CN204825615U - Assembled steel truss web concrete composite bridge - Google Patents
Assembled steel truss web concrete composite bridge Download PDFInfo
- Publication number
- CN204825615U CN204825615U CN201520565266.0U CN201520565266U CN204825615U CN 204825615 U CN204825615 U CN 204825615U CN 201520565266 U CN201520565266 U CN 201520565266U CN 204825615 U CN204825615 U CN 204825615U
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- Prior art keywords
- steel
- abdomen
- purlin
- reinforced concrete
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 204
- 239000010959 steel Substances 0.000 title claims abstract description 204
- 239000002131 composite material Substances 0.000 title claims abstract description 66
- 239000004567 concrete Substances 0.000 title claims abstract description 46
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 48
- 210000001015 abdomen Anatomy 0.000 claims description 102
- 238000003466 welding Methods 0.000 claims description 24
- 239000011440 grout Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 12
- 238000005266 casting Methods 0.000 abstract description 3
- 239000004593 Epoxy Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses an assembled steel purlin web concrete composite bridge is assembled by a plurality of prefabricated steel purlin web composite beam units and is constituted. The prefabricated steel truss web combination beam unit comprises a reinforced concrete top plate, truss web steel pipes, a reinforced concrete bottom plate, connecting truss web steel pipes, steel sleeve type nodes and steel sheath type nodes, wherein the reinforced concrete top plate and the reinforced concrete bottom plate are arranged in parallel, and the steel sheath type nodes are respectively arranged on the opposite side surfaces of the reinforced concrete top plate and the reinforced concrete bottom plate. The utility model discloses an assembled steel purlin web concrete composite bridge compares with the steel purlin web concrete composite bridge that current cantilever casting and support were pour, has avoided the on-the-spot purlin web steel pipe to fix a position the degree of difficulty big, the accuracy low scheduling problem, has simplified operation flow, has shortened construction cycle to a large amount of human costs have been practiced thrift, and have ensured engineering quality.
Description
Technical field
The utility model relates to a kind of technical field of bridge construction, particularly relates to a kind of assembled steel purlin abdomen concrete composite bridge.
Background technology
Steel purlin abdomen prestressed concrete composite beam bridge is a kind of new composite structure bridge, constructively adopt the concrete web in purlin formula steel web member replacement concrete box girder, web ends node is directly mounted in concrete flange plate, is formed by concrete roof, purlin abdomen steel pipe, concrete floor, the cooperative combined structure system of in vitro and in vivo prestressed strand.
The construction method of this bridge mainly contains cantilever pouring and support cast-in-place two kinds at present, when adopting this two kinds of method constructions, due to abdomen Steel Tube Joint place, purlin structure more complicated, its sections positioning difficulty is larger, between sections, joint connection in site precision is difficult to control, and construction quality not easily ensures.
Because the defect that above-mentioned existing combined bridge construction exists, the utility model people is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of novel fabricated steel purlin abdomen concrete composite bridge, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the utility model had practical value.
Utility model content
Main purpose of the present utility model is, overcomes the defect that existing combined bridge exists, and provides a kind of novel fabricated steel purlin abdomen concrete composite bridge, improves construction precision, thus is more suitable for practicality, and have the value in industry.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.According to the assembled steel purlin abdomen concrete composite bridge that the utility model proposes, form by multiple pre-manufactured steel purlins abdomen composite beams is assembled.
Further, aforesaid assembled steel purlin abdomen concrete composite bridge, described pre-manufactured steel purlin abdomen composite beams includes roof support with reinforced concrete, purlin abdomen steel pipe, reinforced concrete floor, connection purlin abdomen steel pipe, steel bushing cartridge type node and steel sheath formula node,
Setting parallel to each other between described roof support with reinforced concrete and reinforced concrete floor, the side that roof support with reinforced concrete and reinforced concrete floor are oppositely arranged is respectively arranged with steel sheath formula node, and described roof support with reinforced concrete is connected with reinforced concrete floor by being connected with steel sheath formula node by described purlin abdomen steel pipe;
Described connection purlin abdomen steel pipe is arranged on the steel sheath formula node of roof support with reinforced concrete, for connecting the steel bushing cartridge type node in adjacent pre-manufactured steel purlin abdomen composite beams;
On the steel sheath formula node of described steel bushing cartridge type Node configuration on reinforced concrete floor, for connecting the connection purlin abdomen steel pipe in the abdomen composite beams of contiguous prefabricated steel purlin.
