CN112030717A - Steel-concrete composite pin combination beam - Google Patents
Steel-concrete composite pin combination beam Download PDFInfo
- Publication number
- CN112030717A CN112030717A CN202010767666.5A CN202010767666A CN112030717A CN 112030717 A CN112030717 A CN 112030717A CN 202010767666 A CN202010767666 A CN 202010767666A CN 112030717 A CN112030717 A CN 112030717A
- Authority
- CN
- China
- Prior art keywords
- steel
- shaped
- pin
- concrete
- composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
-
- 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
-
- 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
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a steel-concrete composite pin combination beam which comprises at least one prefabricated T-shaped combination beam, wherein the prefabricated T-shaped combination beam comprises a T-shaped concrete beam and T-shaped steel, a flange plate of the T-shaped steel is arranged at the lower part of a web plate of the T-shaped concrete beam, and a plurality of pin cores are longitudinally arranged on the web plate of the T-shaped steel at intervals and inserted into the central position of the web plate of the T-shaped concrete beam. The invention has the advantages of good stress performance, capability of avoiding the traditional shear pin connecting piece, capability of avoiding the welding of a large number of studs, rapider construction, more reliable quality, contribution to reducing the engineering cost and the like, and simultaneously, the fatigue performance is obviously superior to that of the welded studs.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a steel-concrete composite pin combination beam.
Background
The medium-small span bridge is a bridge with a standard single-hole span of 5-40m, and is widely applied to bridge construction of municipal engineering and highway engineering.
The traditional medium and small span bridge generally adopts a concrete beam, although the design and construction technology are mature, the concrete in a tension area is easy to crack, the concrete at the tension part cannot resist the action of external force, the constant weight of the structure is increased due to the larger self weight, and the construction period is longer. The steel beam has the advantages of high strength, good toughness, light self weight and convenient installation, but the manufacturing cost is higher, and the steel bridge deck has the problems of fatigue and pavement and is difficult to be widely applied. The steel-concrete combined beam comprehensively utilizes the advantages of the concrete beam and the steel beam, the reinforced concrete slab is arranged on the upper part of the steel beam and is connected with the steel beam through the connecting piece, the reinforced concrete slab is used as a flange of the steel beam and has a uniform neutralizing shaft with the steel beam, and the reinforced concrete slab and the steel beam form the combined beam to play a role together. The steel beam is stressed in the tension area, so that the problem that concrete is easy to crack is solved, and the concrete slab is stressed in the compression area, so that the problems of fatigue and pavement of a steel bridge deck are solved. Therefore, the steel-concrete composite beam is greatly developed in the bridges with medium and small spans.
However, the conventional steel-concrete composite beam has the following disadvantages in construction: 1. the field construction of the steel beam has a large number of welding procedures, the construction is complicated, the process requirement on constructors is high, the welding quality is difficult to control, and the engineering cost is high; 2. generally, a shear nail is used as a shear connecting piece for connecting a reinforced concrete slab and a steel beam, the shear nail is required to resist horizontal shear force between the reinforced concrete slab and a steel beam joint surface and relative sliding between the reinforced concrete slab and the steel beam joint surface, and also is required to resist lifting of the steel beam and the reinforced concrete slab, so that fatigue failure is easy to generate, and along with increase of the number of the shear nails, construction cost and difficulty are correspondingly increased, and welding deformation and residual stress are easy to generate on an upper flange of the steel beam.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the steel-concrete composite pin combination beam which has good stress performance, can avoid the traditional shear nail connecting piece, is quick and simple to construct and is beneficial to reducing the engineering cost.
In order to solve the technical problems, the invention adopts the following technical scheme:
the steel-concrete composite pin combination beam comprises at least one prefabricated T-shaped combination beam body, wherein the prefabricated T-shaped combination beam body comprises a T-shaped concrete beam body and T-shaped steel, a flange plate of the T-shaped steel is arranged on the lower portion of a web plate of the T-shaped concrete beam body, and a plurality of pin centers are arranged on the web plate of the T-shaped steel at intervals along the longitudinal direction and inserted into the center of the web plate of the T-shaped concrete beam body.
