CN115125835B - Prefabricated bridge deck structure of steel plate composite beam - Google Patents
Prefabricated bridge deck structure of steel plate composite beam Download PDFInfo
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- CN115125835B CN115125835B CN202210715846.8A CN202210715846A CN115125835B CN 115125835 B CN115125835 B CN 115125835B CN 202210715846 A CN202210715846 A CN 202210715846A CN 115125835 B CN115125835 B CN 115125835B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 294
- 239000010959 steel Substances 0.000 title claims abstract description 294
- 239000002131 composite material Substances 0.000 title claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 66
- 238000010008 shearing Methods 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a prefabricated bridge deck plate structure of a steel plate composite beam, which comprises a bridge deck plate body, a substrate flat steel plate and a plurality of shear members, wherein the substrate flat steel plate is tightly attached to the bottom wall of the bridge deck plate body, the substrate flat steel plate and the plurality of shear members are integrally welded and connected through the shear steel plate, the plurality of shear members and the shear steel plate are pre-buried and arranged in the bridge deck plate body, the section of the shear steel plate is in a trapezoid shape with a lower opening, a plurality of pouring holes are formed in the top plate surface of the shear steel plate, the plurality of shear members are bound and arranged on a reinforcing steel bar jig frame in the bridge deck plate body, a plurality of steel frame beams are welded below the substrate flat steel plate, and the steel plate composite beam is prefabricated through the bridge deck plate body, the substrate flat steel plate and the plurality of steel frame beams, so that the position of a pressed zone of the steel plate composite beam moves upwards, the shear steel plate can share the passing pressure of the bridge deck plate body, the bearing capacity of the steel plate composite beam is improved, and the stable connection quality between the bridge deck plate body and the substrate flat steel plate is ensured.
Description
Technical Field
The invention relates to the technical field of prefabricated bridge deck plate engineering, in particular to a prefabricated bridge deck plate structure of a steel plate composite beam.
Background
The steel plate composite beam is formed by integrally casting and hardening a steel frame beam and a prefabricated bridge deck through the shear-resistant piece, the cast and hardened whole body is used as a transverse bearing member stressed together, the advantages of steel tensile and concrete compression resistance are fully exerted, and the steel plate composite beam has the advantages of high bearing capacity, high rigidity, good earthquake resistance and dynamic performance, small cross section size of the member, convenience in construction and the like.
In the prior art, as shown in fig. 10, the deck plate body 100 and the substrate flat steel plate 200 tightly attached to the bottom wall are integrally connected in a tensile manner through a shear member 500, the bottom end of the shear member 500 is vertically welded with the substrate flat steel plate 200, but in the hardening and forming process of the precast bridge deck plate body 100, the concrete material poured in a vibrating manner impacts the shear member 500, so that the shear member 500 is easily deformed or the bottom end is loosened and offset, thereby causing the problems of unreliable connection quality between the bridge deck plate body 100 and the substrate flat steel plate 200 and weakening the tensile and compressive properties of the steel plate composite beam.
Disclosure of Invention
The invention aims to provide a prefabricated bridge deck structure of a steel plate composite beam, which is used for solving the problem of unreliable connection quality between a bridge deck body and a substrate flat steel plate.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a prefabricated bridge deck plate structure of steel sheet composite beam, includes bridge deck plate body, substrate flat steel sheet and a plurality of shear force spare, hug closely on the diapire of bridge deck plate body and be provided with substrate flat steel sheet, substrate flat steel sheet with through integrative welded connection of shear force steel sheet between a plurality of shear force spare, a plurality of shear force spare with the pre-buried setting of shear force steel sheet is in bridge deck plate body, the cross-section of shear force steel sheet is the trapezoidal form of lower open-ended, just a plurality of pouring holes have been seted up on the top face of shear force steel sheet, a plurality of shear force spare ligature settings are on the reinforcing bar bed-jig in bridge deck plate body, substrate flat steel sheet below welding has a plurality of steel frame girders.
As a further scheme of the invention: the steel bar jig comprises a plurality of hoop steel bar rings and a plurality of strip steel bars, wherein the strip steel bars are respectively connected with the upper and lower ribs of the hoop steel bar rings through steel wire horizontal binding, and the closed ends of the two sides of the hoop steel bar rings extend outwards from the bridge deck body.
