CN115976933A - Temporary trestle structure for expansion joint of end beam of suspension bridge - Google Patents
Temporary trestle structure for expansion joint of end beam of suspension bridge Download PDFInfo
- Publication number
- CN115976933A CN115976933A CN202211613619.0A CN202211613619A CN115976933A CN 115976933 A CN115976933 A CN 115976933A CN 202211613619 A CN202211613619 A CN 202211613619A CN 115976933 A CN115976933 A CN 115976933A
- Authority
- CN
- China
- Prior art keywords
- bridge
- support structure
- bearing
- expansion joint
- support
- 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
- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010426 asphalt Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a temporary trestle structure of an expansion joint of an end beam of a suspension bridge, which relates to the field of bridge construction and comprises the following components: a main bridge structure; the bridge approach structure is provided with a groove; one end of the first supporting structure is arranged on the main bridge structure, and the other end of the first supporting structure is arranged on the groove; and a second support structure disposed on the groove; wherein, be provided with the space on the second bearing structure, first bearing structure is including stretching into the end, stretch into the end stretch into to in the space, the space can hold stretch out and draw back the length of stretching into the end, this temporary landing stage structure of suspension bridge end beam expansion joint can guarantee that the main bridge structure has the flexible deformation in sufficient position under the temperature load effect.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a temporary trestle structure for an expansion joint of an end beam of a suspension bridge.
Background
In the process of bridge construction, the suspension bridge all needs to set up an expansion joint device that satisfies the deflection and is connected with the approach bridge in end beam department, so as to satisfy the free flexible of bridge along the bridge horizontal and longitudinal direction under the temperature effect, play and adjust the displacement and the connection effect between the superstructure that arouse by vehicle load and bridge dead weight, and the main bridge expansion joint is generally being installed after the bridge deck pavement is accomplished, however, before the main bridge expansion joint installation, in order to satisfy the current and the demand of mating formation of equipment and construction vehicles etc. in the bridge deck pavement stage, must set up a interim expansion joint in main bridge expansion joint department and be used for passing.
Bridge expansion joint is an elastic device who sets up in bridge section end roof beam department, before the construction of current bridge expansion joint, its reservation notch position department generally fills the expansion joint through filling sand bag, the gravel bag, abandonment template etc. to satisfy the current requirement of vehicle that paves on road surface, but it has main bridge structure not enough position flexible deformation to lead to the limited problem of deflection under the temperature load effect in this structure, in addition, this structure still has the later stage clearance difficulty, the construction vehicle jumps easily when current, embedded bar warp the scheduling problem.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a temporary trestle structure for the expansion joint of the end beam of the suspension bridge, which can ensure that the main bridge structure has enough position expansion deformation under the temperature load action.
The invention is realized by adopting the following technical scheme:
the utility model provides a suspension bridge end beam expansion joint temporary landing stage structure, includes: a main bridge structure; the bridge approach structure is provided with a groove; one end of the first supporting structure is arranged on the main bridge structure, and the other end of the first supporting structure is arranged on the groove; and a second support structure disposed on the groove; wherein, be provided with the space on the second bearing structure, first bearing structure is including stretching the end, stretch into the end stretch into to in the space, the space can hold stretch out the flexible length of end.
Preferably, the first support structure includes a plurality of first bearing beams, the second support structure includes a plurality of second bearing beams, a space is provided between adjacent second bearing beams, each space constitutes the space, the first bearing beams correspond to the spaces one by one, and each first bearing beam sequentially extends into the corresponding space.
Preferably, the length of each first load-bearing beam is a, and the length of each second load-bearing beam is b, with a =2.5b to 3.5b.
Preferably, the first support structure includes link rods, and the link rods are respectively connected with the parts of the first bearing beams between the main bridge structure and the approach bridge structure.
Preferably, a cushion block is arranged in a gap between the first supporting structure and the groove, and the cushion block is respectively abutted against the first supporting structure and the groove.
