CN211285316U

CN211285316U - Adopt hybrid elevated station structure of bridge construction of energy dissipation shock attenuation connection

Info

Publication number: CN211285316U
Application number: CN201921686387.5U
Authority: CN
Inventors: 罗云标; 陈跃波; 李忠献; 刘中宪
Original assignee: Tianjin University
Current assignee: Tianjin University
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-08-18
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses an adopt hybrid elevated station structure is built to bridge that energy dissipation shock attenuation is connected, this structure comprises station building structure, elevated bridge structure, energy dissipation shock attenuation attenuator and shaped steel connecting piece etc.. Through energy dissipation damping damper and shaped steel connecting piece, realize the building structure of standing the house and be connected with overpass structure. This hybrid elevated station structure is built to bridge that energy dissipation shock attenuation is connected not only antidetonation deformability is good, enable energy dissipation shock attenuation attenuator and shaped steel connecting piece both atress in coordination, full play respective advantage, provide extra rigidity, simple structure is reasonable separately, moreover than the reducible area of using in traditional "separation is built to bridge" type elevated station, can reduce the beam column component cross-sectional dimension of overpass than traditional "the unification is built to bridge" type elevated station, and then shorten construction period, reduce engineering cost.

Description

Adopt hybrid elevated station structure of bridge construction of energy dissipation shock attenuation connection

Technical Field

The utility model relates to a hybrid elevated station structure is built to bridge, in particular to hybrid elevated station structure is built to bridge that adopts energy dissipation shock attenuation to connect.

Background

According to the relation between the building of the station house of the elevated station and the part of the elevated bridge, the traditional elevated station is mainly divided into two types of 'bridge construction separation' and 'bridge construction integration'.

The "bridge is built to unify" type in traditional elevated station, as shown in fig. 1, the structure is built on the elevated bridge structure in room, and bridge bent cap, pier stud, basis are that bridge structure and room are built the structure in common, and the horizontal frame of bridge is built structural beam slab monolithic concreting through vertical room, forms the space frame system. Although structural integrity, stability are good, and the station building is arranged in a flexible way, and the column network arranges reasonable advantage, but the train vibration is obvious to the station room influence, and the structural calculation is comparatively complicated, and space frame structural member must satisfy bridge standard and room construction standard simultaneously, often leads to structural beam column component size great. Meanwhile, the load of the frame structure is uneven, and particularly in a section with poor geological conditions, the foundation is prone to uneven settlement. Once the foundation differential settlement occurs, the structure is damaged and repair is difficult.

In the form of 'bridge construction separation' of a traditional elevated station, as shown in fig. 2, the structure of a travelling crane part in the station range is consistent with that of an inter-zone bridge, and the traditional elevated station belongs to a bridge structure system; the rest part of the structure adopts a frame structure, and the platform and the station hall are arranged in the frame structure, belonging to a building structure system. Although the station hall floor has the advantages of definite structure force transfer path, simple stress, uneven settlement of foundation, small influence of station vibration and noise on the surrounding environment and convenience in processing the interface problem of the same area, the floor layout of the building structure of the station house is inflexible due to the existence of the pier with the larger cross section, the arrangement of station equipment facilities such as air conditioning equipment, escalator and barrier-free elevator in the building structure of the station house is difficult, and the building part of the station house and the overhead bridge part are independent respectively, so that more land is occupied and the engineering cost is higher.

Therefore, the structural form suitable for the urban rail elevated station needs to be researched and developed urgently, the engineering cost can be reduced, the construction period is slightly influenced, and meanwhile, the station building arrangement is more flexible.

Disclosure of Invention

An object of the utility model is to overcome prior art's shortcoming, provide a hybrid elevated station structure is built to bridge that adoption energy dissipation shock attenuation is connected that antidetonation deformability is good, the structure is simple reasonable more, construction economy is swift.

