CN210827084U - Steel plate connection prefabricated segment pier connection structure with external energy consumption device - Google Patents
Steel plate connection prefabricated segment pier connection structure with external energy consumption device Download PDFInfo
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- CN210827084U CN210827084U CN201921594619.4U CN201921594619U CN210827084U CN 210827084 U CN210827084 U CN 210827084U CN 201921594619 U CN201921594619 U CN 201921594619U CN 210827084 U CN210827084 U CN 210827084U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 171
- 239000010959 steel Substances 0.000 title claims abstract description 171
- 238000005265 energy consumption Methods 0.000 title claims abstract description 42
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge construction, in particular to a steel plate connection prefabricated segment pier connection structure of an external energy consumption device, which comprises a bearing platform, prefabricated segment piers and a bent cap; the prefabricated section bridge piers are provided with a plurality of groups which are sequentially connected in the vertical direction; connecting steel members are pre-embedded in two ends of each prefabricated section pier and contact surfaces of the prefabricated section pier, the bearing platform and the cover beam, each connecting steel member further comprises a pre-embedded steel plate and a shear steel pipe assembly, bolt openings are formed in the pre-embedded steel plates, the shear steel pipe assemblies are divided into two sections and are respectively arranged on opposite surfaces of the connecting steel members, and when the connecting steel members are connected, one section of the two sections of the shear steel pipe assemblies which are oppositely arranged penetrates into the other section; the edge protrusion of connecting the steel member is connected with energy consumption device in the lateral wall of prefabricated segment pier between two connecting steel members at prefabricated segment pier both ends, and energy consumption device supports between two connecting steel members for consume the energy that prefabricated segment pier vibrations produced.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a prefabricated segment pier joint construction is connected to external power consumption device's steel sheet.
Background
A pier generally refers to an intermediate support structure spanning a bridge, which bears not only the load of the structure but also the pressure of flowing water, wind force on the water surface and the impact of other floating objects or even ships. In recent years, pier assembled structures are more and more widely applied to various projects under the guidance of national policies and technical development.
However, compared with the traditional integral cast-in-place pier, the fabricated structure has the advantage of high construction speed and also has some defects. On one hand, the lateral bearing capacity is lower than that of a cast-in-place pier, the joint of the prefabricated assembled pier is a weak position, and the prefabricated assembled pier is usually cracked from the joint under the action of lateral load, so that the prefabricated assembled pier is damaged; on the other hand, the energy consumption capacity is lower, and the hysteresis energy consumption capacity is poorer due to the existence of the joint.
In view of the above problems, the designer actively makes research and innovation based on years of abundant practical experience and professional knowledge in engineering application of such products and by using the knowledge and theory, and aims to create a steel plate connection prefabricated segment pier connection structure with an external energy consumption device, so that the steel plate connection prefabricated segment pier connection structure is more practical.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the steel plate connection prefabricated segment pier connection structure with the external energy dissipation device is provided, and lateral bearing capacity and energy dissipation capacity are improved.
In order to achieve the purpose, the utility model provides a steel plate connection prefabricated segment pier connection structure of an external energy consumption device, which comprises a bearing platform, prefabricated segment piers and a capping beam; the prefabricated section bridge piers are provided with a plurality of groups, and are sequentially connected in the vertical direction, the bottommost ends of the prefabricated section bridge piers are connected with the bearing platform, and the topmost ends of the prefabricated section bridge piers are connected with the capping beam;
connecting steel members are embedded in two ends of each prefabricated section pier and contact surfaces of the prefabricated section pier, the bearing platform and the cover beam, each connecting steel member further comprises an embedded steel plate and a shear-resistant steel pipe assembly, bolt openings are formed in the embedded steel plates and used for connection between the connecting steel members, the shear-resistant steel pipe assemblies are divided into two sections and are respectively arranged on opposite surfaces of the connecting steel members, and when the connecting steel members are connected, one section of the two sections of the shear-resistant steel pipe assemblies which are oppositely arranged penetrates into the other section;
connect the edge protrusion of steel member in the lateral wall of prefabricated section pier, two at prefabricated section pier both ends be connected with energy consumption device between the connection steel member, energy consumption device supports in two between the connection steel member, be used for consuming the energy that prefabricated section pier vibrations produced.
