CN109487687A - A kind of prefabricated subsection piecemeal steel reinforced concrete combination bridge tower - Google Patents
A kind of prefabricated subsection piecemeal steel reinforced concrete combination bridge tower Download PDFInfo
- Publication number
- CN109487687A CN109487687A CN201811199024.9A CN201811199024A CN109487687A CN 109487687 A CN109487687 A CN 109487687A CN 201811199024 A CN201811199024 A CN 201811199024A CN 109487687 A CN109487687 A CN 109487687A
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- China
- Prior art keywords
- steel
- piecemeal
- steel case
- case
- reinforced concrete
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- 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.)
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- 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
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
Abstract
The invention discloses a kind of prefabricated subsection piecemeal steel reinforced concretes to combine bridge tower, including multiple along bridge tower short transverse sequentially connected prefabricated subsection upwards；Prefabricated subsection includes left steel case piecemeal, right steel case piecemeal and intermediate steel reinforced concrete combination piecemeal, passes through welded connecting between adjacent piecemeal；It includes peripheral steel case and steel case inner panel that steel reinforced concrete, which combines piecemeal, and peripheral steel case encloses rectangular, internal precast concrete and reserved mud jacking duct with steel case inner panel jointly；WELDING STUDS is additionally provided on steel case inner panel；Connection is respectively welded in the left steel case piecemeal and right steel case piecemeal of two neighboring prefabricated subsection, and the concrete of steel reinforced concrete combination piecemeal is connected by wet seam.The prefabricated and assembled of segment can carry out simultaneously, not only can guarantee construction quality, moreover it is possible to improve construction efficiency, shorten the construction period, use suitable for the bridge tower that cast-in-place construction method is limited or transport capacity deficiency is regional.Steel-concrete combined structure has given full play to the compressive property of concrete and the anti-bending strength of steel case, and structure stress is clear, good economy performance.
Description
Technical field
The present invention relates to bridge construction technical field, specifically a kind of prefabricated subsection piecemeal steel reinforced concrete combines bridge tower.
Background technique
Currently, the Longspan Bridges bridge tower common type such as suspension bridge, cable-stayed bridge mainly has concrete bridge tower, steel bridge tower and mixes
Close bridge tower.The advantages such as concrete bridge tower has section rigidity big, and bearing capacity is strong are suitable for load-bearing requirements height, operation stage tower
Push up the relatively small bridge structure of deviation.But concrete bridge tower anti-bending strength is poor, not applicable for the middle tower of multispan bridge, there is one
Fixed application limitation.Steel bridge tower and mixing bridge tower have stronger anti-bending strength, are suitable for various bridge types.Its major defect is bridge
Tower section rigidity is small, and bears pressure with steel, less economical.In addition, anticorrosion of steel structure be also design in emphasis consider ask
Topic.In conclusion three of the above often all has certain use defect with bridge tower.
The common construction method of Longspan Bridge bridge tower has cast-in-place method and assembled method.Both construction method technology maturations,
Easy construction is widely used.But for the bridge construction of some Special sections (such as High aititude, long-term low temp area), climate,
The influence of temperature, concrete pouring quality will receive very big influence.Furthermore the transport of high altitude localities concrete is also a disaster
Topic, will be by biggish restriction using cast-in-place method construction bridge tower.Bridge tower construction is carried out by the method for precast assembly, in precasting yard
It is interior to complete bridge tower precast segment, it transports to construction site assembly, it is prefabricated, assembled to carry out simultaneously.By work progress modularization, no
It only can guarantee the quality of construction, moreover it is possible to greatly improve construction efficiency, shorten the construction period.Suitable for height above sea level, temperature is low, constructs
The bridge tower construction in construction period height and the limited area of transport capacity.
Summary of the invention
The object of the present invention is to provide a kind of prefabricated subsection piecemeal steel reinforced concretes to combine bridge tower.
Realize that the technical solution of the object of the invention is as follows:
A kind of prefabricated subsection piecemeal steel reinforced concrete combination bridge tower, including it is multiple sequentially connected prefabricated upwards along bridge tower short transverse
Segment (17)；The prefabricated subsection (17) includes left steel case piecemeal (12), right steel case piecemeal (14) and intermediate steel reinforced concrete combination piecemeal
(13), pass through welded connecting between adjacent piecemeal；It includes peripheral steel case and steel case inner panel (8), periphery that steel reinforced concrete, which combines piecemeal (13),
Steel case encloses rectangular jointly with steel case inner panel (8), and internal precast concrete (2) is simultaneously reserved mud jacking duct (11)；Steel case inner panel
(8) WELDING STUDS (5) are additionally provided on；Left steel case piecemeal (12) the He Yougang case piecemeal (14) of two neighboring prefabricated subsection (17) point
It is not welded to connect, the concrete (2) that steel reinforced concrete combines piecemeal (13) is connected by wet seam (16).
Further technical solution is: steel reinforced concrete combination piecemeal (13) further includes for being arranged in the steel of elevator (7)
Case (9), case (9) is located in the rectangle of steel case inner panel (8) enclosing in steel, passes through steel of putting more energy into steel case inner panel (8) and peripheral steel case
Plate (10) welds, and is additionally provided with PBL shear connector (6) and/or WELDING STUDS (5) on stiffened steel plates (10).
Interchangeable technical solution is: the periphery steel case encloses rectangular, replacement are as follows: steel with steel case inner panel (8) jointly
Case inner panel (8) encloses circle, and is welded to peripheral steel case.
Further technical solution is: steel reinforced concrete combination piecemeal (13) further includes for being arranged in the steel of elevator (7)
Case (9), case (9) is located in the circle of steel case inner panel (8) enclosing in steel, with steel case inner panel (8) by stiffened steel plates (10) welding,
PBL shear connector (6) and/or WELDING STUDS (5) are additionally provided on stiffened steel plates (10).
Further technical solution is the another kind of above scheme 1 or 3: the left steel case piecemeal (12) and/or right steel case point
The inside of block (14) is additionally provided with elevator (7).
Prefabricated subsection piecemeal steel reinforced concrete provided by the invention combines bridge tower, and bridge tower divides three pieces on cross section, along bridge tower height
Several segments in direction point, prefabricated each segment in precasting yard are transported to construction site assembly.The prefabricated and assembled of segment can be simultaneously
Carry out, not only can guarantee construction quality, moreover it is possible to improve construction efficiency, shorten the construction period, be suitable for cast-in-place construction method it is limited or
Transport capacity is insufficient, and regional bridge tower uses.In addition, steel-concrete combined structure has given full play to the compressive property and steel case of concrete
Anti-bending strength, structure stress is clear, good economy performance.
Detailed description of the invention
Fig. 1 is I schematic diagram of prefabricated subsection piecemeal steel reinforced concrete composite bridge tower section form of the invention.
Fig. 2 is I three-dimensional cutaway view of prefabricated subsection piecemeal steel reinforced concrete composite bridge tower section form of the invention.
Fig. 3 is prefabricated subsection piecemeal steel reinforced concrete composite bridge tower section form ii schematic diagram of the invention
Fig. 4 is the three-dimensional cutaway view of prefabricated subsection piecemeal steel reinforced concrete composite bridge tower section form ii of the invention.
Fig. 5 is III schematic diagram of prefabricated subsection piecemeal steel reinforced concrete composite bridge tower section form of the invention.
Fig. 6 is IV schematic diagram of prefabricated subsection piecemeal steel reinforced concrete composite bridge tower section form of the invention.
Fig. 7 is connection schematic diagram between prefabricated subsection piecemeal steel reinforced concrete combination bridge tower segment of the invention.
In figure, 1. steel outer containers, 2. concrete, 3. ribbed stiffeners, 4. steel case webs, 5. WELDING STUDSs, 6.PBL shear connector, 7. electricity
Stair shaft, 8. steel case inner panels, case in 9. steel, 10. stiffened steel plates, 11. mud jacking ducts, 12. piecemeals one, 13. piecemeals two, 14. piecemeals
Three, 15. welding, 16. wet seams, 17. segment, 1,18. segment, 2,19. stock inlet, 20. grout outlets.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
In the present invention, the king-post center of bridge tower uses concrete material or steel reinforced concrete combined material, and king-post two sides use steel
Empty van structure is formed, steel case is connect with concrete using PBL shear connector and (or) WELDING STUDS.King-post center is set according to elevator
Seated position difference can be made into solid or hollow structure, and round or rectangular in form can be used in section.Bridge tower divides three pieces on cross section,
Along several segments of bridge tower short transverse point.Steel plate welds between each piece, and mud jacking duct and wet seam are reserved in concrete, assembled complete
At post-grouting mud jacking duct, compacting, the connection between concrete segment is completed.
In Fig. 1 and prefabricated subsection piecemeal steel reinforced concrete shown in Fig. 2 combination bridge tower embodiment, elevator is arranged in concrete knot
Inside structure, middle section be it is hollow, steel box structure 1 use ribbed stiffener 3 and web 4 carry out construction reinforcement to guarantee that steel plate is locally steady
Fixed, the combination of steel box structure 1 and 9, steel plate structure 10 and concrete structure 2 is engaged using WELDING STUDS 5 and (or) PBL shear connector 6
Mode be attached, steel plate structure 10 and steel case inner plate structure 8, steel box structure 9 are connect by the way of welding.Steel box structure
It is welded to connect between (piecemeal 1, piecemeal 3) and steel-concrete combined structure (piecemeal 2) by steel plate.The steel between bridge tower short transverse segment
Case by being welded to connect, reserve mud jacking duct, connected between concrete segment by wet seam by inner concrete part.
In Fig. 3 and prefabricated subsection piecemeal steel reinforced concrete shown in Fig. 4 combination bridge tower embodiment, elevator is arranged in steel box structure
Inside, middle section be it is solid, steel box structure 1 use ribbed stiffener 3 and web 4 carry out construction reinforcement to guarantee that steel plate is locally steady
Fixed, the combination of steel box structure 1 and concrete structure 2 is attached by the way of the engagement of WELDING STUDS 5.Steel box structure (piecemeal 1,
Piecemeal 3) and steel-concrete combined structure (piecemeal 2) between pass through steel plate be welded to connect.Steel case passes through between bridge tower short transverse segment
It is welded to connect, inner concrete part is reserved mud jacking duct, connected between concrete segment by wet seam.
In Fig. 5 and prefabricated subsection piecemeal steel reinforced concrete shown in fig. 6 combination bridge tower embodiment, only by intermediate concrete portion
Point section circular form is changed to by rectangular in form, internal connection type is identical as rectangular section, can accordingly referring to Fig.1,
Connection type described in Fig. 3.
Claims (5)
1. a kind of prefabricated subsection piecemeal steel reinforced concrete combines bridge tower, which is characterized in that including it is multiple along bridge tower short transverse upwards successively
The prefabricated subsection (17) of connection；The prefabricated subsection (17) includes left steel case piecemeal (12), right steel case piecemeal (14) and intermediate steel
It is mixed to combine piecemeal (13), pass through welded connecting between adjacent piecemeal；It includes in peripheral steel case and steel case that steel reinforced concrete, which combines piecemeal (13),
Plate (8), peripheral steel case enclose rectangular, internal precast concrete (2) and reserved mud jacking duct with steel case inner panel (8) jointly
(11)；WELDING STUDS (5) are additionally provided on steel case inner panel (8)；The left steel case piecemeal (12) of two neighboring prefabricated subsection (17) and the right side
Connection is respectively welded in steel case piecemeal (14), and the concrete (2) that steel reinforced concrete combines piecemeal (13) is connected by wet seam (16).
2. a kind of prefabricated subsection piecemeal steel reinforced concrete as described in claim 1 combines bridge tower, which is characterized in that the steel reinforced concrete combination point
Block (13) further includes for case (9) in the steel of elevator (7) to be arranged, and case (9) is located at the rectangle of steel case inner panel (8) enclosing in steel
It is interior, it is welded with steel case inner panel (8) and peripheral steel case by stiffened steel plates (10), PBL shearing is additionally provided on stiffened steel plates (10)
Key (6) and/or WELDING STUDS (5).
3. a kind of prefabricated subsection piecemeal steel reinforced concrete as described in claim 1 combines bridge tower, which is characterized in that the periphery steel case with
Steel case inner panel (8) encloses rectangular, replacement are as follows: steel case inner panel (8) encloses circle, and is welded to peripheral steel case jointly.
4. a kind of prefabricated subsection piecemeal steel reinforced concrete as claimed in claim 3 combines bridge tower, which is characterized in that the steel reinforced concrete combination point
Block (13) further includes for case (9) in the steel of elevator (7) to be arranged, and case (9) is located at the circle of steel case inner panel (8) enclosing in steel
It is interior, welded with steel case inner panel (8) by stiffened steel plates (10), be additionally provided on stiffened steel plates (10) PBL shear connector (6) and/or
WELDING STUDS (5).
5. a kind of prefabricated subsection piecemeal steel reinforced concrete as claimed in claim 1 or 3 combines bridge tower, which is characterized in that the left steel case
The inside of piecemeal (12) and/or right steel case piecemeal (14) is additionally provided with elevator (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199024.9A CN109487687A (en) | 2018-10-15 | 2018-10-15 | A kind of prefabricated subsection piecemeal steel reinforced concrete combination bridge tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199024.9A CN109487687A (en) | 2018-10-15 | 2018-10-15 | A kind of prefabricated subsection piecemeal steel reinforced concrete combination bridge tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109487687A true CN109487687A (en) | 2019-03-19 |
Family
ID=65690330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199024.9A Pending CN109487687A (en) | 2018-10-15 | 2018-10-15 | A kind of prefabricated subsection piecemeal steel reinforced concrete combination bridge tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN109487687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287085A (en) * | 2020-01-08 | 2020-06-16 | 中铁大桥勘测设计院集团有限公司 | Novel steel-concrete combined stay cable tower anchoring structure and construction method thereof |
| CN114319104A (en) * | 2021-12-13 | 2022-04-12 | 江苏沪宁钢机股份有限公司 | Irregular box-shaped bridge tower node and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3788310B2 (en) * | 2001-10-25 | 2006-06-21 | Ｊｆｅエンジニアリング株式会社 | Composite main tower and its construction method |
| CN102747684A (en) * | 2012-07-23 | 2012-10-24 | 西南交通大学 | Compound-section bridge tower for long-span bridge |
| CN102864737A (en) * | 2012-09-11 | 2013-01-09 | 天津市市政工程设计研究院 | Steel-structured passenger foot bridge |
| CN203065957U (en) * | 2013-01-27 | 2013-07-17 | 长安大学 | PBL stiffened concrete structure of thin-walled steel box |
-
2018
- 2018-10-15 CN CN201811199024.9A patent/CN109487687A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3788310B2 (en) * | 2001-10-25 | 2006-06-21 | Ｊｆｅエンジニアリング株式会社 | Composite main tower and its construction method |
| CN102747684A (en) * | 2012-07-23 | 2012-10-24 | 西南交通大学 | Compound-section bridge tower for long-span bridge |
| CN102864737A (en) * | 2012-09-11 | 2013-01-09 | 天津市市政工程设计研究院 | Steel-structured passenger foot bridge |
| CN203065957U (en) * | 2013-01-27 | 2013-07-17 | 长安大学 | PBL stiffened concrete structure of thin-walled steel box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287085A (en) * | 2020-01-08 | 2020-06-16 | 中铁大桥勘测设计院集团有限公司 | Novel steel-concrete combined stay cable tower anchoring structure and construction method thereof |
| CN114319104A (en) * | 2021-12-13 | 2022-04-12 | 江苏沪宁钢机股份有限公司 | Irregular box-shaped bridge tower node and manufacturing method thereof |
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Application publication date: 20190319 |