CN102031750B - Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete - Google Patents
Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete Download PDFInfo
- Publication number
- CN102031750B CN102031750B CN2010105731081A CN201010573108A CN102031750B CN 102031750 B CN102031750 B CN 102031750B CN 2010105731081 A CN2010105731081 A CN 2010105731081A CN 201010573108 A CN201010573108 A CN 201010573108A CN 102031750 B CN102031750 B CN 102031750B
- Authority
- CN
- China
- Prior art keywords
- steel
- purlin
- bolt
- truss web
- pbl
- 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.)
- Active
Links
Images
Abstract
The invention relates to a node structure of a T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete. A node position is provided with two truss web steel tubes. In a longitudinal direction, the two truss web steel tubes are oppositely arranged in an lambdoid shape, and intersection positions are respectively vertically cut. Cut surfaces are respectively welded with steel plates for sealing, and the cut surface steel plates are provided with bolt holes and penetrated reinforcing steel bar holes. The cut surface steel plates of the two truss web steel tubes are riveted together through common bolts, therefore, the two truss web steel tubes are connected into a whole in the longitudinal direction. In a transverse direction, two sides of each truss web steel tube are respectively provided with a perforated steel plate, and the two perforated steel plates are provided with corresponding penetrated reinforcing steel bar holes and bolt holes. Meanwhile, the inner side of each truss web steel tube is also provided with a bolt hole, and the bolts penetrate through the two perforated steel plates and the truss web steel tubes for riveting.
Description
Technical field
The invention belongs to the civil structure field, be specifically related to be used for a kind of purlin abdomen steel pipe of steel purlin abdomen combination box beam bridge and the joint structure of concrete slab.
Background technology
Steel purlin abdomen prestressed concrete composite beam bridge is a kind of novel combination structural bridge; Replace the concrete web in the concrete box girder at textural employing purlin formula steel web member; The web ends node directly is mounted in the concrete flange plate, form by concrete roof, purlin abdomen steel pipe, concrete floor, external and (or) the cooperative combined structure system of prestressing with bond steel bundle.
Node between the formula steel web member of purlin is one of stressed key position of the type bridge construction.Existing abroad at present several kinds of form of architecture joints, but they are respectively having characteristics aspect stress performance and the application property, but certain limitation is also arranged.And it is domestic because the type bridge still in the starting stage, does not also have a kind of purlin uromere point structural form of own intellectual property.Therefore, the wider and steel purlin uromere point that be convenient to construct of a kind of more effective, applicability of research and development is constructed the construction that develops China's steel purlin abdomen combination box beam bridge significant.
Summary of the invention
But the present invention is directed at present external main purlin uromere point and be configured in the shortcoming that aspects such as stress performance and application property exist, from simplified construction, be convenient to construct, improve aspect such as stress performance and proposed a kind of novel steel purlin web member and concrete joint structure.
The technical scheme that realizes the object of the invention is: T-PBL form steel purlin web member and concrete joint structure, the node place is provided with two purlin abdomen steel pipes, vertical bridge to; Said two purlin abdomen steel pipes are " people " font and are provided with in opposite directions; Vertically cut respectively the intersection, and cut surface welding steel respectively seals, on the cut surface steel plate prepared screw-bolt hole with run through reinforced hole; The cut surface steel plate of two purlin abdomen steel pipes is riveted together through plain bolt, make two purlin abdomen steel pipes at vertical bridge to being connected as a single entity; At direction across bridge; Abdomen steel pipe both sides, purlin are respectively equipped with perforate steel plate (being called for short T-PBL), reserve on the two perforate steel plates and run through reinforced hole and bolt hole accordingly, and abdomen steel pipe inboard, purlin also is provided with bolt hole simultaneously; With bolt-through two perforate steel plates and purlin abdomen steel pipe, and rivet.
Concrete building is convenient in the present invention, adds being connected of reinforced concrete and purlin abdomen steel pipe simultaneously.
As further improvement of the present invention, the bolt hole of said reservation need be slightly larger than the diameter of bolt, is convenient to adjust error in the construction.
As further improvement of the present invention, the cut surface of two purlin abdomen steel pipes is reserved and is run through reinforced hole, is convenient to the installation of on-the-spot longitudinal reinforcement.
Beneficial effect of the present invention is:
(1) compares with steel top box joint structure; Steel pipe is through the riveted joint of side steel plate in the T-PBL joint structure of the present invention; All cut the outside in the steel pipe; Do not influence concrete pouring compactness, be easy to guarantee construction quality, and this joint structure and concrete combination can guarantee the co-operation effect;
(2) compare with two sleeve pipe joint structures, T-PBL joint structure bearing capacity and rigidity are higher, and can change ultimate bearing capacity of joints and rigidity through adjustment steel plate thickness, bolt specification and the diameter that runs through reinforcing bar, are applicable to different web member axle power, and applicability is wider;
(3) compare with PBL node (single face perforate steel plate) structure, the T-PBL joint structure not only has the advantage of PBL node structure, and simplifies on the structural form, has significantly reduced the welding job amount, and is easy to make.Bridge roof and floor reinforcing bar all can penetrate by the reserved steel bar through hole from node, has strengthened the stress performance of node, thereby available plain bolt substitutes the high-strength bolt in the PBL joint structure, remarkable in economical benefits.
