CN108547216A - Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame and construction method - Google Patents
Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame and construction method Download PDFInfo
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- CN108547216A CN108547216A CN201810597981.0A CN201810597981A CN108547216A CN 108547216 A CN108547216 A CN 108547216A CN 201810597981 A CN201810597981 A CN 201810597981A CN 108547216 A CN108547216 A CN 108547216A
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- pier stud
- alligator
- bridge
- slot
- socket joint
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame and construction method, the structure includes prefabricated pier stud and bridge foundation, pier stud includes pier stud exposed junction and pier stud built-in end, the down-set reserved socket joint slot in bridge foundation top surface, the shape of socket joint slot matches with the shape of pier stud built-in end so that pier stud built-in end can be embedded in socket joint slot, pier stud built-in end encloses the annular pier stud keyway of setting along outer wall one, socket joint slot is along the corresponding annular bridge base keyway of the circle setting of inner wall one, after pier stud built-in end is embedded in socket joint slot, there are slot bottom gaps between pier stud built-in end bottom surface and socket joint groove bottom, there are slot gaps between the outer wall and the inner wall of socket joint slot of newel post's built-in end；In slot gap annular alligator is condensed into pier stud keyway and bridge foundation keyway from the cast-in-place potting compound of top entry.The present invention can solve the multiple alligator distribution of force unevenness of existing alligator bell and spigot frame, the compactness of grouting material is difficult to ensure, the technical problem that slip casting efficiency is low.
Description
Technical field
The invention belongs to packaged type bridges technical field, specially bridge prefabrication performance of concrete column confined is held with bridge foundation alligator
Inserting structure and construction method.
Background technology
The connection of bridge prefabrication pier stud and cushion cap or Extended chemotherapy mainly has steel strand wires connection, grout sleeve reinforcing bar to connect at present
It connects, the bellows that is in the milk connection, cast-in-place wet joint connects and the forms such as bayonet joint.Wherein steel strand wires connection is chiefly used in pier stud point
Prefabricated situation is saved, pier stud segment is concatenated by prestressing force；Grout sleeve bar connecting is to connect foot stall steel using grout sleeve
Muscle, branch sleeve is prefabricated inside performance of concrete column confined, is in the milk to form connection by sleeve；Bellows connection of being in the milk is in prefabricated pier
Reserved steel bar on column, reserves bellows reinforced hole on cushion cap, and reserved steel bar is inserted into reserved steel bar hole and carries out hole by when construction
Road is in the milk, and forms connection, its essence is pier stud reinforcing bars to anchor in cushion cap；Cast-in-place wet joint be connected on the bridge of coastal waters using than
More, in Precast Pier Columns lower end, reserved one section of Cast-in-Situ Segment and cushion cap cast are integrated and form connection；Bayonet joint is to hold
Slot is reserved on platform, Precast Pier Columns are installed in slot, the gap concrete cast-in-situ between Precast Pier Columns and slot, the company of being formed
It connects.
Wherein, grout sleeve bar connecting connects domestic at present only widely apply in low earthquake region, in height with grouting bellows
The application in earthquake region need further to verify.Foreign countries have related data to show, in high intensity Zone it is not recommended that using grouting set
Cylinder connection.No matter and grout sleeve or the bellows that is in the milk connection, when construction, are both needed to the full face reinforcing bar of pier stud being inserted into reserved
Duct, and be hole-specifically in the milk, difficulty of construction is larger.
In above-mentioned existing connection type, the application time of cast-in-place wet joint connection and bayonet joint is more long, still
Both each have certain limitation：Cast-in-place wet joint method is very high to the requirement of pier stud hanging device, and pier stud hypomere is existing
Pouring concrete amount is also bigger；Bayonet joint generally requires cushion cap socket depth not less than 2 times or so of pier stud diameter, in this way
The thickness of cushion cap is required to increased.