Further, aforesaid assembled steel purlin abdomen concrete composite bridge, tongue or groove is respectively arranged with at the same end face of described roof support with reinforced concrete and reinforced concrete floor, be respectively arranged with groove or tongue in other end, the groove between adjacent two pre-manufactured steel purlin abdomen composite beams or tongue are connected to form concrete hinge.
Further, aforesaid assembled steel purlin abdomen concrete composite bridge, described connection purlin abdomen steel pipe is hollow tubular structure, the inside being arranged on steel bushing cartridge type node at connection purlin abdomen steel pipe is provided with the first plain plate, described first plain plate surface is provided with multiple first WELDING STUDS, and the sidewall that described connection purlin abdomen steel pipe is arranged on steel bushing cartridge type intra-node arranges multiple through hole.
Further, aforesaid assembled steel purlin abdomen concrete composite bridge, described steel bushing cartridge type node is fabricated structure, includes steel sleeve cylinder, steel inner sleeve and the second plain plate,
Wherein steel inner sleeve is arranged on steel sleeve cylinder inside, is fixedly installed the second plain plate bottom steel inner sleeve and steel sleeve cylinder.
Further, aforesaid assembled steel purlin abdomen concrete composite bridge, is provided with the 3rd WELDING STUDS at described steel sleeve cylinder medial surface, and described steel inner sleeve lateral surface is provided with the 4th WELDING STUDS, and the external surface of described second plain plate is provided with the second WELDING STUDS.
Further, aforesaid assembled steel purlin abdomen concrete composite bridge, the bottom of described steel sleeve cylinder one side surface is provided with grout hole, and the top on described steel sleeve cylinder opposite side surface is provided with tests slurry hole.
The preparation method of assembled steel purlin abdomen concrete composite bridge, comprises following operating procedure,
(1) pre-manufactured steel purlin abdomen composite beams is prepared in factory;
(2) pre-manufactured steel purlin abdomen composite beams is transported to construction location, Assembling;
(3) assembled steel purlin abdomen concrete composite bridge is obtained after fixing.
The preparation method of assembled steel purlin abdomen concrete composite bridge, in described (2), during Assembling, connect purlin abdomen steel pipe and be arranged in the steel bushing cartridge type node in the abdomen composite beams of contiguous prefabricated steel purlin, two adjacent pre-manufactured steel purlin abdomen composite beams combinations are as a whole.
The preparation method of assembled steel purlin abdomen concrete composite bridge, is provided with bituminous epoxy between steel inner sleeve outer surface and steel sleeve tube inner surface.
By technique scheme, the utility model assembled steel purlin abdomen concrete composite bridge at least has following advantages:
(1) assembled steel purlin of the present utility model abdomen concrete composite bridge is compared with the steel purlin abdomen concrete composite bridge of bracket casting with existing cantilever pouring, avoid the problems such as on-the-spot purlin abdomen steel pipe positioning difficulty is large, accuracy is low, simplify operating process, shorten construction period, thus saved a large amount of human costs, and ensure that workmanship.
(2) be provided with WELDING STUDS at steel inner sleeve and steel sleeve cylinder surface, and build bituminous epoxy, form bituminous epoxy pin, strengthen bonding strength.
(3) bonding strength being with the plain plate of WELDING STUDS can strengthen connecting purlin abdomen steel pipe and steel bushing cartridge type node is set in connection purlin abdomen steel duct.
(4) connect purlin abdomen steel tube end part and through hole is set, in hole, concrete pin is formed after grouting, the bonding strength connecting purlin abdomen steel pipe and steel bushing cartridge type node can be strengthened, thus strengthen the direct bonding strength of precast beam unit, ensure that the direct globality of two adjacent precast beam unit.