Preferably, an overhanging connecting piece is arranged at the edge of the embedded steel plate, the overhanging connecting piece and the embedded steel plate are of an integral structure, the overhanging connecting piece is formed by bending twice at 90 degrees, and the bolt port is formed in a plate of the overhanging connecting piece parallel to the embedded steel plate.
Preferably, a steel plate pre-buried opening and a shearing steel pipe penetrating hole are formed in the panel of the pre-buried steel plate, and a plurality of steel plate pre-buried openings and shearing steel pipe penetrating holes are uniformly formed in the panel of the pre-buried steel plate.
Preferably, the shear steel tube assembly comprises: the outer diameter of the first shear-resistant steel pipe is smaller than the inner diameter of the second shear-resistant steel pipe, the outer end of the first shear-resistant steel pipe protrudes out of the joint surface, and the outer end of the second shear-resistant steel pipe is flush with the joint surface.
Preferably, the energy consumption device comprises at least two deformed bars and at least one straight threaded joint, the two deformed bars are connected through the straight threaded joint, and the two outermost ends of the deformed bars are connected with the overhanging connecting piece.
Preferably, the number of the threaded steel bars is three, the number of the straight threaded joints is two, and the three threaded steel bars are connected through the two straight threaded joints.
Preferably, a reinforcing rib is fixed on the overhanging connecting piece, a threaded hole is vertically arranged on the reinforcing rib, and the threaded hole is connected with two ends of the threaded steel bar.
Preferably, the energy consumption device is at least arranged on the prefabricated segment pier connected with the bearing platform.
The utility model has the advantages that: the utility model has the advantages that the anti-shearing steel pipe component not only plays a role of shearing resistance, but also provides a positioning and guiding function in a field assembly mode, simplifies the difficulty of field operation, and improves the installation efficiency of field connection; meanwhile, the connecting steel members are tightly connected through bolts, so that the joints are protected, the crack development at the joints is delayed, and the lateral bearing capacity of the prefabricated assembled pier is improved; in addition, the energy consumption device is simple and convenient to connect and replaceable, and hysteresis energy consumption capacity of the prefabricated assembled pier is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in 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 a connection structure of a steel plate connection prefabricated segment pier of an external energy consumption device in the embodiment of the present invention;
fig. 2 is a sectional view taken along the direction a of fig. 1 according to an embodiment of the present invention;
FIG. 3 is a front view of a connecting steel member according to an embodiment of the present invention;
fig. 4 is a top view of fig. 3 in an embodiment of the present invention;
fig. 5 is a schematic view of an assembly structure of a prefabricated segment pier in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an energy consumption device according to an embodiment of the present invention;
fig. 7-9 are the embodiment of the present invention provides an assembling schematic diagram of the connection structure of the steel plate connection prefabricated segment pier of the external energy dissipation device.
Reference numerals: 10-bearing platform, 20-prefabricated segment pier, 30-capping beam, 40-connecting steel member, 41-embedded steel plate, 42-shear steel pipe assembly, 43-energy consumption device, 411-overhanging connector, 412-steel plate embedded opening, 413-shear steel pipe through hole, 414-reinforcing rib, 421-first shear steel pipe, 422-second shear steel pipe, 431-twisted steel bar and 432-straight threaded joint.
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.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner" and "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present invention.
The steel plate connection prefabricated segment pier connection structure of the external energy consumption device shown in fig. 1 and 2 comprises a bearing platform 10, a prefabricated segment pier 20 and a cover beam 30; the prefabricated section pier 20 is provided with a plurality of groups which are sequentially connected in the vertical direction, the bottommost end of the prefabricated section pier is connected with the bearing platform 10, and the topmost end of the prefabricated section pier is connected with the capping beam 30; as shown in fig. 1, the precast segmental piers 20 are fixed to the top end of the cap platform 10 in a manner of being connected from bottom to top, the precast segmental piers 20 are sequentially connected in the height direction, and the bottom end of the capping beam 30 is fixed to the uppermost precast segmental pier 20.