Patent No. CN201510967124 it is entitled " bridge prefabrication pier column and cushion cap socket type connecting structure and its
In the patent of assembling method ", a kind of socket type connecting structure is disclosed, the gap between pier stud and cushion cap slot is generally 2cm
Or so, grouting material mud jacking is used in gap, and the small alligator of multiple depth directions is set in gap.However, under the action of seismic force,
Since multiple alligator distribution of force are uneven, easily cause uppermost small alligator and be initially formed destruction, shear gradually move down later, it is small
Alligator is broken up one by one.On the other hand, since its gap is smaller, easily there is cavity after mud jacking or grouting, it cannot be guaranteed that slurry is full
Full, i.e., the compactness of grouting material is relatively difficult to guarantee in gap, and compactness inspection is also more difficult.Due to the seam between pier stud and cushion cap slot
Gap is small, can not the slip casting directly above gap, need to open up mud jacking channel on cushion cap, shadow will necessarily be caused to cushion cap intensity
It rings, and mud jacking operating efficiency is low.
Invention content
It is in order to overcome the above technical defects and insufficient, a kind of bridge prefabrication performance of concrete column confined of present invention offer and bridge base
It is uneven, grouting material close to solve the multiple alligator distribution of force of existing alligator bell and spigot frame for plinth alligator bell and spigot frame and construction method
The technical problem that solidity is difficult to ensure, slip casting efficiency is low.
The present invention uses following technological means：Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame, packet
Include prefabricated pier stud and bridge foundation, the pier stud includes pier stud exposed junction and pier stud built-in end, the bridge foundation top surface to
The shape of the reserved socket joint slot of lower setting, the shape of the socket joint slot and the pier stud built-in end matches so that the pier stud is embedding
Entering end can be embedded in the socket joint slot, and the pier stud built-in end encloses the annular pier stud keyway of one indent of setting along outer wall one,
The socket joint slot encloses the annular bridge base keyway of one corresponding indent of setting, the pier stud built-in end insertion along inner wall one
After socket joint slot, between pier stud built-in end bottom surface and socket joint groove bottom there are slot bottom gap, newel post's built-in end it is outer
There are slot gap between wall and the inner wall of the socket joint slot, the pier stud keyway is corresponding with bridge foundation keyway；It is described to insert
In slot gap annular tooth is condensed into the potting compound in bridge foundation keyway from the cast-in-place potting compound of top entry, the pier stud keyway
Key.
The pier stud is coaxial ladder column, and the thick section of the pier stud is built-in end, thin segment is exposed junction, the pier stud side wall
The vertical main reinforcement of one circle perforation built-in end of interior setting, the main reinforcement is 2~4cm at a distance from pier stud keyway indent side wall.
In the pier stud built-in end more prefabricated pier stud alligator distributing bars of setting are enclosed along side wall profile one；The bridge
In basic more prefabricated basic alligator distributing bars of setting are enclosed along socket joint groove sidewall profile one.
Multiple shear reinforcements are set along one circle in the alligator, each shear reinforcement is located inside the alligator,
Two parallel rebars are extended upward from described for annular corresponding with the alligator cross sectional shape and bottom lock, open top
Bridge foundation top surface is extended upwardly in slot gap.
The bridge foundation is cushion cap or Extended chemotherapy；The bridge foundation locally increase around socket joint slot to be formed it is convex
Platform.
Mat formation in advance in the slot bottom gap slurry.
The top surface of the pier stud built-in end is higher than or flushes in the bridge foundation top surface.
The slot bottom gap is 4~10cm, and the alligator thickness is 15~25cm.
Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame, including prefabricated pier stud and bridge foundation, institute
It includes pier stud exposed junction and pier stud built-in end to state pier stud, and the down-set reserved socket joint slot in bridge foundation top surface is described to hold
The shape of the shape of slot and the pier stud built-in end matches so that the pier stud built-in end can be embedded in the socket joint slot,
The pier stud built-in end encloses the annular pier stud keyway of one indent of setting along outer wall one, and the socket joint slot is along the circle of inner wall one setting one
The annular bridge base keyway of a corresponding indent, after pier stud built-in end insertion socket joint slot, pier stud built-in end bottom
There are slot bottom gaps between face and socket joint groove bottom, are stayed between the outer wall of newel post's built-in end and the inner wall of the socket joint slot
There are slot gap, the pier stud keyway corresponding with bridge foundation keyway；From the cast-in-place perfusion of top entry in the slot gap
Object, the pier stud keyway are condensed into annular alligator with the potting compound in bridge foundation keyway；
The pier stud is coaxial ladder column, and the thick section of the pier stud is built-in end, thin segment is exposed junction, the pier stud side wall
The vertical main reinforcement of one circle perforation built-in end of interior setting, the main reinforcement is 2~4cm at a distance from pier stud keyway indent side wall；
In the pier stud built-in end more prefabricated pier stud alligator distributing bars of setting are enclosed along side wall profile one；The bridge
In basic more prefabricated basic alligator distributing bars of setting are enclosed along socket joint groove sidewall profile one；
Multiple shear reinforcements are set along one circle in the alligator, each shear reinforcement is located inside the alligator,
Two parallel rebars are extended upward from described for annular corresponding with the alligator cross sectional shape and bottom lock, open top
Bridge foundation top surface is extended upwardly in slot gap.
Bridge prefabrication performance of concrete column confined and the construction method of bridge foundation alligator bell and spigot frame include the following steps：
1) bridge foundation described in cast-in-site reserves socket joint slot in the bridge foundation；2) pier stud is measured in bridge
Installation site in beam basis, and telltale mark is installed in the socket joint slot；3) mat formation a slurry in the socket joint trench bottom,
The seat slurry is concordant with telltale mark；4) by the prefabricated pier stud is lifted into socket joint slot, bottom is aligned with telltale mark
After submerge in the seat slurry, fixed after adjusted using being fixed temporarily measure；5) shear reinforcement inside the alligator is installed：
The shear reinforcement is parallelly put into along slot gap between pier stud keyway and bridge foundation keyway, is rotated to be poured
The alligator thickness direction is fixed temporarily in the slot gap reserved part shear reinforcement by electric welding or improving bud grafting；6)
Potting compound in the slot gap and alligator is perfused and waits for its condensation molding.
The present invention has following positive beneficial effect：
1) present invention is a kind of novel Precast Pier Columns and the connection type of bridge bearing platform or Extended chemotherapy, it can be achieved that prefabricated
Pier stud is reliably connected with basis, and easy construction, and construction efficiency is high, and has very strong construction error adjustment capability；
2) present invention proposes a kind of type of attachment of novel fabricated bridge prefabrication pier stud and bridge bearing platform or Extended chemotherapy,
The connection can enhance the stress performance of Precast Pier Columns and basic junction, reduce difficulty of construction, accelerate packaged type bridges construct into
Degree；
3) invention increases the gap between the reserved slot of socket joint junction pier stud and basis, by gravity and good
Good flow channel, it is ensured that potting compound is full of each corner in gap, can ensure the compactness of gap cast；Pass through shape
At a larger alligator, and in alligator arrangement of reinforcement mode, prefabricated pier is greatly improved in the case where not increasing height of foundation
Bonding strength between column and cushion cap；The anchor connection between Precast Pier Columns and basis is strengthened, pier stud is reduced and is inserted into basis
Anchorage depth；
4) pier stud built-in end sectional dimension of the present invention expands, therefore reserving pier stud main reinforcement at tooth socket in pier stud can penetrate through the bottom of to
Portion and without being truncated, ensure that the intensity of socket joint position pier stud.
Description of the drawings
Fig. 1 is Precast Pier Columns elevation；
Fig. 2 is bridge foundation elevational schematic view；
Precast Pier Columns and basis assembled schematic diagram when Fig. 3 is unreinforced；
Fig. 4 is slot gap and alligator detail schematic diagram.
Accompanying drawing number：1- pier studs；2- pier stud built-in ends；3- pier stud keyways；4- bridge foundations；5- socket joint slots；6- bridge bases
Plinth keyway；7- boss；8- alligators；9- slots gap；10- main reinforcements；11- pier stud alligator distributing bars；The bases 13- alligator construction
Reinforcing bar；16- shear reinforcements；17- slot bottom gaps, 18- slurries.
