CN109853636A - A kind of assembled subway station center pillar and arc rubber support Self-resetting shock-absorption structure - Google Patents

A kind of assembled subway station center pillar and arc rubber support Self-resetting shock-absorption structure Download PDF

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Publication number
CN109853636A
CN109853636A CN201910255533.7A CN201910255533A CN109853636A CN 109853636 A CN109853636 A CN 109853636A CN 201910255533 A CN201910255533 A CN 201910255533A CN 109853636 A CN109853636 A CN 109853636A
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China
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prefabricated
center pillar
plate
arc
rubber support
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CN201910255533.7A
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CN109853636B (en
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王苏扬
徐航
郑厚国
孙前辉
姜闯
崔振东
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

A kind of assembled subway station center pillar and arc rubber support Self-resetting shock-absorption structure disclosed by the invention, including by prefabricated top plate, prefabricated panel, the interior space of metro station that prefabricated side wall and prefabricated center pillar are constituted, prefabricated side wall and prefabricated top plate, prefabricated panel junction is respectively equipped with the arc rubber support for making total become " hinged " from " just connecing ", the deformed bar of prefabricated top plate and prefabricated panel is respectively equipped with across arc rubber support both sides and is connected in the left and right sides of prefabricated side wall, deformed bar two ends are anchored with nut and are fixed, prefabricated center pillar is " I " shape structure, the two ends of prefabricated center pillar are connect in the middle part of prefabricated top plate and prefabricated panel by joinery and its construction respectively, pass through joinery and its construction, under geological process, center pillar and station top plate, the moment of flexure of station bottom plate link position is released, it reduces to station Damage;Using the prefabricated center pillar of steel cylinder concrete, the intensity of center pillar is substantially increased, reduces the deformation of center pillar, improves the shock resistance of center pillar.

Description

A kind of assembled subway station center pillar and arc rubber support Self-resetting shock-absorption structure
Technical field
The present invention relates to the technical fields of subway station damping, and in particular to the prefabricated side wall in a kind of connection subway station and pre- The assembled subway station center pillar of top plate and prefabricated panel processed and the Self-resetting shock-absorption structure of arc rubber support.
Background technique
With the rapid development of China's economic, urban population it is increasing, Urban Traffic Jam Based and environment are asked Topic is increasingly becoming the obstacle for restricting urban development.Underground Space Resource is developed, construction subway is to solve having for urban traffic congestion One of effect approach, subway have the characteristics of quick, efficient, cleaning, and advantage is obvious.For subway station, Since subway station is largely all located at underground and is all located at dense population areas, once coming earthquake, it will to the life of people Safety and property bring grave danger.In nineteen ninety-five the big earthquakes in Osaka and Kobe, a large amount of subway tunnel, station are destroyed, and are caused Huge economic loss and casualties.The extent of the destruction for wherein opening subway station and upper damp subway station greatly is the most serious, and half The above center pillar of number destroys in earthquake, this secondary earthquake causes the extensive attention of civil engineering field, therefore the reinforcing of center pillar Damping is one of emphasis, but the processing of existing patent center pillar is simply to lack innovation using rubber spacer mostly.In addition when Preceding subway station side wall and top plate and bottom plate junction mostly use " just connecing " mode of cast in situs, and damping effect is poor, therefore in mesh In preceding subway station earthquake research, one general orientation is exactly that some components for having connect subway station just become hinged.But it is existing special Benefit " will just connect " when becoming " hinged ", and the variable displacement of junction is uncontrollable, influence station overall stability and the later period repairs, Such as Beijing University of Technology Du Xiuli et al. " a kind of Self-resetting assembled subway station flexible anti-shock structure " (patent No. CN The flexible system that a kind of combination presstressed reinforcing steel and rubber support 106351494A) are used between side wall and top plate and bottom plate, although making Structure is provided with certain antidetonation and self-resetting capability, but its rubber support does not have radian, and power transmission is less reliable, and rotation is not clever enough It is living, it is not suitable with structure and significantly waves or open and close, structure self-resetting capability has improvement space.
