CN209619858U - A kind of combination assembled bridge framed bent pier system of steel-concrete - Google Patents
A kind of combination assembled bridge framed bent pier system of steel-concrete Download PDFInfo
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- CN209619858U CN209619858U CN201920058370.9U CN201920058370U CN209619858U CN 209619858 U CN209619858 U CN 209619858U CN 201920058370 U CN201920058370 U CN 201920058370U CN 209619858 U CN209619858 U CN 209619858U
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Abstract
A kind of combination assembled bridge framed bent pier system of steel-concrete, including the girder above the concrete-filled steel tubular hollow twin shaft pier above pile foundation, pile foundation, the I-steel straining beam between twin shaft pier, the steel lid beam on twin shaft pier top, the support and support of steel lid beam upper surface.Concrete-filled steel tubular hollow twin shaft pier is made of the stainless steel tube and interlayer plain concrete of inside and outside layer circular coaxial, and squat pier is integral prefabricated, and high pier point lower segment, middle segment and upper segment carry out precast segment；Steel lid beam is integral prefabricated by the stainless steel tube, prestressing with bond reinforcing bar and plain concrete of rectangular section.Precast Pier Columns and pile foundation junction are locally cast-in-place, and part is nested between each segment, and each junction is all welded and is bolted.The utility model also can be used for polystyle framed bent pier system using queen post bridge framed bent pier antidetonation system.The framed bent pier system belongs to science of bridge building field, constructs convenient, environmentally protective.
Description
Technical field
The utility model relates to bridge, in particular to a kind of combination assembled bridge of novel steel-concrete
Framed bent pier system, belongs to science of bridge building field.
Background technique
Existing highway bridge framed bent pier structure system, the generally lid by standing on the pier stud in pile foundation, being fixed on above pier stud
Beam and the straining beam being arranged between pier stud composition, and pier stud, bent cap and straining beam are all reinforced concrete member, such knot
Structure shows serious earthquake problem in earthquake, such as concrete conquassation is peeled off, Bar Buckling is exposed, generally passes through improvement
The performance of concrete and reinforcing bar increases scantling to promote the shock resistance of framed bent pier structure, and seldom by structure
System makes improvement and optimization to improve the anti-seismic performance of framed bent pier structure.
Traditional bridge framed bent pier structure uses the construction method of cast in situs, show speed of application is slow, time-consuming is taken a lot of work,
The problems such as quality is bad, environmental pollution and structural seismic performance are insufficient.With the rapid development of our country's economy, Precast Concrete Segmental Bridges
Technology is before Bridges in Our Country engineering field shows and constructs the good development such as convenient, high-efficient, high-quality, environmentally protective
Scape, but it is mainly used in bridge superstructure at present, the application in bridge substructure is seldom and technology is limited.Bridge framed bent
When pier structure carries out Precast Concrete Segmental Bridges, between Precast Pier Columns and cushion cap, between Precast Pier Columns and bent cap, Precast Pier Columns and horizontal system
How to be connected between beam and between Precast Pier Columns segment and segment, is to influence Precast Concrete Segmental Bridges framed bent pier structure system antidetonation
The key point of performance.
Summary of the invention
The purpose of the utility model is to provide a kind of combination assembled bridge framed bent pier systems of steel-concrete.
The utility model is a kind of combination assembled bridge framed bent pier system of steel-concrete, comprising: pile foundation 1, pile 2,
Cushion cap 3, binder 4, outer ring steel plate 5, reserved steel bar cage 6, concrete-filled steel tubular hollow twin shaft pier 7, outer steel pipe 8, interior steel pipe 9,
Annular steel plate 10, plain concrete 11, steel lid beam 12, deformed bar 13, I-steel straining beam 14, steel plate block 15, steel plate
Pinner 16, high-strength bolt button 17, support 21, girder 22, pile foundation 1 on the basis of pile 2 in two kinds of situation: one is hold
For platform 3 without ground binder 4, one is have ground binder 4 without cushion cap 3；Pile foundation 1, pile 2, cushion cap 3, binder 4 be all made of integral cast-in-situ
Form carries out cast in situs；Connection 1 top of pile foundation and concrete-filled steel tubular hollow twin columns are respectively provided in pile 2 or 3 top of cushion cap