Specific implementation mode
The following further describes the specific embodiments of the present invention with reference to the drawings.
Following embodiment is only examples made by the present invention to clearly illustrate, and not to the limit of embodiments of the present invention
It is fixed.For those of ordinary skill in the art, it is various forms of that other can also be made on the basis of the following description
Variation changes, and these belong to the protection of obvious changes or variations that spirit of that invention is drawn still in the present invention
Among range.
Refer to Fig. 1~4, bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame, including prefabricated pier stud 1
With bridge foundation 4, the pier stud 1 includes pier stud exposed junction and pier stud built-in end 2, and 4 top surface of the bridge foundation is down-set pre-
The socket joint slot 5 stayed, the shape of the socket joint slot 5 and the shape of the pier stud built-in end 2 match so that the pier stud built-in end 2
It can be embedded in the socket joint slot 5, the pier stud built-in end 2 encloses the annular pier stud keyway 3 of one indent of setting, institute along outer wall one
The annular bridge base keyway 6 that socket joint slot 5 encloses one corresponding indent of setting along inner wall one is stated, the pier stud built-in end 2 is embedding
There are slot bottom gap 17, newel post's insertions after entering socket joint slot 5, between 2 bottom surface of pier stud built-in end and 5 bottom surface of socket joint slot
There are slot gap 9, the pier stud keyway 3 and 6 phases of bridge foundation keyway between the outer wall and the inner wall of the socket joint slot 5 at end 2
It is corresponding；From the cast-in-place potting compound of top entry, the pier stud keyway 3 and the perfusion in bridge foundation keyway 6 in the slot gap 9
Object is condensed into annular alligator 8.
Referring to Fig. 1, the pier stud 1 is coaxial ladder column, and the thick section of the pier stud 1 is built-in end 2, thin segment is exposed junction,
The vertical main reinforcement 10 of one circle perforation built-in end 2 of setting, the main reinforcement 10 and 3 indent of pier stud keyway in 1 side wall of the pier stud
The distance of side wall is 2~4cm.
In the pier stud built-in end 2 more prefabricated pier stud alligator distributing bars 11 of setting are enclosed along side wall profile one；It is described
In bridge foundation 4 more prefabricated basic alligator distributing bars 13 of setting are enclosed along 5 side wall profile one of socket joint slot.
Referring to Fig. 2, multiple shear reinforcements 16 are set along one circle in the alligator 8, each shear reinforcement 16 is located at
Inside the alligator 8, two are extended upward for corresponding with 8 cross sectional shape of the alligator annular and bottom lock, open top
Root parallel rebar extends upwardly to 4 top surface of bridge foundation out of the slot gap 9.
The bridge foundation 4 is cushion cap or Extended chemotherapy；The bridge foundation 4 is locally increased to be formed around socket joint slot 5
Boss 7.
Referring to Fig. 3, Fig. 4, slurry 18 of mating formation in advance in the slot bottom gap 17.
The top surface of the pier stud built-in end 2 is higher than or flushes in 4 top surface of the bridge foundation.
The slot bottom gap 17 is 4~10cm, and 8 thickness of the alligator is 15~25cm.
