CN207878251U - Prefabrication and assembly construction UHPC combination beams - Google Patents
Prefabrication and assembly construction UHPC combination beams Download PDFInfo
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- CN207878251U CN207878251U CN201820077137.0U CN201820077137U CN207878251U CN 207878251 U CN207878251 U CN 207878251U CN 201820077137 U CN201820077137 U CN 201820077137U CN 207878251 U CN207878251 U CN 207878251U
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- uhpc
- girders
- gooseneck
- shaped steel
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Abstract
The utility model discloses a kind of prefabrication and assembly construction UHPC combination beams, including：UHPC girders, the upper surface for the girder being prefabricated by UHPC, the UHPC girders are equipped with multiple U-shaped steel muscle；Floorings, lower surface are equipped with groove with UHPC girders junction, and the groove accommodates the U-shaped steel muscle；The floorings upper surface is equipped with the grout hole and gas vent communicated with the groove；The groove is full of UHPC grouting materials；The connection between the UHPC girders and the floorings is realized by UHPC grouting materials.The utility model has many advantages, such as that reduction cast in situs, intensity is high, durability is strong, economic benefit is good, can be widely applied to technical field of bridge engineering.
Description
Technical field
The utility model is related to technical field of bridge engineering.More specifically, the utility model is related to a kind of prefabrication and assembly constructions
UHPC combination beams.
Background technology
Traditional concrete assembled bridge needs a large amount of concrete of cast in situs, is influenced on traffic environment big；Traditional is mixed
Solidifying soil packaged type bridges are in use, effected by environmental factors to will appear cracking, influence performance.
Steel reinforced concrete combined bridge stress performance is good, and dead load is small；Girder steel and floorings are manufactured in factory respectively, scene peace
Spelling can be completed using girder steel as platform when dress, be conducive to the construction of bridge assembling.Steel-concrete combined structure is although can substantially carry
It is horizontal to rise bridge prefabricated construction, but that there are steel girder endurance qualities is poor, material cost is high and anti-fatigue performance is poor etc. is scarce
Point, at the same steel reinforced concrete junction there are concrete cracking, concrete cast-in-situ process is more the problems such as.
Utility model content
The purpose of this utility model is to provide that a kind of reduction cast in situs, intensity is high, durability is strong, economic benefit is good
Prefabrication and assembly construction UHPC combination beams.
In order to realize these purposes and other advantages according to the present utility model, a kind of prefabrication and assembly construction UHPC combinations are provided
Beam, including：UHPC girders, the upper surface for the girder being prefabricated by UHPC, the UHPC girders are equipped with multiple U-shaped steel muscle；
Floorings, lower surface are equipped with groove with UHPC girders junction, and the groove accommodates the U-shaped steel muscle；The bridge floor
Plate upper surface is equipped with the grout hole and gas vent communicated with the groove；The groove is full of UHPC grouting materials.
Preferably, the prefabrication and assembly construction UHPC combination beams, further include multiple goosenecks, and each gooseneck both ends lead to respectively
It crosses a fixing device and is fixed on and be arranged between two neighboring UHPC girders along bridge lateral direction；The fixing device packet
Include the T-type plate that UHPC girders are fixed on by connector；The lateral part of the T-type plate is fixed on the UHPC girders, institute
The vertical portion for stating T-type plate is stretched into inside the gooseneck and is fixedly connected with gooseneck, to connect UHPC girders and gooseneck.
Preferably, the connector includes pre embedded bolt, sleeve, screw rod, nut；The pre embedded bolt and screw rod lead to respectively
It crosses threaded connection to be set in sleeve relatively, and is located at the sleeve both ends；The one end of the pre embedded bolt far from the screw rod
It is set to inside the UHPC girders；The transverse part of the T-type plate is fixed in the one end of the screw rod far from the pre embedded bolt
Point.
Preferably, multiple goosenecks are specially set gradually from top to bottom the first horizontal gooseneck, inclined
Second gooseneck, horizontal third gooseneck, and three is connected to each other in class Z-shaped.
