CN203782891U - Steel-reinforced concrete L-shaped column-steel beam connecting node - Google Patents
Steel-reinforced concrete L-shaped column-steel beam connecting node Download PDFInfo
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- CN203782891U CN203782891U CN201420087060.7U CN201420087060U CN203782891U CN 203782891 U CN203782891 U CN 203782891U CN 201420087060 U CN201420087060 U CN 201420087060U CN 203782891 U CN203782891 U CN 203782891U
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- steel
- reinforcing bar
- concrete
- shaped
- reinforced concrete
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 101
- 239000010959 steel Substances 0.000 title claims abstract description 101
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 12
- 230000035515 penetration Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 43
- 239000003351 stiffener Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 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
Abstract
The utility model discloses a steel-reinforced concrete L-shaped column-steel beam connecting node. The steel-reinforced concrete L-shaped column-steel beam connecting node comprises combined steel and concrete columns and steel beams, the section shapes of the combined steel and concrete columns are L-shaped; the combined steel and concrete columns comprise steel rib frameworks, reinforcement frameworks and concrete; the steel rib frameworks are located at the central positions of the sections; the reinforcement frameworks which consist of longitudinal reinforcements and stirrups surround the steel rib frameworks; the concrete is used for wrapping the steel rib frameworks and the reinforcement frameworks; a plurality of holes are formed in webs of the steel rib frameworks; the steel beams are connected with steel ribs; the node connection modes comprise an all-welded mode, a bolt-welding mixed connection mode and an all-bolt connection mode; the node construction form adopts a column penetration type. According to the steel-reinforced concrete L-shaped column-steel beam connecting node, a sealed stirrup is easily formed, the node core region concrete is subjected to multiple constraints, the binding power between the node core region steel ribs and the concrete is improved, the concrete and the steel ribs can better and synergistically work, the stress performance is improved, and the bearing force and the ductility are greatly improved.
Description
Technical field
The utility model relates to a kind of new builing structure technical field, is specifically related to the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete.
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.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide steel reinforced concrete L shaped post-steel beam connecting joint, 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 adopted in the utility model is: the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete, comprises combined steel and concrete column and girder steel;
The section form of described combined steel and concrete column is L shaped, 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 ensureing node concrete pouring quality, reserved air vent on described transverse stiffener.
As preferably, in order to ensure 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 ensure 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 ensure 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 L-type 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 utility model 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 ensured 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 utility model, 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 utility model is little, mechanical property good, bearing capacity is high, ductility of joint is large, anti-seismic performance is excellent.
Stirrup of the present utility model 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 utility model 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, ensure collaborative work better between concrete and reinforcing bar, improve its stress performance, and its bearing capacity and ductility are all improved.
The utility model is not increasing in steel materials situation, can improve the stability bearing capacity of nodes domains reinforcing bar.
The utility model has solved preferably steel structure fireproofing Anticorrosion in the situation that not increasing extra charge
The utility model is without shear connector is set, and labor and material saving can reduce the comprehensive cost of engineering.
The utility model can provide key node connected mode for the exploitation of new steel structure dwelling house system, has good conversion prospect.
The utility model has been expanded research and the application of steel reinforced concrete structure, has greatly enriched steel-concrete combined structure content.
Brief description of the drawings
Fig. 1 is the utility model overall structure schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1: the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete, comprises combined steel and concrete column and girder steel 8;
The section form of described combined steel and concrete column is L shaped, 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 3 and stirrup 4 is around it, described concrete 9 wraps up reinforcing bar skeleton 1 and cage of reinforcement wherein, has multiple holes 2 on the web of described reinforcing bar skeleton 1; Hole 2 forms are the polygon series such as quadrangle, hexagon, octagon, decagon, also circular, oval etc. circular serial;
Described girder steel 8 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 8 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 8, transverse stiffener 6 is set on reinforcing bar web in the post at bottom flange place, for ensureing node concrete pouring quality, reserved air vent on described transverse stiffener 6.
In order to ensure to be easy to form closed stirrup in nodes domains scope, on described reinforcing bar skeleton 1 web and girder steel 8 webs, offer the aperture 5 passing through for stirrup, or by stirrup 4 Site Weldings on its web.In order to ensure the design principles of member a little less than strong node, the web place of described girder steel 8 ends sets up stiffener 7, to make up the weakening of steel beam web plate perforate.Described stiffener 7 is connected by weld seam with girder steel 8 end webs.
It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (8)
1. the L shaped post-steel beam connecting joint of steel reinforced concrete, is characterized in that: comprise combined steel and concrete column and girder steel;
The section form of described combined steel and concrete column is L shaped, 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. the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete according to claim 1, is characterized in that: on the web of described reinforcing bar skeleton, hole form is polygon, circle or oval.
3. the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete 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. the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete 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. the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete according to claim 1, is characterized in that: reserved air vent on described transverse stiffener.
6. the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete 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. the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete according to claim 1, is characterized in that: the web place of described girder steel end sets up stiffener.
8. the L shaped post-steel beam connecting joint of a kind of steel reinforced concrete according to claim 7, is characterized in that: described stiffener is connected by weld seam with girder steel end web.
Priority Applications (1)
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CN201420087060.7U CN203782891U (en) | 2014-02-27 | 2014-02-27 | Steel-reinforced concrete L-shaped column-steel beam connecting node |
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CN201420087060.7U CN203782891U (en) | 2014-02-27 | 2014-02-27 | Steel-reinforced concrete L-shaped column-steel beam connecting node |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103806544A (en) * | 2014-02-27 | 2014-05-21 | 南京工业大学 | Connection joint between L-shaped steel reinforced concrete column and steel girder |
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2014
- 2014-02-27 CN CN201420087060.7U patent/CN203782891U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103806544A (en) * | 2014-02-27 | 2014-05-21 | 南京工业大学 | Connection joint between L-shaped steel reinforced concrete column and steel girder |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20160227 |
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CF01 | Termination of patent right due to non-payment of annual fee |