CN110144805B - Highway bridge with anti transverse force - Google Patents
Highway bridge with anti transverse force Download PDFInfo
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- CN110144805B CN110144805B CN201910565629.3A CN201910565629A CN110144805B CN 110144805 B CN110144805 B CN 110144805B CN 201910565629 A CN201910565629 A CN 201910565629A CN 110144805 B CN110144805 B CN 110144805B
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- transverse
- vertical
- roof beam
- bridge
- buffer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000003139 buffering effect Effects 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 19
- 239000010959 steel Substances 0.000 abstract description 19
- 239000000725 suspension Substances 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension 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
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a highway bridge with transverse force resistance, which relates to the field of highway bridges and comprises main ridge beams, side ridge beams and a bridge deck support, wherein the two sides of each main ridge beam are provided with the side ridge beams, the bridge deck support is connected to the outer side close to the two side ridge beams, the bridge deck support comprises an inner connecting support, an outer connecting support and a steel bar net rack, a concrete layer is poured outside the steel bar net rack, the surface of the concrete layer is provided with a plurality of vertically downward water guide holes, and the outer side wall close to the outer connecting support is provided with water guide grooves. In the invention, a plurality of transverse buffer columns arranged on the side wall of the inner connecting support are inserted into transverse buffer slots arranged on the outer side wall of the side ridge beam in a matching way, and extension springs are connected between the inner end ends of the transverse buffer columns and the inner parts of the transverse buffer slots.
Description
Technical Field
The invention relates to the field of highway bridges, in particular to a highway bridge with transverse force resistance.
Background
The suspension bridge is mainly applicable to large-span and extra-large-span highway bridges, and is a main form of a large-span bridge. In some river-crossing or sea-crossing suspension bridges, because the suspension bridges are influenced by lateral wind, particularly the suspension bridges with double lanes and wider bridge decks are more easily influenced by strong wind, reinforcing steel bars inside bridge bodies of the suspension bridges are easily bent laterally, and the use of the suspension bridges is influenced; in rainy days, water is easy to accumulate on the bridge surface of the suspension bridge, and vehicles are easy to slip when the suspension bridge runs, so that traffic accidents are easy to cause.
In addition, although the prior art adopts a spring telescopic structure arranged inside a bridge structure to realize the stress generated by the structural deformation during the shaking process of the shell, such as patent documents CN103306197A, CN107401115A and CN206646398U, in the design, only the elastic force of the spring is relied on, so the buffering force is concentrated at the spring installation position, the acting force is limited, and the deformation easily occurs at the spring installation position due to the stress concentration. Furthermore, the sensor placement for detecting the effect of stress damping in the above-mentioned solutions and the reliability of the sensor signal are limited.
Disclosure of Invention
The present invention is directed to a road bridge with lateral force resistance to solve the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a highway bridge with anti transverse force comprises a main ridge beam, side ridge beams and a bridge deck support, wherein the main ridge beam is a long-strip support body with a cross section in a convex shape, the two sides of the main ridge beam are respectively provided with the side ridge beams, the side ridge beams are long-strip support bodies with a cross section in a 7 shape, the upper surfaces of the two side edges of the main ridge beam are provided with a plurality of longitudinal buffer slotted holes, the longitudinal buffer slotted holes are uniformly distributed along the length direction of the main ridge beam, the lower surface of a transverse plate of each side ridge beam is welded with a plurality of vertical downward longitudinal buffer columns, the longitudinal buffer columns are inserted into the longitudinal buffer slotted holes in a matched mode, a damping spring is connected between the lower ends of the longitudinal buffer columns and the bottoms of the longitudinal buffer slotted holes, the outer side of two side ridge beams is connected with the bridge deck support, the bridge deck support comprises an inner connecting support, an outer connecting support and a reinforcing steel bar net rack, the outer side wall of each side ridge beam is provided, a plurality of transverse buffer slot holes are uniformly arranged along the length direction of the side ridge beam, a plurality of transverse buffer columns are welded on one side wall of the inner connecting bracket close to the side ridge beam, and a plurality of transverse buffer columns are inserted in the plurality of transverse buffer slotted holes in a matching way, an extension spring is connected between the inner end of each transverse buffer column and the inner part of each transverse buffer slotted hole, a steel bar net rack is welded between the inner connecting bracket and the outer connecting bracket, the steel bar net rack is a reticular steel bar rack formed by welding transverse steel bars and longitudinal steel bars, a concrete layer is poured outside the steel bar net rack, a plurality of perpendicular decurrent water conservancy diversion holes have been seted up on the concrete layer surface, hug closely outer linking bridge's lateral wall is equipped with water conservancy diversion slot, and water conservancy diversion slot passes through bolt and outer linking bridge's lateral wall fixed connection, and wherein adjacent vertical buffering slotted hole highly satisfies with horizontal buffering slotted hole setting: the bottom end of the hole wall of the longitudinal buffer groove hole is higher than the bottom end of the hole wall of the transverse buffer groove hole, a first elastic layer is arranged at the contact position of the lower vertical side part of the main ridge beam of the convex structure and the 7-shaped vertical section of the side ridge beam, a second elastic layer is arranged at the contact position of the higher vertical side part of the main ridge beam of the convex structure and the 7-shaped horizontal section of the side ridge beam, and the first elastic layer and the second elastic layer are internally embedded with a stress sensing unit.