A bridge construction hybrid viaduct station structure adopting energy dissipation and shock absorption for connection comprises a station building structure and a viaduct structure, wherein the viaduct structure comprises a left row of viaduct piles and a right row of viaduct piles driven into the ground at a set viaduct structure, the tops of every two viaduct piles arranged corresponding to each other from left to right are respectively and transversely supported and fixed with an viaduct base beam, the left side and the right side of each viaduct base beam are respectively provided with an L-shaped supporting platform, the L-shaped supporting platforms on each side are respectively reserved and embedded with reinforcing steel bars in the vertical direction, the left side and the right side of the top wall of each viaduct base beam are respectively and vertically fixed with a viaduct column pier, the top walls of the two viaduct column piers on the same viaduct base beam are respectively and transversely fixed with a viaduct cover beam, the left side and the right side of each viaduct cover beam are respectively and transversely spaced and vertically, an I-shaped steel beam is fixedly connected to the support columns which are positioned on the same side and in the same row through full bolts;

the station building structure comprises a left row of station building piles and a right row of station building piles which are respectively arranged on the outer sides of the left row of viaduct piles and the right row of viaduct piles, the left row of viaduct piles and the right row of viaduct piles are driven into the ground to be arranged, an L-shaped station building foundation beam is poured on the top of each viaduct pile, the long side of each L-shaped station building foundation beam is arranged along the horizontal direction, is supported on the L-shaped supporting platforms on the same side and is fixedly connected with reinforcing steel bars, and the short side of each L-shaped station building foundation beam is fixedly connected with the station building foundation beam along the vertical direction;

a plurality of foundation bolts are embedded in the top of the short side of each L-shaped station house foundation beam, the bottoms of left and right columns of embedded station house steel columns arranged along the vertical direction are respectively fixedly connected with the L-shaped station house foundation beams correspondingly arranged through the foundation bolts, and the left and right sides of a roof steel beam are respectively erected and fixed on the station house steel columns on the left and right sides;

be fixed with a first hinged-support respectively on the outer wall at both ends about each overpass bent cap, be fixed with a second hinged-support respectively on the station room steel column inner wall with each first hinged-support relative position, be fixed with a station room steel column bracket through the bolt fastening respectively on the station room steel column inner wall of each second hinged-support top, all be fixed with a third hinged-support on the inner wall of each station room steel column bracket, the left and right sides of each overpass bent cap is the same with the connection structure between the station room steel column that corresponds the setting, be respectively: the energy dissipation and shock absorption damper is characterized in that an energy dissipation and shock absorption damper arranged in the horizontal direction is hinged between a first hinged support and a second hinged support which are arranged opposite to each other on the same side, a section steel connecting piece is hinged between a third hinged support and the first hinged support in an inclined manner, one side of a prefabricated platform beam plate arranged in the horizontal direction is connected with two I-shaped steel beam bolts, the other side of the prefabricated platform beam plate is simply supported on the top wall of a steel column bracket of a station house, and sleepers and steel rails are paved on the top surface of a cover beam of the viaduct.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses an among the viaduct station, the room building structure of standing does not build on viaduct structure, also not with viaduct structure complete separation, but through energy dissipation damping damper and shaped steel connecting piece, connects room building structure of standing and viaduct structure. The station building structure bears external loads such as wind load, earthquake action and the like, and simultaneously transmits partial load borne by the station building structure to the viaduct structure through the energy dissipation damping dampers and the section steel connecting pieces. The station building structure and the viaduct structure are stressed cooperatively, and the respective advantages are fully exerted. The relatively flexible station building is connected through energy dissipation and shock absorption, extra damping is provided for the bridge part of the elevated bridge, and the input seismic energy is dissipated by the bridge part of the elevated bridge; the viaduct structure is relatively 'rigid' and is connected through energy dissipation and shock absorption, extra rigidity is provided for the building structure, the phenomenon that the displacement response of the building structure is overlarge under the action of an earthquake is avoided, meanwhile, lateral support is provided for the building stand columns of the building structure, and the bearing capacity of the building structure is improved. Therefore, the structure of each part is more reasonable, and the deformability is good. Compare traditional "bridge construction unification" type elevated station, because elevated bridge portion need not undertake the gravity load of station room building structure, can reduce the design cross sectional dimension such as components such as elevated bridge stake, pier, foundation beam, bent cap. The overhead bridge is completely covered by the station building structure, and the internal space of the station building structure can be increased, so that the arrangement of station equipment facilities such as air conditioning equipment, escalator and barrier-free elevator in the station building structure is more flexible. Compare "separation" type elevated station is built to bridge, "and the hybrid elevated station structure is built to bridge that adopts the energy dissipation shock attenuation to connect has reduced the area at station, and portal frame's station room building structure has saved structure cost and space as the roof structure on platform layer and the room layer of standing simultaneously.