Connecting steel members 40 are embedded in the two ends of each prefabricated section pier 20 and the contact surfaces of the prefabricated section pier 20, the bearing platform 10 and the cover beam 30, each connecting steel member 40 further comprises an embedded steel plate 41 and a shear steel pipe assembly 42, bolt openings are formed in the embedded steel plates 41 and used for connecting the steel members 40, the shear steel pipe assemblies 42 are divided into two sections and are respectively arranged on the opposite surfaces of the connecting steel members 40, and when the connecting steel members 40 are connected, one section of the two sections of the shear steel pipe assemblies 42 which are oppositely arranged penetrates into the other section; in the concrete connection, the shear steel pipe assembly 40 is aligned, and then the upper segment precast segment pier 20 is slowly dropped, and then the two connection steel members 40 are fastened by passing bolts through bolt openings. In the process, the shear steel pipe assembly 40 also plays a guiding role, after the fixation is completed, the shear steel pipe assembly 40 greatly improves the lateral bearing capacity of the prefabricated section pier 20, and the concrete pier is protected by the arrangement of the connecting steel member 40, so that the joints are protected, the crack development at the joints is delayed, and the service life of the pier is prolonged.
The edges of the connecting steel members 40 protrude out of the side walls of the prefabricated section pier 20, an energy consumption device 43 is connected between the two connecting steel members 40 at the two ends of the prefabricated section pier 20, and the energy consumption device 43 is supported between the two connecting steel members 40 and used for consuming energy generated by vibration of the prefabricated section pier 20. Through the arrangement of the energy consumption device 43, the hysteretic energy consumption capability of the pier after bearing vibration can be improved, the joint is further protected, and the safety performance of pier connection is improved.
As shown in fig. 3 and 4, preferably, the edge of the embedded steel plate 41 is provided with an outward extending connector 411, the outward extending connector 411 and the embedded steel plate 41 are formed as an integral structure, the outward extending connector 411 is formed by bending twice through 90 °, and the bolt hole is provided on a plate where the outward extending connector 411 and the embedded steel plate 41 are parallel. The embodiment of the utility model provides an in, connecting steel member 40 passes through cast-in-place shaping back of mould with pre-buried steel sheet 41 and pier structure integrative, in order to improve the joint strength between steel sheet 41 and the concrete pier, set up overhanging connecting piece 411 to with pre-buried steel sheet 41 integral type structure, the joint strength between overhanging connecting piece 411 and the pre-buried steel sheet has been strengthened, and overhanging connecting piece 441 buckles once the back and the lateral wall laminating of pier, also further improved the joint strength between connecting steel member 40 and the pre-buried steel sheet 41, still be convenient for connect steel member 40's shaping.
Specifically, referring to fig. 3, a steel plate pre-buried opening 412 and a shear steel pipe through hole 413 are formed in the panel of the pre-buried steel plate 41, and the steel plate pre-buried opening 412 and the shear steel pipe through hole 413 are disposed in plural and are uniformly distributed on the panel of the pre-buried steel plate 41. When the connecting steel member 40 is formed, the steel plate is embedded in the concrete bridge pier through the steel plate embedding opening 412, and the shear steel pipe assembly 42 is further embedded in the concrete bridge pier through the shear steel pipe penetration hole 413, which is beneficial to improving the shear resistance of the shear steel pipe assembly 42.
When the shear steel duct assembly 43 is installed, as shown in fig. 5, the shear steel duct assembly 42 includes: first anti-shear steel pipe 421 and second anti-shear steel pipe 422, the external diameter of first anti-shear steel pipe 421 is less than the internal diameter of second anti-shear steel pipe 422, and the outer end protrusion in the seam face setting of first anti-shear steel pipe 421, the outer end and the seam face of second anti-shear steel pipe 422 are the same level setting. It should be noted that fig. 5 only shows one connection relationship of the shear-resistant steel pipes 421, and a technical solution that the first shear-resistant steel pipe 421 is disposed below and the second shear-resistant steel pipe 422 is disposed above may also be adopted, which also falls within the protection scope of the present invention.
As a preference of the above embodiment, regarding the energy consumption device 43, as shown in fig. 6, the energy consumption device 43 includes at least two threaded bars 431 and at least one straight threaded joint 432, the two threaded bars 431 are connected by the straight threaded joint 432, and both ends of the outermost portion of the threaded bars 431 are connected to the outwardly extending connectors 411. Because the overhanging connectors 411 are fixed on two sides of the prefabricated section pier, the length cannot be changed, and therefore one twisted steel 431 cannot be directly installed, the straight twisted steel 432 is arranged, the penetration depth of the twisted steel 431 is changed through the straight twisted steel 432, and therefore the twisted steel 431 can be conveniently installed and replaced, and the maintainability of the energy consumption device 43 is improved by arranging the energy consumption device 43 on the outer side, and the improvement of the anti-seismic performance of the pier is facilitated.