Preferably, a distance of 1-2cm is reserved between the transverse plate of the side ridge beam and the upper surface of the side edge of the main ridge beam, and the vertical plate of the side ridge beam is tightly attached to two side walls of the main ridge beam.
Preferably, the lower end of the longitudinal buffer column is in a convex shape, and the lower end of the longitudinal buffer column is clamped in the longitudinal buffer slot hole.
Preferably, the tangent plane of the inner end of the transverse buffer column is a convex body, and the inner end of the transverse buffer column is arranged in the transverse buffer slot hole.
Preferably, the side surface of the side ridge beam, which is attached to the inner connecting support, is provided with two transversely arranged reinforcing strips, and the two reinforcing strips are respectively clamped at the upper part and the lower part of the transverse buffer column.
Preferably, the water guide hole penetrates through a gap between the transverse steel bar and the longitudinal steel bar of the steel bar net rack, and the water guide hole penetrates out of the lower surface of the concrete layer.
The invention has the technical effects and advantages that:
1. according to the invention, a plurality of transverse buffer columns arranged on the side wall of the inner connecting support are inserted into transverse buffer groove holes formed in the outer side wall of the side ridge beam in a matching manner, and extension springs are connected between the inner end ends of the transverse buffer columns and the inner parts of the transverse buffer groove holes;
2. according to the invention, the plurality of water guide holes are formed in the surface of the concrete layer, when water accumulates on the upper surface of the concrete layer in rainy days, water is guided out along the water guide holes, so that the water accumulation on the upper surface of the concrete layer is prevented, and when more rainwater exists, the rainwater flows into the water guide grooves on the two sides of the concrete layer and is guided and discharged by the water guide grooves, so that excessive water accumulation on the upper surface of the concrete layer is prevented.
3. Set up two elastic layers on the main ridge beam structure as intermediate structure to and the ingenious dislocation design of spring buffering hole position, make the even dispersion of elastic impact force whole bridge main part bearing structure, and reduced the destruction to the spring mounting hole, can reduce the comprehensive deformation that the main ridge beam received, set up the true internal stress that the bridge received that can objective reaction of stress sensing unit can be in first second elastic layer this moment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a cross-sectional view taken at B-B in fig. 2.
In the figure: 1. a main ridge beam; 2. a side ridge beam; 3. a bridge deck support; 4. an inner connecting bracket; 5. an outer connecting bracket; 6. a steel bar net rack; 7. a water guide groove; 8. a reinforcing strip; 9. a concrete layer; 10. a water guide hole; 11. a longitudinal buffer slot; 12. a longitudinal buffer column; 13. a transverse buffer slot; 14. and a transverse buffer column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a road bridge with transverse force resistance as shown in figures 1-4, which comprises a main ridge beam 1, side ridge beams 2 and a bridge deck support 3, and is combined with figures 1 and 3, wherein the main ridge beam 1 is a long strip support body with a cross section in a convex shape, the two sides of the main ridge beam 1 are respectively provided with the side ridge beams 2, the side ridge beams 2 are long strip support bodies with a cross section in a 7 shape, the transverse boards of the side ridge beams 2 are clamped above the side edges of the main ridge beam 1 and are supported by the transverse boards of the main ridge beam 1, the vertical boards of the side ridge beams 2 are tightly attached to the two side walls of the main ridge beam 1, the upper surfaces of the two side edges of the main ridge beam 1 are provided with a plurality of longitudinal buffer slotted holes 11, the longitudinal buffer slotted holes 11 are uniformly distributed along the length direction of the main ridge beam 1, the lower surfaces of the transverse boards of the side ridge beams 2 are welded with a plurality of vertical downward longitudinal buffer columns 12, and a plurality of longitudinal buffer columns 12 are inserted in the longitudinal buffer slots 11 in a matching way, the cut surfaces of the lower ends of the longitudinal buffer columns 12 are in a shape like a Chinese character 'tu', the lower ends of the longitudinal buffer columns 12 are clamped in the longitudinal buffer slots 11 to prevent the side ridge beam 2 from being disconnected with the main ridge beam 1, a damping spring is connected between the lower end of the longitudinal buffer column 12 and the bottom of the longitudinal buffer slot 11, and a 1-2cm distance is reserved between the transverse plate of the side ridge beam 2 and the upper surface of the side edge of the main ridge beam 1 and used for buffering the distance in the vertical direction.
