CN208917672U - A kind of prefabricated-cast-in-place combined reinforced bar concrete pier - Google Patents
A kind of prefabricated-cast-in-place combined reinforced bar concrete pier Download PDFInfo
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- CN208917672U CN208917672U CN201821669673.6U CN201821669673U CN208917672U CN 208917672 U CN208917672 U CN 208917672U CN 201821669673 U CN201821669673 U CN 201821669673U CN 208917672 U CN208917672 U CN 208917672U
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Abstract
A kind of prefabricated-cast-in-place combined reinforced bar concrete pier, including prefabricated reinforced concrete bridge pier piece, framework of steel reinforcement, cast-in-place core concrete, prefabricated reinforced concrete bridge pier piece is the armored concrete thin walled of ultra-high performance concrete preparatory pouring molding of the compression strength greater than 100MPa, multi-disc prefabricated reinforced concrete bridge pier piece overlaps arrangement along the surrounding outer rim circumferential direction of pier section, the lap-joint of prefabricated reinforced concrete bridge pier piece pours overlapping area's concrete and wraps up the adjacent two panels prefabricated reinforced concrete bridge pier piece of pre-buried dowel connection two-by-two after pouring, hollow bridge pier open tubular column is integrally formed in circumferential direction, the inner cavity of cast-in-place core concrete filling bridge pier open tubular column, and become whole with bridge pier hollow cylindrical.The utility model is folded type bridge pier structure, using prefabricated and cast-in-place combination technique, guarantees the globality of armored concrete precast pier, has the advantages of site machinery degree is high, short time limit, good integrity.
Description
Technical field
The utility model relates to a kind of bridge pier structure, especially a kind of prefabricated-cast-in-place combined reinforced bar concrete pier belongs to
Civil engineering structure technical field.
Background technique
Currently, the Bridge Pier Construction in Bridges in Our Country construction mostly uses greatly the construction technology of cast in situs, this method, which has, to be applied
The advantages that work is simple, construction technology is mature, therefore be widely used in the bridge pier construction of small bridge.However the construction method
Long construction period, situ wet operation are more, and the influence to ambient enviroment is big, directly affect the traffic capacity of local road.In addition,
Bridge pier cast-in-place construction causes the template of engineering, bracket consumption huge, greatly improves engineering construction cost, has violated current
The requirement that building industrialization, green construction, low-carbon are built.In order to cope with the defect of cast-in-place core concrete bridge construction, use
Prefabricated assembled bridge has become the development trend of bridge construction.Assembled bridge pier uses the factorial production, on-site consolidation technology,
Mechanized construction level is improved to accelerate construction speed while guaranteeing construction quality, be conducive to environmental protection.It is existing
Bridge pier precast assembly technology generally using live splicing is arrived by bridge pier entirety segmentation prefabricating again, and the self weight of precast pier segment is to upper
It connects and is affected between lower segment.Assembled precast pier segment is connected in addition, stitching using stem grafting, easily leads to bridge pier globality not
Foot, construction cost high problem longer there are the period using wet seam connection assembled precast pier segment.
The utility model provides a kind of prefabricated-cast-in-place combined reinforced bar concrete pier, to overcome the whole of traditional precast pier
The precast pier segment being vertically connected with is changed to the prefabricated reinforced concrete bridge pier piece of circumferential connection, folded by the problem of body deficiency
Close the advantages of arrangement core armored concrete forms entirety, merged prefabricated and cast-in-place two kinds of construction methods.
Summary of the invention
The purpose of the utility model is to provide a kind of reinforced concrete sandwich bridge pier structures, to solve nowadays cast-in-place bridge
The shortcomings that pier structure long construction period, highly energy-consuming and the existing insufficient defect of precast pier structure connection integrity, using pre-
Reinforced concrete bridge pier piece processed provides form cage for bridge pier cast in situs, and overlapping area is poured after reserved and adds cyclization to splicing, and
Folded type structure is formed with cast-in-place core concrete, guarantees the globality of armored concrete precast pier, the structure site machinery
Change degree is high, short time limit, good integrity.