As a further improvement of the above technical solution: the pin core comprises a horizontal pin base, arc-shaped pin feet are arranged on two sides of the pin base, arc-shaped pin openings are formed in the upper portions of the pin feet, the circle centers of the pin feet are located between the two pin feet, the circle centers of the pin openings are located on the outer sides of the two pin feet, and the radius of each pin opening is smaller than that of each pin foot.
As a further improvement of the above technical solution: the pin foot is C-shaped, and the two pin mouths are arranged in an inverted splayed shape.
As a further improvement of the above technical solution: the T-shaped steel is formed by half cutting of H-shaped steel.
As a further improvement of the above technical solution: be equipped with first horizontal reinforcing bar, the horizontal reinforcing bar of second, first longitudinal reinforcement, the vertical reinforcing bar of second and restraint reinforcing bar in the web of T shape concrete beam, first horizontal reinforcing bar runs through the round pin center, the horizontal reinforcing bar of second is located the web top of T shape steel, the web both sides of T shape steel are located to first longitudinal reinforcement branch, the web top of T shape concrete beam is located and aligns with first longitudinal reinforcement to the vertical reinforcing bar of second branch, restraint reinforcing bar lower extreme is around locating on first longitudinal reinforcement, restraint reinforcing bar upper end around locating on the vertical reinforcing bar of second of homonymy.
As a further improvement of the above technical solution: and the upper part of the flange plate of the T-shaped concrete beam is also provided with a cast-in-place concrete bridge deck.
As a further improvement of the above technical solution: and a third longitudinal steel bar is arranged in the cast-in-place concrete bridge deck, a transverse shear steel bar is arranged at the upper part of the third longitudinal steel bar, and two ends of the transverse shear steel bar are bent downwards and fixedly connected with the restraint steel bars at the same side.
As a further improvement of the above technical solution: the T-shaped concrete beam is a T-shaped ultrahigh-performance concrete beam.
As a further improvement of the above technical solution: the prefabricated T-shaped combination beam is transversely provided with a plurality of pieces, and the flange plates of two adjacent T-shaped concrete beams are connected through a longitudinal wet joint.
Compared with the prior art, the invention has the advantages that: according to the steel-concrete composite pin combination beam disclosed by the invention, the flange plate of the T-shaped steel is arranged at the lower part of the web plate of the T-shaped concrete beam, a plurality of pin centers are arranged on the web plate of the T-shaped steel at intervals and are inserted into the center position of the web plate of the T-shaped concrete beam, and the web plate of the T-shaped steel and the web plate of the T-shaped concrete beam jointly form a composite pin structure of the steel pin and the concrete pin, so that on one hand, as the composite pin replaces a shear pin connecting piece used by the traditional steel-concrete combination beam, the welding of a large number of pins is avoided, the construction is faster, meanwhile, the fatigue performance is obviously superior to that of the welded pins, and the quality; on the other hand, the advantages of the traditional composite beam that the steel beam is tensile and the concrete is compressive are exerted, and the common shearing of the steel beam web and the concrete beam web is utilized, so that the shearing resistance is improved, the material utilization rate is improved, the steel consumption is saved, and the construction cost can be reduced. In addition, because the web plate of the T-shaped steel is filled with concrete, the flange plate and the web plate of the T-shaped steel are both restrained by the concrete web plate, and the instability problem of the steel structure of the composite beam is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the steel-concrete composite pin composite beam of the present invention.
Fig. 2 is a schematic structural view of a monolithic T-shaped composite beam according to the present invention.
Fig. 3 is a schematic structural view of the inside of the monolithic T-shaped composite beam of the present invention.
FIG. 4 is a schematic view showing a process of manufacturing the T-section steel of the present invention.