Referring to Fig. 4, bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame, including prefabricated pier stud 1 and bridge
Beam basis 4, the pier stud 1 include pier stud exposed junction and pier stud built-in end 2, and 4 top surface of the bridge foundation is down-set reserved
Socket joint slot 5, the shape of the socket joint slot 5 and the shape of the pier stud built-in end 2 match so that the pier stud built-in end 2 can
In the embedded socket joint slot 5, the pier stud built-in end 2 encloses the annular pier stud keyway 3 of one indent of setting along outer wall one, described to hold
Slot 5 encloses the annular bridge base keyway 6 of one corresponding indent of setting along inner wall one, and the insertion of pier stud built-in end 2 is held
After slot 5, there are slot bottom gap 17, newel post's built-in ends 2 between 2 bottom surface of pier stud built-in end and 5 bottom surface of socket joint slot
Outer wall and the inner wall of the socket joint slot 5 between there are slot gap 9, the pier stud keyway 3 is opposite with bridge foundation keyway 6
It answers；From the cast-in-place potting compound of top entry, the pier stud keyway 3 and the potting compound in bridge foundation keyway 6 in the slot gap 9
It is condensed into annular alligator 8；
The pier stud is coaxial ladder column, and the thick section of the pier stud is built-in end 2, thin segment is exposed junction, 1 side of the pier stud
The vertical main reinforcement 10 of one circle perforation built-in end 2 of setting, the main reinforcement 10 are at a distance from 3 indent side wall of pier stud keyway in wall
2~4cm；
In the pier stud built-in end 2 more prefabricated pier stud alligator distributing bars 11 of setting are enclosed along side wall profile one；It is described
In bridge foundation 4 more prefabricated basic alligator distributing bars 13 of setting are enclosed along 5 side wall profile one of socket joint slot；
Multiple shear reinforcements 16 are set along one circle in the alligator 8, each shear reinforcement 16 is located at the alligator 8
Inside extends upward two parallel rebars for corresponding with 8 cross sectional shape of the alligator annular and bottom lock, open top
4 top surface of bridge foundation is extended upwardly to out of the slot gap 9.
Bridge prefabrication performance of concrete column confined and the construction method of bridge foundation alligator bell and spigot frame include the following steps：
2) socket joint slot 5 is reserved in bridge foundation 4 described in cast-in-site in the bridge foundation 4；2) pier stud 1 is measured
Installation site in bridge foundation 4, and telltale mark is installed in the socket joint slot 5；3) mat formation in 5 bottom of socket joint slot
Seat slurry 18, the seat slurry 18 are concordant with telltale mark；4) the prefabricated pier stud 1 is lifted into socket joint slot 5, bottom with
It is submerged in the seat slurry 18 after telltale mark alignment, adjusted use afterwards is fixed temporarily measure and fixes；5) alligator 8 is installed
Internal shear reinforcement 16：The shear reinforcement 16 is parallelly put into pier stud keyway 3 and bridge foundation keyway along slot gap 9
Between 6, rotated to 8 thickness direction of the alligator to be poured, in the slot gap, 9 reserved part shear reinforcement 16 passes through
Electric welding or improving bud grafting are fixed temporarily；6) potting compound in the slot gap 9 and alligator 8 is perfused and waits for its condensation molding.
Prefabricated reinforced concrete pier stud in the present invention uses bayonet joint with bridge bearing platform or Extended chemotherapy.Prefabricated
The reserved circle pier stud keyway 3 in 1 bottom of pier stud, reserves socket joint slot 5 in cushion cap or Extended chemotherapy, in socket joint slot 5 with pier stud keyway 3
The reserved circle bridge foundation keyway in corresponding position.1 bottom surface of pier stud and cushion cap or Extended chemotherapy reserve between socket joint slot 5 there are
5~15cm slots gap 9 pours self-compacting concrete in slot gap 9.In pier stud 1 and cushion cap or expansion after concrete coagulation
Shearing resistance alligator 8 is formed between basis, which strengthens the anchor connection between Precast Pier Columns 1 and cushion cap or Extended chemotherapy, drop
Low pier stud 1 is inserted into the anchorage depth of cushion cap or Extended chemotherapy.
1 bottom section dimension enlargement of Precast Pier Columns, ensure that 1 main reinforcement 10 of pier stud alligator slot range net protection thickness
The requirement of the size of degree and pier stud bottom socket joint slot 5, while ensureing that 1 main reinforcement 10 of pier stud passes to 1 bottom of pier stud.
Shear reinforcement 16 is configured in alligator 8, improves the shearing strength of alligator 1, ensure that pier stud 1 anchors stress performance,
Enhance pier stud anti-seismic performance.Self-compaction non-shrinking steel fiber concrete can be poured in alligator 8 according to different force requests,
Ultra-high performance concrete or common non-shrinkage concrete can be poured.
1 bottom pier stud keyway 3 of Precast Pier Columns and cushion cap or Extended chemotherapy socket joint slot 5 configure corresponding shear reinforcement, full
Sufficient force request.