As a further scheme of the invention: the shearing pieces are respectively connected with the upper ribs and the lower ribs of the hoop reinforcement rings through steel wires in a vertically binding mode.
The shearing force pieces are shearing force steel bars, and the bottom ends of the shearing force steel bars are welded with the top plate surface of the shearing force steel plate.
As a further scheme of the invention: and a plurality of support plates are welded and fixed on the two lug arms of the lower opening of the shear steel plate and are used for reinforcing and connecting the two lug arms of the lower opening of the shear steel plate.
The utility model provides a prefabricated bridge deck plate structure of steel sheet composite beam, includes bridge deck plate body, substrate flat steel sheet and a plurality of shear force spare, hug closely on the diapire of bridge deck plate body and be provided with the substrate flat steel sheet, the substrate flat steel sheet with be provided with the shear force steel sheet between a plurality of shear force spare, and the shear force steel sheet can dismantle with substrate flat steel sheet, a plurality of shear force between the piece respectively, a plurality of shear force spare with the pre-buried setting of shear force steel sheet is in bridge deck plate body, the cross-section of shear force steel sheet is the trapezoidal form of lower extreme, just a plurality of pouring holes have been seted up on the top face of shear force steel sheet, a plurality of shear force spare ligature settings are on the reinforcing bar bed-jig in bridge deck plate body, substrate flat steel sheet below welding has a plurality of steel frame girders.
As a further scheme of the invention: the steel bar jig comprises a plurality of hoop steel bar rings and a plurality of strip steel bars, wherein the strip steel bars are respectively connected with the upper and lower ribs of the hoop steel bar rings through steel wire horizontal binding, and the closed ends of the two sides of the hoop steel bar rings extend outwards from the bridge deck body.
As a further scheme of the invention: the shearing pieces are respectively connected with the upper ribs and the lower ribs of the hoop reinforcement rings through steel wires in a vertically binding mode.
As a further scheme of the invention: the shearing force pieces are shearing force nails, the shearing force nails penetrate through the shearing force steel plates and extend downwards, and the bottom ends of the downwards extending shearing force nails are integrally locked and connected with the shearing force steel plates through threaded blocks in threaded connection.
As a further scheme of the invention: the shear steel plate is characterized in that a plurality of support plates are carried on two lug arms of the lower opening of the shear steel plate, the support plates are used for reinforcing the two lug arms of the lower opening of the shear steel plate, the support plates and the substrate flat steel plate are integrally assembled and connected through shear bolts, and the tail ends of the shear bolts are locked and provided with locknuts.
The invention has the beneficial effects that:
(1) The bridge deck body, the substrate flat steel plates and the steel frame beams are prefabricated to form the steel plate composite beam, and the steel plate composite beam is embedded and installed through the shear steel plates, so that the position of a pressed area of the steel plate composite beam moves upwards, the shear steel plates can share the passing pressure of the bridge deck body, and the bearing capacity of the steel plate composite beam is improved;
(2) When the substrate flat steel plate and the plurality of shear members are integrally welded and connected through the shear steel plates, the embedded length of the plurality of shear members is shortened due to the use of the shear steel plates, and the welding area between the shear steel plates and the substrate flat steel plate is increased, so that the tensile shear strength of the steel plate composite beam is improved, and the stable connecting quality between the bridge deck body and the substrate flat steel plate is ensured;
(3) The shearing steel plates are arranged between the substrate flat steel plate and the shearing members, and when the shearing steel plates are detachably connected with the substrate flat steel plate and the shearing members respectively, the assembly and the installation are convenient, the efficiency are high, the construction period is shortened, electric welding equipment is not required in the connection process, the power consumption risk is reduced, and the influence of unstable welding caused by cold welding is reduced;
(4) In addition, through carrying and setting up a plurality of extension boards on the lower opening ear arm of shear force steel sheet, a plurality of extension boards are used for strengthening connection shear force steel sheet's lower opening both ears arm, and a plurality of extension boards are filled to between shear force steel sheet and the substrate flat steel sheet simultaneously, promote the pouring concrete intensity between shear force steel sheet and the substrate flat steel sheet.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a prefabricated deck structure of a steel composite girder of the present invention;
FIG. 2 is a side view of a prefabricated deck structure of a steel composite girder of the present invention;
FIG. 3 is a top view of a steel bar jig of a prefabricated deck structure of a steel plate composite girder of the present invention;
FIG. 4 is a schematic cross-sectional view of a prefabricated deck structure of a steel plate composite girder of example 1;
FIG. 5 is a schematic cross-sectional view of a prefabricated deck structure of a steel plate composite girder of example 2;
FIG. 6 is a bottom view of the shear steel plate and the support plate of example 2 in a welded and fixed manner;
FIG. 7 is a schematic cross-sectional view of a prefabricated deck structure of a steel plate composite girder of example 3;
FIG. 8 is a schematic cross-sectional view of a prefabricated deck structure of a steel composite girder of example 4;
FIG. 9 is a bottom view of the shear steel plate and the stay bolt in example 4;
FIG. 10 is a schematic cross-sectional view of a prefabricated deck slab construction of a prior art steel composite beam.