The reserved steel bar cage 6 of 7 pier bottom of pier；Reserved steel bar cage 6 is divided inside and outside double-deck or more by the reserved main reinforcement 18 that donut cross is symmetrically discharged
Layer arranged concentric is bound with ring-shaped stirrup 19 is fixed；The diameter of reserved steel bar cage 6 is within the diameter of interior steel pipe 9；
The distributing bar 20 for being embedded in the 6 lower semisection right-angled intersection of reserved steel bar cage below of pile 2 or 3 top surface of cushion cap divides
Upper and lower multilayer is fixed in the main reinforcement in pile 2 or cushion cap 3, reserves each friendship of main reinforcement 18, ring-shaped stirrup 19 and distributing bar 20
Binding and fixing, the reserved main reinforcement 18 being overlapped with 2 axis of pile bind the cross point of intersection in distributing bar 20 to point respectively；
Upper semisection of the reserved steel bar cage 6 more than 3 top surface of pile 2 or cushion cap is stretched outside interior 9 bottom of steel pipe, interior 9 bottom of steel pipe
The plain concrete 11 of cast in situs certain altitude, keeps hollow thereon；
Two pier studs of concrete-filled steel tubular hollow twin shaft pier 7 are integral prefabricated or segmented precast splice type pier stud, by
Outer steel pipe 8, interior steel pipe 9 and interlayer plain concrete 11 form；Outer steel pipe 8 and interior steel pipe 9 are circular cross-sections, and interior steel pipe 9 includes
In outer steel pipe 8, and the vertical axis of the two is overlapped, and plain concrete 11 is perfused between outer steel pipe 8 and interior steel pipe 9；
Using welding and high-strength bolt button 17 by 7 pier bottom outer steel pipe of concrete-filled steel tubular hollow twin shaft pier, 8 bottom end and pile 2 or
The pre-buried outer ring steel plate 5 in 3 top of cushion cap connects；
There are two types of preformed patterns for two pier studs of concrete-filled steel tubular hollow twin shaft pier 7, first is that squat pier pier stud is using no segment
It is integral prefabricated, second is that high pier pier stud is divided into lower segment 7-1, middle segment 7-2 and upper segment 7-3, wherein the middle visual pier of segment 7-2
High situation is further divided into minor segment；Each segment is in addition to lower segment 7-1, the bottom end of middle segment 7-2, upper segment 7-3 and each minor segment
Prefabricated in inverted "convex" shape, the outer diameter for protruding part is equal to the diameter of interior steel pipe 9；Between each segment using nested, welding and
High-strength bolt button 17 connects；
Steel lid beam 12 is by the steel tank 12-1 of stainless steel, WELDING STUDS 12-2, top plate 12-3, anchorage 12-4,15 and of steel plate block
Steel plate pinner 16 and deformed bar 13 and plain concrete 11 is integral prefabricated forms；Wherein, steel tank 12-1 is by five blocks of stainless steels
Plate is welded, top-open, and cross section is rectangle, the longitudinally arranged steel plate WELDING STUDS 12-2 on steel tank 12-1 bottom plate, top
Plate 12-3 is stainless steel plate；Deformed bar 13 is arranged in bottom in steel tank 12-1, and both ends are anchored at respectively by anchorage 12-4
12 beam-ends outer surface of steel lid beam；Single layer steel plate block 15 is arranged in 12 beam-ends upper surface of steel lid beam；Steel is set at girder support position
Plate pinner 16)；
Total system are as follows: reserved steel bar cage 6 is set on 1 top of pile foundation, i.e. the lower semisection of reserved steel bar cage 6 is pre-buried
In pile 2 or cushion cap 3, upper semisection stretches out pile 2 or 3 top surface of cushion cap；It will be using integral prefabricated or segmented prefabricated sky
Two pier studs of heart concrete filled steel tube twin shaft pier 7 are respectively together with 1 assembling combination of pile foundation；Prefabricated steel lid beam 12 is determined
In 7 pier top of concrete-filled steel tubular hollow twin shaft pier；I-steel straining beam 14 is fixed on hollow steel pipe coagulation by welding
Between native twin shaft pier 7.
The benificial effect of the utility model is to being able to solve traditional bridge framed bent pier structure, there are problems, by right
The structural system and production method of bridge framed bent pier optimize, and to improve many deficiencies of bridge framed bent pier structure, improve it
Shock resistance.Have the advantages that convenient, environmentally protective, the curved, shearing resistance of construction and torsional property are good, bridge framed bent can be effectively improved
The whole anti-seismic performance of pier structure reaches and damages purpose of design that is relatively light, meeting emergency operation or can repair in big earthquake centre.This is practical
It is novel to can be used for newly building bridge framed bent pier structure Aseismic Design or existing bridge framed bent pier structure seismic hardening.