Summary of the invention:
Technical problem: a kind of with good damping property the purpose of the present invention is in view of the deficiencies of the prior art, providing And can be there is the assembled subway station center pillar and arc rubber support Self-resetting shock-absorption structure of self-resetting capability after shake.
Technical solution: to achieve the above object, a kind of assembled subway station center pillar and arc rubber support of the invention Self-resetting shock-absorption structure, including the interior space of metro station being made of prefabricated top plate, prefabricated panel, prefabricated side wall and prefabricated center pillar, The prefabricated side wall and prefabricated top plate, prefabricated panel junction, which is respectively equipped with, makes total become " hinged " from " just connecing " Arc rubber support, to increase the flexibility of station entirety;The arc rubber support arc of prefabricated side wall and prefabricated top plate junction Upwards, prefabricated side wall and the arc rubber support arc of prefabricated panel junction are downward;Divide in the left and right sides of prefabricated side wall Across arc rubber support both sides and the deformed bar of prefabricated top plate and prefabricated panel, deformed bar both ends She You not be connected to Head with nut anchor fix, the prefabricated center pillar be " I " shape structure, the two ends of prefabricated center pillar respectively with prefabricated top plate and in advance It is connected in the middle part of bottom plate processed by joinery and its construction, the joinery and its construction is equipped with matched rubber spacer, and is equipped with and laterally wears The long anchor bolt of prefabricated center pillar is crossed, rubber spacer is equipped with the rubber spacer for passing perpendicularly through joinery and its construction and prefabricated middle column end Bolt is combined together by rubber spacer bolt and prefabricated middle column end, and rubber spacer damping is utilized while strengthening fixed.
The arc rubber support includes rubber spacer a, curved plate a, middle part rubber spacer, curved plate b, rubber pad Layer b and anchor bolt;The rubber spacer a is located between the prefabricated side wall of curved plate a and subway station, to reduce curved plate The gap of a and the prefabricated side wall in subway station, enhance its conjugation;Rubber spacer b is located at curved plate b and the prefabricated bottom in subway station Between plate, to reduce the gap of curved plate b Yu subway station prefabricated panel, enhance its conjugation;In curved plate a and arc There is the middle part rubber spacer to match between steel plate b;When lateral displacement occurs for prefabricated side wall, cover in deformed bar and thereon Under the action of soil pressure, make ability of the whole station structure with Self-resetting.
The deformed bar for passing through arc rubber support both sides and being pierced by prefabricated top plate and prefabricated panel is two rows, often Number of rows amount requires to determine according to Specific construction.
The prefabricated side wall both ends are with arc rubber support arc to the arc to match.
Steel cylinder is equipped with outside the prefabricated center pillar, the inner wall of steel cylinder, which is equipped with several, can enhance the company of steel cylinder and concrete The rivet connect makes steel cylinder and concrete become an entirety, enhances prefabricated center pillar intensity.
The top of the prefabricated side wall is provided with note water-proof concrete on the outside of the past upper arcuate rubber support tilted upward Injected hole, the lower part of prefabricated side wall are provided with the slip casting of note water-proof concrete on the outside of past lower curved rubber support diagonally downward Hole.
The prefabricated side wall and prefabricated panel junction are equipped with the displacement for monitoring prefabricated side wall and the displacement of arc rubber support Monitoring device.
The utility model has the advantages that the present invention connects prefabricated center pillar and prefabricated top plate, prefabricated panel using joinery and its construction, in geological process Under, the moment of flexure of center pillar and station top plate, station bottom plate link position is released, and reduces the damage to station;Using steel cylinder Concrete prefabricated center pillar substantially increases the intensity of center pillar, reduces the deformation of center pillar, improves the shock resistance of center pillar;With The prior art is compared and is had the advantages that
1) prefabricated center pillar is hinged by rubber spacer bolt and long anchor bolt with prefabricated top plate, prefabricated panel, it reduces Rigidity at center pillar and wall connecting, discharges moment of flexure in time;Prefabricated center pillar and prefabricated top plate, prefabricated panel junction are filled simultaneously Rubber spacer, rubber spacer can effectively consume seismic wave energy, have entire center pillar again while having certain rigidity Certain flexibility is not easy to be broken off.
2) prefabricated side wall and prefabricated top plate, prefabricated panel, the earthing body on subway station are connected using arc rubber support Pressure and presstressed reinforcing steel under the action of, prefabricated side wall is fixed between prefabricated top plate and prefabricated panel, can reduce ground The lateral displacement at iron car station, and can be realized the runback bit function of subway station side wall.
3) connection between subway station side wall and station top plate, station bottom plate by arc rubber support become " just connecing " into " hinged " is released subway station side wall and the moment of flexure of station top plate, station back plate connections, together when coming earthquake When arc rubber support can consume seismic wave energy, improve the cushioning ability of subway station.
4) fabricated prefabricated components are used, construction efficiency, repairing convenient for safeguarding are improved.Deformed bar connects prefabricated side Wall, prefabricated top plate, prefabricated panel can limit the lateral displacement at station in conjunction with arc rubber support, and have total Runback bit function.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is middle column end and top plate connection schematic diagram of the invention;
Fig. 3 is center pillar shroud member schematic cross-section of the invention;
Fig. 4 is side wall and top plate connection schematic diagram of the invention;
Fig. 5 is side wall and bottom plate connection schematic diagram of the invention;
Fig. 6 is that side wall of the invention connect fractionation schematic diagram with bottom plate.
In figure: the prefabricated top plate of 1-, 2- prefabricated panel, the prefabricated side wall of 3-, the prefabricated center pillar of 4-, 5- arc rubber support, 5-1- Rubber spacer in the middle part of rubber spacer b, 5-2- curved plate b, 5-3-, 5-4- curved plate a, 5-5- rubber spacer a, 5-6- anchoring Bolt, 6- joinery and its construction, 7- deformed bar, 8- displacement monitor, 9- injected hole, 10- water-proof concrete, 11- rubber pad Layer, 12- rubber spacer bolt, 13- long anchor bolt, 14- rivet, 15- steel cylinder.
Specific embodiment:
The present invention is further illustrated for embodiment in reference to the accompanying drawing:
Assembled subway station center pillar and arc rubber support Self-resetting shock-absorption structure of the invention, including by prefabricated top plate 1, the interior space of metro station that prefabricated panel 2, prefabricated side wall 3 and prefabricated center pillar 4 are constituted, the prefabricated side wall 3 and prefabricated top plate 1,2 junction of prefabricated panel is respectively equipped with the arc rubber support 5 for making total become " hinged " from " just connecing ", to increase vehicle The flexibility for entirety of standing;3 both ends of prefabricated side wall are with 5 arc of arc rubber support to the arc to match.Prefabricated side wall 3 It is upward with 5 arc of arc rubber support of prefabricated 1 junction of top plate, the arc rubber of prefabricated side wall 3 and 2 junction of prefabricated panel 5 arc of support is downward;The arc rubber support 5 include rubber spacer a5-5, curved plate a5-4, middle part rubber spacer 5-3, Curved plate b5-2, rubber spacer b5-1 and anchor bolt 5-6;The rubber spacer a5-5 is located at curved plate a5-4 and subway Between the prefabricated side wall 3 in station, to reduce the gap of curved plate a5-4 Yu the prefabricated side wall 3 in subway station, enhance its conjugation;Rubber Rubber mat layer b5-1 is between curved plate b5-2 and subway station prefabricated panel 2, to reduce curved plate b5-2 and subway It stands the gap of prefabricated panel 2, enhances its conjugation;There is the middle part to match between curved plate a5-4 and curved plate b5-2 Rubber spacer 5-3;When lateral displacement occurs for prefabricated side wall 3, under the action of deformed bar 7 and its cladding earth pressure, make Whole station structure has the ability of Self-resetting.It is respectively equipped in the left and right sides of prefabricated side wall 3 across arc rubber support 5 Both sides and the deformed bar 7 for being connected to prefabricated top plate 1 and prefabricated panel 2,7 two ends of deformed bar are anchored with nut and are fixed, Prestressed size is set according to on-site actual situations;The prefabricated side wall 3 is equipped with 2 junction of prefabricated panel monitors prefabricated side The displacement monitor 8 that wall 3 and arc rubber support 5 are displaced.The top of prefabricated side wall 3 is provided with the past upper arcuate tilted upward The injected hole 9 of water-proof concrete 10 is infused on the outside of rubber support 5, the lower part of prefabricated side wall 3 is provided with past lower curved diagonally downward The injected hole 9 that water-proof concrete 10 is infused on the outside of rubber support 5, prevents Groundwater infiltration.It is described to pass through 5 both sides of arc rubber support And the deformed bar 7 of prefabricated top plate 1 and prefabricated panel 2 is pierced by as two rows, every number of rows amount requires to determine according to Specific construction.Institute The prefabricated center pillar 4 stated is " I " shape structure, steel cylinder 15 is equipped with outside prefabricated center pillar 4, the inner wall of steel cylinder 15, which is equipped with several, to be increased The rivet 14 of the connection of strong steel cylinder 15 and concrete makes steel cylinder 15 and concrete become an entirety, to enhance prefabricated center pillar semi-finals Degree.The two ends of prefabricated center pillar 4 are connect in the middle part of prefabricated top plate 1 and prefabricated panel 2 by joinery and its construction 6 respectively, the Tenon Structure 6 is equipped with matched rubber spacer 11, and is equipped with the long anchor bolt 13 for being horizontally through prefabricated center pillar 4, rubber pad Layer 11 is equipped with the rubber spacer bolt 12 for passing perpendicularly through 4 end of joinery and its construction 6 and prefabricated center pillar, passes through rubber spacer bolt 12 It is combined together with prefabricated 4 end of center pillar, 11 damping of rubber spacer is utilized while strengthening fixed.
Since prefabricated side wall 3 and prefabricated top plate 1,2 junction of prefabricated panel are arc, under geological process, subway station Wall connecting at be easy to happen displacement and destroy, under deformed bar 7 and the effect of upper earthing body, utilize arcuate structure special Property, so that prefabricated side wall 3 is carried out Self-resetting after junction is subjected to displacement with prefabricated top plate 1, prefabricated panel 2;Deformed bar 7 is worn It crosses two sides reinforcing bar duct and the prefabricated side wall 3 of prefabricated panel 2, prefabricated top plate 1 and prefabricated side wall 3 is linked to be entirety.
Since arc rubber support 5 is by rubber spacer a5-5, curved plate a5-4, middle part rubber spacer 5-3, curved plate B5-2, rubber spacer b5-1 composition.Rubber spacer a5-5 is arranged between curved plate a5-4 and prefabricated side wall 3, middle part rubber Bed course 5-3 is arranged between curved plate a5-4 and curved plate b5-2, rubber spacer b5-1 be arranged in curved plate b5-2 with Between prefabricated panel 2.The effect of rubber support is the seismic wave energy under consumption geological process to mitigate geological process to side wall With the destruction of bottom plate, side wall and top plate junction.
Joinery and its construction 6 is used in the junction of prefabricated center pillar 4 and prefabricated top plate 1, prefabricated panel 2, center pillar and station can be made Top plate, station bottom plate junction " hinged " is become from " just connecing ", when an earthquake occurs, moment of flexure can be discharged in time with the company of reduction Connect the destruction at place;The junction of prefabricated center pillar and prefabricated top plate, prefabricated panel is equipped with rubber spacer, for consuming earthquake wave energy Amount.Rubber spacer is fixed in joinery and its construction by bolt, so that prefabricated center pillar is closely tied with prefabricated top plate, prefabricated panel It closes, forms rock-steady structure.
The present invention utilizes the advantages of prefabricated member, and the center pillar that script is easily destroyed under geological process and station are pushed up The junction of the junction of plate, station bottom plate, side wall and station bottom plate, station top plate becomes " hinged " from " just the connecing " of script, Moment of flexure can be discharged in time to mitigate and destroy;The prestressing force of deformed bar 7 is conducive to station structure and occurs under geological process Self-resetting is carried out when displacement;Rubber spacer is equipped in arc rubber support 5 and joinery and its construction 6 to consume seismic wave energy.
Specific embodiment:
The prefabricated completion in factory of prefabricated top plate 1, prefabricated panel 2, prefabricated side wall 3, prefabricated center pillar 4, prefabricated side wall 3, Prefabricated panel 2,1 internal reservation of prefabricated top plate go out reinforcing bar duct, and rubber spacer a5-5, curved plate a5-4 are passed through anchoring spiral shell Bolt 5-6 is fixed on prefabricated side wall 3.
When installation:
Step 1: 7 one end of deformed bar is anchored on prefabricated panel 2, prefabricated panel 2 is placed to lifting appliance Designated position;
Step 2: placing rubber support on prefabricated panel 2, prefabricated side wall 3 is placed on rubber support;
Step 3: rubber support is placed in prefabricated 3 upper end of side wall, pair of prefabricated top plate 1 and prefabricated side wall 3 is carried out therewith Lifting is connect, prefabricated top plate 1 is connect by deformed bar 7 with prefabricated side wall 3 and applies prestressing force;
Step 4: prefabricated center pillar 4 is connect with prefabricated top plate 1, prefabricated panel 2 by joinery and its construction 6;
Step 5: injecting water-proof concrete 10 by injected hole 9.
By mechanical integrated work progress, each prefabricated components and other associated components of station will be mounted in place, respectively Close structure is connected, while playing the advantages of prefabricated components " just connecing " is " hinged " again, so that the side wall that station is easily destroyed With top plate and bottom plate junction, center pillar and top plate and bottom plate junction can discharge moment of flexure in time and have runback bit function.

Claims (7)

1. a kind of assembled subway station center pillar and arc rubber support Self-resetting shock-absorption structure, including by prefabricated top plate (1), pre- The interior space of metro station that bottom plate (2), prefabricated side wall (3) and prefabricated center pillar (4) processed are constituted, it is characterised in that: the prefabricated side Wall (3) and prefabricated top plate (1), prefabricated panel (2) junction are respectively equipped with the arc for making total become " hinged " from " just connecing " Shape rubber support (5), to increase the flexibility of station entirety;The arc rubber branch of prefabricated side wall (3) and prefabricated top plate (1) junction Seat (5) arc is upward, and prefabricated side wall (3) and arc rubber support (5) arc of prefabricated panel (2) junction are downward;Prefabricated It is respectively equipped in the left and right sides of side wall (3) across arc rubber support (5) both sides and is connected to prefabricated top plate (1) and prefabricated panel (2) deformed bar (7), deformed bar (7) two ends are anchored with nut and are fixed, and the prefabricated center pillar (4) is " I " shape Structure, the two ends of prefabricated center pillar (4) are connected in the middle part of prefabricated top plate (1) and prefabricated panel (2) by joinery and its construction (6) respectively It connects, the joinery and its construction (6) is equipped with matched rubber spacer (11), and is equipped with the length for being horizontally through prefabricated center pillar (4) Anchor bolt (13), rubber spacer (11) are equipped with the rubber spacer for passing perpendicularly through joinery and its construction (6) and prefabricated center pillar (4) end Bolt (12) is combined together by rubber spacer bolt (12) and prefabricated center pillar (4) end, and rubber is utilized while strengthening fixed Rubber mat layer (11) damping.
2. assembled subway station according to claim 1 center pillar and arc rubber support Self-resetting shock-absorption structure, special Sign is: the arc rubber support (5) includes rubber spacer a (5-5), curved plate a (5-4), middle part rubber spacer (5- 3), curved plate b (5-2), rubber spacer b (5-1) and anchor bolt (5-6);The rubber spacer a (5-5) is located at arc-shaped steel Between the prefabricated side wall of plate a (5-4) and subway station (3), to reduce curved plate a (5-4) and the prefabricated side wall in subway station (3) Gap enhances its conjugation;Rubber spacer b (5-1) is located between curved plate b (5-2) and subway station prefabricated panel (2), To reduce the gap of curved plate b (5-2) Yu subway station prefabricated panel (2), enhance its conjugation;At curved plate a (5-4) There is the middle part rubber spacer (5-3) to match between curved plate b (5-2);When lateral displacement occurs for prefabricated side wall (3), Under the action of deformed bar (7) and its cladding earth pressure, make ability of the whole station structure with Self-resetting.
3. assembled subway station according to claim 1 center pillar and arc rubber support Self-resetting shock-absorption structure, special Sign is: the deformed bar for passing through arc rubber support (5) both sides and being pierced by prefabricated top plate (1) and prefabricated panel (2) It (7) is two rows.
4. assembled subway station according to claim 1 center pillar and arc rubber support Self-resetting shock-absorption structure, special Sign is: prefabricated side wall (3) both ends are with arc rubber support (5) arc to the arc to match.
5. assembled subway station according to claim 1 center pillar and arc rubber support Self-resetting shock-absorption structure, special Sign is: being equipped with steel cylinder (15) outside the prefabricated center pillar (4), the inner wall of steel cylinder (15), which is equipped with several, can enhance steel cylinder (15) and the rivet of the connection of concrete (14) so that steel cylinder (15) and concrete is become an entirety, it is strong to enhance prefabricated center pillar (4) Degree.
6. assembled subway station according to claim 1 center pillar and arc rubber support Self-resetting shock-absorption structure, special Sign is: the top of the prefabricated side wall (3), which is provided on the inside of the past upper arcuate rubber support (5) tilted upward, infuses anti-water coagulation The injected hole (9) of native (10), the lower part of prefabricated side wall (3) are provided with note on the inside of past lower curved rubber support (5) diagonally downward The injected hole (9) of water-proof concrete (10).
7. assembled subway station according to claim 1 center pillar and arc rubber support Self-resetting shock-absorption structure, special Sign is: the prefabricated side wall (3) and prefabricated panel (2) junction are equipped with and monitor prefabricated side wall (3) and arc rubber support (5) The displacement monitor (8) of displacement.
CN201910255533.7A 2019-04-01 2019-04-01 Assembled subway station center pillar and arc rubber support are from restoring to throne shock-absorbing structure Active CN109853636B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110468986A (en) * 2019-07-13 2019-11-19 河南大学 It is a kind of to wave Self-resetting shock-absorption system and construction method for underground station center pillar
CN113026813A (en) * 2021-03-18 2021-06-25 中国矿业大学 Subway station center pillar structure with shock attenuation is from restoring to throne function

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106351494A (en) * 2016-10-20 2017-01-25 北京工业大学 Self-resetting assembly type subway station flexible antiseismic structure
JP2017210787A (en) * 2016-05-25 2017-11-30 公益財団法人鉄道総合技術研究所 Aseismatic structure of cut-and-cover tunnel
CN109208641A (en) * 2018-11-15 2019-01-15 中国矿业大学 A kind of king post joint and repositioning method based on assembled underground structure with runback bit function
CN109235681A (en) * 2018-08-27 2019-01-18 东南大学 A kind of low damage node of assembled Self-resetting prestressed concrete frame mild-steel energy-consumption

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017210787A (en) * 2016-05-25 2017-11-30 公益財団法人鉄道総合技術研究所 Aseismatic structure of cut-and-cover tunnel
CN106351494A (en) * 2016-10-20 2017-01-25 北京工业大学 Self-resetting assembly type subway station flexible antiseismic structure
CN109235681A (en) * 2018-08-27 2019-01-18 东南大学 A kind of low damage node of assembled Self-resetting prestressed concrete frame mild-steel energy-consumption
CN109208641A (en) * 2018-11-15 2019-01-15 中国矿业大学 A kind of king post joint and repositioning method based on assembled underground structure with runback bit function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110468986A (en) * 2019-07-13 2019-11-19 河南大学 It is a kind of to wave Self-resetting shock-absorption system and construction method for underground station center pillar
CN110468986B (en) * 2019-07-13 2021-05-04 河南大学 Swinging self-resetting shock absorption system for center pillar of underground station and construction method
CN113026813A (en) * 2021-03-18 2021-06-25 中国矿业大学 Subway station center pillar structure with shock attenuation is from restoring to throne function

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