Description of drawings
Fig. 1 is the embodiment of the invention 1 T-PBL form steel purlin web member and concrete joint structure sketch map;
Fig. 2 is the A---A section of Fig. 1;
Fig. 3 is the B-B section of Fig. 1;
Fig. 4 is the C-C section of Fig. 2;
1.-purlin abdomen steel pipe among the figure, 2-perforate steel plate, 3-bolt, 4-steel plate, 5-bolt hole, 6-reinforcing bar through hole.
The specific embodiment
Further specify below in conjunction with accompanying drawing and embodiment.
As shown in figures 1 and 3, T-PBL form steel purlin web member and concrete joint structure, two purlins, node place abdomen steel pipe 1 is riveted through bolt 3 to two blocks of perforate steel plates 2 that are oppositely arranged of employing (being called for short T-PBL) at vertical bridge.As shown in Figure 4, to reserve on the perforate steel plate 2 and run through reinforced hole 6, the roof and floor transverse reinforcement can penetrate from through hole in the construction.As shown in Figure 3; Vertically cut respectively abdomen steel pipe 1 intersection, direction across bridge two purlin; Cut surface welding steel 4 sealings respectively; Prepared screw-bolt hole 5 and run through reinforced hole 6 on the steel plate 4, through bolt 3 riveted joints with two purlin abdomen steel pipes 1 at vertical bridge to being connected as a single entity, top, base plate longitudinal reinforcement can penetrate through reservation through hole 6 in the construction.Different according to the node stress performance, can change ultimate bearing capacity of joints and rigidity through adjustment perforate steel plate 2 thickness, bolt 3 specifications and the diameter that runs through reinforcing bar, need applicable to the stress performance of different web members.Purlin abdomen steel pipe joint structure is mainly accomplished in factory, comprises the cutting of purlin abdomen steel pipe 1, and the welding of vertical cut surface place steel plate 4, runs through the reservation of reinforced hole 6 etc. at steel plate upper bolt hole 5.Only need use bolt 3 that the steel plate riveted joint is got final product during site operation, bolt hole 5 can be reserved big slightly, so that the error in absorption and the adjustment construction.Also cut at abdomen steel pipe 1 back side, two purlins, and welding steel 4, guarantees running through of longitudinal reinforcement, simultaneously also is convenient to concrete building, and can add combining of reinforced concrete and steel pipe.Therefore, this T-PBL form steel purlin uromere point has simple structure, and easy to make, it is convenient to construct, and supporting capacity is strong, and advantage of wide range of application has stronger practicality and economic benefit.
Manufacturing process of the present invention is following: at first carry out the making of purlin abdomen steel pipe 1 in factory; Node region is cut according to Fig. 3; And oval welding steel 4 is welded on the medial cuts mouth, purlin abdomen steel pipe 1 need be reserved the bolt hole of plain bolt 3 when factory process, and welding steel 4 need be reserved the bolt hole 5 of plain bolt 3 when factory process; Bolt hole need be slightly larger than screw diameter, is convenient to adjust error in the construction; Simultaneously, all need reserved steel bar through hole 6 during factory process.During site operation that back, two purlin abdomen steel pipes, 1 location is fixing with bolt 3 connections, T-PBL steel plate 2 (two steel plates) is clamped two purlin abdomen steel pipes 1, and connect fixing with bolt 3.Construction error can be regulated through bolt.The roof and floor reinforcing bar is penetrated the reinforcing bar through hole, build the roof and floor concrete seven then, form T-PBL joint structure with design bearing capacity and rigidity.
Claims (2)
1.T-PBL form steel purlin web member and concrete joint structure is characterized in that, the node place is provided with two purlin abdomen steel pipes; Vertical bridge to, said two purlin abdomen steel pipes are " people " font and are provided with in opposite directions, vertically cut respectively the intersection; Cut surface welding steel respectively seals; On the cut surface steel plate prepared screw-bolt hole with run through reinforced hole, the cut surface steel plate of two purlin abdomen steel pipes is riveted together through plain bolt, make two purlin abdomen steel pipes at vertical bridge to being connected as a single entity; At direction across bridge, abdomen steel pipe both sides, purlin are respectively equipped with the perforate steel plate, reserve on the two perforate steel plates and run through reinforced hole and bolt hole accordingly, and abdomen steel pipe inboard, purlin also is provided with bolt hole simultaneously, with bolt-through two perforate steel plates and purlin abdomen steel pipe, and rivets.