Boss 7 is set at the top of cushion cap or Extended chemotherapy, the size of cushion cap or Extended chemotherapy alligator can be increased, increases pier stud
1 anchoring ability.
Slot bottom gap 17 is set as 4~10cm, ensures that concreting is closely knit.
The middle part in 4 coupling part of the pier stud built-in end 2 and bridge foundation is arranged in alligator 8, and the height of alligator 8 is not according to
Same 4 thickness of bridge foundation setting.
Pier stud alligator distributing bar 11 is set as a circle, including upper and lower two sections of 8 Internal periphery of alligator along 8 Internal periphery of alligator；Base
Plinth alligator distributing bar 13 is set as a circle along 8 outer profile of alligator, includes two sections and 8 side of alligator of 8 outer profile upper and lower part of alligator
One section of vertical bars outside wall.
Claims (10)
1. bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame, including prefabricated pier stud (1) and bridge foundation
(4), the pier stud (1) includes pier stud exposed junction and pier stud built-in end (2), and bridge foundation (4) top surface is down-set reserved
Socket joint slot (5), the shape of the socket joint slot (5) and the shape of the pier stud built-in end (2) match so that the pier stud is embedding
Entering end (2) can be embedded in the socket joint slot (5), which is characterized in that the pier stud built-in end (2) is along the circle of outer wall one setting one
The annular pier stud keyway (3) of indent, the socket joint slot (5) enclose the annular bridge base of one corresponding indent of setting along inner wall one
Plinth keyway (6), the embedded socket joint slot (5) of the pier stud built-in end (2) afterwards, pier stud built-in end (2) bottom surface and socket joint slot (5) bottom
There are slot bottom gap (17) between face, between the outer wall and the inner wall of the socket joint slot (5) of newel post's built-in end (2) there are
Slot gap (9), the pier stud keyway (3) are corresponding with bridge foundation keyway (6)；Enter from top in the slot gap (9)
The cast-in-place potting compound of mouth, the pier stud keyway (3) are condensed into annular alligator (8) with the potting compound in bridge foundation keyway (6).
2. bridge prefabrication performance of concrete column confined as described in claim 1 and bridge foundation alligator bell and spigot frame, which is characterized in that institute
It is coaxial ladder column to state pier stud (1), and the thick section of the pier stud (1) is built-in end 2, thin segment is exposed junction, pier stud (1) side wall
The vertical main reinforcement (10) of one circle perforation built-in end (2) of interior setting, the main reinforcement (10) and pier stud keyway (3) indent side wall
Distance is 2~4cm.
3. bridge prefabrication performance of concrete column confined as described in claim 1 and bridge foundation alligator bell and spigot frame, which is characterized in that institute
It states in pier stud built-in end (2) and encloses more prefabricated pier stud alligator distributing bars (11) of setting along side wall profile one；The bridge base
In plinth (4) more prefabricated basic alligator distributing bars (13) of setting are enclosed along socket joint slot (5) side wall profile one.
4. bridge prefabrication performance of concrete column confined as described in claim 1 and bridge foundation alligator bell and spigot frame, which is characterized in that institute
It states in alligator (8) and multiple shear reinforcements (16) is set along one circle, each shear reinforcement (16) is located in the alligator (8)
Portion extends upward two parallel rebars for corresponding with the alligator (8) cross sectional shape annular and bottom lock, open top
Bridge foundation (4) top surface is extended upwardly in from the slot gap (9).
5. bridge prefabrication performance of concrete column confined as described in claim 1 and bridge foundation alligator bell and spigot frame, which is characterized in that institute
It is cushion cap or Extended chemotherapy to state bridge foundation (4)；Increase to form boss in the bridge foundation (4) part around socket joint slot (5)
(7)。
6. bridge prefabrication performance of concrete column confined as described in claim 1 and bridge foundation alligator bell and spigot frame, which is characterized in that institute
State a slurry (18) of mating formation in advance in slot bottom gap (17).
7. bridge prefabrication performance of concrete column confined as described in claim 1 and bridge foundation alligator bell and spigot frame, which is characterized in that institute
The top surface for stating pier stud built-in end (2) is higher than or flushes in the bridge foundation (4) top surface.