Detailed description of the invention
Fig. 1 is the bridge queen post framed bent pier structure system overall schematic (single pile formula) of the utility model, and Fig. 2 is this reality
With novel bridge queen post framed bent pier structure system overall schematic (clump of piles-bearing platform type), Fig. 3 is the prefabricated of the utility model
Concrete-filled steel tubular hollow twin shaft pier and its local connecting structure figure with single pile, Fig. 4 are the precast hollow steel pipe of the utility model
Concrete Double stub and its local connecting structure figure with cushion cap, Fig. 5 are the concrete-filled steel tubular hollow twin shaft pier of the utility model
The Precast Concrete Segmental Bridges schematic diagram of pier stud, Fig. 5 are the top views of Fig. 6, and Fig. 6 is the concrete-filled steel tubular hollow twin columns of the utility model
The Precast Concrete Segmental Bridges schematic diagram of pier pier stud, Fig. 7 be the utility model pre-manufactured steel bent cap and its with pier stud part connecting structure
Figure, Fig. 8 are the high-strength bolt button schematic diagram of the utility model.Appended drawing reference and corresponding title are as follows: 1, pile foundation；2, pile；3,
Cushion cap；4, binder；5, doughnut-shaped steel plate；6, reserved steel bar cage；7, concrete-filled steel tubular hollow twin shaft pier 7-1, lower segment；7-2, in
Segment；7-3, upper segment)；8, outer steel pipe；9, interior steel pipe；10, doughnut-shaped steel plate；11, plain concrete；12, steel lid beam (12-1, steel
Slot；12-2, WELDING STUDS；12-3, top plate；12-4, anchorage)；13, deformed bar；14, I-steel straining beam；15, steel plate is kept off
Block；16, steel plate pinner；17, high-strength bolt button；18, main reinforcement is reserved；19, ring-shaped stirrup；20, distributing bar；21, support；22,
Girder；23, pile main reinforcement.
Specific embodiment
As shown in Fig. 1 ~ Fig. 8, the utility model is a kind of combination assembled bridge framed bent pier system of steel-concrete, comprising:
Pile foundation 1, pile 2, cushion cap 3, binder 4, outer ring steel plate 5, reserved steel bar cage 6, concrete-filled steel tubular hollow twin shaft pier 7, outer
Steel pipe 8, interior steel pipe 9, annular steel plate 10, plain concrete 11, steel lid beam 12, deformed bar 13, I-steel straining beam 14, steel
Plate block 15, steel plate pinner 16, high-strength bolt button 17, support 21, girder 22, pile foundation 1 are divided to two kinds of feelings on the basis of pile 2
Condition: one is having cushion cap 3 without ground binder 4, one is have ground binder 4 without cushion cap 3；Pile foundation 1, pile 2, cushion cap 3, binder 4
It is all made of integral cast-in-situ form and carries out cast in situs；Pile 2 or 3 top of cushion cap be respectively provided with connection 1 top of pile foundation with it is hollow
The reserved steel bar cage 6 of 7 pier bottom of concrete filled steel tube twin shaft pier；The reserved main reinforcement 18 that reserved steel bar cage 6 is symmetrically discharged by donut cross
Double-deck (or multilayer) arranged concentric inside and outside point is bound with ring-shaped stirrup 19 is fixed；The diameter of reserved steel bar cage 6 is in interior steel pipe 9
Within diameter.
The distributing bar 20 for being embedded in the 6 lower semisection right-angled intersection of reserved steel bar cage below of pile 2 or 3 top surface of cushion cap divides
Upper and lower multilayer is fixed in the main reinforcement in pile 2 or cushion cap 3, reserves each friendship of main reinforcement 18, ring-shaped stirrup 19 and distributing bar 20
Binding and fixing, the reserved main reinforcement 18 being overlapped with 2 axis of pile bind the cross point of intersection in distributing bar 20 to point respectively.
Upper semisection of the reserved steel bar cage 6 more than 3 top surface of pile 2 or cushion cap is stretched outside interior 9 bottom of steel pipe, interior 9 bottom of steel pipe
The plain concrete 11 of cast in situs certain altitude, keeps hollow thereon.
Two pier studs of concrete-filled steel tubular hollow twin shaft pier 7 are integral prefabricated or segmented precast splice type pier stud, by
Outer steel pipe 8, interior steel pipe 9 and interlayer plain concrete 11 form；Outer steel pipe 8 and interior steel pipe 9 are circular cross-sections, and interior steel pipe 9 includes
In outer steel pipe 8, and the vertical axis of the two is overlapped, and plain concrete 11 is perfused between outer steel pipe 8 and interior steel pipe 9；
Using welding and high-strength bolt button 17 by 7 pier bottom outer steel pipe of concrete-filled steel tubular hollow twin shaft pier, 8 bottom end and pile 2 or
The pre-buried outer ring steel plate 5 in 3 top of cushion cap connects.
There are two types of preformed patterns for two pier studs of concrete-filled steel tubular hollow twin shaft pier 7, first is that squat pier pier stud is using no segment
It is integral prefabricated, second is that high pier pier stud is divided into lower segment 7-1, middle segment 7-2 and upper segment 7-3, wherein the middle visual pier of segment 7-2
High situation is further divided into minor segment；Each segment is in addition to lower segment 7-1, the bottom end of middle segment 7-2, upper segment 7-3 and each minor segment
Prefabricated in inverted "convex" shape, the outer diameter for protruding part is equal to the diameter of interior steel pipe 9；Between each segment using nested, welding and
High-strength bolt button 17 connects.