The building structure of the station house and the viaduct structure can be constructed simultaneously, and the defect that the lower part viaduct structure and the upper part station house structure must be constructed in sequence in the traditional 'bridge construction-in-one' type viaduct station is overcome. Thereby shortening the construction period and saving the engineering cost.

The I-shaped steel beam is in full-bolt connection with the cover beam of the viaduct, one side of the prefabricated platform beam plate is in full-bolt connection with the I-shaped steel beam connection area, and the other side of the prefabricated platform beam plate is simply supported on the upper surface of a steel column bracket of a station house, so that the mounting, the dismounting and the recovery after disasters are facilitated.

In conclusion, the bridge construction hybrid elevated station structure adopting energy dissipation and shock absorption for connection not only improves the anti-seismic performance and post-disaster recoverability, but also effectively shortens the construction period, reduces the construction cost and has good popularization prospect due to the simultaneous construction of the two and the reduction of the design section size of the member.

Drawings

FIG. 1 is a schematic diagram of a "bridge construction in one" type of a conventional elevated station;

FIG. 2 is a schematic view of a "bridge construction separation" type of a conventional elevated station;

FIG. 3 is a schematic diagram of a structure of a bridge construction hybrid elevated station using energy dissipation and shock absorption connections;

FIG. 4 is a schematic representation of a station building structure of the bridge construction hybrid elevated station structure of FIG. 3;

FIG. 5 is a schematic illustration of a viaduct structure of the hybrid elevated station structure of the bridge construction shown in FIG. 3;

FIG. 6 is a detailed view of the A-A node of the hybrid elevated station structure of the bridge construction shown in FIG. 3;

fig. 7 is a detailed B-B node diagram of the hybrid elevated station architecture of the bridge construction shown in fig. 3.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 3-7, the utility model discloses an adopt hybrid elevated vehicle station structure is built to bridge that energy dissipation shock attenuation is connected, including standing building structure and viaduct structure.

The viaduct structure comprises a left and a right rows of viaduct piles 6 which are driven into the ground at a set viaduct structure, the tops of every two viaduct piles 6 which are arranged corresponding to each other at the left and the right are respectively and transversely supported and fixed with an viaduct foundation beam 7, l-shaped supporting platforms are respectively arranged at the left side and the right side of each viaduct foundation beam 7, reinforcing steel bars 9 are respectively embedded on the L-shaped supporting platforms at each side along the vertical direction, the left and right sides of the top wall of each viaduct base beam 7 are respectively fixed with a viaduct pier 10 along the vertical direction, the top walls of two viaduct pier 10 on the same viaduct foundation beam 7 are respectively fixed with a viaduct cover beam 11 along the transverse direction, two support columns are respectively arranged on the left side and the right side of each viaduct bent cap 11 at intervals along the vertical direction, and an I-shaped steel beam 15 is fixedly connected to the support columns which are positioned on the same side and in the same row (longitudinal bridge direction) through full bolts.

The building structure of standing the room including setting up about two overpass piles 6 outsides about respectively two and stand room stake 1, about two overpass piles 6 squeeze into the underground setting, L shape room foundation beam 2 of standing has all been pour at the top of each overpass pile 6, L shape room foundation beam 2 long avris of standing set up and support along the horizontal direction and link to each other with embedded reinforcement 9 is fixed on the L shape brace table of homonymy. And the short side of the L-shaped station house foundation beam 2 is fixedly connected with the station house pile 1 along the vertical direction.

A plurality of foundation bolts are embedded in the top of the short side of each L-shaped station house foundation beam 2, and the bottoms of the left and right columns of embedded station house steel columns 3 arranged in the vertical direction are respectively fixedly connected with the L-shaped station house foundation beams 2 correspondingly arranged through the foundation bolts. The left side and the right side of the roof steel beam 5 are respectively erected and fixed on the station house steel columns 3 on the left side and the right side.