(5) on the downside of steel sleeve cylinder, root arranges grout hole, and upper side roof part is arranged tests slurry hole, can guarantee the density of being in the milk, ensure bonding strength.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of manual, be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model assembled steel purlin abdomen concrete composite bridge;
Fig. 2 is pre-manufactured steel purlin abdomen composite beams structural representation;
Fig. 3 is section assembling connected node organigram;
Fig. 4 is A-A directional profile figure in Fig. 2;
Implication is marked: 1. pre-manufactured steel purlin abdomen composite beams in figure, 1-1. roof support with reinforced concrete, 1-2. purlin abdomen steel pipe, 1-3. reinforced concrete floor, 2. concrete hinge, 2-1. tongue, 2-2. groove, 3. connect purlin abdomen steel pipe, 3-1. first plain plate, 3-2. first WELDING STUDS, 3-3. through hole, 4. steel bushing cartridge type node, 4-1. steel sleeve cylinder, 4-2. steel inner sleeve, 4-3. second plain plate, 4-4. second WELDING STUDS, 4-5. the 3rd WELDING STUDS, 4-6. the 4th WELDING STUDS, 4-7. grout hole, 4-8. tests slurry hole, 4-9. bituminous epoxy, 4-10. cyclic silicone fluid sealant, 4-11. steel sheath formula node.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, to according to assembled steel purlin its detailed description of the invention of abdomen concrete composite bridge, feature and the effect thereof that the utility model proposes, be described in detail as follows.
Embodiment 1
Assembled steel purlin of the present utility model abdomen concrete composite bridge structural representation as shown in figures 1-4, include pre-manufactured steel purlin abdomen composite beams 1, roof support with reinforced concrete 1-1, purlin abdomen steel pipe 1-2, reinforced concrete floor 1-3, concrete hinge 2, tongue 2-1, groove 2-2, connect purlin abdomen steel pipe 3, first plain plate 3-1, first WELDING STUDS 3-2, through hole 3-3, steel bushing cartridge type node 4, steel sleeve cylinder 4-1, steel inner sleeve 4-2, second plain plate 4-3, second WELDING STUDS 4-4, 3rd WELDING STUDS 4-5, 4th WELDING STUDS 4-6, grout hole 4-7, test slurry hole 4-8, bituminous epoxy 4-9, cyclic silicone fluid sealant 4-10 and steel sheath formula node 4-11.
Assembled steel purlin of the present utility model abdomen concrete composite bridge is combined to form mutually by multiple pre-manufactured steel purlins abdomen composite beams 1.Pre-manufactured steel purlin abdomen composite beams 1 includes again roof support with reinforced concrete 1-1, purlin abdomen steel pipe 1-2, reinforced concrete floor 1-3, connects purlin abdomen steel pipe 3, steel bushing cartridge type node 4 and steel sheath formula node 4-11, setting parallel to each other between roof support with reinforced concrete 1-1 and reinforced concrete floor 1-3, the side that roof support with reinforced concrete 1-1 and reinforced concrete floor 1-3 is oppositely arranged is respectively arranged with steel sheath formula node 4-11, and roof support with reinforced concrete 1-1 is connected with reinforced concrete floor 1-3 by being connected with steel sheath formula node 4-11 by purlin abdomen steel pipe 1-2.
Connecting purlin abdomen steel pipe 3 is arranged on the steel sheath formula node 4-11 of roof support with reinforced concrete 1-1, for connecting the steel bushing cartridge type node 4 in adjacent pre-manufactured steel purlin abdomen composite beams 1, steel bushing cartridge type node 4 is arranged on the steel sheath formula node 4-11 on reinforced concrete floor 1-3, for connecting the connection purlin abdomen steel pipe 3 in contiguous prefabricated steel purlin abdomen composite beams 1, described connection purlin abdomen steel pipe 3 is hollow tubular structure, the inside being arranged on steel bushing cartridge type node 4 at connection purlin abdomen steel pipe 3 is provided with the first plain plate 3-1, first plain plate 3-1 surface is provided with multiple first WELDING STUDS 3-2, connect on sidewall that purlin abdomen steel pipe 3 is arranged on steel bushing cartridge type node 4 inside and multiple through hole 3-3 is set.