Steel lid beam 12 is by the steel tank 12-1 of stainless steel, WELDING STUDS 12-2, top plate 12-3, anchorage 12-4,15 and of steel plate block
Steel plate pinner 16 and deformed bar 13 and plain concrete 11 is integral prefabricated forms；Wherein, steel tank 12-1 is by five blocks of stainless steels
Plate is welded, top-open, and cross section is rectangle, the longitudinally arranged steel plate WELDING STUDS 12-2 on steel tank 12-1 bottom plate, top
Plate 12-3 is stainless steel plate；Deformed bar 13 is arranged in bottom in steel tank 12-1, and both ends are anchored at respectively by anchorage 12-4
12 beam-ends outer surface of steel lid beam；Single layer steel plate block 15 is arranged in 12 beam-ends upper surface of steel lid beam；Steel is set at girder support position
Plate pinner 16.
Total system are as follows: reserved steel bar cage 6 is set on 1 top of pile foundation, i.e. the lower semisection of reserved steel bar cage 6 is pre-buried
In pile 2 or cushion cap 3, upper semisection stretches out pile 2 or 3 top surface of cushion cap；It will be using integral prefabricated or segmented prefabricated sky
Two pier studs of heart concrete filled steel tube twin shaft pier 7 are respectively together with 1 assembling combination of pile foundation；Prefabricated steel lid beam 12 is determined
In 7 pier top of concrete-filled steel tubular hollow twin shaft pier；I-steel straining beam 14 is fixed on hollow steel pipe coagulation by welding
Between native twin shaft pier 7.
As shown in Fig. 1 ~ Fig. 3, pre-buried outer ring steel plate 5 at 3 top pier stud position of pile 2 or cushion cap, internal diameter is equal to pier
The outer diameter of column outer steel pipe 8；Pile 2 or cushion cap are respectively provided with reserved steel bar cage 6, the lower half of reserved steel bar cage 6 at 3 top pier stud position
Section is embedded in pile 2 or cushion cap 3 in advance, and upper semisection stretches out pile 2 or 3 top surface of cushion cap；Reserved steel bar cage 6 is whole by donut cross pair
Claim the reserved main reinforcement 18 of discharge to divide inside and outside bilayer or multilayer arranged concentric, and is bound with the fixation of ring-shaped stirrup 19, and reserved
The diameter of steel reinforcement cage 6 is in pier stud within the diameter of steel pipe 9；The distributing bar of the lower semisection right-angled intersection of reserved steel bar cage 6
About 20 points multiple-layer horizontals are fixed in the main reinforcement 23 of pile 2 or cushion cap 3；The distributing bar 20 of right-angled intersection and reserved main reinforcement 18
It is perpendicular, and bind the point of intersection in reserved main reinforcement 18 and ring-shaped stirrup 19；On pier stud center, i.e., with 2 axis weight of pile
Cross point of intersection of the binding of reserved main reinforcement 18 closed in distributing bar 20；The upper semisection of reserved steel bar cage 6 is stretched outside steel pipe 9 in pier stud
Bottom, the plain concrete 11 of bottom cast in situs certain altitude makes in 7 pier bottom of concrete-filled steel tubular hollow twin shaft pier in interior steel pipe 9
Portion is consolidated with pile foundation 1.
As shown in Fig. 1 ~ Fig. 4, two pier studs of concrete-filled steel tubular hollow twin shaft pier 7 are integral prefabricated or segmented prefabricated
Pin-connected panel pier stud is made of outer steel pipe 8, interior steel pipe 9 and interlayer plain concrete 11；Outer steel pipe 8, interior steel pipe 9 are circular cross-section
Stainless-steel pipe, interior steel pipe 9 is included in outer steel pipe 8, and coaxial placement, and bottom is welded on jointly on annular steel plate 10；It is interior
The inside and outside diameter of doughnut-shaped steel plate 10 is equal with interior steel pipe 9, the diameter difference of outer steel pipe 8, pours between interior steel pipe 9, outer steel pipe 8
Plain concrete 11；It is bound using the welding of annular steel plate 10.
As shown in Fig. 1, Fig. 8, there are two types of preformed patterns for two pier studs of concrete-filled steel tubular hollow twin shaft pier 7, first is that squat pier
Pier stud is integral prefabricated using no segment, second is that high pier pier stud is divided into lower segment 7-1, middle segment 7-2 and upper segment 7-3, wherein in
The high situation of the visual pier of segment 7-2 is further divided into minor segment；Middle segment 7-2, upper segment 7-3 of the high pier in addition to lower segment 7-1
And the bottom end of each minor segment is prefabricated in inverted "convex" shape, the outer diameter for protruding part is equal to the diameter of interior steel pipe 9.
