CN115478468A - Assembled reinforced concrete T-shaped beam bridge - Google Patents
Assembled reinforced concrete T-shaped beam bridge Download PDFInfo
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- CN115478468A CN115478468A CN202211368100.0A CN202211368100A CN115478468A CN 115478468 A CN115478468 A CN 115478468A CN 202211368100 A CN202211368100 A CN 202211368100A CN 115478468 A CN115478468 A CN 115478468A
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- reinforced concrete
- span
- edge
- adjacent
- assembled reinforced
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 36
- 230000007704 transition Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- 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
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an assembly type reinforced concrete T-shaped girder bridge, which comprises a plurality of span sections, wherein each span section comprises a plurality of prefabricated parts, adjacent prefabricated parts on the same span section are connected through a first corrugated connecting edge, adjacent prefabricated parts on adjacent span sections are connected through a second corrugated connecting edge, the first corrugated connecting edges on the adjacent span sections are in smooth transition, and the second corrugated connecting edges on the adjacent prefabricated parts are in smooth transition; first ripple connects the limit and the second ripple connects the edge and all is provided with the blotter, through connecting piece fixed connection between the blotter. The fabricated reinforced concrete T-shaped bridge can solve the problem that the service life of the bridge is influenced because dislocation is easy to occur between fabricated bridge prefabricated parts in the prior art.
Description
Technical Field
The invention relates to the technical field of T-shaped beam bridges, in particular to an assembled reinforced concrete T-shaped beam bridge.
Background
The T-shaped beam bridge uses the T-shaped beam as a main bearing structure, when the load on the bridge generates positive bending moment, the beam is made into a T shape with a big top and a small bottom, and the lower edge is provided with the reinforcement, so that the large compressive strength of the concrete and the high tensile strength of the reinforcement are fully utilized, the material is saved compared with the rectangular beam bridge, and the dead weight is reduced. But it is not suitable for the situation that the load action generates large negative bending moment and the torsional rigidity stability is low.
Chinese patent CN114808659A discloses a middle-size and small-size diameter self-balancing assembled reinforced concrete emergency bridge and application, including relative last arch bridge and the lower arch bridge that sets up, the both ends of going up arch bridge and lower arch bridge all are provided with connecting portion, go up the arch bridge and include the curved prefab of a plurality of, assemble through mortise and tenon joint structure between the prefab and form and go up the arch bridge, and the arch bridge includes the curved prefab of a plurality of down, assembles through mortise and tenon joint structure between the prefab and forms arch bridge down. In this patent, the prefab is assembled through tenon fourth of the twelve earthly branches structure, is rigid contact between the prefab, transmission of influence for take place the dislocation easily between the adjacent prefab, influence the life of bridge.
Disclosure of Invention
The invention aims to provide an assembly type reinforced concrete T-shaped bridge, which solves the problem that the service life of the bridge is influenced because dislocation is easy to occur between prefabricated parts of the existing assembly type bridge.
In order to achieve the purpose, the invention provides an assembly type reinforced concrete T-shaped girder bridge which comprises a plurality of spans, wherein each span comprises a plurality of prefabricated parts, adjacent prefabricated parts on the same span are connected through first corrugated connecting edges, adjacent prefabricated parts on the adjacent spans are connected through second corrugated connecting edges, the first corrugated connecting edges on the adjacent spans are in smooth transition, and the second corrugated connecting edges on the adjacent prefabricated parts are in smooth transition; the first corrugated connecting edge and the second corrugated connecting edge are both provided with cushion pads which are fixedly connected through connecting pieces.
Preferably, the number of the spans is six, and the six spans are a first span, a second span, a third span, a fourth span, a fifth span and a sixth span which are equal in width and length in sequence.
Preferably, each span is provided with eight prefabricated members, namely a first prefabricated member, a second prefabricated member, a third prefabricated member, a fourth prefabricated member, a fifth prefabricated member, a sixth prefabricated member, a seventh prefabricated member and an eighth prefabricated member which are equal in width and length.
Preferably, the arc length radius of the first corrugated connecting edge is 1000mm-1100mm.
Preferably, the arc length radius of the second corrugated connecting edge is 100mm-150mm.
Preferably, the cushion is a rubber cushion, and the cushion is fixedly arranged on the first corrugated connecting edge and the second corrugated connecting edge of each prefabricated member and tightly attached to the first corrugated connecting edge and the second corrugated connecting edge.
Preferably, the thickness of the cushion pad on the first corrugated connecting edge is 80mm-120mm; the thickness of the cushion pad on the second corrugated connecting edge is 40mm-60mm.