Steel bushing cartridge type node 4 is fabricated structure, include steel sleeve cylinder 4-1, steel inner sleeve 4-2 and the second plain plate 4-3, wherein steel inner sleeve 4-2 is arranged on steel sleeve cylinder 4-1 inside, is fixedly installed the second plain plate 4-3 bottom steel inner sleeve 4-2 and steel sleeve cylinder 4-1.Steel sleeve cylinder 4-1 medial surface is provided with the 3rd WELDING STUDS 4-5, and steel inner sleeve 4-2 lateral surface is provided with the 4th WELDING STUDS 4-6, and the external surface of the second plain plate 4-3 is provided with the second WELDING STUDS 4-4.The bottom of steel sleeve cylinder 4-1 mono-side surface is provided with grout hole 4-7, and the top on steel sleeve cylinder 4-1 opposite side surface is provided with tests slurry hole 4-8.In connection purlin, abdomen steel duct arranges the bonding strength being with the plain plate of WELDING STUDS can strengthen connecting purlin abdomen steel pipe and steel bushing cartridge type node.
Tongue 2-1 or groove 2-2 is respectively arranged with at the same end face of roof support with reinforced concrete 1-1 and reinforced concrete floor 1-3, be respectively arranged with groove 2-2 or tongue 2-1 in other end, the groove 2-2 between adjacent two pre-manufactured steel purlin abdomen composite beams 1 or tongue 2-1 is connected to form concrete hinge 2.
During construction, first prepare pre-manufactured steel purlin abdomen composite beams 1 in factory; Again pre-manufactured steel purlin abdomen composite beams 1 is transported to construction location, Assembling, match the tongue 2-1 in a pre-manufactured steel purlin abdomen composite beams 1 with the groove 2-2 in contiguous prefabricated steel purlin abdomen composite beams 1 Primary Location.Connection purlin abdomen steel pipe 3 on the web grider unit of pre-manufactured steel purlin is embedded in steel bushing cartridge type node 4, makes adjacent two pre-manufactured steel purlin abdomen composite beams 1 form an entirety.On the downside of steel sleeve cylinder 4-1, the grout hole 4-7 of root fills with packing material bituminous epoxy 4-9 in steel bushing cartridge type node 4, test slurry hole 4-8 from side roof part steel sleeve cylinder 4-1 after grouting terminates and check whether grouting is closely knit, after the assay was approved, steel sleeve cylinder 4-1 and the connecting end surface place being connected purlin abdomen steel pipe 3 are provided with cyclic silicone fluid sealant 4-10 to seal.Be provided with WELDING STUDS at steel inner sleeve and steel sleeve cylinder surface, and build bituminous epoxy, form bituminous epoxy pin, strengthen bonding strength.First connection purlin abdomen steel pipe 3 is embedded in adjacent steel bushing cartridge type node 4 in forming process, realize two adjacent pre-manufactured steel purlin abdomen composite beams 1 Primary Location, then tongue 2-1 and the groove 2-2 of roof support with reinforced concrete 1-1 and reinforced concrete floor 1-3 side are connected with adjacent groove 2-2 or tongue 2-1 and form solidifying soil and cut with scissors 2, further location, connects more firm.
Assembled steel purlin of the present utility model abdomen concrete composite bridge is compared with the steel purlin abdomen concrete composite bridge of bracket casting with existing cantilever pouring, avoid the problems such as on-the-spot purlin abdomen steel pipe positioning difficulty is large, accuracy is low, simplify operating process, shorten construction period, thus saved a large amount of human costs, and ensure that workmanship.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. an assembled steel purlin abdomen concrete composite bridge, is characterized in that: form by multiple pre-manufactured steel purlin abdomen composite beams (1) is assembled.
2. assembled steel purlin according to claim 1 abdomen concrete composite bridge, it is characterized in that: described pre-manufactured steel purlin abdomen composite beams (1) includes roof support with reinforced concrete (1-1), purlin abdomen steel pipe (1-2), reinforced concrete floor (1-3), connects purlin abdomen steel pipe (3), steel bushing cartridge type node (4) and steel sheath formula node (4-11)
Setting parallel to each other between described roof support with reinforced concrete (1-1) and reinforced concrete floor (1-3), the side that roof support with reinforced concrete (1-1) and reinforced concrete floor (1-3) are oppositely arranged is respectively arranged with steel sheath formula node (4-11), and described roof support with reinforced concrete (1-1) is connected with reinforced concrete floor (1-3) by being connected with steel sheath formula node (4-11) by described purlin abdomen steel pipe (1-2);
Described connection purlin abdomen steel pipe (3) is arranged on the steel sheath formula node (4-11) of roof support with reinforced concrete (1-1), for connecting the steel bushing cartridge type node (4) in adjacent pre-manufactured steel purlin abdomen composite beams (1);
Described steel bushing cartridge type node (4) is arranged on the steel sheath formula node (4-11) on reinforced concrete floor (1-3), for connecting connection purlin abdomen steel pipe (3) in contiguous prefabricated steel purlin abdomen composite beams (1).