It as shown in Fig. 1, Fig. 5, Fig. 6, is fixed in the steel lid beam 12 of twin shaft pier pier top, the steel plate lower end at the both ends steel tank 12-1
Reserving hole is to be pierced by prestressing with bond reinforcing bar 13, longitudinally arranged steel plate WELDING STUDS 12-2 on steel tank 12-1 bottom plate；Prestressing force
Reinforcing bar 13 is arranged in bottom in steel tank 12-1, and both ends are anchored at 12 beam-ends outer surface of steel lid beam by anchorage 12-4 respectively；Steel lid
Single layer steel plate block 15 is arranged in 12 beam-ends upper surface of beam, and steel plate block 15 uses stainless steel plate, is fixed on 12 upper surface of steel lid beam；
Steel plate pinner 16 is set at 12 upper surface support position of steel lid beam, and steel plate pinner 16 uses stainless steel plate, is fixed on steel lid beam 12
Upper surface.
As shown in Fig. 1 ~ Fig. 8, the I-steel being fixed between 12 or less steel lid beam, concrete-filled steel tubular hollow twin shaft pier 7 is horizontal
Binder 14 replaces the reinforced concrete member on traditional queen post framed bent pier using the I-steel of pre-set dimension size；Hollow steel pipe
Interior steel pipe 9, outer steel pipe 8, I-steel straining beam 14, the steel tank 12-1 of steel lid beam, steel plate block 15, steel plate of Concrete Double stub
Pinner 16 and pre-buried outer ring steel plate 5 are all made of stainless steel material.
The construction method of the combination assembled bridge framed bent pier system of the steel-concrete of the utility model, such as Fig. 1 ~ Fig. 8 institute
Show, 7 squat pier pier stud of concrete-filled steel tubular hollow twin shaft pier is integral prefabricated using no segment, the steps include:
Every pier stud is all made of an interior steel pipe 9 and an outer steel pipe 8, and interior 9 bottom of steel pipe is welded on annular steel plate 10
Inward flange, 8 bottom of outer steel pipe are welded on 10 outer edge of annular steel plate, i.e., first use 10 back cover of annular steel plate, then from not sealing also
The pier stud top on the top placing interlayer plain concrete 11 between interior steel pipe 9, outer steel pipe 8 from top to bottom, plain concrete 11 is poured into
It behind pier stud top, smoothes out, flushes plain concrete 11 with pier stud top surface, finally bound with the welding of annular steel plate 10, conserved,
Molding, roping to preparation at the construction site are assembled with pile foundation 1 and steel lid beam 12；When site operation, first by prefabricated two
Sleeve is distinguished on the reserved steel bar cage 6 that pile 2 or 3 top of cushion cap are arranged in root concrete-filled steel tubular hollow pier stud bottom end, using weldering
Connect the outer ring that concrete-filled steel tubular hollow pier stud bottom end outer steel pipe 8 and pile 2 or 3 top of cushion cap are arranged with high-strength bolt button 17
Steel plate 5 is fixedly connected；The plain concrete of certain volume amount is perfused from top to bottom along the hollow section of concrete-filled steel tubular hollow pier stud again
11, so that 6 top half of reserved steel bar cage is cast in the bottom end of concrete-filled steel tubular hollow pier stud completely by plain concrete 11.
As shown in Fig. 1 ~ Fig. 8, above-described construction method, the high pier pier stud of concrete-filled steel tubular hollow twin shaft pier 7 is using pre-
Section assembling technology processed, the steps include:
First by two pier studs be divided into lower segment 7-1, middle segment 7-2, upper segment 7-3 carry out respectively it is prefabricated, wherein middle section
The section high situation of the visual pier of 7-2 is further divided into minor segment；Each segment is all made of an interior steel pipe 9 and an outer steel pipe 8, each segment according to
The integral prefabricated process of squat pier carries out prefabricated；Wherein, in addition to lower segment 7-1, middle segment 7-2, upper segment 7-3 and each minor segment
Bottom end it is prefabricated in inverted "convex" shape, protrude part outer diameter be equal to interior steel pipe 9 diameter；The prefabricated each segment of precasting yard
Afterwards, roping first consolidates lower segment 7-1 to construction site in the way of squat pier and 3 on-site consolidation of pile 2 or cushion cap,
According still further to the assembled each segment of sequence from top to bottom, so that a segment bottom end is fallen " convex " character segment and be successively closely nested in
Pier stud lower segment top hollow area；Segment first is welded by the way of welding after docking neatly in each pier stud segment outer steel pipe 8
Seam, then lockked each 9 seaming zone of segment outer steel pipe using annular high-strength bolt button 17.