Preferably, the connecting piece is an angle steel, the angle steel comprises a first connecting plate and a second connecting plate which are vertically arranged, and a triangular reinforcing plate is arranged between the first connecting plate and the second connecting plate; the first connecting plate is fixedly connected with the cushion pad through the high-strength bolt, and the second connecting plate is fixedly connected with the angle steel on the adjacent prefabricated member through the high-strength bolt.
Preferably, the width of the first connecting plate of the connecting piece is not larger than the width of the cushion pad.
The assembled reinforced concrete T-shaped beam bridge has the advantages and positive effects that:
1. the adjacent prefabricated members of the same span section are connected through the first corrugated connecting edge, and the adjacent prefabricated members of the adjacent span section are connected through the second corrugated connecting edge, so that the adjacent prefabricated members can be better embedded, the load transfer is more facilitated, the displacement of the prefabricated members is reduced, the anti-seismic performance of the bridge deck is improved, and the stability of the bridge structure is improved.
2. Set up the rubber buffer pad between adjacent prefab, can cushion vertical and horizontal impact force between the adjacent T type roof beam for bearing capacity can be fine transmit between adjacent prefab, alleviate the wrong platform phenomenon between the prefab, improve the bearing capacity and the life of bridge.
3. The blotter on the adjacent prefab is connected through the angle steel, has improved the joint strength of the blotter of adjacent prefab to make adjacent blotter can inseparable contact, alleviate the bridge problem of leaking the infiltration, improve the intensity and the life of bridge.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention;
FIG. 2 is a schematic structural view of an M1 type prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge of the present invention;
FIG. 3 is a schematic structural view of an M2 type prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge of the present invention;
FIG. 4 is a schematic structural view of an M3 type prefabricated member of an embodiment of the assembled reinforced concrete T-shaped bridge of the present invention;
FIG. 5 is a schematic structural view of an M4 type prefabricated member of an embodiment of the assembled reinforced concrete T-shaped bridge of the present invention;
FIG. 6 is a schematic structural view of an M5 type prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention;
FIG. 7 is a schematic structural view of an M6 type prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention;
FIG. 8 is a schematic structural view of an M7 type prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention;
FIG. 9 is a schematic structural view of an M8 type prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention;
FIG. 10 is a schematic side view of a prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention;
FIG. 11 is a schematic side view showing the structure of a connecting member according to an embodiment of the assembled reinforced concrete T-shaped bridge of the present invention;
fig. 12 is a schematic top view of a connecting member of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention.
Reference numerals
1. A first span; 2. a second span; 3. a third span; 4. a fourth span; 5. a fifth span; 6. a sixth span; 7. a first preform; 8. a second preform; 9. a third preform; 10. a fourth preform; 11. a fifth prefabricated member; 12. a sixth preform; 13. a seventh preform; 14. an eighth preform; 15. a first corrugated connecting edge; 16. a second corrugated connecting edge; 17. a cushion pad; 18. angle steel; 19. a first connecting plate; 20. a second connecting plate; 21. a reinforcing plate; 22. a threaded hole.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and the like, herein does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is a schematic structural view of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention, and fig. 10 is a schematic side structural view of a prefabricated member of an embodiment of an assembled reinforced concrete T-shaped bridge according to the present invention. As shown in the figure, the assembled reinforced concrete T-shaped girder bridge comprises a plurality of spans. In this embodiment, six spans are provided, which are a first span 1, a second span 2, a third span 3, a fourth span 4, a fifth span 5, and a sixth span 6, which have the same width and length. The total length of the bridge was 32150mm and the length of each span was 5358mm. Each span comprises several preforms. In this embodiment, eight preforms are arranged on each span, namely a first preform 7, a second preform 8, a third preform 9, a fourth preform 10, a fifth preform 11, a sixth preform 12, a seventh preform 13 and an eighth preform 14, which have the same width and length. The width of bridge is 8000mm, and the width of every prefab is 1000mm, and the height of prefab is 1000mm, and edge of a wing thickness is 200mm, and the width of beam rib is 200mm.
The adjacent prefabricated members on the same span are connected through a first corrugated connecting edge 15, and the adjacent prefabricated members on the adjacent spans are connected through a second corrugated connecting edge 16. The first corrugated connecting edge 15 and the second corrugated connecting edge 16 on each preform are slightly different so that the first corrugated connecting edge 15 on adjacent spans smoothly transitions and the second corrugated connecting edge 16 on adjacent preforms smoothly transitions.
The arc length radius of the first corrugated connecting edge 15 is 1000mm-1100mm, preferably 1047mm. The arc length radius of the second corrugated connecting edge 16 is 100mm-150mm, preferably 125mm.