Fig. 5 is a schematic view of the cutting path of the pin core of the present invention.
FIG. 6 is a side view schematically showing the structure of the T-section steel of the present invention.
The reference numerals in the figures denote: 1. prefabricating a T-shaped combination beam; 2. a T-shaped concrete beam; 21. a first transverse reinforcement bar; 22. a second transverse reinforcement bar; 23. a first longitudinal reinforcement; 24. a second longitudinal reinforcement; 25. constraining the reinforcing steel bars; 26. a concrete pin; 27. transversely distributing reinforcing steel bars; 28. a fourth longitudinal reinforcement; 3. t-shaped section steel; 31. a pin core; 311. a pin base; 312. a pin leg; 313. a pin opening; 32. a steel pin; 4. casting a concrete bridge deck in situ; 41. a third longitudinal reinforcement; 42. transverse shear-resistant steel bars; 5. a longitudinal wet seam; 6. h-shaped steel; 61. cutting a line; 62. the waste portion is cut.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 6 illustrate an embodiment of a steel-concrete composite pin composite beam according to the present invention, which includes a prefabricated T-shaped composite beam 1, where the prefabricated T-shaped composite beam 1 includes a T-shaped concrete beam 2 and a T-shaped steel 3, a flange plate of the T-shaped steel 3 is disposed at a lower portion of a web of the T-shaped concrete beam 2, and a plurality of pin cores 31 are longitudinally spaced on the web of the T-shaped steel 3 and inserted into a center position of the web of the T-shaped concrete beam 2. The longitudinal direction is the length direction of the bridge, and the corresponding transverse direction is the width direction of the bridge.
According to the steel-concrete composite pin combination beam, the flange plate of the T-shaped section steel 3 is arranged at the lower part of the web plate of the T-shaped concrete beam 2, and a plurality of pin centers 31 are longitudinally arranged on the web plate of the T-shaped section steel 3 at intervals and are inserted into the center position of the web plate of the T-shaped concrete beam 2, so that the web plate of the T-shaped section steel 3 and the web plate of the T-shaped concrete beam 2 jointly form a composite pin structure of a steel pin 32 and a concrete pin 26; on the other hand, the advantages of the traditional composite beam that the steel beam is tensile and the concrete is compressive are exerted, and the common shearing of the steel beam web and the concrete beam web is utilized, so that the shearing resistance is improved, the material utilization rate is improved, the steel consumption is saved, and the construction cost can be reduced. In addition, because the web of the T-shaped steel 3 is filled with concrete, the flange plates and the web of the T-shaped steel 3 are both restrained by the web of the T-shaped concrete beam 2, and the instability problem of the steel structure of the composite beam is greatly improved.
Further, in this embodiment, the pin core 31 includes a horizontal pin base 311, the two sides of the pin base 311 are provided with arc-shaped pins 312, the upper portions of the pins 312 are provided with arc-shaped pin openings 313, the centers of the two pins 312 are located between the two pins 312 (or the centers of the two pins 312 are located inside the two pins 312), the centers of the two pin openings 313 are located outside the two pins 312, and the radius of the pin openings 313 is smaller than the radius of the pins 312. After concrete is poured, the pin core 31 of the structure can enable the web of the T-shaped concrete beam 2 and the web of the T-shaped steel 3 to be reliably connected, can effectively resist horizontal shearing force between the concrete beam and the steel beam, relative sliding between the concrete beam and the steel beam and lifting of the steel beam and the concrete beam, and the steel beam flange plate and the web can be effectively restrained by the web of the concrete beam.
Furthermore, in the present embodiment, the pin leg 312 is C-shaped, and the two pin openings 313 are arranged in an inverted splayed shape, so that on the basis of ensuring the good comprehensive performance of the pin core 31, the H-shaped steel 6 is conveniently half-cut to obtain two symmetrical T-shaped steel 3.