As shown in Fig. 1 ~ Fig. 8, above-described construction method, the specific prefabrication step of steel lid beam 12 are as follows:
Using integral prefabricated, welded to obtain upper opening of rectangular section steel tank 12-1, steel first with five pieces of stainless steel plates
The reserved hole for being pierced by prestressing with bond reinforcing bar 13 in the steel plate lower end at the both ends slot 12-1；Using pre-tensioning system prestressed reinforcement of tensioning
13, then plain concrete 11 is poured in steel tank 12-1, after plain concrete 11 is poured into the top steel tank 12-1, smoothes out, makes plain coagulation
Soil 11 is flushed with the top surface steel tank 12-1, top plate 12-3 welding binds, conserves, forming, and after intensity requirement to be achieved, truncation is answered in advance
Power reinforcing bar both ends, while camber is controlled, deformed bar 13 is anchored at by 12 beam-ends of steel lid beam by anchorage 12-4 respectively
Outer surface；Steel plate block 15 and steel plate pinner 16 are welded on by 12 upper surface corresponding position of steel lid beam by welding manner again；
Roping is assembled to construction site and concrete-filled steel tubular hollow twin shaft pier 7 etc..
As shown in Fig. 1 ~ Fig. 8, above-described construction method, the construction procedure sequence of total system are as follows: first use
Whole cast in situs mode accomplishes fluently pile foundation 1, and reserved steel bar cage 6 is arranged on 1 top of pile foundation, i.e., under reserved steel bar cage 6
Half section is embedded in pile 2 or cushion cap 3 in advance, and upper semisection stretches out pile 2 or 3 top surface of cushion cap；Then integral prefabricated or merogenesis will be used
Two pier studs of the prefabricated concrete-filled steel tubular hollow twin shaft pier 7 of section respectively with pile foundation 1 by concrete cast-in-situ section, welding and
The mode that high-strength bolt button 17 connects carries out assembling combination；Prefabricated steel lid beam 12 is passed through into welding and high-strength bolt button 17 again
The mode of connection is fixed on 7 pier top of concrete-filled steel tubular hollow twin shaft pier；By welding by I-steel straining beam 14 finally
It is fixed between concrete-filled steel tubular hollow twin shaft pier 7.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
It knows professional and technical personnel do not departing within the scope of technical solutions of the utility model, when the technology contents disclosed using appeal
It is modified or is modified to the equivalent embodiment of equivalent variations, but all without departing from technical solutions of the utility model
Hold, according to the technical essence of the utility model any simple modification, equivalent change and modification made to the above embodiment, still
It is within the scope of the technical solutions of the present invention.
Claims (5)
1. a kind of combination assembled bridge framed bent pier system of steel-concrete, comprising: pile foundation (1), pile (2), cushion cap (3),
Binder (4), outer ring steel plate (5), reserved steel bar cage (6), concrete-filled steel tubular hollow twin shaft pier (7), outer steel pipe (8), interior steel pipe
(9), annular steel plate (10), plain concrete (11), steel lid beam (12), deformed bar (13), I-steel straining beam (14), steel
Plate block (15), steel plate pinner (16), high-strength bolt button (17), support (21), girder (22), it is characterised in that: pile foundation (1)
On the basis of pile (2) in two kinds of situation: one is having cushion cap (3) without ground binder (4), one is have ground binder (4) nothing to hold
Platform (3)；Pile foundation (1), pile (2), cushion cap (3), binder (4) be all made of integral cast-in-situ form carry out cast in situs；In stake
Column (2) or cushion cap (3) top are respectively provided with the reserved of connection pile foundation (1) top and concrete-filled steel tubular hollow twin shaft pier (7) pier bottom
Steel reinforcement cage (6)；The concentric cloth of the inside and outside bilayer or multilayer of reserved main reinforcement (18) point that reserved steel bar cage (6) is symmetrically discharged by donut cross
It sets, is bound with ring-shaped stirrup (19) are fixed；The diameter of reserved steel bar cage (6) is within the diameter of interior steel pipe (9)；
It is embedded in the distributing bar of pile (2) or cushion cap (3) top surface reserved steel bar cage (6) lower semisection right-angled intersection below
(20) multilayer is fixed in the main reinforcement in pile (2) or cushion cap (3) above and below dividing, and reserves main reinforcement (18), ring-shaped stirrup (19) and structure
Each intersection point difference binding and fixing of reinforcing bar (20) are made, the reserved main reinforcement (18) being overlapped with pile (2) axis is bound in distributing bar
(20) cross point of intersection；