In the figure: 100. a bridge deck body; 200. a substrate flat steel plate; 300. hoop reinforcement ring; 400. a strip steel bar; 500. a shear member; 510. a screw thread block; 600. a shear steel plate; 610. pouring holes; 700. a support plate; 800. shear bolts; 900. and a steel frame beam.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, the invention discloses a prefabricated bridge deck structure of a steel plate composite beam, which comprises a bridge deck body 100, a substrate flat steel plate 200 and a plurality of shear members 500, wherein the substrate flat steel plate 200 is closely arranged on the bottom wall of the bridge deck body 100, the substrate flat steel plate 200 and the plurality of shear members 500 are integrally welded and connected through the shear steel plate 600, the plurality of shear members 500 and the shear steel plate 600 are embedded and arranged in the bridge deck body 100, a plurality of steel frame beams 900 are welded below the substrate flat steel plate 200, the bridge deck body 100, the substrate flat steel plate 200 and the plurality of steel frame beams 900 are prefabricated to form the steel plate composite beam, and the position of a compression zone of the steel plate composite beam is moved upwards through embedding and mounting of the shear steel plate 600, so that the passing pressure of the bridge deck body 100 can be shared by the shear steel plate 600, and the bearing capacity of the steel plate composite beam is improved; in addition, the use of the shear steel plate 600 shortens the burying length of a plurality of shear members 500, and the shear steel plate 600 increases the welding area between the shear steel plate 600 and the substrate flat steel plate 200, so that the tensile shear strength of the steel plate composite beam is improved, and the stable quality of connection between the bridge deck body 100 and the substrate flat steel plate 200 is ensured.
The cross section of the shear steel plate 600 is in a trapezoid shape with a lower opening, a plurality of pouring holes 610 are formed in the top plate surface of the shear steel plate 600, concrete materials are convenient to vibrate rapidly and enter the inner cavity of the shear steel plate 600 through the plurality of pouring holes 610, and the hardened pouring concrete presses the lower opening lug arms of the shear steel plate 600 tightly against the substrate flat steel plate 200, so that the shearing tensile strength of the steel plate composite beam is enhanced, and welding loosening of the shear steel plate 600 and the substrate flat steel plate 200 is avoided.
The steel bar jig comprises a plurality of hoop steel bar rings 300 and a plurality of strip steel bars 400, wherein the plurality of strip steel bars 400 are respectively connected with the upper ribs and the lower ribs of the plurality of hoop steel bar rings 300 through steel wire horizontal binding, so that the steel bar jig is stably and firmly bound through the plurality of hoop steel bar rings 300 and the plurality of strip steel bars 400, the pouring strength of a steel plate composite beam is improved in the bridge deck body 100, both closed ends of the plurality of hoop steel bar rings 300 extend out of the bridge deck body 100, after the prefabricated bridge deck body 100 is completed by the framework, the plurality of hoop steel bar rings 300 extending out are used for casting a guard rail, the connection strength between the guard rail and the prefabricated bridge deck body 100 is improved, the plurality of shear members 500 are respectively connected with the upper ribs and the lower ribs of the plurality of hoop steel bar rings 300 through steel wire horizontal binding, the plurality of shear members 500 are stably and firmly bound, when the poured concrete material is impacted on the shear members 500, the shear members 500 are prevented from being loosened, the shear members 500 are all shear, the shear force is welded, the bottom end surfaces of the steel plates 600 are connected, and the construction of the steel plates 600 and the steel plates 600 can be prevented from being welded continuously.