8. bridge prefabrication performance of concrete column confined as described in claim 1 and bridge foundation alligator bell and spigot frame, which is characterized in that institute
It is 4~10cm to state slot bottom gap (17), and alligator (8) thickness is 15~25cm.
9. bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame, including prefabricated pier stud (1) and bridge foundation
(4), the pier stud (1) includes pier stud exposed junction and pier stud built-in end (2), and bridge foundation (4) top surface is down-set reserved
Socket joint slot (5), the shape of the socket joint slot (5) and the shape of the pier stud built-in end (2) match so that the pier stud is embedding
Entering end (2) can be embedded in the socket joint slot (5), which is characterized in that the pier stud built-in end (2) is along the circle of outer wall one setting one
The annular pier stud keyway (3) of indent, the socket joint slot (5) enclose the annular bridge base of one corresponding indent of setting along inner wall one
Plinth keyway (6), the embedded socket joint slot (5) of the pier stud built-in end (2) afterwards, pier stud built-in end (2) bottom surface and socket joint slot (5) bottom
There are slot bottom gap (17) between face, between the outer wall and the inner wall of the socket joint slot (5) of newel post's built-in end (2) there are
Slot gap (9), the pier stud keyway (3) are corresponding with bridge foundation keyway (6)；Enter from top in the slot gap (9)
The cast-in-place potting compound of mouth, the pier stud keyway (3) are condensed into annular alligator (8) with the potting compound in bridge foundation keyway (6)；
The pier stud is coaxial ladder column, and the thick section of the pier stud is built-in end (2), thin segment is exposed junction, pier stud (1) side
The vertical main reinforcement (10) of one circle perforation built-in end (2) of setting, the main reinforcement (10) and pier stud keyway (3) indent side wall in wall
Distance be 2~4cm；
In the pier stud built-in end (2) more prefabricated pier stud alligator distributing bars (11) of setting are enclosed along side wall profile one；It is described
In bridge foundation (4) more prefabricated basic alligator distributing bars (13) of setting are enclosed along socket joint slot (5) side wall profile one；
Multiple shear reinforcements (16) are set along one circle in the alligator (8), each shear reinforcement (16) is located at the tooth
Key (8) is internal, and two are extended upward for corresponding with the alligator (8) cross sectional shape annular and bottom lock, open top
Parallel rebar extends upwardly to bridge foundation (4) top surface out of described slot gap (9).
10. bridge prefabrication performance of concrete column confined as claimed in claim 9 and bridge foundation alligator bell and spigot frame, which is characterized in that
Its construction method includes the following steps：
1) socket joint slot (5) is reserved in bridge foundation described in cast-in-site (4) in the bridge foundation (4)；2) pier stud is measured
(1) installation site in bridge foundation (4), and telltale mark is installed in the socket joint slot (5)；3) in the socket joint slot
(5) bottom is mated formation a slurry (18), and the seat slurry (18) is concordant with telltale mark；4) the prefabricated pier stud (1) is lifted
To in socket joint slot (5), bottom be aligned with telltale mark after submerge in the seat slurry (18), is arranged after adjusted using being fixed temporarily
Apply fixation；5) the internal shear reinforcement (16) of the alligator (8) is installed：By the shear reinforcement (16) parallelly along slot gap
(9) it is put between pier stud keyway (3) and bridge foundation keyway (6), is rotated to the alligator (8) thickness direction to be poured,
It is fixed temporarily by electric welding or improving bud grafting in slot gap (9) the reserved part shear reinforcement (16)；6) described insert is perfused