In this example, there are 48 preforms, and the types of the preforms are 8, and the structures of the preforms in 8 are shown in fig. 2 to 9, respectively. The type of structure for each preform is shown in the following table:
all be provided with blotter 17 on first ripple is connected limit 15 and the second ripple and is connected the limit 16, blotter 17 is the blotter 17 of rubber, and blotter 17 is fixed to be set up on first ripple of every prefab is connected limit 15 and second ripple and is connected limit 16 to with first ripple connect limit 15, the second ripple connect limit 16 closely laminate. The cushion pad 17 is adhesively fixed on the first corrugated connecting edge 15 and the second corrugated connecting edge 16 and covers the whole first corrugated connecting edge 15 and the second corrugated connecting edge 16. The thickness of the cushion 17 on the first corrugated connecting edge 15 is 80mm to 120mm, preferably 100mm. The thickness of the cushion 17 on the second corrugated connecting edge 16 is 40mm to 60mm, preferably 50mm.
Set up rubber buffer pad 17 between adjacent prefab, can cushion vertical and horizontal impact force between the adjacent T type roof beam for bearing capacity can be fine transmit between adjacent prefab, alleviate dislocation between the prefab, wrong platform phenomenon, improve the bearing capacity and the life of bridge.
Fig. 11 is a side view structural diagram of a connecting member according to an embodiment of the assembled reinforced concrete T-shaped bridge of the present invention, and fig. 12 is a top view structural diagram of a connecting member according to an embodiment of the assembled reinforced concrete T-shaped bridge of the present invention. As shown in the figure, the cushions 17 are fixedly connected with each other through connecting pieces. The connecting piece is angle steel 18, and angle steel 18 is provided with triangular reinforcing plate 21 including the perpendicular connecting plate 19 and the connecting plate two 20 that set up between connecting plate 19 and the connecting plate two 20, and reinforcing plate 21 is used for strengthening the intensity of angle steel 18. Threaded holes 22 are formed in the first connecting plate 19 and the second connecting plate 20, the first connecting plate 19 is fixedly connected with the cushion pad 17 through high-strength bolts, and the second connecting plate 20 is fixedly connected with angle steel 18 on an adjacent prefabricated member through the high-strength bolts. The width of the first connecting plate 19 of the connecting piece is not larger than the width of the cushion pad 17. The blotter 17 on the adjacent prefab is connected through angle steel 18, has improved the joint strength of the blotter 17 of adjacent prefab to make adjacent blotter 17 can inseparable contact, alleviate the bridge problem of seeping water that leaks, improve the intensity and the life of bridge.
In this embodiment, the width and the height of connecting piece are 80mm, and length is 100mm.
The bridge span and the prefabricated member can be adjusted in number and size according to the actual length and width of the bridge, and the radiuses of the first corrugated connecting edge and the second corrugated connecting edge can be adjusted according to actual requirements.
Therefore, the fabricated reinforced concrete T-shaped bridge can solve the problem that the service life of the bridge is influenced because dislocation is easy to occur between fabricated bridge prefabricated parts in the prior art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the disclosed embodiments without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides an assembled reinforced concrete T type girder bridge which characterized in that: the prefabricated part cross structure comprises a plurality of cross sections, wherein each cross section comprises a plurality of prefabricated parts, adjacent prefabricated parts on the same cross section are connected through a first corrugated connecting edge, adjacent prefabricated parts on the adjacent cross sections are connected through a second corrugated connecting edge, the first corrugated connecting edges on the adjacent cross sections are in smooth transition, and the second corrugated connecting edges on the adjacent prefabricated parts are in smooth transition; first ripple connects the limit and the second ripple connects the edge and all is provided with the blotter, through connecting piece fixed connection between the blotter.
2. An assembled reinforced concrete T-beam bridge according to claim 1, wherein: the six spans are sequentially a first span, a second span, a third span, a fourth span, a fifth span and a sixth span which are equal in width and length.
3. An assembled reinforced concrete T-beam bridge according to claim 1, wherein: eight prefabricated members are arranged on each span, namely a first prefabricated member, a second prefabricated member, a third prefabricated member, a fourth prefabricated member, a fifth prefabricated member, a sixth prefabricated member, a seventh prefabricated member and an eighth prefabricated member which are equal in width and length in sequence.
4. An assembled reinforced concrete T-beam bridge according to claim 1, wherein: the arc length radius of the first corrugated connecting edge is 1000mm-1100mm.
5. An assembled reinforced concrete T-beam bridge according to claim 1, characterized in that: the arc length radius of the second corrugated connecting edge is 100mm-150mm.
