CN103790242A - Steel reinforced concrete T-shaped column-steel beam connecting joint - Google Patents
Steel reinforced concrete T-shaped column-steel beam connecting joint Download PDFInfo
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- CN103790242A CN103790242A CN201410069464.8A CN201410069464A CN103790242A CN 103790242 A CN103790242 A CN 103790242A CN 201410069464 A CN201410069464 A CN 201410069464A CN 103790242 A CN103790242 A CN 103790242A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 103
- 239000010959 steel Substances 0.000 title claims abstract description 103
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 20
- 239000004567 concrete Substances 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 43
- 239000003351 stiffener Substances 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The invention discloses a steel reinforced concrete T-shaped column-steel beam connecting node, which comprises a steel reinforced concrete column and a steel beam; the steel rib concrete column is T-shaped in cross section and comprises a steel rib framework, a steel bar framework and concrete, wherein the steel rib framework is positioned at the center of the cross section and is surrounded by the steel bar framework consisting of longitudinal steel bars and stirrups, the steel rib framework and the steel bar framework are wrapped in the concrete, and a web plate of the steel rib framework is provided with a plurality of holes; the steel beam is connected with the steel rib, the joint connection mode comprises all-welded connection, stud-welded hybrid connection and all-bolt connection, and the joint structural form adopts a column through type. The invention is easy to form the closed stirrup; the concrete in the core area of the node is subjected to multiple constraints, so that the bonding force between the steel ribs and the concrete in the core area of the node is improved, the better cooperative work between the concrete and the steel ribs is ensured, the stress performance of the concrete is improved, and the bearing capacity and the ductility of the concrete are greatly improved.
Description
Technical field
The present invention relates to a kind of new builing structure technical field, be specifically related to a kind of steel reinforced concrete T shape post-steel beam connecting joint.
Background technology
In housing construction, special-shaped column structure have advantages of other structural systems incomparable, the parent who is more and more subject to people looks at, and has been subject in recent years Chinese scholars and engineering staff's great attention, thereby obtains wider application.
But, in many high residential buildings, steel concrete deformed pile structure is difficult to meet the crowded problems that are difficult to process etc. of requirement for bearing capacity, node region reinforcing bar owing to being subject to the restriction of the long length depth ratio of column section limb, the advantage of hetermorphiscal column cannot be embodied comprehensively, thereby limit its range of application, be difficult to promote.And traditional steel reinforced concrete special-shaped column structure, process except stirrup is difficult to sealing, while being connected with reinforced concrete beam or steel framed concrete beam node region reinforcing bar crowded, if shear connector is not set, between type Steel concrete wherein, produce serious slippage because adhesion stress is not enough, make both can not collaborative work, cause its bearing capacity to reduce; In order to improve its collaborative work ability, shearing resistance peg must be set, but because peg contacts the stressed complexity of part with concrete, concrete is easy to destroy and its bearing capacity of wound mistake ahead of time, in addition peg needs the welding of special welding equipment, can increase difficulty of construction and complexity, strengthens construction working amount, reduces speed of application, increase construction period and steel consumption, thereby increase the comprehensive cost of engineering.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, steel reinforced concrete T shape post-steel beam connecting joint is provided, can improve the stress performance of existing steel reinforced concrete hetermorphiscal column and node thereof and the comprehensive cost of unlikely remarkable its engineering of increase, special-shaped column structure is more widely used in many high residential buildings.
The technical solution used in the present invention is: a kind of steel reinforced concrete T shape post-steel beam connecting joint, comprises combined steel and concrete column and girder steel;
The section form of described combined steel and concrete column is T shape, comprise reinforcing bar skeleton, cage of reinforcement and concrete, described reinforcing bar skeleton is positioned at kernel of section position, the cage of reinforcement being made up of longitudinal reinforcement and stirrup is around it, described concrete wraps up reinforcing bar skeleton and cage of reinforcement wherein, has multiple holes on the web of described reinforcing bar skeleton;
Described girder steel section form comprises H shape and box-shaped;
Described girder steel is connected with reinforcing bar, connect simple structure, easily and fast, node connected mode comprises that full welding, bolt weldering mix connection and be connected with full bolt, full welding is mainly suitable for factory's connection that post is tree-type lifting elements, both are all suitable for building site connection afterwards, form of architecture joints adopts post through, in the post at the upper and lower edge of a wing place to girder steel just, on reinforcing bar web, transverse stiffener is set.