As an optimal technical scheme, in the embodiment, the T-shaped steel 3 is formed by half-cutting the H-shaped steel 6, the machining process is simple, welding is not needed, the cost of the H-shaped steel 6 is greatly reduced compared with that of welded steel, the problems of welding residual stress and fatigue are avoided, the quality is more controllable, and the construction is quicker.
Further, in this embodiment, a first transverse steel bar 21, a second transverse steel bar 22, a first longitudinal steel bar 23, a second longitudinal steel bar 24, and a constraining steel bar 25 are disposed in a web of the T-shaped concrete beam 2, the first transverse steel bar 21 penetrates through the pin core 31, the second transverse steel bar 22 is located above the web of the T-shaped steel 3, the first longitudinal steel bar 23 is disposed on two sides of the web of the T-shaped steel 3, the second longitudinal steel bar 24 is disposed on the top of the web of the T-shaped concrete beam 2 and aligned with the first longitudinal steel bar 23, the lower end of the constraining steel bar 25 is wound on the first longitudinal steel bar 23, and the upper end of the constraining steel bar 25 is wound on the second longitudinal steel bar 24 on the same side. This kind of reinforcing bar arrangement mode in 2 webs of T shape concrete beam can connect into whole reliably girder steel and concrete beam after concreting, improves structural performance, can effectively resist horizontal shear force between concrete beam and the girder steel, relative slip between the two and the effect of lifting of girder steel and concrete beam, and girder steel flange plate and web all can receive the effective restraint of concrete beam web.
In this embodiment, a cast-in-place concrete bridge deck 4 is further disposed on the top of the flange plate of the T-shaped concrete beam 2. Of course, in other embodiments, the cast-in-place concrete bridge deck 4 may be eliminated and only the prefabricated T-shaped composite beam 1 may be used to simplify the process.
Further, in this embodiment, a third longitudinal steel bar 41 is disposed in the cast-in-place concrete bridge deck 4, a transverse shear steel bar 42 is disposed on the upper portion of the third longitudinal steel bar 41, and two ends of the transverse shear steel bar 42 are bent downward and fixedly connected to the constraining steel bars 25 on the same side, so that the cast-in-place concrete bridge deck 4 and the prefabricated T-shaped composite beam 1 can be reliably connected into a whole.
As a preferable technical solution, in this embodiment, the T-shaped concrete beam 2 is a T-shaped Ultra High Performance Concrete (UHPC) beam, which is beneficial to further reducing the self weight and improving the structural performance. Of course, in other embodiments, conventional concrete beams may be used as desired.
In the preferred technical scheme, in the embodiment, three prefabricated T-shaped composite beams 1 are arranged along the transverse direction, and the flange plates of two adjacent T-shaped concrete beams 2 are connected through a longitudinal wet joint 5.
The construction method of the steel-concrete composite pin combination beam comprises the following steps:
1) after purchasing the H-shaped steel 6 standard part, transporting the H-shaped steel 6 standard part to a processing plant, and cutting the H-shaped steel 6 standard part into two symmetrical T-shaped steel 3 according to a cutting line 61; only a small amount of cutting waste 62 is generated in the process;
2) placing the T-shaped steel 3 on a prefabricated field pedestal in an inverted mode, binding reinforcing steel bars, installing templates, and pouring concrete to form a prefabricated T-shaped combined beam 1;
3) after maintenance is finished, the prefabricated T-shaped combination beam 1 is transported to a bridge location, lifted and placed on a temporary support, and three prefabricated T-shaped combination beams 1 are transversely wet-jointed into a whole through a longitudinal wet joint 5 to form a simply supported beam;
4) integrally casting concrete on the upper flange plate of the T-shaped steel 3 to form a cast-in-place concrete bridge deck 4;
5) and pouring pier top beam concrete, and falling the beam onto the permanent support to complete the conversion of the continuous system.