Preferably, the UHPC girders are U-shaped, the interior steel construction for laterally setting up class Z-shaped；It is adjacent for any two
UHPC girders, between the second gooseneck and the wherein class Z-shaped steel construction of any one UHPC girder sloping portion
It is arranged in broken line.
Preferably, the U-shaped steel muscle is vertically installed in the upper surface of the UHPC girders and the bending end of the U-shaped steel muscle
Upper surface far from the UHPC girders.
Preferably, when the U-shaped steel muscle is parallel to bridge lateral, multiple U-shaped steel muscle are longitudinal described along bridge
It is uniformly distributed in groove；When the U-shaped steel muscle is perpendicular to bridge lateral, it is a pair of it is described it is U-shaped be relatively arranged on bridge lateral and
The multipair U-shaped steel muscle is uniformly distributed along bridge longitudinal direction in the groove.
The utility model includes at least following advantageous effect：
Ultra-high performance concrete (UHPC) is the ultra-high-strength cement-based composites of a kind of high intensity, high tenacity, low porosity, is gathered around
There are the advantages such as adhesive strength is high, shrinkage is small, density is strong, durability and chemicals resistance are good.
Girder carries out prefabricated and replaces cast-in-place diaphragm plate using gooseneck with floorings in factory, reduces scene and pours
It builds, avoids and traffic environment is produced bigger effect, shorten the construction time；Compared to traditional concrete assembled bridge, by
Power superior performance, reduction dead weight and durability are more preferable；Compared to steel reinforced concrete combined bridge, the durability and girder of bridge are increased substantially
Without carrying out later maintenance, quality is more excellent in Life cycle, with good economic efficiency；The adhesive strength height of UHPC also makes
The connection obtained between girder and floorings, between floorings and floorings is more firm.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the UHPC girders and floorings connection signal when U-shaped steel muscle described in the utility model is parallel to bridge lateral
Figure；
Fig. 2 is the sectional view along bridge longitudinal direction of corresponding diagram 1；
Fig. 3 be U-shaped steel muscle described in the utility model perpendicular to bridge lateral when UHPC girders and floorings connection signal
Figure；
Fig. 4 is the sectional view along bridge longitudinal direction of corresponding diagram 3；
Fig. 5 is gooseneck scheme of installation described in the utility model；
Fig. 6 is fixing device scheme of installation described in the utility model；
Fig. 7 is Section A-A sectional view in Fig. 6.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and is not the device or member of instruction or hint meaning
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
As shown in figs. 1-7, the utility model provides a kind of prefabrication and assembly construction UHPC combination beams, including：UHPC girders 1 are
The upper surface of the girder being prefabricated by UHPC, the UHPC girders 1 is equipped with multiple U-shaped steel muscle 2；Floorings 3, lower surface and institute
It states 1 junction of UHPC girders and is equipped with groove, the groove accommodates the U-shaped steel muscle 2；3 upper surface of the floorings is equipped with and institute
State the grout hole 4 and gas vent 5 that groove communicates；The groove is full of UHPC grouting materials.It is set on 3 periphery faying face of the floorings
There is wet tape splicing reinforcing bar, by filling the connection between UHPC realization floorings at wet tape splicing reinforcing bar；The UHPC girders 1 are set up in
On bridge pier.
The prefabrication and assembly construction UHPC combination beams further include：Multiple goosenecks, each gooseneck both ends pass through one respectively
Fixing device, which is fixed on, to be arranged along bridge lateral direction between two neighboring UHPC girders 1；The fixing device includes logical
Cross the T-type plate 7 that connector is fixed on UHPC girders 1；The lateral part of the T-type plate 7 is fixed on the UHPC girders 1, institute
The vertical portion for stating T-type plate 7 is stretched into inside the gooseneck and is fixedly connected with gooseneck, horizontal with steel to connect UHPC girders 1
Beam.The gooseneck installation is preceding coated with anticorrosive paint and easy for installation, keeps the globality between girder more preferable, and enhancing bridge is horizontal
To rigidity.