For this purpose, the utility model provides a kind of prefabricated-cast-in-place combined reinforced bar concrete pier, including prefabricated reinforced concrete
Bridge pier piece, framework of steel reinforcement, cast-in-place core concrete, prefabricated reinforced concrete bridge pier piece are the superelevation that compression strength is greater than 100MPa
The armored concrete thin walled of the preparatory pouring molding of performance concrete, the setting of prefabricated reinforced concrete bridge pier plate inner surface are recessed
Convex, sandblasting, the bonding construction for drawing hair or peg, several pre-buried companies are arranged in the connecting portion of prefabricated reinforced concrete bridge pier piece two-by-two
Muscle is connect, multi-disc prefabricated reinforced concrete bridge pier piece overlaps arrangement, contiguous prefabricated reinforcing bar along the surrounding outer rim circumferential direction of pier section
The pre-buried dowel of concrete pier piece staggeredly overlaps, and overlapping is poured by the lap-joint of prefabricated reinforced concrete bridge pier piece two-by-two after pouring
Area's concrete wraps up pre-buried dowel and connects adjacent two panels prefabricated reinforced concrete bridge pier piece, and hollow bridge pier is integrally formed in circumferential direction
Open tubular column, framework of steel reinforcement are arranged in inside bridge pier open tubular column, and the lower end of framework of steel reinforcement and bridge pier open tubular column is fixed on cushion cap,
The inner cavity of cast-in-place core concrete filling bridge pier open tubular column, fully wrapped around framework of steel reinforcement, and become whole with bridge pier hollow cylindrical,
Bent cap and cast-in-place core concrete and bridge pier hollow cylindrical at be integrally attached to.
The prefabricated reinforced concrete bridge pier piece is poured in advance by the ultra-high performance concrete of 100~180MPa of compression strength
Build molding concrete thin-wall sheet material, thickness≤50cm, cross-sectional shape is any.
The bridge pier open tubular column is circumferential along the surrounding outer rim of pier section by multi-disc prefabricated reinforced concrete bridge pier piece
Polygon hollow column, circular hollow column or the special-shaped open tubular column being formed by connecting.
The pre-buried dowel of the contiguous prefabricated reinforced concrete bridge pier piece is inserted using welding, binding, sleeve or pin to be connected
Connect, after pour the intensity of overlapping area's concrete and should be greater than the intensity of cast-in-place core concrete.
The utility model overcomes well known cast-in-situ steel reinforced concrete bridge pier structure, traditional prefabricated reinforced concrete bridge pier knot
Defect present in structure while guaranteeing structural bearing capacity, light, durability, guarantees the entirety of armored concrete precast pier
Property, the Mechanization Level of engineering construction is improved, manpower and material resources are saved, consuming energy, low, environmental pollution is small.Specific beneficial effect is such as
Under:
(1) it compared with traditional cast-in-situ steel reinforced concrete bridge pier structure, using prefabricated reinforced concrete bridge pier piece as template, saves
Steel or wood template, and the area of prefabricated reinforced concrete bridge pier piece is big, block part quantity is few, and assembled speed is fast.
(2) with armored concrete thin walled prefabricated reinforced concrete bridge pier piece, high-strength concrete characteristic is given full play to, is subtracted
Light prefabricated components moiety by weight reduces assembled work difficulty.
(3) bridge pier structure main part is cast-in-place core concrete, ensure that the flexibility of planform size.
(4) prefabricated reinforced concrete bridge pier piece is spliced using the method for circumferential connection, by pouring overlapping area after reserving, added
It is connected between strong prefabricated components, guarantees the globality of armored concrete precast pier.
(5) prefabricated reinforced concrete bridge pier piece plays the role of form cage in the construction process, in use with
Cast-in-place core concrete congruent form is integral, plays vertical carrying and hoop constraint effect, and prefabricated reinforced concrete bridge pier piece
Positioned at section edge, high performance material is more advantageous to bridge pier structure in the carrying stress and deformation for bearing bending load.
Detailed description of the invention:
Fig. 1 is a kind of decomposition diagram of prefabricated-cast-in-place combined reinforced bar concrete pier；
Fig. 2 is a kind of sectional view of prefabricated-cast-in-place combined reinforced bar concrete pier；
Fig. 3 is a kind of bridge pier main body decomposition diagram of prefabricated-cast-in-place combined reinforced bar concrete pier；
Fig. 4 is a kind of bridge pier open tubular column assembly process schematic of prefabricated-cast-in-place combined reinforced bar concrete pier；
Fig. 5 is a kind of bridge pier open tubular column schematic diagram of prefabricated-cast-in-place combined reinforced bar concrete pier；
Fig. 6 is a kind of rectangular pier column cross-sectional view of prefabricated-cast-in-place combined reinforced bar concrete pier；
Fig. 7 is a kind of circular pier column cross-sectional view of prefabricated-cast-in-place combined reinforced bar concrete pier；
Fig. 8 is a kind of special-shaped pier column cross-sectional view of prefabricated-cast-in-place combined reinforced bar concrete pier；
In the accompanying drawings, 1 is prefabricated reinforced concrete bridge pier piece, and 2 be framework of steel reinforcement, and 3 be cast-in-place core concrete, and 4 be to hold
Platform, 5 be bent cap, and 11 be pre-buried dowel, 12 be after pour overlapping area's concrete, 13 be bridge pier open tubular column.