Example 2
Referring to fig. 5 and 6, the difference from embodiment 1 is that a plurality of support plates 700 are welded and fixed on two lower open-end arms of the shear steel plate 600, the plurality of support plates 700 are used for reinforcing and connecting the two lower open-end arms of the shear steel plate 600, and simultaneously the plurality of support plates 700 are filled between the shear steel plate 600 and the substrate flat steel plate 200, so as to improve the pouring concrete strength between the shear steel plate 600 and the substrate flat steel plate 200.
Example 3
Referring to fig. 1-3 and fig. 7, a prefabricated bridge deck structure of a steel plate composite beam includes a bridge deck body 100, a substrate flat steel plate 200 and a plurality of shear members 500, the substrate flat steel plate 200 is tightly attached to a bottom wall of the bridge deck body 100, a shear steel plate 600 is disposed between the substrate flat steel plate 200 and the plurality of shear members 500, the shear steel plate 600 is detachably connected with the substrate flat steel plate 200 and the plurality of shear members 500, the plurality of shear members 500 and the shear steel plate 600 are pre-buried in the bridge deck body 100, a lower opening ear arm of the shear steel plate 600 can be connected with the substrate flat steel plate 200 through a shear bolt 800, the plurality of shear members 500 are shear nails, the shear nails penetrate through the shear steel plate 600 and extend downwards, the lower extending ends of the shear nails are integrally locked with the shear steel plate 600 through threaded blocks 510 connected with threads, the shear steel plate 600 are detachably connected with the substrate flat steel plate 200 and the plurality of shear steel plates 500 respectively, the assembly and installation are convenient, the construction cycle is shortened, no need to use electric welding equipment in the connection process, and the electric risk is reduced, and the welding is not influenced due to the fact that the electric risk is not influenced.
In the technical scheme, the bridge deck body 100, the substrate flat steel plate 200 and the plurality of steel frame beams 900 are prefabricated to form the steel plate composite beam, and the steel plate composite beam is embedded and installed through the shear steel plate 600, so that the position of a compression zone of the steel plate composite beam moves upwards, the shear steel plate 600 can share the passing pressure of the bridge deck body 100, and the bearing capacity of the steel plate composite beam is improved; in addition, the use of the shear steel plate 600 shortens the burying lengths of a plurality of shear members 500, and the shear steel plate 600 is connected with the substrate flat steel plate 200 through the shear bolts 800, so that the sliding between the shear steel plate 600 and the substrate flat steel plate 200 is reduced, the tensile shear strength of the steel plate composite beam is improved, and the stable quality of the connection between the bridge deck body 100 and the substrate flat steel plate 200 is ensured.
In the technical scheme, the plurality of shear members 500 are shear nails, the shear nails penetrate through the shear steel plate 600 and extend downwards, the bottom ends of the shear nails extend downwards to serve as reinforcing ribs between the shear steel plate 600 and the substrate flat steel plate 200, the connection strength of the shear positions is enhanced, and the shearing bearing capacity of the steel plate composite beam is greatly improved.
The cross section of the shear steel plate 600 is in a trapezoid shape with a lower opening, a plurality of pouring holes 610 are formed in the top plate surface of the shear steel plate 600, a plurality of shear members 500 are bound and arranged on a steel bar jig in the bridge deck body 100, a plurality of steel frame beams 900 are welded below the substrate flat steel plate 200, concrete materials are convenient to vibrate and enter the inner cavity of the shear steel plate 600 rapidly through the plurality of pouring holes 610, and the hardened pouring concrete presses the lower opening lug arms of the shear steel plate 600 against the substrate flat steel plate 200, so that the shearing tensile strength of the steel plate composite beam is enhanced.
The steel bar jig comprises a plurality of hoop steel bar rings 300 and a plurality of strip steel bars 400, the plurality of strip steel bars 400 are respectively connected with the upper ribs and the lower ribs of the plurality of hoop steel bar rings 300 through steel wire horizontal binding, and both closed ends of the plurality of hoop steel bar rings 300 are outwards extended out of the bridge deck body 100, the plurality of shearing members 500 are respectively connected with the upper ribs and the lower ribs of the plurality of hoop steel bar rings 300 through steel wire vertical binding, so that the steel bar jig is stable and firm in binding through the plurality of hoop steel bar rings 300 and the plurality of strip steel bar 400, the pouring strength of the steel plate composite beam is improved in the bridge deck body 100, both closed ends of the plurality of hoop steel bar rings 300 are outwards extended out of the bridge deck body 100, after the prefabricated bridge deck body 100 is completed by the framework, the plurality of hoop steel bar rings 300 which are outwards extended are used for casting guard rails, thereby improving the connection strength between the guard rails and the prefabricated bridge deck body 100, the plurality of shearing members 500 are respectively connected with the upper ribs and the lower ribs of the plurality of hoop steel bar rings 300 through steel wire vertical binding, the shearing members 500 are positioned, and the shearing force impact members 500 of concrete materials poured in vibration are prevented from loosening when the shearing force impact members 500 are firm.