Wherein the type of the H-shaped steel 6 is HN 800X 300, the width is 30cm, the flange thickness is 2.6cm, the web plate thickness is 1.4cm, the gyration radius at the junction of the web plate and the flange is 2.8cm, and the web plate height is 80 cm; the H-shaped steel 6 is continuously cut in a convolute shape according to the cutting line 61, two pieces of T-shaped steel 3 which are completely symmetrical are obtained by one-step forming, and the waste part 62 is cut after the H-shaped steel 6 is cut. The width of the T-shaped steel is 30cm, the thickness of the flange is 2.6cm, the thickness of the web plate is 1.4cm, the radius of gyration at the junction of the web plate and the flange is 2.8cm, and the height of the web plate is 40 cm. The width of an upper flange plate of the T-shaped concrete beam 2 is 230cm, the thickness of an upper flange plate 4 is 12cm, the width of a web plate 3 is 30cm, the height of the beam is 1m, and the thickness of a cast-in-place concrete bridge deck layer is 8 cm. The bridge girder is formed by connecting three prefabricated T-shaped combination beams into a whole through a longitudinal wet joint 5, and the width of the longitudinal wet joint 5 is 40 cm.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (9)
1. The utility model provides a steel-concrete compound round pin combination beam which characterized in that: the prefabricated T-shaped combined beam comprises at least one prefabricated T-shaped combined beam (1), wherein the prefabricated T-shaped combined beam (1) comprises a T-shaped concrete beam (2) and T-shaped steel (3), a flange plate of the T-shaped steel (3) is arranged on the lower portion of a web plate of the T-shaped concrete beam (2), and a plurality of pin centers (31) are arranged on the web plate of the T-shaped steel (3) at intervals along the longitudinal direction and are inserted into the web plate center of the T-shaped concrete beam (2).
2. The steel-concrete composite pin composite beam according to claim 1, wherein: the pin center (31) comprises a horizontal pin base (311), arc-shaped pin feet (312) are arranged on two sides of the pin base (311), arc-shaped pin openings (313) are formed in the upper portions of the pin feet (312), the circle centers of the pin feet (312) are located between the two pin feet (312), the circle centers of the pin openings (313) are located on the outer sides of the two pin feet (312), and the radius of each pin opening (313) is smaller than that of each pin foot (312).
3. The steel-concrete composite pin composite beam according to claim 2, wherein: the pin feet (312) are C-shaped, and the two pin openings (313) are arranged in an inverted splayed shape.
4. The steel-concrete composite pin composite beam according to claim 3, wherein: the T-shaped steel (3) is formed by half-cutting H-shaped steel (6).
5. The steel-concrete composite pin composite beam according to any one of claims 1 to 4, wherein: be equipped with first transverse reinforcement (21), second transverse reinforcement (22), first longitudinal reinforcement (23), second longitudinal reinforcement (24) and restraint reinforcing bar (25) in the web of T shape concrete beam (2), first transverse reinforcement (21) run through round pin center (31), second transverse reinforcement (22) are located the web top of T shape shaped steel (3), the web both sides of T shape shaped steel (3) are located in first longitudinal reinforcement (23) branch, second longitudinal reinforcement (24) branch is located the web top of T shape concrete beam (2) and aligns with first longitudinal reinforcement (23), restraint reinforcing bar (25) lower extreme is around locating on first longitudinal reinforcement (23), and restraint reinforcing bar (25) upper end is around locating on the second longitudinal reinforcement (24) of homonymy.
6. The steel-concrete composite pin composite beam according to claim 5, wherein: and a cast-in-place concrete bridge deck layer (4) is also arranged at the upper part of the flange plate of the T-shaped concrete beam (2).
7. The steel-concrete composite pin composite beam according to claim 6, wherein: and a third longitudinal steel bar (41) is arranged in the cast-in-place concrete bridge deck (4), a transverse shear steel bar (42) is arranged at the upper part of the third longitudinal steel bar (41), and two ends of the transverse shear steel bar (42) are bent downwards and are fixedly connected with the restraint steel bars (25) at the same side.