Specific embodiment:
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
As shown in the picture, the utility model provides a kind of prefabricated-cast-in-place combined reinforced bar concrete pier, including pre-manufactured steel
Reinforced concrete bridge pier piece 1, framework of steel reinforcement 2, cast-in-place core concrete 3, prefabricated reinforced concrete bridge pier piece 1 are greater than for compression strength
The armored concrete thin walled of the preparatory pouring molding of the ultra-high performance concrete of 100MPa, prefabricated reinforced concrete bridge pier piece 1
Bumps, sandblasting, the bonding construction for drawing hair or peg is arranged in inner surface, two-by-two the connecting portion of prefabricated reinforced concrete bridge pier piece 1
Several pre-buried dowels 11 are set, and multi-disc prefabricated reinforced concrete bridge pier piece 1 is overlapped along the surrounding outer rim circumferential direction of pier section
The pre-buried dowel 11 of arrangement, contiguous prefabricated reinforced concrete bridge pier piece 1 staggeredly overlaps, two-by-two prefabricated reinforced concrete bridge pier piece
1 lap-joint pours overlapping area's concrete 12 and wraps up pre-buried dowel 11 and connect adjacent two panels prefabricated reinforced concrete bridge pier after pouring
Hollow bridge pier open tubular column 13 is integrally formed in piece 1, circumferential direction, and framework of steel reinforcement 2 is arranged in inside bridge pier open tubular column 13, framework of steel reinforcement 2
It is fixed on cushion cap 4 with the lower end of bridge pier open tubular column 13, cast-in-place core concrete 3 inserts the inner cavity of bridge pier open tubular column 13, complete
Full package framework of steel reinforcement 2, and be formed as whole with bridge pier open tubular column 13, bent cap 5 and cast-in-place core concrete 3 and bridge pier open tubular column
13 formation are integrally attached to.
The prefabricated reinforced concrete bridge pier piece 1 is preparatory by the ultra-high performance concrete of 100~180MPa of compression strength
The concrete thin-wall sheet material of pouring molding, thickness≤50cm, cross-sectional shape are any.
The bridge pier open tubular column 13 is by multi-disc prefabricated reinforced concrete bridge pier piece 1 along the surrounding outer rim ring of pier section
To the polygon hollow column, circular hollow column or special-shaped open tubular column being formed by connecting.
The pre-buried dowel 11 of the contiguous prefabricated reinforced concrete bridge pier piece 1 is inserted using welding, binding, sleeve or pin
Connection, after pour the intensity of overlapping area's concrete 12 and should be greater than the intensity of cast-in-place core concrete 3.
Embodiment one:
A kind of prefabricated-cast-in-place combined reinforced bar concrete pier, including prefabricated reinforced concrete bridge pier piece 1, framework of steel reinforcement 2,
Cast-in-place core concrete 3 when implementation, is first greater than the preparatory pouring molding reinforcing bar of ultra-high performance concrete of 100MPa by compression strength
Concrete thin-wall sheet material formation prefabricated reinforced concrete bridge pier piece 1,1 inner surface of prefabricated reinforced concrete bridge pier piece setting bumps,
Sandblasting, the bonding construction for drawing hair or peg, several pre-buried connections are arranged in the connecting portion of prefabricated reinforced concrete bridge pier piece 1 two-by-two
Muscle 11；By 1 transporting and hoisting of prefabricated reinforced concrete bridge pier piece to scene, by multi-disc prefabricated reinforced concrete bridge pier piece 1 along bridge
The surrounding outer rim circumferential direction in pier section overlaps arrangement, and the pre-buried dowel 11 of contiguous prefabricated reinforced concrete bridge pier piece 1 staggeredly overlaps,
Pre-buried dowel 11 inserts connection using welding, binding, sleeve or pin；The lap-joint of prefabricated reinforced concrete bridge pier piece 1 pours two-by-two
Overlapping area's concrete 12 is poured after building wrap up pre-buried dowel 11 connect adjacent two panels prefabricated reinforced concrete bridge pier piece 1, it is circumferential whole
Body forms hollow bridge pier open tubular column 13, and bridge pier open tubular column 13 is polygon hollow column, circular hollow column or special-shaped open tubular column；Most
Framework of steel reinforcement 2 is arranged in inside bridge pier open tubular column 13 afterwards, cushion cap 4 is fixed in the lower end of framework of steel reinforcement 2 and bridge pier open tubular column 13
On, it can be by staying slotting reinforcing bar, welding, bolt to connect, cast-in-place core concrete 3 inserts the inner cavity of bridge pier open tubular column 13, complete
Full package framework of steel reinforcement 2, and be formed as whole with bridge pier open tubular column 13, bent cap 5 and cast-in-place core concrete 3 and bridge pier open tubular column
13 formation are integrally attached to.