As a preferable example of the above embodiment, with reference to fig. 6, three reinforcing bars 431 are provided, two straight threaded joints 432 are provided, and the three reinforcing bars 431 are connected by the two straight threaded joints 432. Set up three screwed reinforcement 431 and can fix two screwed reinforcement earlier on overhanging connecting piece 411, then overlap and establish straight screwed joint 432, the screwed reinforcement 431 in the middle of mode through rotatory straight screwed joint 432 is fixed, and this fixed mode need not change inside helicitic texture, also makes things convenient for manufacturing when easy to assemble and dismantle.
The embodiment of the utility model provides an in, overhanging connecting piece 411 still has the function of making level except as the connecting piece, consequently will guarantee the roughness of overhanging connecting piece 411 seam crossing, reduces overhanging connecting piece 411's deflection promptly, in order to realize above-mentioned function, is fixed with stiffening rib 414 on the overhanging connecting piece 411, and stiffening rib 414 is along the vertical screw hole that is provided with, and the screw hole is connected with twisted steel 431's both ends. The embodiment of the utility model provides an in, utilize stiffening rib 411's additional strengthening, set up the screw hole on it and be used for fixed rebar 431, further improved rebar 431's connection fixed strength again.
In order to ensure the maximum utilization of the energy consumption devices 43, the energy consumption devices 43 are arranged at least on the prefabricated segment piers 20 connected to the bearing platform 10. Since the load at the cap 10 is the heaviest, at least one set of energy consuming devices 43 is provided on the prefabricated segment piers 20 to which the cap 10 is connected.
To more clearly describe the technical solution of the present embodiment, the installation process of the present embodiment is further described below with reference to fig. 7 to 9.
Before installation, the prefabricated segment pier 20 is prefabricated and molded in a factory, that is, the connecting steel structural members 40 and the shear steel pipe assemblies 42 are pre-embedded in the prefabricated segment pier 20. During assembly, the prefabricated segment pier 20 is hoisted to the position above the bearing platform 10, the shear steel pipe assembly 42 plays a role in positioning, and after joint surfaces are aligned and leveled, the overhanging connector 411 is fixed by using bolts; and then sequentially installing other prefabricated segment piers 20 upward in this manner, and finally fixing the capping beams 30 to the uppermost prefabricated segment pier 20 in the same manner. Finally, the twisted steel 421 is fixed by the threaded hole formed on the reinforcing rib 414, and then the middle is fixed by the straight threaded joint 432, thereby forming the external energy consumption device 43.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A steel plate connection prefabricated segment pier connection structure with an external energy consumption device is characterized by comprising a bearing platform (10), prefabricated segment piers (20) and capping beams (30); the prefabricated section piers (20) are provided with a plurality of groups which are sequentially connected in the vertical direction, the bottommost ends of the prefabricated section piers are connected with the bearing platform (10), and the topmost ends of the prefabricated section piers are connected with the capping beams (30);
connecting steel members (40) are embedded in the two ends of each prefabricated section pier (20) and the contact surfaces of the prefabricated section pier (20) and the bearing platform (10) and the cover beam (30), each connecting steel member (40) further comprises an embedded steel plate (41) and a shear-resistant steel pipe assembly (42), each embedded steel plate (41) is provided with a bolt opening for connection between the corresponding connecting steel members (40), each shear-resistant steel pipe assembly (42) is divided into two sections and is respectively arranged on the opposite surfaces of the corresponding connecting steel members (40), and when the corresponding connecting steel members (40) are connected, one section of the two sections of the shear-resistant steel pipe assemblies (42) which are oppositely arranged penetrates into the other section;
connect the edge protrusion in of steel member (40) the lateral wall of prefabricated section pier (20), two at prefabricated section pier (20) both ends be connected with energy consumption device (43) between connecting steel member (40), energy consumption device (43) support in two between connecting steel member (40), be used for consuming the energy that prefabricated section pier (20) vibrations produced.