Upper semisection of the reserved steel bar cage (6) more than pile (2) or cushion cap (3) top surface is stretched outside interior steel pipe (9) bottom, interior steel pipe
(9) plain concrete (11) of bottom cast in situs certain altitude, keeps hollow thereon；
Two pier studs of concrete-filled steel tubular hollow twin shaft pier (7) are integral prefabricated or segmented precast splice type pier stud, by outer
Steel pipe (8), interior steel pipe (9) and interlayer plain concrete (11) composition；Outer steel pipe (8) and interior steel pipe (9) are circular cross-sections, interior steel
Pipe (9) is included in outer steel pipe (8), and the vertical axis of the two is overlapped, and plain concrete is perfused between outer steel pipe (8) and interior steel pipe (9)
(11)；
Using welding and high-strength bolt button (17) by concrete-filled steel tubular hollow twin shaft pier (7) pier bottom outer steel pipe (8) bottom end and pile
(2) or the pre-buried outer ring steel plate (5) in cushion cap (3) top connects；
There are two types of preformed patterns for two pier studs of concrete-filled steel tubular hollow twin shaft pier (7), first is that squat pier pier stud is whole using no segment
Body is prefabricated, second is that high pier pier stud is divided into lower segment (7-1), middle segment (7-2) and upper segment (7-3), wherein middle segment (7-2)
The visual high situation of pier is further divided into minor segment；Each segment is middle segment (7-2), upper segment (7-3) and each in addition to lower segment (7-1)
The bottom end of minor segment is prefabricated in inverted "convex" shape, and the outer diameter for protruding part is equal to the diameter of interior steel pipe (9)；It is adopted between each segment
With nested, welding and high-strength bolt button (17) connection；
Steel lid beam (12) is kept off by the steel tank (12-1) of stainless steel, WELDING STUDS (12-2), top plate (12-3), anchorage (12-4), steel plate
Block (15) and steel plate pinner (16) and deformed bar (13) and plain concrete (11) is integral prefabricated forms；Wherein, steel tank
(12-1) is welded by five pieces of stainless steel plates, and top-open, cross section is rectangle, the cloth along longitudinal direction on steel tank (12-1) bottom plate
It sets steel plate WELDING STUDS (12-2), top plate (12-3) is stainless steel plate；Deformed bar (13) is arranged in the interior bottom steel tank (12-1),
Both ends are anchored at steel lid beam (12) beam-ends outer surface by anchorage (12-4) respectively；Single layer is arranged in steel lid beam (12) beam-ends upper surface
Steel plate block (15)；Steel plate pinner (16) are set at girder support position；
Total system are as follows: reserved steel bar cage (6) are set on pile foundation (1) top, i.e. the lower semisection of reserved steel bar cage (6) is pre-
It is embedded in pile (2) or cushion cap (3), upper semisection stretches out pile (2) or cushion cap (3) top surface；It will use integral prefabricated or segmented
Two pier studs of prefabricated concrete-filled steel tubular hollow twin shaft pier (7) are respectively together with pile foundation (1) assembling combination；It will be prefabricated
Good steel lid beam (12) is fixed on concrete-filled steel tubular hollow twin shaft pier (7) pier top；I-steel straining beam (14) are passed through into welding
Mode is fixed between concrete-filled steel tubular hollow twin shaft pier (7).
2. the combination assembled bridge framed bent pier system of steel-concrete according to claim 1, it is characterised in that: pile (2)
Or pre-buried outer ring steel plate (5) at cushion cap (3) top pier stud position, internal diameter are equal to the outer diameter of pier stud outer steel pipe (8)；Pile
(2) or at cushion cap (3) top pier stud position reserved steel bar cage (6) are respectively provided with；Reserved steel bar cage (6) is whole symmetrical by donut cross
The inside and outside bilayer or multilayer arranged concentric of reserved main reinforcement (18) point of discharge, and bound with ring-shaped stirrup (19) fixation, and pre-
Stay the diameter of steel reinforcement cage (6) in pier stud within the diameter of steel pipe (9)；The lower semisection right-angled intersection of reserved steel bar cage (6)
Multiple-layer horizontal is fixed in the main reinforcement (23) of pile (2) or cushion cap (3) distributing bar (20) point up and down；The construction steel of right-angled intersection
Muscle (20) and reserved main reinforcement (18) are perpendicular, and bind the point of intersection in reserved main reinforcement (18) and ring-shaped stirrup (19)；In pier stud
On heart position, i.e., the reserved main reinforcement (18) being overlapped with pile (2) axis binds the cross point of intersection in distributing bar (20)；It is reserved
The upper semisection of steel reinforcement cage (6) is stretched outside steel pipe in pier stud (9) bottom, in the element of the interior bottom cast in situs certain altitude of interior steel pipe (9)
Concrete (11) makes to be consolidated inside concrete-filled steel tubular hollow twin shaft pier (7) pier bottom with pile foundation (1).