The connector includes pre embedded bolt 8, sleeve 9, screw rod 10, nut 11；The pre embedded bolt 8 and screw rod 10 are distinguished
It is connected through a screw thread and is set in sleeve 9 relatively, and be located at 9 both ends of the sleeve；The pre embedded bolt 8 is far from the screw rod 10
One end be set to inside the UHPC girders 1；The T-type is fixed in the one end of the screw rod 10 far from the pre embedded bolt 8
The lateral part of plate 7.
The first horizontal gooseneck 12, inclined second steel that multiple goosenecks are specially set gradually from top to bottom
Crossbeam 13, horizontal third gooseneck 14, and three is connected to each other in class Z-shaped.
The UHPC girders 1 are U-shaped, the interior steel construction for laterally setting up class Z-shaped；For the adjacent UHPC of any two
Girder 1, between the sloping portion of the second gooseneck 13 and the class Z-shaped steel construction of wherein any one UHPC girder 1 be in
Broken line is arranged.All goosenecks form truss-like structure, improve whole stress performance.When the UHPC girders 1 are I types,
The steel construction of class Z-shaped is not set up inside it, the second adjacent gooseneck 13 is arranged in broken line.
The U-shaped steel muscle 2 is vertically installed in the upper surface of the UHPC girders 1 and the bending end of the U-shaped steel muscle 2 is separate
The upper surface of the UHPC girders 1.The U-shaped steel muscle 2 can increase the connection between floorings 3 and the UHPC girders 1, curved
Folding upper surface of the end far from the UHPC girders 1 can improve stress performance.
When the U-shaped steel muscle 2 is parallel to bridge lateral, multiple U-shaped steel muscle 2 are longitudinal in the groove along bridge
It is uniformly distributed；It is a pair of described U-shaped to be relatively arranged on bridge lateral and multipair institute when the U-shaped steel muscle 2 is perpendicular to bridge lateral
U-shaped steel muscle 2 is stated to be uniformly distributed in the groove along bridge longitudinal direction.
A kind of rapid constructing method of prefabrication and assembly construction UHPC combination beams, including：S1：Prefabricated UHPC girders 1 and described
Floorings 3 are simultaneously transported to assembled scene；S2：The UHPC girders 1 are lifted, the gooseneck is installed；S3：The UHPC girders 1
The edge of upper surface is around stickup rubber seal strip 6；S4：The floorings 3 are installed on the UHPC girders 1, multiple bridge floors
It is arranged in parallel between plate 3 and is fixedly connected by wet tape splicing reinforcing bar；S5：It is in the milk using grouting material in the grout hole 4.It is prefabricated
The UHPC girders 1, include the arrangement of 1 top U-shaped steel muscle 2 of the UHPC girders, and the arrangement of the connector is internal, external
The joint face of prestressed arrangement and the UHPC girders 1 is roughened etc.；The prefabricated floorings 3, including it is described recessed
The wet tape splicing reinforcing bar of junction and the joint face of the floorings 3 between slot, the grout hole 4, the gas vent 5, floorings 3
It is roughened；The UHPC girders 1 are installed after the prestressing force of UHPC girders 1 described in assembled live tensioning；Institute
It states floorings 3 and compresses the rubber seal strip 6, ensure the leakproofness between the UHPC girders 1 and floorings when grouting；Institute
It states UHPC girders 1 and is used as platform for lining, the floorings 3 are installed successively.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. a kind of prefabrication and assembly construction UHPC combination beams, which is characterized in that including：
UHPC girders, the upper surface for the girder being prefabricated by UHPC, the UHPC girders are equipped with multiple U-shaped steel muscle；
Floorings, lower surface are equipped with groove with UHPC girders junction, and the groove accommodates the U-shaped steel muscle；It is described
Floorings upper surface is equipped with the grout hole and gas vent communicated with the groove；
The groove is full of UHPC grouting materials.