Be fixed with a first hinged-support 16 on the outer wall at each elevated bridge bent cap 11 about both ends respectively, be fixed with a second hinged-support 17 on the 3 inner walls of station room steel column 3 with each first hinged-support 16 relative position respectively, be fixed with a station room steel column bracket 4 through the bolt fastening respectively on the 3 inner walls of station room steel column of each second hinged-support 17 top, all be fixed with a third hinged-support 18 on the inner wall of each station room steel column bracket 4, the left and right sides of each elevated bridge bent cap 11 is the same with the connection structure between the station room steel column 3 that corresponds the setting, be respectively: and an energy dissipation damping damper 12 arranged along the horizontal direction is hinged between a first hinged support 16 and a second hinged support 17 which are arranged opposite to each other on the same side. A section steel connecting piece 13 is connected between the third hinged support 18 and the first hinged support 16 in an oblique hinged mode, one side of a prefabricated platform beam plate 14 arranged in the horizontal direction is connected with the two I-shaped steel beams 15 through bolts, and the other side of the prefabricated platform beam plate 14 is simply supported on the top wall of the steel column bracket 4 of the station house. Sleepers and steel rails 19 are laid on the top surface of the viaduct bent cap 11.

The energy dissipation damping damper 12 is connected with a first hinged support 16 on the capping beam 11 of the viaduct through a high-strength bolt (high strength in the high-strength bolt refers to a high-strength bolt, and belongs to a standard component), is connected with a second hinged support 17 on the steel column 3 of the station house through the high-strength bolt, and is connected with the building structure of the station house and the viaduct structure, so that the two are stressed in a coordinated manner to provide extra rigidity.

The section steel connecting piece 13 is connected with a hinged support 16 on the viaduct bent cap 11 through a high-strength bolt and is connected with a third hinged support 18 on the steel column bracket 4 of the station house through the high-strength bolt, and the station house building structure and the viaduct structure are connected, so that the station house building structure and the viaduct structure are stressed in a coordinated manner, and extra rigidity is provided.

The station house foundation beam 2 is connected with the viaduct foundation beam 7 in an overlapping mode through the embedded steel bars 9 on the bracket 8 of the viaduct foundation beam.

During specific construction, the station building structure and the viaduct structure are respectively constructed at the same time.

When the building structure of the construction station house is constructed, the construction process is as follows: and (3) piling a station building pile 1, cutting the pile to a designed elevation, and reserving a steel bar to enter a station building foundation beam 2. And (3) binding a foundation beam 2 steel bar of the station house on a formwork of a foundation beam 2 of the station house on the upper surface of the station house pile 1, embedding a foundation bolt of a steel column 3 of the station house, and pouring concrete. And the steel column 3 of the station house is connected with the embedded foundation bolt. And the station house steel column 3 is in bolted connection with the station house steel column bracket 4. Roof girder 5 is set up on station house steel column 3.

When the viaduct structure is constructed, the construction process comprises the following steps: and (5) driving the viaduct pile 6, cutting the pile to a designed elevation, and reserving a steel bar to enter the viaduct foundation beam 7. Supporting a template of the foundation beam 7 of the viaduct on the upper surface of the viaduct pile 6, binding the steel bars of the foundation beam 7 of the viaduct, reserving the steel bars in the junction area of the bottom surface of the pier 10 of the viaduct and the foundation beam 7 of the viaduct to enter the pier 10 of the viaduct, pre-embedding the steel bars 9 on the bracket 8 of the foundation beam of the viaduct, and pouring concrete, as shown in fig. 5, so as to realize the lap joint of the foundation beam 2 of the station building and the foundation beam 7 of the viaduct. Binding the steel bars of the viaduct pier 10, reserving the steel bars on the upper surface of the viaduct pier 10, entering the viaduct bent cap 11, supporting the viaduct pier 10 template, and pouring concrete. Supporting a viaduct cover beam 11 template on the upper surface of the viaduct pier 10, binding a viaduct cover beam 11 reinforcing steel bar, embedding bolts in a connection area of an I-shaped steel beam 15 and the viaduct cover beam 11, and pouring concrete. The I-shaped steel beam 15 is in full-bolt connection with the viaduct bent cap 11. One side of the prefabricated platform beam plate 14 is connected with the I-shaped steel beam 15 connection area through bolts, and the other side of the prefabricated platform beam plate 14 is simply supported on the upper surface of the steel column bracket 4 of the station house. Sleepers and steel rails 19 are laid on the corresponding positions of the upper surface of the viaduct bent cap 11.