Example 4
Referring to fig. 8 and 9, unlike the embodiment 4, a plurality of support plates 700 are mounted on two lower opening ear arms of the shear steel plate 600, the plurality of support plates 700 and the substrate flat steel plate 200 are integrally assembled and connected through shear bolts 800, and locknuts are locked and mounted at the tail ends of the shear bolts 800, the plurality of support plates 700 are used for reinforcing and connecting the two lower opening ear arms of the shear steel plate 600, and meanwhile, the plurality of support plates 700 are filled between the shear steel plate 600 and the substrate flat steel plate 200, so that the pouring concrete strength between the shear steel plate 600 and the substrate flat steel plate 200 is improved; in the prefabrication construction process of the bridge deck body 100, waterproof sealant is sprayed in the connecting holes of the shear bolts 800, so that the casting concrete material is prevented from leaking from the positions of the shear bolts 800.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a prefabricated bridge deck structure of steel sheet composite beam, includes bridge deck body (100), substrate flat steel sheet (200) and a plurality of shear force spare (500), its characterized in that, hug closely on the diapire of bridge deck body (100) and be provided with substrate flat steel sheet (200), substrate flat steel sheet (200) with through integrative welded connection of shear force steel sheet (600) between a plurality of shear force spare (500), a plurality of shear force spare (500) with shear force steel sheet (600) pre-buried set up in bridge deck body (100), the cross-section of shear force steel sheet (600) is the trapezoidal form of lower open-ended, just a plurality of pouring holes (610) have been seted up on the top face of shear force steel sheet (600), a plurality of shear force spare (500) ligature sets up on the reinforcing bar bed-jig in bridge deck body (100), substrate flat steel sheet (200) below welding has a plurality of steel frame girders (900).
2. The prefabricated bridge deck structure of a steel plate composite beam according to claim 1, wherein the steel bar jig comprises a plurality of hoop steel bar rings (300) and a plurality of strip steel bars (400), the strip steel bars (400) are respectively connected with upper and lower ribs of the hoop steel bar rings (300) through steel wire horizontal binding, and both closed ends of the hoop steel bar rings (300) extend outwards from the bridge deck body (100).
3. The prefabricated bridge deck structure of a steel plate composite girder according to claim 2, characterized in that the plurality of shear members (500) are respectively vertically bound and connected with the upper and lower ribs of the plurality of hoop reinforcement rings (300) through steel wires.
4. A prefabricated deck structure of a steel plate composite girder according to claim 3, characterized in that the shearing members (500) are shearing steel bars, and the bottom ends of the shearing steel bars are welded to the top plate surface of the shearing steel plate (600).
5. The prefabricated bridge deck structure of the steel plate composite beam according to claim 1, wherein a plurality of support plates (700) are welded and fixed on two lower opening ear arms of the shear steel plate (600), and the plurality of support plates (700) are used for reinforcing and connecting the two lower opening ear arms of the shear steel plate (600).
6. The utility model provides a prefabricated bridge deck structure of steel sheet composite beam, includes bridge deck body (100), substrate flat steel sheet (200) and a plurality of shear force spare (500), its characterized in that, hug closely on the diapire of bridge deck body (100) and be provided with substrate flat steel sheet (200), substrate flat steel sheet (200) with be provided with shear force steel sheet (600) between a plurality of shear force spare (500), and shear force steel sheet (600) can dismantle with substrate flat steel sheet (200), a plurality of shear force spare (500) respectively between being connected, a plurality of shear force spare (500) with shear force steel sheet (600) pre-buried set up in bridge deck body (100), the cross-section of shear force steel sheet (600) is the trapezoidal form of lower opening, just a plurality of pouring holes (610) have been seted up on the top face of shear force steel sheet (600), a plurality of shear force spare (500) ligature set up on the reinforcing bar bed-jig in bridge deck body (100), substrate flat steel sheet (200) below welding has a plurality of steel frame girders (900).
