CN106400667A - Hollow plate beam structure for ultrahigh performance concrete hinge joint connection - Google Patents
Hollow plate beam structure for ultrahigh performance concrete hinge joint connection Download PDFInfo
- Publication number
- CN106400667A CN106400667A CN201611030699.1A CN201611030699A CN106400667A CN 106400667 A CN106400667 A CN 106400667A CN 201611030699 A CN201611030699 A CN 201611030699A CN 106400667 A CN106400667 A CN 106400667A
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- Prior art keywords
- reinforcing bar
- hollow slab
- hollow plate
- plate beam
- performance concrete
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a hollow plate beam structure for ultrahigh performance concrete hinge joint connection. The hollow plate beam structure comprises a hollow plate beam. A plurality of hollow plate beam side faces are connected though steel bars to form a hinge joint structure which is filled with ultrahigh performance concrete; the two sides of the part, close to the upper end, of the hollow plate beam are concave inward; the upper end of the hollow plate beam is provided with horizontally stretching steel bars stretching out from the two inward-concave sides; the two ends, stretching out of the two sides of the hollow plate beam, of each horizontally stretching steel bar are bent to form hooks; the positions, close to the two sides, of the hollow plate beam are provided with perpendicularly stretching steel bars which upward stretch out of the hollow plate beam; a semicircular circle is defined by each perpendicularly stretching steel bar and the corresponding hook; the circles of every two adjacent hollow plate beam side faces are overlapped; longitudinally penetrating steel bars penetrate into the overlapped circles; the horizontally stretching steel bars, the perpendicularly stretching steel bars and the longitudinally penetrating steel bars are fixed as a whole. According to the hollow plate beam structure, the hinge joint hook steel bars and the longitudinally penetrating steel bars are additionally arranged, and a hinge joint is filled with ultrahigh performance concrete, so that the transverse connection performance, the durability and the safety are largely improved.
Description
Technical field
The present invention relates to hollow slab girder technical field is and in particular to a kind of ultra-high performance concrete hinge stitches the cored slab of link
Girder construction.
Background technology
Existing hollow slab girder (as shown in Figure 1) is on the weak side due to hinge seam reinforcing bar, the hinge seam easy fragmentation of inner concrete, great shadow
Ring its durability and safety, gradually started in recent years to be eliminated in the bridge of strategic road.At present will in industry
It is changed to just connect hollow slab girder, but the working procedure just having connect hollow slab girder is complicated, needs to set up template so that hollow slab girder is tied
Structure loses original fast and convenient great advantage.
Therefore, it is badly in need of the hollow slab girder of a kind of high-durability and safety, to overcome the deficiencies in the prior art.
Content of the invention
For the deficiencies in the prior art, the invention provides a kind of hollow slab girder knot of ultra-high performance concrete hinge seam link
Structure, one of purpose of realization is to increase hinge seam hooked bar and reinforcing bar of longitudinally boring a hole, and greatly improves the horizontal stroke of hinged hollow slab girder
To switching performance, improve durability and the safety of hollow slab beam structure.
For realizing object above, the present invention is achieved by the following technical programs：
A kind of hollow slab beam structure of ultra-high performance concrete hinge seam link, including hollow slab girder, some described cored slabs
Beam sides nationality is in hinge crack structure by bar connecting, and in described hinge crack structure filling ultra-high performance concrete.
Wherein, some groups of reinforcing bars are set in described hollow slab girder along its length, and reinforcing bar described in every group includes protruding horizontally up
Reinforcing bar, extend perpendicularly out reinforcing bar, longitudinally through reinforcing bar.
Described hollow slab girder cross section becomes "convex" shaped, and described hollow slab girder is near the both sides indent of upper part, described
Hollow slab girder upper end be provided with stretch out from indent described in both sides described in protrude horizontally up reinforcing bar, the described reinforcing bar two ends that protrude horizontally up are stretched out
The end of described hollow slab girder both sides is bent to form crotch.
Described hollow slab girder near two side positions be provided with described in extend perpendicularly out reinforcing bar, the described reinforcing bar that extends perpendicularly out protrudes upward
Described hollow slab girder, surrounds a semicircular circle with described crotch.