Claims (4)
1. a kind of prefabricated-cast-in-place combined reinforced bar concrete pier, including prefabricated reinforced concrete bridge pier piece (1), framework of steel reinforcement
(2), cast-in-place core concrete (3), it is characterised in that: prefabricated reinforced concrete bridge pier piece (1) is that compression strength is greater than 100MPa
The preparatory pouring molding of ultra-high performance concrete armored concrete thin walled, prefabricated reinforced concrete bridge pier piece (1) interior table
Bumps, sandblasting, the bonding construction for drawing hair or peg is arranged in face, and the connecting portion of prefabricated reinforced concrete bridge pier piece (1) is set two-by-two
Several pre-buried dowels (11) are set, multi-disc prefabricated reinforced concrete bridge pier piece (1) is taken along the surrounding outer rim circumferential direction of pier section
Arrangement is connect, the pre-buried dowel (11) of contiguous prefabricated reinforced concrete bridge pier piece (1) staggeredly overlaps, two-by-two prefabricated reinforced concrete
The lap-joint of bridge pier piece (1) pours overlapping area's concrete (12) and wraps up the adjacent two panels pre-manufactured steel of pre-buried dowel (11) connection after pouring
Hollow bridge pier open tubular column (13) is integrally formed in reinforced concrete bridge pier piece (1), circumferential direction, and it is hollow that framework of steel reinforcement (2) is arranged in bridge pier
Column (13) is internal, and the lower end of framework of steel reinforcement (2) and bridge pier open tubular column (13) is fixed on cushion cap (4), cast-in-place core concrete
(3) inner cavity of bridge pier open tubular column (13), fully wrapped around framework of steel reinforcement (2) are inserted, and is formed as whole with bridge pier open tubular column (13),
Bent cap (5) is integrally attached to what cast-in-place core concrete (3) and bridge pier open tubular column (13) were formed.
2. prefabricated-cast-in-place combined reinforced bar concrete pier of one kind according to claim 1, it is characterised in that described is prefabricated
Reinforced concrete bridge pier piece (1) by 100~180MPa of compression strength the preparatory pouring molding of ultra-high performance concrete concrete
Thin walled, thickness≤50cm, cross-sectional shape are any.
3. prefabricated-cast-in-place combined reinforced bar concrete pier of one kind according to claim 1, it is characterised in that the bridge pier
Open tubular column (13) is formed by connecting by multi-disc prefabricated reinforced concrete bridge pier piece (1) along the surrounding outer rim circumferential direction of pier section more
Side shape open tubular column, circular hollow column or special-shaped open tubular column.
4. prefabricated-cast-in-place combined reinforced bar concrete pier of one kind according to claim 1, it is characterised in that described is adjacent
The pre-buried dowel (11) of prefabricated reinforced concrete bridge pier piece (1) inserts connection using welding, binding, sleeve or pin, after pour overlapping
The intensity of area's concrete (12) should be greater than the intensity of cast-in-place core concrete (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669673.6U CN208917672U (en) | 2018-10-10 | 2018-10-10 | A kind of prefabricated-cast-in-place combined reinforced bar concrete pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669673.6U CN208917672U (en) | 2018-10-10 | 2018-10-10 | A kind of prefabricated-cast-in-place combined reinforced bar concrete pier |
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| CN208917672U true CN208917672U (en) | 2019-05-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202022A (en) * | 2020-03-14 | 2021-08-03 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier with steel-concrete combined vertical splicing seams and construction method |
| CN113202023A (en) * | 2020-03-14 | 2021-08-03 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier with concrete vertical splicing seams and construction method |
-
2018
- 2018-10-10 CN CN201821669673.6U patent/CN208917672U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202022A (en) * | 2020-03-14 | 2021-08-03 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier with steel-concrete combined vertical splicing seams and construction method |
| CN113202023A (en) * | 2020-03-14 | 2021-08-03 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier with concrete vertical splicing seams and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhenjiang Heng An Civil Technology Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000057 Denomination of utility model: Prefabricated-cast-in-place combined reinforced concrete pier Granted publication date: 20190531 License type: Common License Record date: 20190912 Assignee: Hefei Shuang Dao run Highway Engineering Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000058 Denomination of utility model: Prefabricated-cast-in-place combined reinforced concrete pier Granted publication date: 20190531 License type: Common License Record date: 20190912 Assignee: Limited by Share Ltd Beijing nine road detection technology Assignor: Nanjing Forestry University Contract record no.: X2019320000056 Denomination of utility model: Prefabricated-cast-in-place combined reinforced concrete pier Granted publication date: 20190531 License type: Common License Record date: 20190912 |
|
| EE01 | Entry into force of recordation of patent licensing contract |