7. The prefabricated bridge deck structure of a steel plate composite beam according to claim 6, wherein the steel bar jig comprises a plurality of hoop steel bar rings (300) and a plurality of strip steel bars (400), the strip steel bars (400) are respectively connected with upper and lower ribs of the hoop steel bar rings (300) through steel wire horizontal binding, and both closed ends of the hoop steel bar rings (300) extend outwards from the bridge deck body (100).
8. The prefabricated deck structure of a steel plate composite girder according to claim 7, wherein the plurality of shear members (500) are respectively vertically bound and connected with upper and lower ribs of the plurality of hoop reinforcement rings (300) through steel wires.
9. The prefabricated bridge deck structure of a steel plate composite beam according to claim 8, wherein the plurality of shear members (500) are shear nails, the shear nails penetrate through the shear steel plate (600) and extend downwards, and the downward extending bottom ends of the shear nails are integrally locked and connected with the shear steel plate (600) through threaded connection screw blocks (510).
10. The prefabricated bridge deck structure of the steel plate composite beam according to claim 6, wherein a plurality of support plates (700) are mounted on two lower opening ear arms of the shear steel plate (600), the plurality of support plates (700) are used for reinforcing and connecting the two lower opening ear arms of the shear steel plate (600), the plurality of support plates (700) and the substrate flat steel plate (200) are integrally assembled and connected through shear bolts (800), and the tail ends of the shear bolts (800) are locked and provided with locknuts.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005273185A (en) * | 2004-03-23 | 2005-10-06 | Jfe Engineering Kk | Composite floor slab with reinforcing member |
| CN214005373U (en) * | 2020-11-12 | 2021-08-20 | 华汇工程设计集团股份有限公司 | Connecting structure of precast concrete bridge deck and steel plate beam |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2763443B2 (en) * | 1992-03-17 | 1998-06-11 | 淳 中川 | Beam and floor structure |
| JP2001172916A (en) * | 1999-12-17 | 2001-06-26 | Sumitomo Heavy Ind Ltd | Corrugated synthetic floor slab |
| JP5307682B2 (en) * | 2009-10-09 | 2013-10-02 | 大成建設株式会社 | Girder member and precast slab joint structure and slab erection method |
| KR101272116B1 (en) * | 2011-01-03 | 2013-06-07 | 권오근 | Connection structure of prestressed concrete composite girder having corrugated steel plate web |
| CN103437498B (en) * | 2013-09-12 | 2016-04-20 | 南京工业大学 | Profiled steel sheet combination beam with continuous hanging rib reinforcing web plate for punching and manufacturing and mounting method |
| CN203603029U (en) * | 2013-11-05 | 2014-05-21 | 上海市政工程设计研究总院（集团）有限公司 | Shearing force connecting piece and composite beam with same |
| CN107476180B (en) * | 2017-08-09 | 2019-09-10 | 重庆交通大学 | Discharge steel-concrete composite continuous bridge of bridge guidance tape tensile stress |
| CN209855047U (en) * | 2019-02-02 | 2019-12-27 | 天津大学 | Full-bolt-connection high-strength steel plate assembled beam-concrete slab combined beam |
| CN110578289A (en) * | 2019-09-25 | 2019-12-17 | 河北工业大学 | Novel steel-concrete composite beam shear force connecting key |
| CN110835883A (en) * | 2019-10-25 | 2020-02-25 | 东南大学 | Pi-shaped corrugated steel plate-concrete combined beam |
| CN212453097U (en) * | 2019-11-07 | 2021-02-02 | 中交第二航务工程局有限公司 | Steel-concrete composite structure shear part connecting device |
| CN216712734U (en) * | 2022-02-07 | 2022-06-10 | 中铁二院工程集团有限责任公司 | Connecting structure of prefabricated bridge deck of steel-concrete composite beam |
-
2022
- 2022-06-22 CN CN202210715846.8A patent/CN115125835B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005273185A (en) * | 2004-03-23 | 2005-10-06 | Jfe Engineering Kk | Composite floor slab with reinforcing member |
| CN214005373U (en) * | 2020-11-12 | 2021-08-20 | 华汇工程设计集团股份有限公司 | Connecting structure of precast concrete bridge deck and steel plate beam |
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| CN115125835A (en) | 2022-09-30 |
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