Preferably, the main bridge structure comprises a main bridge and a support frame, the support frame is arranged on the side face of the main bridge, the first support structure is arranged on the support frame, and the first support structure is abutted to the main bridge.
Preferably, the bridge access structure further comprises a panel, the panel is arranged above the first support structure and the second support structure, and one end of the panel close to the bridge access structure extends out of the end part of the second support structure to cover the edge of the groove.
Preferably, the end of the panel adjacent the access structure extends beyond the end of the second support structure by a length greater than 20cm.
Preferably, the panel is connected to the first support structure and the panel is in contact with the second support structure.
Preferably, a vertical supporting structure is arranged at a position of the first supporting structure, which is close to the end part of the approach bridge structure.
Compared with the prior art, the invention has the beneficial effects that: the temporary trestle structure of the expansion joint of the end beam of the suspension bridge can be applied to a reserved slot at the expansion joint before the bridge deck is paved with an asphalt pavement, can connect a main bridge structure and an approach bridge structure before the formal expansion joint of the main bridge structure is installed, is used for the traffic of pavement asphalt paving equipment, and ensures that the main bridge structure has enough position expansion deformation under the action of temperature load.
Drawings
Fig. 1 is a schematic side view of a temporary trestle structure for expansion joints of end beams of a suspension bridge according to an embodiment of the invention.
Fig. 2 is a schematic top view of a temporary trestle structure with an expansion joint of an end beam of a suspension bridge according to an embodiment of the invention.
Reference numerals: 1. a main bridge structure; 2. an approach bridge structure; 3. a groove; 4. a first support structure; 5. a second support structure; 6. a space; 7. an extending end; 8. a first load beam; 9. a second load-bearing beam; 10. spacing; 11. a link rod; 12. cushion blocks; 13. a main bridge; 14. a support frame; 15. a support plate; 16. a bracket board; 17. a panel.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 2, a preferred embodiment of the temporary trestle structure for an expansion joint of an end beam of a suspension bridge in the present invention includes: a main bridge structure 1; the bridge approach structure 2 is characterized in that a groove 3 is formed in the bridge approach structure 2; one end of the first supporting structure 4 is arranged on the main bridge structure 1, and the other end of the first supporting structure 4 is arranged on the groove 3; and a second support structure 5, the second support structure 5 being arranged on the recess 3; wherein, be provided with space 6 on the second bearing structure 5, first bearing structure 4 is including stretching into end 7, stretches into end 7 and stretches into to space 6 in, and space 6 can hold the flexible length of stretching into end 7. The temporary trestle structure for the expansion joint of the end beam of the suspension bridge can be applied to a groove reserved at the expansion joint before a bridge deck is paved with an asphalt pavement, can connect the main bridge structure 1 and the approach bridge structure 2 before the formal expansion joint of the main bridge structure 1 is installed, is used for passing pavement asphalt paving equipment, and ensures that the main bridge structure 1 has enough position expansion deformation under the action of temperature load.
As a preferred embodiment of the temporary trestle structure with the expansion joint of the end beam of the suspension bridge, the temporary trestle structure can also have the following additional technical characteristics:
referring to fig. 2, in this embodiment, the first support structure 4 includes a plurality of first bearing beams 8, the second support structure 5 includes a plurality of second bearing beams 9, a space 10 is provided between adjacent second bearing beams 9, each space 10 constitutes a space 6, the first bearing beams 8 correspond to the spaces 10 one by one, each first bearing beam 8 sequentially extends into the corresponding space 10, so that the first support structure 4 and the second support structure 5 are arranged in a comb-tooth shape, the first support structure 4 and the second support structure 5 are arranged in a staggered manner, the bridge can be deformed in a reciprocating manner in the bridge axis direction, and the accommodating space 6 for the bridge to be deformed in a reciprocating manner is sufficient, high in safety and good in stability. In other embodiments, the space 6 provided by the second support structure 5 can be any suitable structure that can enable the first support structure 4 to extend into, and can enable the bridge to have a sufficient telescopic deformation position, but is not limited to this.