2. T-PBL form steel purlin web member according to claim 1 and concrete joint structure is characterized in that said prepared screw-bolt hole need be slightly larger than the diameter of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105731081A CN102031750B (en) | 2010-12-04 | 2010-12-04 | Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105731081A CN102031750B (en) | 2010-12-04 | 2010-12-04 | Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102031750A CN102031750A (en) | 2011-04-27 |
| CN102031750B true CN102031750B (en) | 2012-04-18 |
Family
ID=43885153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105731081A Active CN102031750B (en) | 2010-12-04 | 2010-12-04 | Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102031750B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839606A (en) * | 2012-04-26 | 2012-12-26 | 中国十七冶集团有限公司 | Method for pouring concrete in steel tube of steel truss-web box girder |
| CN103243636B (en) * | 2013-04-28 | 2015-04-01 | 李勇 | Spatial panel point structure of steel truss and web PC (poly carbonate) combined bridge and construction method of spatial panel point |
| CN103485275A (en) * | 2013-10-11 | 2014-01-01 | 中铁第一勘察设计院集团有限公司 | Continuous beam-joist combined bridge node structure |
| CN107254835B (en) * | 2017-08-03 | 2023-06-02 | 四川交通职业技术学院 | Integral pier beam embedded connection structure and construction method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024974A (en) * | 2007-03-16 | 2007-08-29 | 北京城建设计研究总院有限责任公司 | Shaped-steel concrete frame-steel supporting structure type steel column preconstraint node |
| CN201254690Y (en) * | 2008-05-16 | 2009-06-10 | 中铁二院工程集团有限责任公司 | Rib truss of steel tube concrete arch bridge |
| CN101831868A (en) * | 2010-05-07 | 2010-09-15 | 同济大学 | Connecting node structure of steel rod elements and concrete plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3251890B2 (en) * | 1997-10-23 | 2002-01-28 | 新日本製鐵株式会社 | Joint structure of steel pipe members in steel pipe truss |
-
2010
- 2010-12-04 CN CN2010105731081A patent/CN102031750B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101024974A (en) * | 2007-03-16 | 2007-08-29 | 北京城建设计研究总院有限责任公司 | Shaped-steel concrete frame-steel supporting structure type steel column preconstraint node |
| CN201254690Y (en) * | 2008-05-16 | 2009-06-10 | 中铁二院工程集团有限责任公司 | Rib truss of steel tube concrete arch bridge |
| CN101831868A (en) * | 2010-05-07 | 2010-09-15 | 同济大学 | Connecting node structure of steel rod elements and concrete plate |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-124905A 1999.05.11 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102031750A (en) | 2011-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206090273U (en) | Prefabricated UHPC of assembling of festival section wave form steel web combination box beam and cable -stay bridge | |
| CN102220739B (en) | Corrugated steel web prestressed concrete continuous box girder and construction method thereof | |
| CN202131559U (en) | Corrugated steel web plate prestressed concrete continuous box girder | |
| CN102031750B (en) | Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete | |
| CN103397727A (en) | Connection structure of building steel beam and composite floor slab | |
| CN104674657A (en) | Profiled steel sheet-UHP (ultra high performance) fiber reinforced concrete composite bridge deck | |
| CN211037273U (en) | Steel joint is connected to assembled concrete structure primary and secondary roof beam | |
| CN103485483A (en) | Assembly type honeycombed web composite beam | |
| CN203475665U (en) | Connecting structure of steel beam and composite floor slab of building | |
| CN102979033A (en) | Steel truss girder all-welded joist slice and construction method thereof | |
| CN102493553A (en) | Member for connection node of reinforced beam and steel beam and construction method thereof | |
| CN219671054U (en) | Steel-concrete combined small box girder prefabricated by integral hoisting | |
| CN111979912A (en) | Semi-open cellular back plate type steel-concrete combined section | |
| CN109137757B (en) | Large-span corrugated steel web box girder buckling restrained structure and construction method | |
| CN111794423A (en) | Steel-concrete combined beam structure, building and construction method | |
| CN105275087A (en) | A prefabricated assembled type concrete beam-column connecting structure | |
| CN218437691U (en) | Light-duty assembled superstructure system for reinforced concrete frame | |
| CN100567672C (en) | Combined steel plate shearing force wall with large aspect ratio | |
| CN212583046U (en) | Open-web steel-concrete composite structure lattice column | |
| CN212248846U (en) | Concrete laminated slab bottom plate based on corrugated steel web truss and cement substrate | |
| CN102061665B (en) | Steel sheath type steel truss web node structure | |
| CN202990196U (en) | Partially prestressed prefabricated thin plate | |
| CN108755382B (en) | Pre-buried steel plate UHPC small box girder structure | |
| CN111663696A (en) | Formwork-free self-bearing prefabricated rib beam concrete hollow laminated slab | |
| CN206570675U (en) | The pretensioned prestressing corrugated steel web plate composite box girder of precast block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211112 No. 223 Simon Street, Jiangsu, Nanjing Patentee after: JSTI GROUP Co.,Ltd. Address before: 211112 No. 223 Simon Street, Jiangsu, Nanjing Patentee before: JIANGSU TRANSPORTATION RESEARCH INSTITUTE Co.,Ltd. |