Slot gap (9) and alligator (8) interior potting compound wait for its condensation molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109537465A (en) * | 2018-12-11 | 2019-03-29 | 中交公局土木工程建筑研究院有限公司 | A kind of assembled cushion cap pier stud joint model and the cementation of fissures construction technology using it |
| CN109680706A (en) * | 2018-12-11 | 2019-04-26 | 中交一公局土木工程建筑研究院有限公司 | A kind of assembled cushion cap pier stake prototype and the cementation of fissures construction technology using it |
| CN110205918A (en) * | 2019-05-23 | 2019-09-06 | 山东省交通规划设计院 | A kind of packaged type bridges pile splicing structure and attaching method thereof |
| CN110629664A (en) * | 2019-10-24 | 2019-12-31 | 北京市市政工程设计研究总院有限公司 | Prefabricated assembled UHPC lattice type bridge pier column structure and construction method thereof |
| CN110886202A (en) * | 2019-11-26 | 2020-03-17 | 北京工业大学 | Socket joint type node connection structure and construction method for prefabricated reinforced concrete hollow pier |
| CN111119053A (en) * | 2018-10-30 | 2020-05-08 | 中铁二院工程集团有限责任公司 | Embedded connection structure of pier and foundation and construction method thereof |
| CN111810364A (en) * | 2020-06-15 | 2020-10-23 | 中国电建集团华东勘测设计研究院有限公司 | Gear reinforced hollow fan foundation structure for wind generating set tower cylinder |
| CN112343072A (en) * | 2020-10-28 | 2021-02-09 | 武汉品珈网络科技有限公司 | Building, foundation structure of building and construction method thereof |
| CN112853948A (en) * | 2021-04-08 | 2021-05-28 | 长安大学 | Assembled bridge pier column node structure |
| CN113123222A (en) * | 2021-04-23 | 2021-07-16 | 上海市政工程设计研究总院（集团）有限公司 | Socket joint type connecting structure between prefabricated bridge pier column and bearing platform additionally provided with boss |
| CN109537465B (en) * | 2018-12-11 | 2024-04-30 | 中交一公局土木工程建筑研究院有限公司 | Assembled bearing platform pier column joint model and joint filling construction process using same |
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| CN111119053A (en) * | 2018-10-30 | 2020-05-08 | 中铁二院工程集团有限责任公司 | Embedded connection structure of pier and foundation and construction method thereof |
| CN109537465A (en) * | 2018-12-11 | 2019-03-29 | 中交公局土木工程建筑研究院有限公司 | A kind of assembled cushion cap pier stud joint model and the cementation of fissures construction technology using it |
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| CN109518609A (en) * | 2018-12-11 | 2019-03-26 | 中交公局土木工程建筑研究院有限公司 | A kind of reserved seam cementation of fissures casting craft of packaged type bridges cushion cap pier stud |
| CN109537465B (en) * | 2018-12-11 | 2024-04-30 | 中交一公局土木工程建筑研究院有限公司 | Assembled bearing platform pier column joint model and joint filling construction process using same |
| CN110205918A (en) * | 2019-05-23 | 2019-09-06 | 山东省交通规划设计院 | A kind of packaged type bridges pile splicing structure and attaching method thereof |
| CN110629664A (en) * | 2019-10-24 | 2019-12-31 | 北京市市政工程设计研究总院有限公司 | Prefabricated assembled UHPC lattice type bridge pier column structure and construction method thereof |
| CN110886202A (en) * | 2019-11-26 | 2020-03-17 | 北京工业大学 | Socket joint type node connection structure and construction method for prefabricated reinforced concrete hollow pier |
| CN111810364A (en) * | 2020-06-15 | 2020-10-23 | 中国电建集团华东勘测设计研究院有限公司 | Gear reinforced hollow fan foundation structure for wind generating set tower cylinder |
| CN111810364B (en) * | 2020-06-15 | 2021-11-19 | 中国电建集团华东勘测设计研究院有限公司 | Gear reinforced hollow fan foundation structure for wind generating set tower cylinder |
| CN112343072A (en) * | 2020-10-28 | 2021-02-09 | 武汉品珈网络科技有限公司 | Building, foundation structure of building and construction method thereof |
| CN112853948A (en) * | 2021-04-08 | 2021-05-28 | 长安大学 | Assembled bridge pier column node structure |
| CN113123222A (en) * | 2021-04-23 | 2021-07-16 | 上海市政工程设计研究总院（集团）有限公司 | Socket joint type connecting structure between prefabricated bridge pier column and bearing platform additionally provided with boss |
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