As preferably, on the web of described reinforcing bar skeleton, hole form is the polygon series such as quadrangle, hexagon, octagon, decagon, also circular, oval etc. circular serial.
As preferably, the type such as that the H shape of described girder steel comprises is hot rolled H-shaped, welded H section steel, i iron; Box-shaped comprises the type such as hot finished steel pipe and welded steel pipe.
As preferably, in the described upper and lower edge of a wing that is entirely welded as beam and post, reinforcing bar adopts full penetration butt weld, reinforcing bar employing fillet weld in its web and post.
As preferably, for guaranteeing node concrete pouring quality, reserved air vent on described transverse stiffener.
As preferably, in order to guarantee to be easy to form closed stirrup in nodes domains scope, on described reinforcing bar skeleton web and steel beam web plate, offer the aperture passing through for stirrup, or by stirrup Site Welding on its web.
As preferably, in order to guarantee the design principles of member a little less than strong node, the web place of described girder steel end sets up stiffener, to make up the weakening of steel beam web plate perforate.
As preferably, described stiffener is connected by weld seam with girder steel end web.
In order to guarantee the shear resistance of nodes domains, unsuitable perforate on reinforcing bar web in the post in node region.And should not perforate scope should extend to up and down transverse stiffener certain distance in addition.The building form of described reinforcing bar can by the H shaped steel after punching at web and T-steel is welded or by the steel plate after punching through welding combine.
Conventionally,, for all-welded connected mode, reinforcing bar, girder steel and the connection between them are all to complete in steel work processing factory; And weldering mixes connection and complete bolted connected mode for bolt, reinforcing bar, girder steel are all to complete in steel work processing factory, and the connection between them is to carry out at building-site.
No matter which kind of connected mode, setting-out, colligation and concrete the building all of reinforcing bar are carried out at building-site.
The present invention is easy to form closed stirrup; Joint cores concrete is subject to multiple constraint, has not only improved the adhesion stress between joint core region reinforcing bar and concrete, has guaranteed collaborative work better between concrete and reinforcing bar, improves its stress performance, and greatly improves its bearing capacity and ductility.
Beneficial effect: novel beam-column jointing gusset of the present invention, substantially only need girder steel to be connected with reinforcing bar, connect simple structure, construct convenient quick, with low cost.
Node size of the present invention is little, mechanical property good, bearing capacity is high, ductility of joint is large, anti-seismic performance is excellent.
Stirrup of the present invention can directly pass hole formation closed, has reduced difficulty of construction, not only convenient construction but also be easy to giving full play to of confinement of stirrups.
Joint core part concrete of the present invention is subject to the multiple constraint of the reinforcing bar edge of a wing, web and transverse stiffener and stirrup, not only improve the adhesion stress between joint core region reinforcing bar and concrete, guarantee collaborative work better between concrete and reinforcing bar, improve its stress performance, and its bearing capacity and ductility are all improved.
The present invention is not increasing in steel materials situation, can improve the stability bearing capacity of nodes domains reinforcing bar.
The present invention has solved preferably steel structure fireproofing Anticorrosion in the situation that not increasing extra charge
The present invention is without shear connector is set, and labor and material saving can reduce the comprehensive cost of engineering.
The present invention can provide key node connected mode for the exploitation of new steel structure dwelling house system, has good conversion prospect.
The present invention has expanded research and the application of steel reinforced concrete structure, has greatly enriched steel-concrete combined structure content.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1: a kind of steel reinforced concrete T shape post-steel beam connecting joint, comprises combined steel and concrete column and girder steel 7;
The section form of described combined steel and concrete column is T shape, comprise reinforcing bar skeleton 1, cage of reinforcement and concrete 9, described reinforcing bar skeleton 1 is positioned at kernel of section position, the cage of reinforcement being made up of longitudinal reinforcement 2 and stirrup 5 is around it, described concrete 9 wraps up reinforcing bar skeleton 1 and cage of reinforcement wherein, has multiple holes 3 on the web of described reinforcing bar skeleton 1; Hole 3 forms are the polygon series such as quadrangle, hexagon, octagon, decagon, also circular, oval etc. circular serial;
Described girder steel 7 section forms comprise H shape and box-shaped, the type such as that H shape comprises is hot rolled H-shaped, welded H section steel, i iron; Box-shaped comprises the type such as hot finished steel pipe and welded steel pipe;
Described girder steel 7 is connected with reinforcing bar, connect simple structure, convenient, fast, node connected mode comprises full welding, bolt weldering mixes to connect with full bolt and is connected, entirely be welded as the upper of beam, in bottom flange and post, reinforcing bar adopts full penetration butt weld, in its web and post, reinforcing bar adopts fillet weld, full welding is mainly suitable for factory's connection that post is tree-type lifting elements, both are all suitable for building site connection afterwards, form of architecture joints adopts post through, in just upper to girder steel 7, transverse stiffener 4 is set on reinforcing bar web in the post at bottom flange place, for guaranteeing node concrete pouring quality, reserved air vent on described transverse stiffener 4.
In order to guarantee to be easy to form closed stirrup in nodes domains scope, on described reinforcing bar skeleton 1 web and girder steel 7 webs, offer the aperture 8 passing through for stirrup, or by stirrup 5 Site Weldings on its web.In order to guarantee the design principles of member a little less than strong node, the web place of described girder steel 7 ends sets up stiffener 6, to make up the weakening of steel beam web plate perforate.Described stiffener 6 is connected by weld seam with girder steel 7 end webs.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (8)
1. steel reinforced concrete T shape post-steel beam connecting joint, is characterized in that: comprise combined steel and concrete column and girder steel;
The section form of described combined steel and concrete column is T shape, comprise reinforcing bar skeleton, cage of reinforcement and concrete, described reinforcing bar skeleton is positioned at kernel of section position, the cage of reinforcement being made up of longitudinal reinforcement and stirrup is around it, described concrete wraps up reinforcing bar skeleton and cage of reinforcement wherein, has multiple holes on the web of described reinforcing bar skeleton;
Described girder steel section form comprises H shape and box-shaped;
Described girder steel is connected with reinforcing bar, and node connected mode comprises that the weldering of full welding, bolt mixes to connect with full bolt and is connected, and form of architecture joints employing post is through, in the post at the upper and lower edge of a wing place to girder steel just, on reinforcing bar web, transverse stiffener is set.
2. a kind of steel reinforced concrete T shape post-steel beam connecting joint according to claim 1, is characterized in that: on the web of described reinforcing bar skeleton, hole form is polygon, circle or oval.
3. a kind of steel reinforced concrete T shape post-steel beam connecting joint according to claim 1, is characterized in that: the H shape of described girder steel comprises hot rolled H-shaped, welded H section steel, i iron, and box-shaped comprises hot finished steel pipe and welded steel pipe.
4. a kind of steel reinforced concrete T shape post-steel beam connecting joint according to claim 1, is characterized in that: in the described upper and lower edge of a wing that is entirely welded as beam and post, reinforcing bar adopts full penetration butt weld, reinforcing bar employing fillet weld in its web and post.
5. a kind of steel reinforced concrete T shape post-steel beam connecting joint according to claim 1, is characterized in that: reserved air vent on described transverse stiffener.
6. a kind of steel reinforced concrete T shape post-steel beam connecting joint according to claim 1, is characterized in that: on described reinforcing bar skeleton web and steel beam web plate, offer the aperture passing through for stirrup, or by stirrup Site Welding on its web.
7. a kind of steel reinforced concrete T shape post-steel beam connecting joint according to claim 1, is characterized in that: the web place of described girder steel end sets up stiffener.
8. a kind of steel reinforced concrete T shape post-steel beam connecting joint according to claim 7, is characterized in that: described stiffener is connected by weld seam with girder steel end web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069464.8A CN103790242A (en) | 2014-02-27 | 2014-02-27 | Steel reinforced concrete T-shaped column-steel beam connecting joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069464.8A CN103790242A (en) | 2014-02-27 | 2014-02-27 | Steel reinforced concrete T-shaped column-steel beam connecting joint |
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| CN103790242A true CN103790242A (en) | 2014-05-14 |
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| CN201410069464.8A Pending CN103790242A (en) | 2014-02-27 | 2014-02-27 | Steel reinforced concrete T-shaped column-steel beam connecting joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060700A (en) * | 2014-07-16 | 2014-09-24 | 青岛理工大学 | Assembled cast steel outer sleeve-T-shaped part beam and column connecting device |
| CN106638978A (en) * | 2016-11-07 | 2017-05-10 | 陶永春 | Joint structure of assembly type PC precast load-bearing wall plate combined with light steel frame |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06212700A (en) * | 1993-01-13 | 1994-08-02 | Sato Kogyo Co Ltd | Jointing of different structural members |
| JPH10280542A (en) * | 1997-03-31 | 1998-10-20 | Ando Corp | Joint construction between reinforced concrete column and steel framed beam |
| CN101058998A (en) * | 2006-04-21 | 2007-10-24 | 润弘精密工程事业股份有限公司 | Steel beam jointing structure for steel framed reinforced concrete structure |
| CN102322101A (en) * | 2011-06-30 | 2012-01-18 | 湖北弘毅建筑装饰工程有限公司 | Construction method for formed steel reinforced concrete beam-column nodes |
| CN203782890U (en) * | 2014-02-27 | 2014-08-20 | 南京工业大学 | Steel reinforced concrete T-shaped column-steel beam connecting joint |
-
2014
- 2014-02-27 CN CN201410069464.8A patent/CN103790242A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06212700A (en) * | 1993-01-13 | 1994-08-02 | Sato Kogyo Co Ltd | Jointing of different structural members |
| JPH10280542A (en) * | 1997-03-31 | 1998-10-20 | Ando Corp | Joint construction between reinforced concrete column and steel framed beam |
| CN101058998A (en) * | 2006-04-21 | 2007-10-24 | 润弘精密工程事业股份有限公司 | Steel beam jointing structure for steel framed reinforced concrete structure |
| CN102322101A (en) * | 2011-06-30 | 2012-01-18 | 湖北弘毅建筑装饰工程有限公司 | Construction method for formed steel reinforced concrete beam-column nodes |
| CN203782890U (en) * | 2014-02-27 | 2014-08-20 | 南京工业大学 | Steel reinforced concrete T-shaped column-steel beam connecting joint |
Non-Patent Citations (1)
| Title |
|---|
| 郑廷银等: "蜂窝状钢骨混凝土T形柱——钢梁连接节点性能分析", 《南京工业大学学报（自然科学版）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060700A (en) * | 2014-07-16 | 2014-09-24 | 青岛理工大学 | Assembled cast steel outer sleeve-T-shaped part beam and column connecting device |
| CN106638978A (en) * | 2016-11-07 | 2017-05-10 | 陶永春 | Joint structure of assembly type PC precast load-bearing wall plate combined with light steel frame |
| CN106638978B (en) * | 2016-11-07 | 2018-09-21 | 陶永春 | The node structure of the prefabricated load-bearing wall panel combination light weight steel frames of assembled PC |
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Application publication date: 20140514 |