6. An assembled reinforced concrete T-beam bridge according to claim 1, wherein: the blotter is the blotter of rubber, and the fixed edge and the second ripple of connecting of the first ripple that sets up at every prefab of blotter to be connected the edge with first ripple, the second ripple and be connected the edge and closely laminate.
7. An assembled reinforced concrete T-beam bridge according to claim 1, characterized in that: the thickness of the cushion pad on the first corrugated connecting edge is 80mm-120mm; the thickness of the cushion pad on the second corrugated connecting edge is 40mm-60mm.
8. An assembled reinforced concrete T-beam bridge according to claim 1, wherein: the connecting piece is angle steel which comprises a first connecting plate and a second connecting plate which are vertically arranged, and a triangular reinforcing plate is arranged between the first connecting plate and the second connecting plate; the first connecting plate is fixedly connected with the cushion pad through the high-strength bolt, and the second connecting plate is fixedly connected with the angle steel on the adjacent prefabricated member through the high-strength bolt.
9. An assembled reinforced concrete T-beam bridge according to claim 8, wherein: the width of the first connecting plate of the connecting piece is not larger than that of the cushion pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211368100.0A CN115478468B (en) | 2022-11-03 | 2022-11-03 | Assembled reinforced concrete T-shaped beam bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211368100.0A CN115478468B (en) | 2022-11-03 | 2022-11-03 | Assembled reinforced concrete T-shaped beam bridge |
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| CN115478468A true CN115478468A (en) | 2022-12-16 |
| CN115478468B CN115478468B (en) | 2024-01-19 |
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Citations (8)
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| JP2008063805A (en) * | 2006-09-07 | 2008-03-21 | Takenaka Komuten Co Ltd | Connection structure of full precast concrete slab |
| CN101935977A (en) * | 2010-09-29 | 2011-01-05 | 郑州大学 | Assembly type hollow slab bridge adopting bracket to replace ribbet to transmit force |
| CN104358215A (en) * | 2014-11-28 | 2015-02-18 | 中煤建筑安装工程集团有限公司 | Fabrication and assembly process of integrally prestressed total-assembled box type modular trestle |
| CN107190880A (en) * | 2017-06-26 | 2017-09-22 | 东南大学 | A kind of fabricated shear wall vertical abutment joint Alveolus type power consumption attachment means |
| CN107938495A (en) * | 2018-01-10 | 2018-04-20 | 李国栋 | A kind of novel fabricated prestressing force steel reinforced concrete bridge span structure |
| CN209760027U (en) * | 2019-02-18 | 2019-12-10 | 杨继承 | hollow core slab structure |
| CN214459538U (en) * | 2021-02-04 | 2021-10-22 | 长安大学 | Solid-web arch bridge system assembled by UHPC prefabricated corrugated plate segments |
| CN215714630U (en) * | 2021-09-14 | 2022-02-01 | 福州大学 | Prefabricated UHPC board-wave type steel superposed bridge floor connecting structure |
-
2022
- 2022-11-03 CN CN202211368100.0A patent/CN115478468B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008063805A (en) * | 2006-09-07 | 2008-03-21 | Takenaka Komuten Co Ltd | Connection structure of full precast concrete slab |
| CN101935977A (en) * | 2010-09-29 | 2011-01-05 | 郑州大学 | Assembly type hollow slab bridge adopting bracket to replace ribbet to transmit force |
| CN104358215A (en) * | 2014-11-28 | 2015-02-18 | 中煤建筑安装工程集团有限公司 | Fabrication and assembly process of integrally prestressed total-assembled box type modular trestle |
| CN107190880A (en) * | 2017-06-26 | 2017-09-22 | 东南大学 | A kind of fabricated shear wall vertical abutment joint Alveolus type power consumption attachment means |
| CN107938495A (en) * | 2018-01-10 | 2018-04-20 | 李国栋 | A kind of novel fabricated prestressing force steel reinforced concrete bridge span structure |
| CN209760027U (en) * | 2019-02-18 | 2019-12-10 | 杨继承 | hollow core slab structure |
| CN214459538U (en) * | 2021-02-04 | 2021-10-22 | 长安大学 | Solid-web arch bridge system assembled by UHPC prefabricated corrugated plate segments |
| CN215714630U (en) * | 2021-09-14 | 2022-02-01 | 福州大学 | Prefabricated UHPC board-wave type steel superposed bridge floor connecting structure |
Non-Patent Citations (1)
| Title |
|---|
| 李宏江;李万恒;赵尚传;张劲泉;杨昀;: "混凝土梁式桥纵向连接构造研究进展", no. 06, pages 126 - 130 * |
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| CN115478468B (en) | 2024-01-19 |
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