The described circle of every two pieces adjacent described hollow slab girder sides overlaps each other, in some groups of described circles overlapping each other
Be installed with described longitudinally through reinforcing bar, described protrude horizontally up reinforcing bar, described extend perpendicularly out reinforcing bar, described be fixed into longitudinally through reinforcing bar
Integrally.
Preferably, the concrete being filled in described hinge crack structure is ultra-high performance concrete UHPC.
Preferably, the described reinforcing bar that extends perpendicularly out stretches out described hollow slab girder part above to adjacent described hollow slab girder
Direction bending.
Preferably, it is installed with described in 2 longitudinally through reinforcing bar (N3) in some groups of described circles overlapping each other.
Beneficial effects of the present invention：
The present invention increases hinge seam hooked bar and longitudinal perforation reinforcing bar, greatly improves the lateral connection of hinged hollow slab girder
Performance, improves durability and the safety of hollow slab beam structure.
The present invention greatly improves the strong of hinge seam by the use of ultra-high performance concrete (UHPC) as hinge seam fill concrete
Degree, improves the overall durability of structure of hollow slab girder and safety.
Technique effect below with reference to design, concrete structure and generation to the present invention for the accompanying drawing is described further, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, for those of ordinary skill in the art come
Say, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is illustrated that existing hollow slab beam structure schematic diagram.
Fig. 2 is illustrated that one embodiment of the invention hollow slab beam structure cross-sectional structure schematic diagram.
Fig. 3 is illustrated that one embodiment of the invention hollow slab beam structure side structure schematic diagram.
Fig. 4 is illustrated that one embodiment of the invention hollow slab beam structure overlook direction structural representation.
Fig. 5 is illustrated that the hinge crack structure local that in one embodiment of the invention, two adjacent vacant core girder construction sides connect is put
Big schematic diagram.
Fig. 6 is illustrated that the overlook direction schematic diagram of Fig. 5.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly falls into this
The scope of bright protection.
As shown in Figures 1 to 6, a kind of hollow slab beam structure of ultra-high performance concrete hinge seam link, including hollow slab girder,
Some described hollow slab girder sides nationality is in hinge crack structure by bar connecting, and in described hinge crack structure fill concrete N4.
Wherein, some groups of reinforcing bars are set in described hollow slab girder along its length, and reinforcing bar described in every group includes protruding horizontally up
Reinforcing bar N1, extend perpendicularly out reinforcing bar N2, longitudinally through reinforcing bar N3.
Described hollow slab girder cross section becomes "convex" shaped, and described hollow slab girder is near the both sides indent of upper part, described
Hollow slab girder upper end be provided with stretch out from indent described in both sides described in protrude horizontally up reinforcing bar N1, described protrude horizontally up reinforcing bar N1 two ends
The end stretching out described hollow slab girder both sides is bent to form crotch.
Described hollow slab girder near two side positions be provided with described in extend perpendicularly out reinforcing bar N2, described extend perpendicularly out reinforcing bar N2 upwards
Stretch out described hollow slab girder, surround a semicircular circle with described crotch.
The described circle of every two pieces adjacent described hollow slab girder sides overlaps each other, in some groups of described circles overlapping each other
Be installed with described longitudinally through reinforcing bar N3, described protrude horizontally up reinforcing bar N1, described extend perpendicularly out reinforcing bar N2, described longitudinally through reinforcing bar
N3 is integrally fixed.
The principle of the present invention is as follows：Original hollow slab girder hinge seam is suitably amplified, using protruding horizontally up reinforcing bar with crotch
N1, the N1 reinforcing bar closing on two panels plate-girder is mutually interspersed, longitudinally through reinforcing bar in the space that left and right two is formed with hooked bar N1
N3, with vertical go out plane reinforcing bar N2 bend on bridge floor after be combined with each other after formed three-dimensional enclose hinge seam reinforcing bar, then with joint filling
Ultra-high performance concrete (UHPC) combination form brand-new hollow slab girder hinge seam so that hinge sewer has very strong lateral connection
Can, improve anti-fatigue ability, thus improving safety and the durability of bridge structure on the whole.