8. The steel-concrete composite pin composite beam according to any one of claims 1 to 4, wherein: the T-shaped concrete beam (2) is a T-shaped ultrahigh-performance concrete beam.
9. The steel-concrete composite pin composite beam according to any one of claims 1 to 4, wherein: the prefabricated T-shaped combination beam (1) is transversely provided with a plurality of pieces, and the flange plates of two adjacent T-shaped concrete beams (2) are connected through a longitudinal wet joint (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767666.5A CN112030717A (en) | 2020-08-03 | 2020-08-03 | Steel-concrete composite pin combination beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767666.5A CN112030717A (en) | 2020-08-03 | 2020-08-03 | Steel-concrete composite pin combination beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112030717A true CN112030717A (en) | 2020-12-04 |
Family
ID=73583773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010767666.5A Pending CN112030717A (en) | 2020-08-03 | 2020-08-03 | Steel-concrete composite pin combination beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112030717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808694A (en) * | 2022-06-29 | 2022-07-29 | 湖南省交通规划勘察设计院有限公司 | Combined beam bridge and construction method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002188120A (en) * | 2000-12-19 | 2002-07-05 | Nippon Steel Corp | Joining structure of corrugated steel plate web beam |
| KR20060111968A (en) * | 2005-04-26 | 2006-10-31 | 대원과학대학 산학협력단 | The bridge installation method of having used frp grid panel for bridge upper plate, and this |
| CN2893034Y (en) * | 2006-06-14 | 2007-04-25 | 北京建工一建工程建设有限公司 | Web plate open slot type inverted T shape steel and concrete combined beam |
| CN201125461Y (en) * | 2007-11-15 | 2008-10-01 | 同济大学 | Combination beam bridge open pore steel plate shear force bond apparatus |
| CN201151961Y (en) * | 2007-12-20 | 2008-11-19 | 同济大学 | Web embedded type assembled floor system |
| CN201459927U (en) * | 2009-07-02 | 2010-05-12 | 中铁二院工程集团有限责任公司 | Shear connector |
| CN202131564U (en) * | 2011-06-10 | 2012-02-01 | 广东工业大学 | Steel-concrete combined beam PBL and welded steel bar shear connector structure |
| CN202170572U (en) * | 2011-07-04 | 2012-03-21 | 浙江省交通规划设计研究院 | Steel and concrete shear connector structure |
| CN204081079U (en) * | 2014-09-22 | 2015-01-07 | 贵州中建建筑科研设计院有限公司 | A kind of structure of open pore steel plate shear force |
| CN104428472A (en) * | 2012-07-05 | 2015-03-18 | 学校法人福冈大学 | Composite structure |
| CN109537806A (en) * | 2018-11-21 | 2019-03-29 | 江南大学 | A kind of " T-type " partial precast combination beam |
| CN110158447A (en) * | 2019-05-23 | 2019-08-23 | 中铁大桥科学研究院有限公司 | A kind of combination beam and preparation method thereof |
-
2020
- 2020-08-03 CN CN202010767666.5A patent/CN112030717A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002188120A (en) * | 2000-12-19 | 2002-07-05 | Nippon Steel Corp | Joining structure of corrugated steel plate web beam |
| KR20060111968A (en) * | 2005-04-26 | 2006-10-31 | 대원과학대학 산학협력단 | The bridge installation method of having used frp grid panel for bridge upper plate, and this |
| CN2893034Y (en) * | 2006-06-14 | 2007-04-25 | 北京建工一建工程建设有限公司 | Web plate open slot type inverted T shape steel and concrete combined beam |
| CN201125461Y (en) * | 2007-11-15 | 2008-10-01 | 同济大学 | Combination beam bridge open pore steel plate shear force bond apparatus |
| CN201151961Y (en) * | 2007-12-20 | 2008-11-19 | 同济大学 | Web embedded type assembled floor system |
| CN201459927U (en) * | 2009-07-02 | 2010-05-12 | 中铁二院工程集团有限责任公司 | Shear connector |
| CN202131564U (en) * | 2011-06-10 | 2012-02-01 | 广东工业大学 | Steel-concrete combined beam PBL and welded steel bar shear connector structure |