In this embodiment, the distance between the adjacent first spandrel girder 8 and the distance between the adjacent second spandrel girder 9 are 40cm, should arrange the influence of the embedded bar in the interval has mainly been considered bridge approach structure 2, distance between the adjacent embedded bar is 20cm, because there is the deviation in the actual mounted position of the embedded bar of bridge approach structure 2, can do suitable adjustment according to actual conditions when actually arranging, the interval increment after the adjustment must not exceed 5cm, guarantee sufficient structural strength and do not influence current, the security is high.
In this embodiment, the length of each first bearing beam 8 is a, and the length of each second bearing beam 9 is b, where a =3b, and the length ratio is the optimal length ratio, so that the implementation effect of the temporary trestle structure for the end beam expansion joint of the suspension bridge of the present invention is optimal, the structural stability is good, and the security is high. In other embodiments, any length ratio of a =2.5b to 3.5b may be selected in addition to a =3 b.
Referring to fig. 1, in the present embodiment, the first support structure 4 includes link rods 11, and the link rods 11 are respectively connected to the first bearing beams 8 between the main bridge structure 1 and the approach bridge structure 2, so that the link rods 11 serve to transversely connect the first bearing beams 8, the first support structure 4 is formed in a grid shape, and the overall transverse stability of the first support structure 4 is better. In other embodiments, other suitable structures that enable each first load beam 8 to be connected to increase overall lateral stability are not limited thereto.
In the present embodiment, the length of link 11 covers the lateral length of first support structure 4, thus making the overall lateral stability of first support structure 4 better and safer.
In this embodiment, a cushion block 12 is disposed in a gap between the first support structure 4 and the groove 3, the cushion block 12 is abutted to the first support structure 4 and the groove 3, due to the shape design of the approach bridge structure 2 itself, the bottom surface of the groove 3 is disposed in an inclined manner, so that the height of one side of the groove 3 close to the main bridge structure 1 is lower than the height of the other side of the groove 3, a gap may exist between the first support structure 4 and the bottom surface of the groove 3 under the influence of a height difference, and a portion of the first support structure 4 above the gap may be deformed if not being effectively supported. In other embodiments, other suitable structures may be used instead of the spacer 12 to support the first support structure 4 and adjust the linear shape of the first support structure 4, but not limited thereto.
In this embodiment, main bridge structure 1 includes main bridge 13 and support frame 14, support frame 14 sets up in main bridge 13 side, first bearing structure 4 sets up on support frame 14, first bearing structure 4 and main bridge 13 butt, so make support frame 14 support first bearing structure 4's one end effectively, and simultaneously, main bridge 13's flexible deformation can transmit first bearing structure 4, first bearing structure 4 receives the flexible deformation influence of main bridge 13 and can moves in the space 6 of second bearing structure 5, thereby provide sufficient position for main bridge 13's flexible deformation, and the security is better, and stability is higher.
In this embodiment, the supporting frame 14 includes a supporting plate 15 and a plurality of leg plates 16, each leg plate 16 is disposed on the steel box girder of the main bridge 13 at an interval 10, the supporting plate 15 is disposed on each leg plate 16 in a transverse direction, the length of the supporting plate 15 covers the transverse length of the first supporting structure 4, and the supporting plate 15 is connected with each first bearing beam 8 and each leg plate 16, so that the supporting frame 14 has a simple structure and good structural stability. In other embodiments, the support frame 14 may also adopt any suitable structure for supporting the first support structure 4, and is not limited thereto.
In this embodiment, still include panel 17, panel 17 sets up in first bearing structure 4 and second bearing structure 5's top, panel 17 is close to the one end of approach structure 2 and stretches out second bearing structure 5 tip and cover recess 3 edge, first bearing structure 4 and second bearing structure 5 can support panel 17 effectively, panel 17 is whole to be leveled, the top surface of panel 17 is in the same direction as the bridge floor of connecing main bridge 13 and the bridge floor of approach bridge to guarantee the demand of driving a vehicle, simple structure, stability is good.
In this embodiment, the end of the panel 17 close to the approach structure 2 adopts gas cutting to cut the angle, so that the construction vehicle can pass smoothly and the safety is higher.
In this embodiment, the length of the end of the panel 17 close to the access bridge structure 2 extending out of the end of the second support structure 5 is greater than 20cm, so as to protect the concrete at the right angle of the access bridge structure 2 close to the groove 3 from being fractured, and the safety is high.
In this embodiment, the panel 17 is connected to the first supporting structure 4, and the panel 17 is in contact with the second supporting structure 5, so that the second supporting structure 5 only supports the panel 17 without being connected to adapt to the telescopic deformation of the main bridge 13, and the structure is simple and the reliability is high.
In the present embodiment, the panel 17 and the first supporting structure 4 are connected by spot welding at the edge of the contact surface of the two, and one spot welding is arranged at intervals of 10cm, the spot welding length is not shorter than 1cm, and the above parameters are the best implementation parameters, and the structure stability is good and the safety is high.
In this embodiment, the position that first bearing structure 4 is close to access bridge structure 2 tip is provided with vertical bearing structure, so when making first bearing structure 4 can obtain effective support, can reduce the resistance that main bridge 13 flexible deformation received, structural stability is good, and the security is high.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a suspension bridge end beam expansion joint temporary trestle structure which characterized in that includes:
a main bridge structure (1);
the bridge approach structure (2), wherein a groove (3) is arranged on the bridge approach structure (2);
one end of the first supporting structure (4) is arranged on the main bridge structure (1), and the other end of the first supporting structure (4) is arranged on the groove (3); and
a second support structure (5), said second support structure (5) being arranged on said recess (3);
wherein, be provided with space (6) on second bearing structure (5), first bearing structure (4) are including stretching into end (7), stretch into end (7) stretch into extremely in space (6), space (6) can hold stretch out and draw back length of end (7).
2. The temporary trestle structure of expansion joints of end beams of a suspension bridge according to claim 1, wherein the first support structure (4) comprises a plurality of first bearing beams (8), the second support structure (5) comprises a plurality of second bearing beams (9), spaces (10) are arranged between adjacent second bearing beams (9), each space (10) forms the space (6), the first bearing beams (8) correspond to the spaces (10) one by one, and each first bearing beam (8) sequentially extends into the corresponding space (10).
3. The temporary trestle structure for expansion joints of end beams of suspension bridges according to claim 2, characterized in that the length of each first bearing beam (8) is a, the length of each second bearing beam (9) is b, and a =2.5 b-3.5 b.
4. The temporary trestle structure of expansion joints of end girders of suspension bridges according to claim 2, characterized in that the first support structure (4) comprises link rods (11), and the link rods (11) are respectively connected with the parts of the first bearing girders (8) between the main bridge structure (1) and the approach bridge structure (2).
5. The suspension bridge end beam expansion joint temporary trestle structure according to claim 1, characterized in that a cushion block (12) is arranged in the gap between the first support structure (4) and the groove (3), and the cushion block (12) is respectively abutted against the first support structure (4) and the groove (3).
6. The temporary trestle structure of expansion joint of end beam of suspension bridge according to claim 1, characterized in that said main bridge structure (1) comprises a main bridge (13) and a support frame (14), said support frame (14) is arranged at the side of main bridge (13), said first support structure (4) is arranged on said support frame (14), said first support structure (4) is abutted with said main bridge (13).
7. The suspension bridge end beam expansion joint temporary trestle structure according to claim 1, further comprising a panel (17), wherein the panel (17) is arranged above the first support structure (4) and the second support structure (5), and one end of the panel (17) close to the approach bridge structure (2) extends out of the end of the second support structure (5) to cover the edge of the groove (3).
8. The suspension bridge end beam expansion joint temporary trestle structure according to claim 7, characterized in that the length of the end of the panel (17) close to the approach bridge structure (2) extending out of the end of the second support structure (5) is more than 20cm.
9. The suspension bridge end beam expansion joint temporary trestle structure according to claim 7, characterized in that said panel (17) is connected with said first support structure (4), said panel (17) being in contact with said second support structure (5).
10. The temporary trestle structure of expansion joints of end girders of suspension bridges according to claim 1, characterized in that a vertical support structure is arranged at a position of the first support structure (4) close to the end of the approach bridge structure (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211613619.0A CN115976933A (en) | 2022-12-15 | 2022-12-15 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211613619.0A CN115976933A (en) | 2022-12-15 | 2022-12-15 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115976933A true CN115976933A (en) | 2023-04-18 |
Family
ID=85965832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211613619.0A Pending CN115976933A (en) | 2022-12-15 | 2022-12-15 | Temporary trestle structure for expansion joint of end beam of suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115976933A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1540100A (en) * | 2003-10-30 | 2004-10-27 | 湖南大学 | Complete seamless bridge in road |
| KR100814388B1 (en) * | 2007-08-28 | 2008-03-18 | 노윤근 | A bridge lifting method during vehicle passing |
| CN108360373A (en) * | 2018-02-13 | 2018-08-03 | 陕西恒宇工程材料有限公司 | Modular multi-directional deflection comb plate bridge expansion device |
| CN108396664A (en) * | 2018-04-25 | 2018-08-14 | 中铁大桥局武汉桥梁特种技术有限公司 | The interim telescopic device of bridge |
| CN109930474A (en) * | 2019-04-04 | 2019-06-25 | 中交第三航务工程勘察设计院有限公司 | A kind of connected structure for pile foundation type trestle and barrel type basis |
| CN209307845U (en) * | 2018-11-26 | 2019-08-27 | 衡水路通工程橡胶有限公司 | A kind of modular Multidirectional displacement bridge expansion device |
| KR102060048B1 (en) * | 2019-06-28 | 2019-12-30 | 주식회사 부흥시스템 | Expansion jointing apparatus with anchor member for minimizing impact and damage due to reaction force |
| JP6640945B1 (en) * | 2018-09-11 | 2020-02-05 | 鹿島建設株式会社 | Construction method of pier structure and pier structure |
| CN111676812A (en) * | 2020-06-30 | 2020-09-18 | 宁波路宝科技实业集团有限公司 | Telescopic device for preventing suspension bridge from shaking |
| CN212688688U (en) * | 2020-07-02 | 2021-03-12 | 浙江省交通规划设计研究院有限公司 | Trestle expansion joint expansion device |
| CN112853962A (en) * | 2021-03-05 | 2021-05-28 | 上海汇城建筑装饰有限公司 | Comb-shaped expansion device for bridge with longitudinal displacement and vertical rotation |
| CN114517442A (en) * | 2022-03-10 | 2022-05-20 | 中国市政工程西南设计研究总院有限公司 | Simple expansion joint structure of pedestrian bridge |
| CN114525726A (en) * | 2022-03-21 | 2022-05-24 | 中铁大桥局第七工程有限公司 | Bailey beam construction trestle expansion joint system and construction method |
| CN114837062A (en) * | 2022-06-06 | 2022-08-02 | 广东省源天工程有限公司 | Steel trestle connecting platform |
-
2022
- 2022-12-15 CN CN202211613619.0A patent/CN115976933A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1540100A (en) * | 2003-10-30 | 2004-10-27 | 湖南大学 | Complete seamless bridge in road |
| KR100814388B1 (en) * | 2007-08-28 | 2008-03-18 | 노윤근 | A bridge lifting method during vehicle passing |
| CN108360373A (en) * | 2018-02-13 | 2018-08-03 | 陕西恒宇工程材料有限公司 | Modular multi-directional deflection comb plate bridge expansion device |
| CN108396664A (en) * | 2018-04-25 | 2018-08-14 | 中铁大桥局武汉桥梁特种技术有限公司 | The interim telescopic device of bridge |
| JP6640945B1 (en) * | 2018-09-11 | 2020-02-05 | 鹿島建設株式会社 | Construction method of pier structure and pier structure |
| CN209307845U (en) * | 2018-11-26 | 2019-08-27 | 衡水路通工程橡胶有限公司 | A kind of modular Multidirectional displacement bridge expansion device |
| CN109930474A (en) * | 2019-04-04 | 2019-06-25 | 中交第三航务工程勘察设计院有限公司 | A kind of connected structure for pile foundation type trestle and barrel type basis |
| KR102060048B1 (en) * | 2019-06-28 | 2019-12-30 | 주식회사 부흥시스템 | Expansion jointing apparatus with anchor member for minimizing impact and damage due to reaction force |
| CN111676812A (en) * | 2020-06-30 | 2020-09-18 | 宁波路宝科技实业集团有限公司 | Telescopic device for preventing suspension bridge from shaking |
| CN212688688U (en) * | 2020-07-02 | 2021-03-12 | 浙江省交通规划设计研究院有限公司 | Trestle expansion joint expansion device |
| CN112853962A (en) * | 2021-03-05 | 2021-05-28 | 上海汇城建筑装饰有限公司 | Comb-shaped expansion device for bridge with longitudinal displacement and vertical rotation |
| CN114517442A (en) * | 2022-03-10 | 2022-05-20 | 中国市政工程西南设计研究总院有限公司 | Simple expansion joint structure of pedestrian bridge |
| CN114525726A (en) * | 2022-03-21 | 2022-05-24 | 中铁大桥局第七工程有限公司 | Bailey beam construction trestle expansion joint system and construction method |
| CN114837062A (en) * | 2022-06-06 | 2022-08-02 | 广东省源天工程有限公司 | Steel trestle connecting platform |
Non-Patent Citations (1)
| Title |
|---|
| 杜晓蒙等: "建筑垃圾及工业固废筑路材料", 30 November 2019, 中国建筑工业出版社, pages: 172 - 174 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105568853A (en) | Large-span steel concrete combined truss girder side position transverse movement and girder dropping construction method | |
| CN108678438A (en) | Overhead station | |
| CN105133493B (en) | Embedded track structure suitable for middle-span and small-span bridge and construction method | |
| CN113123232A (en) | Rigid splicing joint structure for splicing wide bridge | |
| CN108677679A (en) | Overhead steel reinforced concrete combination beam | |
| KR101399839B1 (en) | Transition track structure of railway bridge deck end and Construction method | |
| CN105178164A (en) | Prefabricated lifting fish-belly corrugated steel web internal-prestress combined box beam and construction method thereof | |
| CN115976933A (en) | Temporary trestle structure for expansion joint of end beam of suspension bridge | |
| KR101639401B1 (en) | Transition track structure of railway bridge deck end and Construction method | |
| KR101262755B1 (en) | Plate girder railway bridge having integrated cross beam and construction method using the same | |
| CN102535358A (en) | Construction technology for broadening and reforming rigidity matching system of hollow slab bridge | |
| CN105696455A (en) | Box type web simply supported U-shaped girder of double-track railway | |
| US6581848B1 (en) | Sleeper frame for a rail system for rail-mounted vehicles, especially for a ballasted track | |
| CN211522828U (en) | Bridge stop device and bridge | |
| CN205443925U (en) | Modularization, Large deflection , multidirectional telescoping device and bridge of shifting | |
| WO2005085528A1 (en) | Railway rail, elongate rail support therefor and method of construction | |
| CN210733897U (en) | Structural unit with contact net box type roadbed and traffic line | |
| CN210134300U (en) | Monorail car track mounting node | |
| CN110144805B (en) | Highway bridge with anti transverse force | |
| CN207828712U (en) | A kind of straddle-type monorail composite bridge track | |
| CN111733714A (en) | Beam column node structure of overhead station and interval bridge | |
| CN113863122B (en) | Multipurpose main tower beam structure and bridge | |
| CN207469076U (en) | Overbridge widens modulus type expansion gap device | |
| CN220827709U (en) | Reinforcing device for arch bridge suspender beam | |
| CN205035729U (en) | Internal prestressing force of prefabricated hoist and mount fish belly wave form steel web combination case roof beam |
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 |