In certain embodiments, the concrete N4 being filled in described hinge crack structure is ultra-high performance concrete UHPC.
In certain embodiments, the described reinforcing bar N2 that extends perpendicularly out stretches out described hollow slab girder part above to adjacent institute
State the bending of hollow slab girder direction.
In certain embodiments, it is installed with described in 2 longitudinally through reinforcing bar (N3) in some groups of described circles overlapping each other.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics；And these modification or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a kind of hollow slab beam structure of ultra-high performance concrete hinge seam link, including hollow slab girder, some described hollow slab girders
Side nationality is in hinge crack structure by bar connecting, and in described hinge crack structure filling ultra-high performance concrete (N4)；It is characterized in that,
Some groups of reinforcing bars are set in described hollow slab girder along its length, and reinforcing bar described in every group includes protruding horizontally up reinforcing bar (N1), vertical
Stretch out reinforcing bar (N2), longitudinally through reinforcing bar (N3), described hollow slab girder cross section becomes "convex" shaped, and described hollow slab girder is near upper
End part both sides indent, described hollow slab girder upper end be provided with stretch out from indent described in both sides described in protrude horizontally up reinforcing bar
(N1), described protrude horizontally up reinforcing bar (N1) two ends and stretch out the end of described hollow slab girder both sides be bent to form crotch；Described hollow
Plate-girder near two side positions be provided with described in extend perpendicularly out reinforcing bar (N2), described extend perpendicularly out reinforcing bar (N2) protrude upward described hollow
Plate-girder, surrounds a semicircular circle with described crotch；The described circle of every two pieces adjacent described hollow slab girder sides weighs mutually
Folded, be installed with some groups of described circles overlapping each other described longitudinally through reinforcing bar (N3), the described reinforcing bar (N1), described of protruding horizontally up
Extend perpendicularly out reinforcing bar (N2), described be integrally fixed longitudinally through reinforcing bar (N3).
2. the hollow slab beam structure of ultra-high performance concrete hinge seam link as claimed in claim 1 is it is characterised in that be filled in
Concrete (N4) in described hinge crack structure is ultra-high performance concrete UHPC.
3. the hollow slab beam structure of ultra-high performance concrete hinge seam link as claimed in claim 1 is it is characterised in that described hang down
Directly stretch out reinforcing bar (N2) and stretch out described hollow slab girder part above to adjacent described hollow slab girder direction bending.
4. the hollow slab beam structure of ultra-high performance concrete as claimed in claim 1 hinge seam link is it is characterised in that some groups
It is installed with the described circle overlapping each other described in 2 longitudinally through reinforcing bar (N3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030699.1A CN106400667A (en) | 2016-11-16 | 2016-11-16 | Hollow plate beam structure for ultrahigh performance concrete hinge joint connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030699.1A CN106400667A (en) | 2016-11-16 | 2016-11-16 | Hollow plate beam structure for ultrahigh performance concrete hinge joint connection |
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| Publication Number | Publication Date |
|---|---|
| CN106400667A true CN106400667A (en) | 2017-02-15 |
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ID=58081637
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030699.1A Pending CN106400667A (en) | 2016-11-16 | 2016-11-16 | Hollow plate beam structure for ultrahigh performance concrete hinge joint connection |
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| CN (1) | CN106400667A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948248A (en) * | 2017-05-10 | 2017-07-14 | 上海市城市建设设计研究总院（集团）有限公司 | Horizontally-spliced new slab and girder is carried out using UHPC |