3. assembled steel purlin according to claim 2 abdomen concrete composite bridge, it is characterized in that: be respectively arranged with tongue (2-1) or groove (2-2) at the same end face of described roof support with reinforced concrete (1-1) and reinforced concrete floor (1-3), be respectively arranged with groove (2-2) or tongue (2-1) in other end, the groove (2-2) between adjacent two pre-manufactured steel purlins abdomen composite beams (1) or tongue (2-1) are connected to form concrete hinge (2).
4. assembled steel purlin according to claim 2 abdomen concrete composite bridge, it is characterized in that: described connection purlin abdomen steel pipe (3) is hollow tubular structure, the inside being arranged on steel bushing cartridge type node (4) in connection purlin abdomen steel pipe (3) is provided with the first plain plate (3-1), described first plain plate (3-1) surface is provided with multiple first WELDING STUDS (3-2), and described connection purlin abdomen steel pipe (3) is arranged on the inner sidewall of steel bushing cartridge type node (4) and arranges multiple through hole (3-3).
5. assembled steel purlin according to claim 2 abdomen concrete composite bridge, it is characterized in that: described steel bushing cartridge type node (4) is fabricated structure, include steel sleeve cylinder (4-1), steel inner sleeve (4-2) and the second plain plate (4-3)
Wherein steel inner sleeve (4-2) is arranged on steel sleeve cylinder (4-1) inside, and steel inner sleeve (4-2) and steel sleeve cylinder (4-1) bottom are fixedly installed the second plain plate (4-3).
6. assembled steel purlin according to claim 5 abdomen concrete composite bridge, it is characterized in that: described steel sleeve cylinder (4-1) medial surface is provided with the 3rd WELDING STUDS (4-5), described steel inner sleeve (4-2) lateral surface is provided with the 4th WELDING STUDS (4-6), and the external surface of described second plain plate (4-3) is provided with the second WELDING STUDS (4-4).
7. the assembled steel purlin abdomen concrete composite bridge according to claim 5 or 6, it is characterized in that: the bottom of described steel sleeve cylinder (4-1) side surface is provided with grout hole (4-7), the top on described steel sleeve cylinder (4-1) opposite side surface is provided with tests slurry hole (4-8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565266.0U CN204825615U (en) | 2015-07-30 | 2015-07-30 | Assembled steel truss web concrete composite bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565266.0U CN204825615U (en) | 2015-07-30 | 2015-07-30 | Assembled steel truss web concrete composite bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204825615U true CN204825615U (en) | 2015-12-02 |
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ID=54683231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520565266.0U Expired - Fee Related CN204825615U (en) | 2015-07-30 | 2015-07-30 | Assembled steel truss web concrete composite bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204825615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252425A (en) * | 2018-03-28 | 2018-07-06 | 福州大学 | A kind of steel tube confined concrete node structure and corresponding truss structure and construction method |
| CN108532441A (en) * | 2018-04-23 | 2018-09-14 | 黄宇松 | A kind of combined bridge truss with retention mechanism |
-
2015
- 2015-07-30 CN CN201520565266.0U patent/CN204825615U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252425A (en) * | 2018-03-28 | 2018-07-06 | 福州大学 | A kind of steel tube confined concrete node structure and corresponding truss structure and construction method |
| CN108252425B (en) * | 2018-03-28 | 2023-12-08 | 福州大学 | Steel pipe confined concrete node structure, corresponding truss structure and construction method |
| CN108532441A (en) * | 2018-04-23 | 2018-09-14 | 黄宇松 | A kind of combined bridge truss with retention mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |