resistant notch and high-strength grouting material;
the prefabricated beam is provided with a U-shaped hinge joint and a grouting corrugated pipe is embedded, wherein the grouting corrugated pipe is arranged along the height and the length of the beam;
reserving a shear notch at the pier top of the prefabricated pier stud and embedding a grouting corrugated pipe;
the connecting steel bars are arranged in the metal corrugated pipes in the prefabricated piers, the connecting steel bars are inserted into the metal corrugated pipes in the prefabricated beams, high-strength grouting materials are respectively poured into the upper openings of the metal corrugated pipes in the prefabricated beams, after grouting is completed, high-strength grouting material core columns taking the connecting steel bars as main ribs are formed in the upper metal corrugated pipes and the lower metal corrugated pipes of the connecting steel bars, and the U-shaped hinges and the shear notches are reliably connected through the high-strength grouting materials.
2. The multi-shear precast pier beam connection device according to claim 1, wherein: and notch reinforcing steel bars are circumferentially distributed in the shear notch, and the notch reinforcing steel bars are outwards extended pier body reinforcing steel bars.
3. The multi-shear precast pier beam connection device according to claim 1, wherein: the diameter of the grouting corrugated pipe is 6 cm-8 cm.
4. The multi-shear precast pier beam connection device according to claim 1, wherein: the U-shaped hinge joint is composed of a U-shaped rib and an annular hoop rib, wherein the end part of the U-shaped rib is embedded into the precast beam.
5. The multi-shear precast pier beam connection device according to claim 1, wherein: the implementation method comprises the steps that firstly, the erection of the prefabricated pier stud is completed at the pile position, and after the detection of perpendicularity, plane errors and the like is qualified, the prefabricated beam is erected; in the process of putting down the precast beam, connecting the grouting corrugated pipes which are arranged in the precast beam in the circumferential direction in the steel bar alignment process, and aligning the U-shaped hinged joint with the shear notch at the end part of the precast pier stud; the prefabricated beam is positioned to complete the socket joint of the upper interface and the lower interface; and then, slowly and uniformly pouring high-strength grouting materials into the prefabricated beam through the upper ports of the grouting corrugated pipes, after grouting is finished, forming high-strength grouting material core columns taking the connecting steel bars as main ribs in the upper grouting corrugated pipe and the lower grouting corrugated pipe at the positions of the connecting steel bars, and reliably connecting the U-shaped hinges and the shear notches through the high-strength grouting materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016141.4A CN112095453A (en) | 2020-09-24 | 2020-09-24 | Multi-shear-resistant prefabricated pier beam connecting device and implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016141.4A CN112095453A (en) | 2020-09-24 | 2020-09-24 | Multi-shear-resistant prefabricated pier beam connecting device and implementation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112095453A true CN112095453A (en) | 2020-12-18 |
Family
ID=73756061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011016141.4A Pending CN112095453A (en) | 2020-09-24 | 2020-09-24 | Multi-shear-resistant prefabricated pier beam connecting device and implementation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112095453A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016395A (en) * | 2021-11-01 | 2022-02-08 | 安徽省交通规划设计研究总院股份有限公司 | Rapid building system and construction method for bridge substructure |
| CN115370000A (en) * | 2022-08-05 | 2022-11-22 | 中交一公局集团有限公司 | Multiple shear force key pile board rigid connection structure |
-
2020
- 2020-09-24 CN CN202011016141.4A patent/CN112095453A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016395A (en) * | 2021-11-01 | 2022-02-08 | 安徽省交通规划设计研究总院股份有限公司 | Rapid building system and construction method for bridge substructure |
| CN115370000A (en) * | 2022-08-05 | 2022-11-22 | 中交一公局集团有限公司 | Multiple shear force key pile board rigid connection structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108301317B (en) | Assembled pier structure and construction method thereof | |
| CN108560544B (en) | Sleeve connection assembled pile foundation and construction method thereof | |
| CN112095453A (en) | Multi-shear-resistant prefabricated pier beam connecting device and implementation method thereof | |
| CN110258362B (en) | Deformation control method for urban underground engineering to pass through existing bridge | |
| CN212834960U (en) | Prefabricated type pier of assembling | |
| CN210216126U (en) | Pier connection structure is assembled in prefabricated section of cutting | |
| CN115045181A (en) | Socket joint type node connection method and structure for prefabricated pier column and bearing platform in middle and high intensity region | |
| CN114541242B (en) | Anchor ear type concrete connection structure of assembled bridge pier column and pile foundation and construction method | |
| CN210827834U (en) | Assembled reinforced concrete beam column connection structure | |
| CN216740039U (en) | Self-resetting fabricated composite structure beam column side node with floor | |
| CN108677731B (en) | Rotary splicing structure and splicing method for capping beam and pier | |
| CN206512709U (en) | A kind of prestressed-concrete pile connects system | |
| CN213681691U (en) | Multiple prefabricated mound roof beam connecting device that shears | |
| CN111764303A (en) | Connecting structure and construction method of prefabricated pier stand column and bearing platform | |
| CN110130485B (en) | Prefabricated assembly type beam column node with toothed plates and assembly method thereof | |
| CN109722984B (en) | Semi-assembled thin-wall pier and assembly method thereof | |
| CN208039023U (en) | A kind of assembled bridge pier structure | |
| CN215289655U (en) | Connecting structure for fixedly connecting reinforced concrete pier stud and upper steel box girder of motor vehicle bridge | |
| CN211947917U (en) | Pile type pier assembly structure | |
| CN113982126A (en) | Novel corrugated pipe connection square steel pipe concrete splicing column | |
| CN111424647A (en) | Concrete precast pile connecting device and construction method thereof | |
| CN111188258A (en) | Novel assembled bridge substructure | |
| CN220394515U (en) | Combined pile system suitable for prestressed pipe pile with undulating bearing layer and cast-in-place pile | |
| CN216551908U (en) | Solid precast pile connection structure | |
| CN110528686A (en) | Assembled architecture and its construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |