CN108222063A - A kind of shear pin with tethering the assembled integral that connects inner prop frame structures under action - Google Patents
A kind of shear pin with tethering the assembled integral that connects inner prop frame structures under action Download PDFInfo
- Publication number
- CN108222063A CN108222063A CN201810013952.5A CN201810013952A CN108222063A CN 108222063 A CN108222063 A CN 108222063A CN 201810013952 A CN201810013952 A CN 201810013952A CN 108222063 A CN108222063 A CN 108222063A
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- inner prop
- side wall
- frame structures
- under action
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
- E04B1/0015—Cellars constructed from prefabricated units
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Lining And Supports For Tunnels (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
A kind of assembled integral that connects inner prop is tethered the invention discloses shear pin frame structures under action makes the top and bottom ends of inner prop form a kind of rotatable structure type, reduces inner cylinder end moment of flexure and improves the deformability of inner prop.It is connected between the side wall of underground structure and top plate, bottom plate using half grout sleeve, forms complete " empty van " structure, it can be with the soil lateral pressure of resisting structure surrounding soil.The structure inner prop junction junction of top beam, bottom girder (inner prop with) is become " being hinged " from traditional " affixed " connection mode to be connect, discharge the moment of flexure constraint of junction, the deformability of ground frame structures under action inner prop is improved, while the deformation of inner prop can be controlled using the gap sheared between pin and reserving hole channel.It is connected between prefabricated inner prop and prefabricated longeron using steel plate, ensures the uniform stressed of contact surface.The present invention can improve the deformability of inner prop, and inner prop is made to coordinate with side wall deformability, achieve the effect that improve the shock resistance of assembled underground subway station.
Description
Technical field
The present invention is that the anti-seismic performance based on assembled underground structure, inner prop assembly connection mode are carried out, and is related to one kind
It is in the milk using reinforced bar sleeve and connects side wall, shearing pin (8) connects prefabricated inner prop (4), is assembled into the dress for the column that can freely swing
With integrally frame structures under action.
Background technology
Urban Underground architecture basics facility is rapidly developing, and traditional Construction Mode brings problems, such as environment dirt
Dye, the wasting of resources, traffic congestion etc., and precast assembly knot forms starting point to solve these problems, therefore prefabricated assembled
Underground structure becomes inevitable development trend.For a long time, the anti-seismic problem of underground structure does not obtain enough attention, and underground is caused to be tied
The structure type of structure, design method and aseismic theory develop slowly.With the aggravation of underground structure earthquake damage, specification clear stipulaties
The anti-seismic problem of underground structure must be examined by special project.Therefore how to improve the anti-seismic performance of assembled underground structure becomes about
The key of its development of beam.The shock resistance of underground structure depends on the deformation performance of structure in itself, and for underground structure, side wall is
Non-individual body, and inner prop uses form of discontinuity, therefore the axial compression ratio of inner prop is significantly larger than the axial compression ratio of side wall, leads to the deformation of inner prop
Ability is markedly less than the deformability of side wall, the deformation of the two.Under seismic loading, under inner prop becomes entirely
The key member of structure and position the weakest.Therefore, how to improve the deformability of inner prop becomes raising underground structure
The starting point of anti-seismic performance.
Invention content
In order to fully demonstrate the advantage of prefabricated construction and make up the shortcomings that inner prop deformability is insufficient.This hair
It is bright propose it is a kind of by the way of pin (8) connection structure inner prop is sheared.
1. a kind of shear pin with tethering the assembled integral that connects inner prop frame structures under action, which is characterized in that including:Prefabricated top
Plate (1), prefabricated side wall (2), prefabricated panel (3), prefabricated inner prop (4), prefabricated top beam, prefabricated bottom girder and shearing pin (8),
In, it is connect in prefabricated side wall (2) with prefabricated top plate (1), prefabricated panel (3) by half grout sleeve (7), in prefabricated inner prop (4)
It is connect with prefabricated top beam, prefabricated bottom girder (5) using shearing pin (8), the inner prop of underground structure is made to form swingable component.
2. further, prefabricated side wall (2) is connected using half grout sleeve (7), and half grout sleeve (7) is reserved in side wall
Inside, convenient for assembly.
3. further, shearing pin (8) should pass through the shear pin keyhole (9) of steel plate (6), it is individually positioned in upper and lower prefabricated
In the pin hole (9) of component.
4. further, the intensity of shearing pin (8) should be more than the shearing strength of prefabricated components in itself.
5. further, station top plate (1) uses integral prefabricated molding with station bottom plate (3), reserved steel bar is distinguished at both ends, with
Reinforcing bar in side wall is using the grouting connection of half sleeve.
6. further, steel plate (6) is added respectively between prefabricated inner prop (4) and prefabricated top beam, prefabricated bottom girder, to prevent prefabricated
Column locally destroys.
In order to resist the lateral pressure of surrounding soil, the upper/lower terminal of prefabricated side wall (2) uses half grout sleeve (7)
Connection, while the effect of impermeable structure can also be played.Based on swinging structure theory, prefabricated inner prop (4) and its top beam, bottom girder
(5) it is connected using shearing pin (8), is connected at the contact surface of the two using steel plate (6), inner prop forms the structure freely waved
System, tradition " consolidation " connection mode of inner prop is become " to be hinged " connection mode, changes the force modes of inner prop, improves inner prop
Deformability.
To achieve these goals, the present invention adopts the following technical scheme that:Prefabricated side wall is connected using half grout sleeve
(2), side wall is made to become consolidation connection mode with top, bottom plate, inner prop is connected using shearing pin (8), and depth L influences prefabricated structure
The intensity of part section A-A.It can be according to the change of the Ratio control inner prop of the diameter r and pin hole (9) diameter R of shearing pin (8)
Shape, the intensity requirement and shearing pin intensity of prefabricated components are designed.Steel plate (6) is used between inner prop and top beam, bottom girder
Connection forms the novel interior rod structure for having and freely swinging, it includes:Prefabricated side wall (2), prefabricated top plate (1), prefabricated inner prop
(4), precast beam, shearing pin (8) etc..
Preferably, the grout sleeve of connection side wall uses half grout sleeve form, and be reserved in inside side wall, it is convenient for
Component is installed and is made;
Preferably, the section of shearing pin (8) easily selects rectangle, shearing pin (8) has enough shearing strengths,
Ensure effective transmission that shearing pin (8) shears;
Preferably, the depth L of the preformed hole of prefabricated inner prop (4) and precast beam and the size R of pin hole (9) should be ensured that
The net area of inner prop and precast beam (5) has enough shearing strengths;
Beneficial effects of the present invention
The advantages of based on precast assembly structure, connects inner prop using shearing pin (8), solves asking for prefabricated components connection
Topic, while inner prop connecting portion is also simplified to the structure type that can freely wave " being hinged ".It is curved at inner prop link position
Square is released, and reduces damage of the geological process to inner prop, the effect of the acceptable effective Transfer of Shear of shearing pin (8).
Shear pin of the present invention, which tethers, connects inner prop, can the real effective transmission sheared by shearing pin (8).May be used also simultaneously
To utilize the spacing for shearing pin (8) and pin hole (9), the deformation of coordination structure inner prop and side wall.
Shear pin of the present invention, which tethers, connects inner prop, can loosen the moment of flexure constraint of inner prop, reach inner prop and assisted with station side wall
The effect of modulation shape improves the whole shock resistance at station.
Sleeve is reserved in component inside, convenient for prefabricated components by the sleeve in the present invention using half grout sleeve form
Assembled and grouting.Meanwhile the side wall of subway station is connected using half grout sleeve (7), ensures the rigid connection of side wall, convenient for supporting
Anti- soil lateral pressure.
Setting steel plate (6) between prefabricated inner prop (4) and top, bottom girder, can make contact surface uniform stressed, avoid in the present invention
Prefabricated components end stress is concentrated.
Description of the drawings
Fig. 1 tethers the assembled integral underground circuit theory schematic diagram for connecing inner prop for a kind of shear pin,
Fig. 2 is prefabricated inner prop and prefabricated bottom girder node connection diagram,
Fig. 3 is prefabricated inner prop and prefabricated top beam node connection diagram,
Fig. 4 is prefabricated side wall and top plate, bottom plate node schematic diagram,
Fig. 5 is prefabricated inner prop pin hole, shearing pin, pin relation schematic diagram
Fig. 6 is precast beam pin hole, shearing pin, pin relation schematic diagram
Reference sign:1-prefabricated top plate;2-prefabricated side wall;3-prefabricated panel;4-prefabricated inner prop;5-prefabricated
Beam (top beam, bottom girder);6-steel plate;7-grout sleeve;8-shearing pin;9-pin hole
Specific embodiment
The present invention is carried out based on being in the milk on the basis of connection using prior art reinforced bar sleeve between the prefabricated components of station,
It is proposed a kind of assembled integral underground frame structure form that inner prop is connected using shearing pin (8).This connection mode can have
Effect reduces inner prop deformation, improves the shock resistance of inner prop.Including:Prefabricated side wall (2) is prefabricated panel (3), prefabricated top plate (1), pre-
Make top, bottom girder (5), shearing pin (8) etc..By prefabricated side wall (2), prefabricated top plate (1), prefabricated panel (3), precast beam (5) into
The prefabricated production of row, wherein half grout sleeve (7) is reserved in prefabricated side wall (2), prefabricated top plate (1) and prefabricated panel (3) are set
Rational protruding bar is put, ensures the assembling reasonability of grout sleeve (7) and protruding bar.Prefabricated inner prop (4) and precast beam are pre-
Stay the pin hole (9) of fair-sized.Ensure shearing pin (8) effective Transfer of Shear, at the same time it can also by the deformation control of inner prop
System, so as to improve the anti-seismic performance of station entirety, it is insufficient to make up underground structure key column shock resistance in rational range
Shortcoming.
Specific embodiment is illustrated for subway station with reference to Fig. 1 to Fig. 6 and typical one layer two.
According to the specifically used function at station, rationally design and the work such as the stress form of structure are analyzed in in-depth.It will be each
A prefabricated components progress is rational prefabricated, wherein pin hole (9) are reserved in prefabricated inner prop (4) and precast beam (5), prefabricated side wall
(2) half grout sleeve of installation (7), prefabricated top plate (1) and bottom plate link position reserve certain length reinforcing bar.Prefabricated components bottom plate
(3) it after installation is in place, by shearing pin (8) and is placed in pin hole (9), and place steel plate (6), the prefabricated side wall of integral hoisting
(2) and prefabricated inner prop (4) temporary support, and to prefabricated inner prop (4) is carried out, prefabricated side wall (2) carries out grouting connection, waits to stablize
Afterwards, the shearing pin (8) on prefabricated inner prop (4) top and steel plate (6), and integral hoisting top plate are installed, then by side wall and top plate
After carrying out grouting connection, the side wall support of inner prop is removed.
Claims (6)
1. a kind of shear pin with tethering the assembled integral that connects inner prop frame structures under action, which is characterized in that including:Prefabricated top plate
(1), prefabricated side wall (2), prefabricated panel (3), prefabricated inner prop (4), prefabricated top beam, prefabricated bottom girder and shearing pin (8), wherein,
It is connect in prefabricated side wall (2) with prefabricated top plate (1), prefabricated panel (3) by half grout sleeve (7), in prefabricated inner prop (4) and in advance
Top beam processed, prefabricated bottom girder (5) are connected using shearing pin (8), and the inner prop of underground structure is made to form swingable component.
2. a kind of assembled integral ground frame structures under action for shearing pin (8) and connecting inner prop according to claim 1, special
Sign is that prefabricated side wall (2) is connected using half grout sleeve (7), and half grout sleeve (7) is reserved in inside side wall, is convenient for
It is assembled.
3. a kind of shear pin according to claim 1 with tethering the assembled integral that connects inner prop frame structures under action, feature
It is, shearing pin (8) should pass through the shear pin keyhole (9) of steel plate (6), be individually positioned in the pin hole of upper and lower prefabricated components
(9) in.
4. a kind of shear pin according to claim 1 with tethering the assembled integral that connects inner prop frame structures under action, feature
It is, the intensity of shearing pin (8) should be more than the shearing strength of prefabricated components in itself.
5. a kind of shear pin according to claim 1 with tethering the assembled integral that connects inner prop frame structures under action, feature
It is, station top plate (1) uses integral prefabricated molding with station bottom plate (3), and the reinforcing bar in reserved steel bar, with side wall is distinguished at both ends
It is in the milk and connected using half sleeve.
6. a kind of shear pin according to claim 1 with tethering the assembled integral that connects inner prop frame structures under action, feature
It is, adds steel plate (6) respectively between prefabricated inner prop (4) and prefabricated top beam, prefabricated bottom girder, locally broken to prevent prefabricated post
It is bad.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810013952.5A CN108222063B (en) | 2018-01-08 | 2018-01-08 | Integral underground frame structure of assembly of shear force cotter bolt connection inner column |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810013952.5A CN108222063B (en) | 2018-01-08 | 2018-01-08 | Integral underground frame structure of assembly of shear force cotter bolt connection inner column |
Publications (2)
Publication Number | Publication Date |
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CN108222063A true CN108222063A (en) | 2018-06-29 |
CN108222063B CN108222063B (en) | 2020-11-06 |
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CN201810013952.5A Active CN108222063B (en) | 2018-01-08 | 2018-01-08 | Integral underground frame structure of assembly of shear force cotter bolt connection inner column |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109629895A (en) * | 2018-11-29 | 2019-04-16 | 北京建筑大学 | A kind of bearing diagonal replaces the system of center pillar raising frame-type underground structure anti-seismic performance |
CN109853768A (en) * | 2019-03-08 | 2019-06-07 | 北京建筑大学 | A kind of reserved absorbing joint structural system and its construction method |
CN112227361A (en) * | 2020-09-30 | 2021-01-15 | 刘晓理 | Umbrella-shaped body expanding device for resisting collision and opening umbrella and expanding method thereof |
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DE3244374A1 (en) * | 1982-12-01 | 1984-06-07 | Helmut Duerr | Collecting duct for urban service arrangements |
CN106223360A (en) * | 2016-07-07 | 2016-12-14 | 中铁六局集团有限公司 | Use the open cut cast in place and precast construction subway station construction method of stake supporting system |
CN107059599A (en) * | 2017-04-27 | 2017-08-18 | 北京市市政工程设计研究总院有限公司 | Antidetonation without bearing Self-resetting, damping cast-in-situ bridge |
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2018
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Patent Citations (3)
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DE3244374A1 (en) * | 1982-12-01 | 1984-06-07 | Helmut Duerr | Collecting duct for urban service arrangements |
CN106223360A (en) * | 2016-07-07 | 2016-12-14 | 中铁六局集团有限公司 | Use the open cut cast in place and precast construction subway station construction method of stake supporting system |
CN107059599A (en) * | 2017-04-27 | 2017-08-18 | 北京市市政工程设计研究总院有限公司 | Antidetonation without bearing Self-resetting, damping cast-in-situ bridge |
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桂国庆: "《建筑结构抗震设计》", 31 March 2015, 重庆大学出版社 * |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109629895A (en) * | 2018-11-29 | 2019-04-16 | 北京建筑大学 | A kind of bearing diagonal replaces the system of center pillar raising frame-type underground structure anti-seismic performance |
CN109853768A (en) * | 2019-03-08 | 2019-06-07 | 北京建筑大学 | A kind of reserved absorbing joint structural system and its construction method |
CN112227361A (en) * | 2020-09-30 | 2021-01-15 | 刘晓理 | Umbrella-shaped body expanding device for resisting collision and opening umbrella and expanding method thereof |
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CN108222063B (en) | 2020-11-06 |
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