3. the combination assembled bridge framed bent pier system of steel-concrete according to claim 1, it is characterised in that: outer steel pipe
(8), interior steel pipe (9) is the stainless-steel pipe of circular cross-section, and coaxial placement, bottom are welded on annular steel plate (10) jointly
On；The inside and outside diameter of annular steel plate (10) is equal with interior steel pipe (9), the diameter difference of outer steel pipe (8), interior steel pipe (9), outer
Plain concrete (11) are poured between steel pipe (8)；It is bound using annular steel plate (10) welding.
4. the combination assembled bridge framed bent pier system of steel-concrete according to claim 1, it is characterised in that: be fixed on
In the steel lid beam (12) of twin shaft pier pier top, the steel plate lower end reserving hole at the both ends steel tank (12-1) is to be pierced by prestressing with bond reinforcing bar
(13), longitudinally arranged steel plate WELDING STUDS (12-2) on steel tank (12-1) bottom plate；Steel plate block (15) uses stainless steel plate, fixed
In steel lid beam (12) upper surface；Steel plate pinner (16) are set at the support position of steel lid beam (12) upper surface, steel plate pinner (16) is adopted
With stainless steel plate, it is fixed on steel lid beam (12) upper surface.
5. the combination assembled bridge framed bent pier system of steel-concrete according to claim 1, it is characterised in that: be fixed on
I-steel straining beam (14) of the steel lid beam (12) below, between concrete-filled steel tubular hollow twin shaft pier (7) uses pre-set dimension size
I-steel replace the reinforced concrete member on traditional queen post framed bent pier；The interior steel pipe of concrete-filled steel tubular hollow twin shaft pier
(9), outer steel pipe (8), I-steel straining beam (14), the steel tank (12-1) of steel lid beam, steel plate block (15), steel plate pinner (16) and
Pre-buried outer ring steel plate (5) is all made of stainless steel material.
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| CN201920058370.9U CN209619858U (en) | 2019-01-15 | 2019-01-15 | A kind of combination assembled bridge framed bent pier system of steel-concrete |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109457625A (en) * | 2019-01-15 | 2019-03-12 | 兰州理工大学 | The combination assembled bridge framed bent pier system of steel-concrete and construction method |
| CN110820546A (en) * | 2019-11-21 | 2020-02-21 | 深圳大学 | Concrete column high anti-seismic performance assembled connection structure |
| CN110847022A (en) * | 2019-12-19 | 2020-02-28 | 浙江省交通规划设计研究院有限公司 | Multi-support steel pipe concrete single-column pier with concrete cover beam |
| CN111321671A (en) * | 2020-03-16 | 2020-06-23 | 中国十九冶集团有限公司 | Construction method for construction of engineering bridge pile structure |
| CN112095439A (en) * | 2020-09-07 | 2020-12-18 | 中国建筑第八工程局有限公司 | Method for constructing transportation platform between canyon tunnels and structure of transportation platform |
| CN112095454A (en) * | 2020-10-14 | 2020-12-18 | 福州大学 | Prefabricated assembled pier column with main reinforcements connected through steel columns in welded mode and construction method of prefabricated assembled pier column |
| CN113863125A (en) * | 2021-09-29 | 2021-12-31 | 中国建筑一局(集团)有限公司 | Bridge supporting structure on slope for easy-to-slip slope and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457625A (en) * | 2019-01-15 | 2019-03-12 | 兰州理工大学 | The combination assembled bridge framed bent pier system of steel-concrete and construction method |
| CN109457625B (en) * | 2019-01-15 | 2024-01-19 | 兰州理工大学 | Steel-concrete combined assembled bridge row frame pier system and construction method |
| CN110820546A (en) * | 2019-11-21 | 2020-02-21 | 深圳大学 | Concrete column high anti-seismic performance assembled connection structure |
| CN110847022A (en) * | 2019-12-19 | 2020-02-28 | 浙江省交通规划设计研究院有限公司 | Multi-support steel pipe concrete single-column pier with concrete cover beam |
| CN111321671A (en) * | 2020-03-16 | 2020-06-23 | 中国十九冶集团有限公司 | Construction method for construction of engineering bridge pile structure |
| CN112095439A (en) * | 2020-09-07 | 2020-12-18 | 中国建筑第八工程局有限公司 | Method for constructing transportation platform between canyon tunnels and structure of transportation platform |
| CN112095454A (en) * | 2020-10-14 | 2020-12-18 | 福州大学 | Prefabricated assembled pier column with main reinforcements connected through steel columns in welded mode and construction method of prefabricated assembled pier column |
| CN112095454B (en) * | 2020-10-14 | 2024-06-07 | 福州大学 | Prefabricated assembled pier column with main ribs welded through steel columns and construction method thereof |
| CN113863125A (en) * | 2021-09-29 | 2021-12-31 | 中国建筑一局(集团)有限公司 | Bridge supporting structure on slope for easy-to-slip slope and construction method thereof |
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