| CN107806008A (en) * | 2017-10-10 | 2018-03-16 | 山西省交通科学研究院 | A kind of integration hollow slab bridge girder construction and its construction method based on ultra-high performance concrete connection |
| CN108049311A (en) * | 2018-01-19 | 2018-05-18 | 湖南大学 | Ultra-high performance concrete cored slab hinge crack structure is shunk in enhanced compensation |
| CN108130856A (en) * | 2017-11-28 | 2018-06-08 | 同济大学 | Using the bridge superstructure seam of the individual layer steel bar arrangement of UHPC grouting materials |
| CN108442227A (en) * | 2018-03-28 | 2018-08-24 | 长安大学 | One kind preventing deck crack hollow slab bridge structure and attaching method thereof |
| CN109930484A (en) * | 2019-04-24 | 2019-06-25 | 深圳市市政设计研究院有限公司福建分公司 | A kind of very-high performance deck structrue and its construction method |
| CN110499700A (en) * | 2019-08-30 | 2019-11-26 | 山东高速股份有限公司 | Using the Hollow Slab Beam Bridge structure and construction method of ultra-high performance concrete filler |
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| KR20090049403A (en) * | 2007-11-13 | 2009-05-18 | 한국건설기술연구원 | Composite concrete plate enclosing fiber reinforced plastics deck |
| CN103981798A (en) * | 2014-05-21 | 2014-08-13 | 福州大学 | Novel articulated prefabricated hollow slab girder bridge hinge joint connector and construction method thereof |
| CN104499430A (en) * | 2014-12-18 | 2015-04-08 | 上海市城市建设设计研究总院 | Wet connection section connection structure used between fully prefabricated assembled bridge girders |
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| CN106012806A (en) * | 2016-06-17 | 2016-10-12 | 中建三局集团有限公司 | Hollow slab hinge joint shear connection structure and construction process |
| CN206289517U (en) * | 2016-11-16 | 2017-06-30 | 上海市城市建设设计研究总院（集团）有限公司 | The hollow slab beam structure of ultra-high performance concrete hinge seam link |
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| KR20090049403A (en) * | 2007-11-13 | 2009-05-18 | 한국건설기술연구원 | Composite concrete plate enclosing fiber reinforced plastics deck |
| CN103981798A (en) * | 2014-05-21 | 2014-08-13 | 福州大学 | Novel articulated prefabricated hollow slab girder bridge hinge joint connector and construction method thereof |
| CN104499430A (en) * | 2014-12-18 | 2015-04-08 | 上海市城市建设设计研究总院 | Wet connection section connection structure used between fully prefabricated assembled bridge girders |
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| CN106012806A (en) * | 2016-06-17 | 2016-10-12 | 中建三局集团有限公司 | Hollow slab hinge joint shear connection structure and construction process |
| CN206289517U (en) * | 2016-11-16 | 2017-06-30 | 上海市城市建设设计研究总院（集团）有限公司 | The hollow slab beam structure of ultra-high performance concrete hinge seam link |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948248A (en) * | 2017-05-10 | 2017-07-14 | 上海市城市建设设计研究总院（集团）有限公司 | Horizontally-spliced new slab and girder is carried out using UHPC |
| CN107806008A (en) * | 2017-10-10 | 2018-03-16 | 山西省交通科学研究院 | A kind of integration hollow slab bridge girder construction and its construction method based on ultra-high performance concrete connection |
| CN107806008B (en) * | 2017-10-10 | 2024-04-16 | 山西省交通科技研发有限公司 | Integrated hollow slab bridge structure based on ultra-high performance concrete connection and construction method thereof |
| CN108130856A (en) * | 2017-11-28 | 2018-06-08 | 同济大学 | Using the bridge superstructure seam of the individual layer steel bar arrangement of UHPC grouting materials |
| CN108049311A (en) * | 2018-01-19 | 2018-05-18 | 湖南大学 | Ultra-high performance concrete cored slab hinge crack structure is shunk in enhanced compensation |
| CN108442227A (en) * | 2018-03-28 | 2018-08-24 | 长安大学 | One kind preventing deck crack hollow slab bridge structure and attaching method thereof |
| CN109930484A (en) * | 2019-04-24 | 2019-06-25 | 深圳市市政设计研究院有限公司福建分公司 | A kind of very-high performance deck structrue and its construction method |
| CN110499700A (en) * | 2019-08-30 | 2019-11-26 | 山东高速股份有限公司 | Using the Hollow Slab Beam Bridge structure and construction method of ultra-high performance concrete filler |
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Application publication date: 20170215 |