2. The pier connection structure of the steel plate connection prefabricated segment of the external energy consumption device as recited in claim 1, wherein an external connector (411) is disposed at an edge of the embedded steel plate (41), the external connector (411) and the embedded steel plate (41) are of an integral structure, the external connector (411) is formed by bending twice through 90 degrees, and the bolt openings are disposed on the plates of the external connector (411) parallel to the embedded steel plate (41).
3. The steel plate connection prefabricated segment pier connection structure of the external energy consumption device according to claim 1, wherein a steel plate pre-buried port (412) and a shear steel pipe through hole (413) are formed in a panel of the pre-buried steel plate (41), and a plurality of steel plate pre-buried ports (412) and a plurality of shear steel pipe through holes (413) are formed in the panel of the pre-buried steel plate (41) and are uniformly distributed on the panel of the pre-buried steel plate (41).
4. The steel plate-connected precast segment pier connection construction of an external energy consumption device according to claim 1, wherein the shear steel pipe assembly (42) comprises: the steel pipe shear resistant structure comprises a first shear resistant steel pipe (421) and a second shear resistant steel pipe (422), wherein the outer diameter of the first shear resistant steel pipe (421) is smaller than the inner diameter of the second shear resistant steel pipe (422), the outer end of the first shear resistant steel pipe (421) protrudes out of a joint surface, and the outer end of the second shear resistant steel pipe (422) is flush with the joint surface.
5. The steel plate connection prefabricated segment pier connection structure of an external energy consumption device according to claim 2, wherein the energy consumption device (43) comprises at least two threaded steel bars (431) and at least one straight threaded joint (432), the threaded steel bars (431) are connected through the straight threaded joint (432), and the outermost ends of the threaded steel bars (431) are connected with the external connectors (411).
6. The steel plate connection prefabricated segment pier connection structure with the external energy consumption device as recited in claim 5, wherein the number of the twisted steel bars (431) is three, the number of the straight screwed joints (432) is two, and the three twisted steel bars (431) are connected by two straight screwed joints (432).
7. The steel plate connection prefabricated segment pier connection structure of the external energy consumption device according to claim 5 or 6, wherein a reinforcing rib (414) is fixed on the external extending connector (411), and the reinforcing rib (414) is vertically provided with a threaded hole connected with two ends of the threaded steel bar (431).
8. The pier connection construction of steel plate-connected prefabricated segments with external energy consumption devices as claimed in claim 7, wherein the energy consumption devices (43) are disposed at least on the prefabricated segment piers (20) connected by the cap (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921594619.4U CN210827084U (en) | 2019-09-24 | 2019-09-24 | Steel plate connection prefabricated segment pier connection structure with external energy consumption device |
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| CN201921594619.4U CN210827084U (en) | 2019-09-24 | 2019-09-24 | Steel plate connection prefabricated segment pier connection structure with external energy consumption device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585049A (en) * | 2021-09-08 | 2021-11-02 | 辽宁省交通规划设计院有限责任公司 | Self-resetting prefabricated assembled concrete filled steel tube pier node connection structure with replaceable plastic hinges and manufacturing method thereof |
| CN113718635A (en) * | 2021-08-28 | 2021-11-30 | 中交一公局集团有限公司 | Main arch structure of overpass bridge |
-
2019
- 2019-09-24 CN CN201921594619.4U patent/CN210827084U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718635A (en) * | 2021-08-28 | 2021-11-30 | 中交一公局集团有限公司 | Main arch structure of overpass bridge |
| CN113718635B (en) * | 2021-08-28 | 2022-11-18 | 中交一公局集团有限公司 | Main arch structure of overpass bridge |
| CN113585049A (en) * | 2021-09-08 | 2021-11-02 | 辽宁省交通规划设计院有限责任公司 | Self-resetting prefabricated assembled concrete filled steel tube pier node connection structure with replaceable plastic hinges and manufacturing method thereof |
| CN113585049B (en) * | 2021-09-08 | 2022-11-08 | 辽宁省交通规划设计院有限责任公司 | Self-resetting prefabricated assembled concrete filled steel tube pier node connecting structure with replaceable plastic hinges and construction method thereof |
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