2. prefabrication and assembly construction UHPC combination beams as described in claim 1, which is characterized in that further include：
Multiple goosenecks, each gooseneck both ends are fixed on by a fixing device respectively to exist along the setting of bridge lateral direction
Between two neighboring UHPC girders；
The fixing device includes that the T-type plate of UHPC girders is fixed on by connector；The lateral part of the T-type plate is fixed on
On the UHPC girders, the vertical portion of the T-type plate is stretched into inside the gooseneck and is fixedly connected with gooseneck, with connection
UHPC girders and gooseneck.
3. prefabrication and assembly construction UHPC combination beams as claimed in claim 2, which is characterized in that the connector include pre embedded bolt,
Sleeve, screw rod, nut；
The pre embedded bolt and screw rod are connected through a screw thread respectively to be set in sleeve relatively, and is located at the sleeve both ends；
The one end of the pre embedded bolt far from the screw rod is set to inside the UHPC girders；
The lateral part of the T-type plate is fixed in the one end of the screw rod far from the pre embedded bolt.
4. prefabrication and assembly construction UHPC combination beams as claimed in claim 2, which is characterized in that multiple goosenecks are specially by upper
The first horizontal gooseneck, inclined second gooseneck, the horizontal third gooseneck set gradually down, and three connects each other
It is in class Z-shaped to be connected into.
5. prefabrication and assembly construction UHPC combination beams as claimed in claim 4, which is characterized in that the UHPC girders are U-shaped, interior horizontal
To the steel construction for setting up class Z-shaped；
For the adjacent UHPC girders of any two, between the second gooseneck and wherein any one UHPC girder class Z
The sloping portion of font steel construction is arranged in broken line.
6. prefabrication and assembly construction UHPC combination beams as described in claim 1, which is characterized in that the U-shaped steel muscle is vertically installed in institute
The bending end of the upper surface of UHPC girders and the U-shaped steel muscle is stated far from the upper surface of the UHPC girders.
7. prefabrication and assembly construction UHPC combination beams as claimed in claim 6, which is characterized in that when the U-shaped steel muscle is parallel to bridge
When lateral, multiple U-shaped steel muscle are uniformly distributed along bridge longitudinal direction in the groove；When the U-shaped steel muscle is perpendicular to bridge
When lateral, it is a pair of it is described it is U-shaped be relatively arranged on bridge lateral and the multipair U-shaped steel muscle along bridge it is longitudinal in the groove
Even distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077137.0U CN207878251U (en) | 2018-01-17 | 2018-01-17 | Prefabrication and assembly construction UHPC combination beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077137.0U CN207878251U (en) | 2018-01-17 | 2018-01-17 | Prefabrication and assembly construction UHPC combination beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207878251U true CN207878251U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820077137.0U Active CN207878251U (en) | 2018-01-17 | 2018-01-17 | Prefabrication and assembly construction UHPC combination beams |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385522A (en) * | 2018-01-17 | 2018-08-10 | 中交第二航务工程局有限公司 | Prefabrication and assembly construction UHPC combination beams and rapid constructing method |
| CN111395145A (en) * | 2020-03-24 | 2020-07-10 | 山东省交通规划设计院有限公司 | Novel prefabricated T-beam structure convenient for later-stage widening and transformation and widening method thereof |
| CN111455846A (en) * | 2020-03-13 | 2020-07-28 | 山东大学 | Prefabricated assembled transverse prestress bridge deck and bridge |
-
2018
- 2018-01-17 CN CN201820077137.0U patent/CN207878251U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385522A (en) * | 2018-01-17 | 2018-08-10 | 中交第二航务工程局有限公司 | Prefabrication and assembly construction UHPC combination beams and rapid constructing method |
| CN111455846A (en) * | 2020-03-13 | 2020-07-28 | 山东大学 | Prefabricated assembled transverse prestress bridge deck and bridge |
| CN111395145A (en) * | 2020-03-24 | 2020-07-10 | 山东省交通规划设计院有限公司 | Novel prefabricated T-beam structure convenient for later-stage widening and transformation and widening method thereof |
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