| CN202170572U (en) * | 2011-07-04 | 2012-03-21 | 浙江省交通规划设计研究院 | Steel and concrete shear connector structure |
| CN104428472A (en) * | 2012-07-05 | 2015-03-18 | 学校法人福冈大学 | Composite structure |
| CN204081079U (en) * | 2014-09-22 | 2015-01-07 | 贵州中建建筑科研设计院有限公司 | A kind of structure of open pore steel plate shear force |
| CN109537806A (en) * | 2018-11-21 | 2019-03-29 | 江南大学 | A kind of " T-type " partial precast combination beam |
| CN110158447A (en) * | 2019-05-23 | 2019-08-23 | 中铁大桥科学研究院有限公司 | A kind of combination beam and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 章丛俊: "《高层建筑设计》", 31 October 2014, 东南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808694A (en) * | 2022-06-29 | 2022-07-29 | 湖南省交通规划勘察设计院有限公司 | Combined beam bridge and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109082998B (en) | Integral prefabricated steel plate combination beam structure and construction method | |
| CN204185755U (en) | A kind of Wavelike steel webplate post-stressed concrete T beam | |
| CN108824162A (en) | A kind of steel_concrete composite beam and its construction method using plain plate and corrugated sheet steel mixing web | |
| CN104929034A (en) | Small modularized steel-concrete rapid-construction box girder bridge and construction method thereof | |
| CN109958049B (en) | Modular steel-concrete combined small box girder simply-supported continuous bridge and construction method thereof | |
| CN105064196B (en) | The fish belly I-shaped combination of prestressing force steel reinforced concrete simply supported girder bridge and its construction method of precast assembly | |
| CN105002816A (en) | Prefabricated-assembling fish-bellied I-shaped prestress steel-concrete combination continuous beam bridge and construction method | |
| CN109610314A (en) | Prefabricated bridge deck wet joint structure and assembling method | |
| CN112012091A (en) | UHPC-NC mixed box girder, large-span rigid frame bridge and construction method thereof | |
| CN110468707A (en) | The included template ultra-high performance concrete composite bridge of putting more energy into of one kind | |
| CN212773147U (en) | Prefabricated assembly part outsourcing honeycomb steel-concrete combination beam | |
| CN212404773U (en) | UHPC-NC mixed box girder and large-span rigid frame bridge | |
| CN112030717A (en) | Steel-concrete composite pin combination beam | |
| CN112482200A (en) | Connecting structure of hogging moment area of steel-concrete combined continuous beam and construction method thereof | |
| CN112761289A (en) | Local steel bar truss prestressed concrete laminated bottom plate and manufacturing method thereof | |
| CN212153072U (en) | UHPC corrugated steel web I-shaped combined continuous beam | |
| CN209923753U (en) | Steel plate combination beam with integrally prefabricated steel main beam and bridge deck and bridge | |
| CN111254799A (en) | Assembled composite structure bridge and construction method | |
| CN114775404B (en) | Steel beam-ultra-high performance concrete slab combined bent cap and construction method thereof | |
| CN215252249U (en) | Connecting structure of hogging moment area of steel-concrete combined continuous beam | |
| CN113026555A (en) | Combined beam structure of prefabricated steel plate beam and combined bridge deck | |
| CN217268348U (en) | Hybrid prestressed composite beam | |
| CN214573279U (en) | Combined bridge structure | |
| CN211665537U (en) | Prestressed inverted-T-shaped combined cross-section beam bridge | |
| CN113073557B (en) | Method for mounting concrete bridge deck of steel-concrete combined continuous steel truss bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |