CN109440629A - Assembled steel web plate composite box joist steel web and precast slab connecting structure - Google Patents
Assembled steel web plate composite box joist steel web and precast slab connecting structure Download PDFInfo
- Publication number
- CN109440629A CN109440629A CN201811335867.7A CN201811335867A CN109440629A CN 109440629 A CN109440629 A CN 109440629A CN 201811335867 A CN201811335867 A CN 201811335867A CN 109440629 A CN109440629 A CN 109440629A
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- China
- Prior art keywords
- plate
- steel web
- steel
- concrete
- web
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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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 113
- 239000010959 steel Substances 0.000 title claims abstract description 113
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 21
- 238000010586 diagram Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Assembled steel web plate composite box joist steel web and precast slab connecting structure, to significantly improve steel web box girder bridge construction efficiency, shorten the construction period.Including concrete roof, concrete floor, and the steel web that vertical both ends form a fixed connection with concrete roof, concrete floor respectively.The concrete roof, concrete floor are precast member for reinforcing bar concrete, and pre-buried connecting elements is arranged in the connecting portion connecting with steel web, and steel web is welded to connect or is detachably connected by the exposure portion of connecting elements and the pre-buried connecting elements.
Description
Technical field
The present invention relates to bridge, in particular to a kind of assembled steel web plate composite box joist steel web and precast slab connect
Connect construction.
Background technique
Steel web plate composite box girder structure is exactly the web by the higher steel of intensity instead of concrete box girder, steel web and
By shearing key connection between roof and floor, the composite structure that steel and concrete respectively play its speciality is formd.Using steel abdomen
The self weight of bridge superstructure can be greatly lowered in plate, this area poor in geological conditions, and economic benefit is particularly evident.Together
When, concrete web is replaced with the higher steel web of shearing strength, it is (continuous can targetedly to solve Long Span Continuous Rigid-Frame Structure
Beam) bridge cracking in webs and the excessive problem of beam body downwarp due to caused by cracking in webs, thus this structure has wide answer
Use prospect.
Steel web plate composite box girder is all made of the construction work of steel web lifting installation, box beam roof and floor concrete cast-in-situ at present
Skill, from applicable cases, this method is to saving duration limited use, and steel web and roof and floor concrete when cast in situs
Between quality of connection be not easy to guarantee, thus provide a kind of structural form that is novel, being remarkably improved construction efficiency have and its
Important meaning.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of assembled steel web plate composite box joist steel webs to mix with prefabricated
Concrete board connecting structure, to significantly improve steel web box girder bridge construction efficiency, shorten the construction period.
The technical solution adopted by the present invention to solve the technical problems is as follows:
Assembled steel web plate composite box joist steel web of the present invention and precast slab connecting structure, including concrete top
Plate, concrete floor, and the steel web that vertical both ends form a fixed connection with concrete roof, concrete floor respectively,
Be characterized in: the concrete roof, concrete floor are precast member for reinforcing bar concrete, the connecting portion connecting with steel web
Pre-buried connecting elements is set, and steel web is by the exposure portion of connecting elements and pre-buried connecting elements welded connecting or detachably
Connection.
The pre-buried connecting elements is made of bottom plate, vertical connecting plate and WELDING STUDS, and WELDING STUDS is lateral, longitudinal gap is laid
On the inner plate surface of bottom plate, vertical connecting plate is weldingly fixed in the outer plate surface of bottom plate；On the bottom plate inner plate surface with concrete
Top plate, concrete floor plate face are closely connected, WELDING STUDS Transducers Embedded in Concrete top plate, concrete floor, and vertical connecting plate is pre-buried connection
The exposure portion of component.
The connecting elements includes left side junction steel plate, right side junction steel plate, and left side junction steel plate plate face and steel web erect
It fitting to the left side side wall of connecting plate, right side junction steel plate plate face and the right sidewall of steel web, vertical connecting plate fit,
And vertical covering steel web, vertical connecting plate interconnecting piece certain altitude.
The invention has the advantages that can securely be connected as one steel web and concrete roof, concrete floor, tie
Structure is safe and reliable, and the workload that field cast-in-place coagulation pours is greatly reduced, and easy construction is remarkably improved steel web box girder bridge
Construction efficiency shortens the construction period, is conducive to improve construction quality；It is assembled by steel web and concrete roof, concrete floor
Formed steel web plate composite box girder, steel web, concrete roof and concrete floor use batch production Prefabrication, the quality of production and
The readily available guarantee of assembling accuracy.
Detailed description of the invention
This specification includes following five width attached drawing:
Fig. 1 is a kind of section of assembled steel web plate composite box joist steel web and precast slab connecting structure of the present invention
Figure；
Fig. 2 is concrete top in assembled steel web plate composite box joist steel web of the present invention and precast slab connecting structure
The structural schematic diagram of plate connecting portion；
Fig. 3 is concrete bottom in assembled steel web plate composite box joist steel web of the present invention and precast slab connecting structure
The structural schematic diagram of plate connecting portion；
Fig. 4 is the cross-sectional view of the line A-A along Fig. 1；
Fig. 5 is connecting portion in assembled steel web plate composite box joist steel web of the present invention and precast slab connecting structure
Structural schematic diagram.
Component and corresponding label: concrete roof 10, concrete floor 11 be shown in figure, pre-buried connecting elements 12,
Bottom plate 12a, vertical connecting plate 12b, WELDING STUDS 12c, steel web 20, left side junction steel plate 30a, right side junction steel plate 30b, bolt
31。
Specific embodiment
The present invention is further described with example with reference to the accompanying drawing.
Referring to Fig.1, assembled steel web plate composite box joist steel web of the invention and precast slab connecting structure, including
Concrete roof 10, concrete floor 11, and vertical both ends form with concrete roof 10, concrete floor 11 fix respectively
The steel web 20 of connection.The concrete roof 10, concrete floor 11 are precast member for reinforcing bar concrete, with steel web
Pre-buried connecting elements 12 is arranged in the connecting portion of 20 connections, and steel web 20 passes through connecting elements and the pre-buried connecting elements 12
Exposure portion is welded to connect or is detachably connected.Steel web 20 can securely be connect with concrete roof 10, concrete floor 11
It is integrated, structure is safe and reliable, and the workload that field cast-in-place coagulation pours is greatly reduced, and easy construction is remarkably improved steel
Web box girder bridge construction efficiency shortens the construction period, is conducive to improve construction quality.By steel web 20 and concrete roof 10,
Concrete floor 11 is assembled to form steel web plate composite box girder, steel web 20, concrete roof 10, concrete floor 11 and connection
Component etc. uses batch production Prefabrication, the quality of production and the readily available guarantee of assembling accuracy.
Referring to Fig. 2 and Fig. 3, the pre-buried connecting elements 12 is by bottom plate 12a, vertical connecting plate 12b and WELDING STUDS 12c structure
At WELDING STUDS 12c is lateral, longitudinal gap is laid on the inner plate surface of bottom plate 12a, and vertical connecting plate 12b is weldingly fixed on bottom plate
In the outer plate surface of 12a.It is closely connected with concrete roof 10,11 plate face of concrete floor on the bottom plate 12a inner plate surface, WELDING STUDS
In 12c Transducers Embedded in Concrete top plate 10, concrete floor 11, vertical connecting plate 12b is the exposure portion of pre-buried connecting elements 12.
Referring to Fig.1, Fig. 4 and Fig. 5, the connecting elements include left side junction steel plate 30a, right side junction steel plate 30b, left side
Junction steel plate 30a plate face and the left side side wall of steel web 20, vertical connecting plate 12b fit, right side junction steel plate 30b plate face with
Steel web 20, vertical connecting plate 12b right sidewall fit, and vertical covering steel web 20, vertical connecting plate 12b interconnecting piece
Certain altitude.
The left side junction steel plate 30a, right side junction steel plate 30b and steel web 20, vertical connecting plate 12b welding.Or
As shown in Figure 4, Figure 5, the connecting elements further includes longitudinal, vertical on left side junction steel plate 30a, right side junction steel plate 30b
It is spaced the bolt 31 set in a row, row's bolt 31 passes through left side junction steel plate 30a, vertical connecting plate 12b and connects steel with right side
Three is connected as one by plate 30b, and another row's bolt 31 passes through left side junction steel plate 30a, steel web 20 and right side junction steel plate
Three is connected as one by 30b.
The present invention has the characteristics that structure is safe and reliable, easy construction, concrete roof, the concrete floor of plant produced
It lifts installation at the scene with steel web and is assembled to form steel-concrete combined structure, cast-in-place concrete construction is changed into steel construction
Connection work, can substantially reduce the workload of field cast-in-place concrete construction, improve construction efficiency, shorten the construction period.
The above is explain through diagrams assembled steel web plate composite box joist steel web of the present invention and precast slab connecting structure
Some principles, be not intended to for the present invention to be confined to shown in and the specific structure and the scope of application in, therefore it is all
The corresponding modification that may be utilized and equivalent belong to the applied the scope of the patents of the present invention.
Claims (5)
1. assembled steel web plate composite box joist steel web and precast slab connecting structure, including it is concrete roof (10), mixed
Solidifying soil bottom plate (11), and the steel that vertical both ends form a fixed connection with concrete roof (10), concrete floor (11) respectively
Web (20), it is characterized in that: the concrete roof (10), concrete floor (11) they are precast member for reinforcing bar concrete, with
Pre-buried connecting elements (12) is arranged in the connecting portion of steel web (20) connection, and steel web (20) passes through connecting elements and the pre-buried company
The exposure portion of connection member (12) is welded to connect or is detachably connected.
2. assembled steel web plate composite box joist steel web as described in claim 1 and precast slab connecting structure, special
Sign is: the pre-buried connecting elements (12) is made of bottom plate (12a), vertical connecting plate (12b) and WELDING STUDS (12c), WELDING STUDS
(12c) is lateral, longitudinal gap is laid on the inner plate surface of bottom plate (12a), and vertical connecting plate (12b) is weldingly fixed on bottom plate
In the outer plate surface of (12a)；It is closely connected with concrete roof (10), concrete floor (11) plate face on bottom plate (12a) inner plate surface,
In WELDING STUDS (12c) Transducers Embedded in Concrete top plate (10), concrete floor (11), vertical connecting plate (12b) is pre-buried connecting elements
(12) exposure portion.
3. assembled steel web plate composite box joist steel web as claimed in claim 2 and precast slab connecting structure, special
Sign is: the connecting elements includes left side junction steel plate (30a), right side junction steel plate (30b), left side junction steel plate (30a) plate
Face and the left side side wall of steel web (20), vertical connecting plate (12b) fit, right side junction steel plate (30b) plate face and steel web
(20), the right sidewall of vertical connecting plate (12b) fits, and vertical covering steel web (20), vertical connecting plate (12b) connection
Portion's certain altitude.
4. assembled steel web plate composite box joist steel web as claimed in claim 3 and precast slab connecting structure, special
Sign is: the left side junction steel plate (30a), right side junction steel plate (30b) and steel web (20), vertical connecting plate (12b) weld.
5. assembled steel web plate composite box joist steel web as claimed in claim 2 and precast slab connecting structure, special
Sign is: the connecting elements further includes longitudinally, being vertically partitioned on left side junction steel plate (30a), right side junction steel plate (30b)
The bolt (31) of setting is arranged, row's bolt (31) passes through left side junction steel plate (30a), vertical connecting plate (12b) is connected with right side
Three is connected as one by steel plate (30b), and another row's bolt (31) passes through left side junction steel plate (30a), steel web (20) and the right side
Three is connected as one by side junction steel plate (30b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335867.7A CN109440629A (en) | 2018-11-11 | 2018-11-11 | Assembled steel web plate composite box joist steel web and precast slab connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335867.7A CN109440629A (en) | 2018-11-11 | 2018-11-11 | Assembled steel web plate composite box joist steel web and precast slab connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109440629A true CN109440629A (en) | 2019-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811335867.7A Pending CN109440629A (en) | 2018-11-11 | 2018-11-11 | Assembled steel web plate composite box joist steel web and precast slab connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109440629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117931A (en) * | 2019-06-18 | 2019-08-13 | 中南大学 | Prefabricated PC combined box beam |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1117111A (en) * | 1963-12-16 | 1968-06-12 | Christiani And Nielsen Ltd | Improvements in or relating to composite steel and concrete structures |
| CN201003143Y (en) * | 2006-11-16 | 2008-01-09 | 东南大学 | Assembled type prestressed concrete combined box girder |
| CN206571049U (en) * | 2017-03-09 | 2017-10-20 | 河南省交通规划设计研究院股份有限公司 | Precast block formula secondary prestress Wavelike steel webplate combination beam |
| CN206570675U (en) * | 2017-03-09 | 2017-10-20 | 河南省交通规划设计研究院股份有限公司 | The pretensioned prestressing corrugated steel web plate composite box girder of precast block |
| CN206570672U (en) * | 2017-03-09 | 2017-10-20 | 河南省交通规划设计研究院股份有限公司 | The box beam of full assembled steel-concrete combined structure |
| CN209260532U (en) * | 2018-11-11 | 2019-08-16 | 中铁二院工程集团有限责任公司 | Assembled steel web plate composite box joist steel web and precast slab connecting structure |
-
2018
- 2018-11-11 CN CN201811335867.7A patent/CN109440629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1117111A (en) * | 1963-12-16 | 1968-06-12 | Christiani And Nielsen Ltd | Improvements in or relating to composite steel and concrete structures |
| CN201003143Y (en) * | 2006-11-16 | 2008-01-09 | 东南大学 | Assembled type prestressed concrete combined box girder |
| CN206571049U (en) * | 2017-03-09 | 2017-10-20 | 河南省交通规划设计研究院股份有限公司 | Precast block formula secondary prestress Wavelike steel webplate combination beam |
| CN206570675U (en) * | 2017-03-09 | 2017-10-20 | 河南省交通规划设计研究院股份有限公司 | The pretensioned prestressing corrugated steel web plate composite box girder of precast block |
| CN206570672U (en) * | 2017-03-09 | 2017-10-20 | 河南省交通规划设计研究院股份有限公司 | The box beam of full assembled steel-concrete combined structure |
| CN209260532U (en) * | 2018-11-11 | 2019-08-16 | 中铁二院工程集团有限责任公司 | Assembled steel web plate composite box joist steel web and precast slab connecting structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117931A (en) * | 2019-06-18 | 2019-08-13 | 中南大学 | Prefabricated PC combined box beam |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20190308 |