The energy dissipation damping damper 12 is connected with a first hinged support 16 on the elevated bridge bent cap 11 through a high-strength bolt, and is connected with a second hinged support 17 on the steel column 3 of the station house through a high-strength bolt. The section steel connecting piece 13 is connected with a hinged support 16 on the elevated bridge bent cap 11 through a high-strength bolt, and is connected with a third hinged support 18 on the steel column bracket 4 of the station house through a high-strength bolt. The connection between the building structure of the station house and the viaduct structure is realized.

The above description of the present invention is provided to facilitate understanding and application of the present invention by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications can be easily made to the present invention and applied to other embodiments without having to go through the inventive work. Therefore, the present invention is not limited to the embodiments herein, and those skilled in the art should understand that modifications and alterations made without departing from the scope of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides an adopt bridge construction hybrid elevated station structure of energy dissipation shock attenuation connection, includes station building structure and elevated bridge structure, its characterized in that:

the viaduct structure comprises a left and a right columns of viaduct piles (6) driven into the ground at a set viaduct structure, the top parts of every two overhead bridge piles which are arranged corresponding to each other at the left and the right are respectively and transversely supported and fixed with an overhead bridge foundation beam (7), l-shaped supporting platforms are respectively arranged at the left side and the right side of each viaduct foundation beam, reinforcing steel bars (9) are respectively embedded on the L-shaped supporting platforms at each side along the vertical direction, the left side and the right side of the top wall of each viaduct foundation beam are respectively fixed with a viaduct pier (10) along the vertical direction, the top walls of two viaduct pier positioned on the same viaduct foundation beam are respectively fixed with a viaduct cover beam (11) along the transverse direction, two support columns are respectively arranged on the left side and the right side of each viaduct bent cap at intervals along the vertical direction, an I-shaped steel beam (15) is fixedly connected to the support columns which are positioned on the same side and in the same row through full bolts;

the station building structure comprises a left row of station building piles (1) and a right row of station building piles (1) which are respectively arranged on the outer sides of the left row of viaduct piles and the right row of viaduct piles, wherein the left row of viaduct piles and the right row of viaduct piles are driven into the ground to be arranged, an L-shaped station building foundation beam (2) is poured at the top of each viaduct pile, the long side of the L-shaped station building foundation beam is arranged along the horizontal direction, is supported on an L-shaped supporting platform on the same side and is fixedly connected with embedded steel bars (9), and the short side of the L-shaped station building foundation beam (2) is fixedly connected with the station building piles (1) along;

a plurality of foundation bolts are embedded in the top of the short side of each L-shaped station house foundation beam, the bottoms of left and right columns of embedded station house steel columns (3) arranged along the vertical direction are respectively fixedly connected with the L-shaped station house foundation beams correspondingly arranged through the foundation bolts, and the left and right sides of a roof steel beam (5) are respectively erected and fixed on the station house steel columns on the left and right sides;

be fixed with a first hinged-support (16) on the outer wall at both ends about each overpass bent cap respectively, be fixed with a second hinged-support (17) respectively on the station room steel column inner wall with each first hinged-support relative position, be fixed with a station room steel column bracket (4) through the bolt fastening respectively on the station room steel column inner wall of each second hinged-support top, all be fixed with a third hinged-support (18) on the inner wall of each station room steel column bracket, the left and right sides of each overpass bent cap is the same with the connection structure between the station room steel column that corresponds the setting, be respectively: an energy dissipation damping damper (12) arranged in the horizontal direction is hinged between a first hinged support (16) and a second hinged support which are arranged opposite to each other on the same side, a section steel connecting piece (13) is hinged between a third hinged support and the first hinged support in an inclined manner, one side of a prefabricated platform beam plate (14) arranged in the horizontal direction is connected with two I-shaped steel beams (15) through bolts, the other side of the prefabricated platform beam plate (14) is simply supported on the top wall of a steel column bracket (4) of a station room, and sleepers and steel rails (19) are paved on the top surface of a cover beam of the viaduct.