Referring to fig. 2 and 3, the outer sides of two side ridge beams 2 are connected with a bridge deck support 3, the bridge deck support 3 comprises an inner connecting support 4, an outer connecting support 5 and a reinforcing steel bar net rack 6, the outer side wall of each side ridge beam 2 is provided with a plurality of transverse buffer slots 13, the transverse buffer slots 13 are uniformly arranged along the length direction of the side ridge beam 2, a plurality of transverse buffer columns 14 which are transversely arranged are welded on one side wall of the inner connecting support 4 close to the side ridge beam 2, the transverse buffer columns 14 are inserted into the transverse buffer slots 13 in a matched manner, the cross section of the inner ends of the transverse buffer columns 14 is in a convex shape, the inner ends of the transverse buffer columns 14 are arranged inside the transverse buffer slots 13 in an opening manner, the inner connecting support 4 is prevented from being disconnected from the side ridge beams 2, a tension spring is connected between the inner ends of the transverse buffer columns 14 and the inner parts of the transverse buffer slots 13, a distance of 1-2cm is reserved between the outer side wall of the side ridge beam, the side wall buffer distance is reserved, when the wind power generator receives wind power with transverse action, the extension spring connected between the inner end of the transverse buffer column 14 and the inside of the transverse buffer slot hole 13 is used for buffering the acting force, as shown in fig. 3, two transversely arranged reinforcing strips 8 are clamped on the side face, attached to the inner connecting support 4, of the side ridge beam 2, the two reinforcing strips 8 are respectively clamped on the upper portion and the lower portion of the transverse buffer column 14, and the reinforcing strips 8 are used for reinforcing the connection between the side ridge beam 2 and the inner connecting support 4 to play a role in supporting in the vertical direction. Wherein the adjacent vertical buffer slot 11 and the horizontal buffer slot 13 are arranged with a height satisfying: the bottom end of the hole wall of the longitudinal buffer groove hole 11 is higher than the bottom end of the hole wall of the transverse buffer groove hole 13, a first elastic layer is arranged at the contact position of the lower vertical side part of the main ridge beam 1 of the convex structure and the 7-shaped vertical section of the side ridge beam 2, a second elastic layer is arranged at the contact position of the higher vertical side part of the main ridge beam 1 of the convex structure and the 7-shaped horizontal section of the side ridge beam 2, and a stress sensing unit is embedded in the first elastic layer and the second elastic layer
Referring to fig. 1 and 4, a steel bar net rack 6 is welded between the inner connecting bracket 4 and the outer connecting bracket 5, the steel bar net rack 6 is a mesh-shaped steel bar rack formed by welding transverse steel bars and longitudinal steel bars, a concrete layer 9 is poured outside the steel bar net rack 6, and the steel bar net rack 6 and the concrete layer 9 form a main supporting panel of a bridge floor.
Referring to fig. 1 and 2, a plurality of water guide holes 10 which are vertically downward are formed in the surface of the concrete layer 9, the water guide holes 10 penetrate through gaps between the transverse reinforcing steel bars and the longitudinal reinforcing steel bars of the reinforcing steel bar net rack 6, the water guide holes 10 penetrate through the lower surface of the concrete layer 9, when water is accumulated on the upper surface of the concrete layer 9 in rainy days, water is guided out along the water guide holes 10, water accumulation on the upper surface of the concrete layer 9 is prevented, a water guide groove 7 is arranged on the outer side wall tightly attached to the outer connecting support 5, the water guide groove 7 is fixedly connected with the outer side wall of the outer connecting support 5 through bolts, when the rainwater is excessive, the rainwater flows into the water guide groove 7, water is guided and discharged through the water guide groove 7, and excessive water accumulation on the upper surface of the concrete layer 9 is.
The working principle of the invention is as follows: in the invention, the transverse boards of the side ridge beam 2 are clamped on the upper surfaces of the side edges of the two sides of the main ridge beam 1, a plurality of vertical downward longitudinal buffer columns 12 are arranged on the lower surface of the transverse board of the side ridge beam 2 and are matched and inserted in a plurality of longitudinal buffer slotted holes 11 formed in the upper surface of the side edge of the main ridge beam 1, and a damping spring is connected between the lower ends of the longitudinal buffer columns 12 and the inner parts of the longitudinal buffer slotted holes 11, thus playing a role in buffering the bridge deck in the vertical direction; the outside of side spine beam 2 is connected with bridge floor support 3, specifically is: a plurality of transverse buffer columns 14 arranged on the side wall of an inner connecting support 4 in the bridge deck support 3 are inserted into transverse buffer groove holes 13 formed in the outer side wall of the side ridge beam 2 in a matched mode, extension springs are connected between the inner end ends of the transverse buffer columns 14 and the inner portions of the transverse buffer groove holes 13, and when the bridge deck support receives wind power with transverse action, the extension springs connected between the inner ends of the transverse buffer columns 14 and the inner portions of the transverse buffer groove holes 13 are used for buffering the acting force; the surface of the concrete layer 9 is provided with a plurality of water guide holes 10, when water accumulates on the upper surface of the concrete layer 9 in rainy days, the water is guided out along the water guide holes 10, so that the water accumulation on the upper surface of the concrete layer 9 is prevented, when more rainwater exists, the rainwater flows into the water guide grooves 7 on the two sides of the concrete layer 9, and is guided and discharged by the water guide grooves 7, so that the excessive water accumulation on the upper surface of the concrete layer 9 is prevented.
In addition, when horizontal and vertical comprehensive movement is generated by transverse wind, the whole stress of the bridge is transmitted to the springs in the longitudinal buffer slot 11 and the transverse buffer slot 13, the generated spring extrusion force is further transmitted to the first elastic layer and the second elastic layer, and the first elastic layer and the second elastic layer are integrated with the whole main ridge beam 1, so that the elastic impact force is uniformly dispersed to the whole bridge main body supporting structure, and the damage to the spring mounting holes is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. A highway bridge with anti transverse force, includes main ridge roof beam (1), side ridge roof beam (2) and bridge floor support (3), its characterized in that: main ridge roof beam (1) is the rectangular stake body of "protruding" font for the tangent plane, and the both sides of main ridge roof beam (1) all are provided with side ridge roof beam (2), side ridge roof beam (2) are the rectangular stake body of "7" font for the tangent plane, a plurality of vertical buffering slotted holes (11) have been seted up to two lateral margins upper surfaces of main ridge roof beam (1), and a plurality of vertical buffering slotted holes (11) set up along the length direction evenly distributed of main ridge roof beam (1), and the welding of the horizontal board lower surface of side ridge roof beam (2) has a plurality of vertical decurrent vertical buffering post (12), and a plurality of vertical buffering post (12) cooperation is inserted and is established in a plurality of vertical buffering slotted holes (11), is connected with damping spring between the lower extreme of vertical buffering post (12) and the bottom of vertical buffering slotted hole (11), and hugs closely the outside of two side ridge roof beams (2) and is connected with bridge floor support (3), support (3) include inner connecting support (4), Outer linking bridge (5) and reinforcing bar rack (6), a plurality of horizontal buffering slotted holes (13) have been seted up to the lateral wall of side spine roof beam (2), a plurality of horizontal buffering slotted holes (13) evenly set up along the length direction of side spine roof beam (2), a plurality of horizontal buffering post (14) that transversely set up have been welded to a lateral wall that inner linking bridge (4) were close to side spine roof beam (2), and a plurality of horizontal buffering post (14) cooperation are inserted and are established inside a plurality of horizontal buffering slotted holes (13), be connected with tension spring between the inner of horizontal buffering post (14) and the inside of horizontal buffering slotted hole (13), the welding has reinforcing bar rack (6) between inner linking bridge (4) and outer linking bridge (5), reinforcing bar rack (6) is by the netted reinforcing bar frame that horizontal reinforcing bar and longitudinal reinforcement welded constitute, concrete layer (9) has been pour to the outside of reinforcing bar rack (6), a plurality of vertical decurrent water guide hole (10) have been seted up on concrete layer (9) surface, a water guide groove (7) is arranged on the outer side wall tightly attached to the outer connecting support (5), the water guide groove (7) is fixedly connected with the outer side wall of the outer connecting support (5) through a bolt, the water guide holes (10) penetrate through the gap between the transverse reinforcing steel bar and the longitudinal reinforcing steel bar of the reinforcing steel bar net rack (6), the water guide holes (10) penetrate through the lower surface of the concrete layer (9), the cut surface of the lower end of the longitudinal buffer column (12) is a convex body, the lower end of the longitudinal buffer column (12) is clamped in the longitudinal buffer slotted hole (11), the cut surface of the inner end of the transverse buffer column (14) is a convex body, and the inner end of the transverse buffer column (14) is arranged in the transverse buffer slotted hole (13);
wherein the adjacent longitudinal buffer slot (11) and the transverse buffer slot (13) are arranged at the height satisfying: the bottom end of the hole wall of the longitudinal buffer groove hole (11) is higher than the bottom end of the hole wall of the transverse buffer groove hole (13), a first elastic layer is arranged at the contact position of the lower vertical side part of the main ridge beam (1) of the convex structure and the 7-shaped vertical section of the side ridge beam (2), a second elastic layer is arranged at the contact position of the higher vertical side part of the main ridge beam (1) of the convex structure and the 7-shaped horizontal section of the side ridge beam (2), and a stress sensing unit is embedded in the first elastic layer and the second elastic layer.
2. A road bridge according to claim 1, characterised in that: and a distance of 1-2cm is reserved between the transverse plate of the side ridge beam (2) and the upper surface of the side edge of the main ridge beam (1), and the vertical plate of the side ridge beam (2) is tightly attached to the two side walls of the main ridge beam (1).
3. A road bridge according to claim 1 or 2, characterised in that: the side surface of the side ridge beam (2) which is attached to the inner connecting support (4) is provided with two transversely arranged reinforcing strips (8), and the two reinforcing strips (8) are respectively clamped at the upper part and the lower part of the transverse buffer column (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565629.3A CN110144805B (en) | 2019-06-27 | 2019-06-27 | Highway bridge with anti transverse force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565629.3A CN110144805B (en) | 2019-06-27 | 2019-06-27 | Highway bridge with anti transverse force |
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| Publication Number | Publication Date |
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| CN110144805A CN110144805A (en) | 2019-08-20 |
| CN110144805B true CN110144805B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910565629.3A Active CN110144805B (en) | 2019-06-27 | 2019-06-27 | Highway bridge with anti transverse force |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113957788A (en) * | 2021-11-02 | 2022-01-21 | 束龙 | Bridge stress panel prefabricated part |
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| CN106638259A (en) * | 2017-02-16 | 2017-05-10 | 上海市城市建设设计研究总院（集团）有限公司 | Upper structure of prefabricated cover-beam-free type combined steel plate bridge and assembling construction method of upper structure |
| CN206784178U (en) * | 2017-03-22 | 2017-12-22 | 中交二航局结构工程有限公司 | A kind of bridge panel structure |
| CN206859055U (en) * | 2017-06-16 | 2018-01-09 | 周培森 | Damping bridge floor attachment structure |
| JP2018076733A (en) * | 2016-11-11 | 2018-05-17 | オリエンタル白石株式会社 | Method of constructing connection structure of precast structural member and material cured with time |
| CN207469090U (en) * | 2017-09-27 | 2018-06-08 | 曹长环 | A kind of bridge floor attachment device for being used to connect bridge floor simply supported girder bridge |
| CN109137718A (en) * | 2018-09-27 | 2019-01-04 | 中交公路规划设计院有限公司 | Lightweight steel-coarse aggregate Reactive Powder Concrete combined beam structure |
-
2019
- 2019-06-27 CN CN201910565629.3A patent/CN110144805B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204703066U (en) * | 2015-06-09 | 2015-10-14 | 中铁第四勘察设计院集团有限公司 | The built-in cable channel in inter-city passenger rail T beam sidewalk |
| JP2018076733A (en) * | 2016-11-11 | 2018-05-17 | オリエンタル白石株式会社 | Method of constructing connection structure of precast structural member and material cured with time |
| CN106638259A (en) * | 2017-02-16 | 2017-05-10 | 上海市城市建设设计研究总院（集团）有限公司 | Upper structure of prefabricated cover-beam-free type combined steel plate bridge and assembling construction method of upper structure |
| CN206784178U (en) * | 2017-03-22 | 2017-12-22 | 中交二航局结构工程有限公司 | A kind of bridge panel structure |
| CN206859055U (en) * | 2017-06-16 | 2018-01-09 | 周培森 | Damping bridge floor attachment structure |
| CN207469090U (en) * | 2017-09-27 | 2018-06-08 | 曹长环 | A kind of bridge floor attachment device for being used to connect bridge floor simply supported girder bridge |
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