CN203878777U - Connecting joint of concrete-filled steel tubular column and steel beam - Google Patents
Connecting joint of concrete-filled steel tubular column and steel beam Download PDFInfo
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- CN203878777U CN203878777U CN201420293558.9U CN201420293558U CN203878777U CN 203878777 U CN203878777 U CN 203878777U CN 201420293558 U CN201420293558 U CN 201420293558U CN 203878777 U CN203878777 U CN 203878777U
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- steel
- steel pipe
- fluting
- floor
- girder
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 287
- 239000010959 steel Substances 0.000 title claims abstract description 287
- 230000004323 axial length Effects 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 12
- 238000005452 bending Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Rod-Shaped Construction Members (AREA)
Abstract
The utility model provides a connected node of steel core concrete column and girder steel, the connected node of steel core concrete column and girder steel includes: a steel pipe (1); the two steel plates (3) respectively penetrate out of the inner cavity of the steel pipe (1) in parallel and penetrate out of the groove, and each steel plate (3) is perpendicular to the axis of the steel pipe (1); the concrete column is poured in the inner cavity of the steel tube (1); and the rib plate (4) is welded on the steel plate (3). The utility model discloses the welding volume and the node work load in maximum bending moment department have been reduced.
Description
Technical field
The utility model relates to building field, is specifically related to a kind of for steel core concrete column---the connected node of girder steel, the i.e. connected node of a kind of steel core concrete column and girder steel.
Background technology
At present to have intensity high for concrete filled steel tube, and ductility is good, endurance, shock resistance, the easy superiority such as construction and enjoy favor, and in highrise building, application gets more and more.Because the most of areas of China are all in seismic region, for shockproof requirements, connected node should meet the designing requirement of " strong node, weak rod member ".But the node of steel core concrete column research is also immature, most nodes cannot reach the designing requirement of desirable " strong node, weak rod member ".At present, steel core concrete column and steel beam connecting joint are mainly to have outer annular-stiffer formula node, interior reinforcement Loop joint, anchoring type node etc.Its major defect has: outer annular-stiffer formula node is large with girder steel, and in application, compliance and flexibility are poor; The height alignment difficulty of interior reinforcement Loop joint frange plate and interior reinforcing ring, the inside and outside thick welding plate of steel pipe column is in larger weld heat-affected zone node area post jamb plate, under geological process, easily ftractures.In a word, these node power transmissions are not direct, and bearing capacity, rigidity, anti-seismic performance are low, and simple type, the economy of node mechanical property and construction can not be satisfactory to both parties.
In sum, in prior art, there is following problem: existing steel core concrete column and steel beam connecting joint exist power transmission not direct, the problem of poor mechanical property.
Utility model content
The utility model provides the connected node of a kind of steel core concrete column and girder steel, exists power transmission not direct, the problem of poor mechanical property to solve existing steel core concrete column and steel beam connecting joint.
For this reason, the utility model proposes the connected node of a kind of steel core concrete column and girder steel, the connected node of described steel core concrete column and girder steel comprises:
Steel pipe 1, on the sidewall of described steel pipe, be provided with two pairs of parallel flutings, every pair of described fluting comprises: be positioned on the same cross section of described steel pipe and the left fluting and the right fluting that are interconnected, the axis of the vertical described steel pipe 1 of described cross section, in every cross-notching, described left fluting runs through the left side wall of described steel pipe and is communicated with the inner chamber of steel pipe, described right fluting runs through the right side wall of described steel pipe and is communicated with the inner chamber of steel pipe, the axial length of described left fluting and right fluting equates, and the axial length of left fluting and right fluting is all less than the axial length of described steel pipe;
Two block plates 3, the parallel inner chamber from described steel pipe 1 passes described fluting respectively, the axis setting of the every vertical described steel pipe 1 of described steel plate 3, every block of described steel plate 3 is welded on left fluting and the right fluting place of described steel pipe 1, and every block of described steel plate 3 all passes from left fluting and the right fluting of described steel pipe 1; Every block of described steel plate 3 comprises: left side steel plate outside the left fluting that is positioned at described steel pipe 1 connecting successively, be positioned at the inside steel plate of described steel pipe 1 inner chamber and be positioned at the right side steel plate outside the right fluting of described steel pipe 1;
Outside girder steel 2, is arranged on outside described steel pipe 1, and described outside girder steel 2 comprises the outside girder steel of left end and the outside girder steel of right-hand member, and the outside girder steel of left end and the outside girder steel of right-hand member are welded on respectively left side and the right side of described steel plate 3; And the outside girder steel of left end connects two blocks of described left side steel plates, the outside girder steel of right-hand member connects two blocks of described right side steel plates;
Concrete column, is cast in the inner chamber of described steel pipe 1, and builds and be integrated with described two blocks of inner steel plates and described steel pipe 1;
Floor 4, be welded on described steel plate 3, described floor 4 comprises left floor and right floor, described left floor is welded between left side steel plate and the external surface of steel pipe, described right floor is welded between right side steel plate and the external surface of steel pipe, on every block of described steel plate 3, be all welded with a left floor and a right floor, on two blocks of described steel plates 3, be welded with altogether two left floors and two right floors, described two left floors and described two right floors are all positioned at a plane, and described plane is through the axis of described steel pipe 1; Described left floor is identical with described right floor size and shape, symmetrical configuration.
Further, described floor 4 is triangles or trapezoidal.
Further, each described floor 4 is equilateral right-angled triangles, the right-angle side of each described floor 4 lay respectively at the intersection of the external surface of described steel pipe and with the intersection of described steel plate 3.
Further, described outside girder steel 2 is that cross section is i section steel beam, H shape girder steel or box steel beam.
Further, described outside girder steel 2 is uniform section girder steels.
Further, described steel pipe 1 is round steel pipe, or square steel pipe.
Further, described outside girder steel 2 is compound beam or integral structure.
Further, each described floor 4 extends to outside girder steel 2 and is connected from described steel plate 3.
Compared with conventional node, the utility model has the advantage of:
1) reduced welding capacity and the node processing capacity at maximal bending moment place, also just reduced the relevant issues that welding brings, also avoided declining too early because of the intensity that beam-ends weld cracking causes;
2) make outside girder steel or steel plate end facility Welding hole again, avoid or reduced because fabrication hole causes how much irregular stress that produce and concentrated;
3) be conducive to effective transmission of pulling force and shearing, reduced the local distortion of steel pipe post jamb under the effect of flange of beam pulling force;
4) node can adopt Q345GJ, Q390, Q460 and above high strength steel, and has increased floor on the edge of a wing, beam end left and right, has higher integral rigidity and intensity, and energy-dissipating property is good, is a kind of reasonably joint form.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of the steel core concrete column of the utility model embodiment and the connected node of girder steel;
Fig. 2 is the A-A sectional structure of this Fig. 1.
Drawing reference numeral explanation:
Outside girder steel 3 steel plate 4 floor 5 concrete columns of 1 steel pipe 2
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast brief description of the drawings the utility model.
As depicted in figs. 1 and 2, the steel core concrete column of the utility model embodiment and the connected node of girder steel comprise: steel pipe 1, on the sidewall of described steel pipe, be provided with two pairs of parallel flutings, every pair of described fluting comprises: be positioned on the same cross section of described steel pipe and the left fluting and the right fluting that are interconnected, the axis of the vertical described steel pipe 1 of described cross section, two pairs of parallel flutings lay respectively on two cross sections; In every cross-notching, described left fluting runs through the left side wall of described steel pipe and is communicated with the inner chamber of steel pipe, described right fluting runs through the right side wall of described steel pipe and is communicated with the inner chamber of steel pipe, the axial length of described left fluting and right fluting equates, and the axial length of left fluting and right fluting is all less than the axial length of described steel pipe;
Two block plates 3, the parallel inner chamber from described steel pipe 1 passes described fluting respectively, the axis setting of the every vertical described steel pipe 1 of described steel plate 3, every block of described steel plate 3 is welded on left fluting and the right fluting place of described steel pipe 1, and every block of described steel plate 3 all passes from left fluting and the right fluting of described steel pipe 1, for example steel plate 33 and steel pipe 1 melt the both wings of groove welding formation steel pipe 1 entirely; Every block of described steel plate 3 comprises: left side steel plate outside the left fluting that is positioned at described steel pipe 1 connecting successively, be positioned at the inside steel plate of described steel pipe 1 inner chamber and be positioned at the right side steel plate outside the right fluting of described steel pipe 1;
Outside girder steel 2, is arranged on outside described steel pipe 1, and described outside girder steel 2 comprises the outside girder steel of left end and the outside girder steel of right-hand member, and the outside girder steel of left end and the outside girder steel of right-hand member are welded on respectively left side and the right side of described steel plate 3; And the outside girder steel of left end connects two blocks of described left side steel plates, the outside girder steel of right-hand member connects two blocks of described right side steel plates;
Concrete column 5, be cast in the inner chamber of described steel pipe 1, and build and be integrated with described two blocks of inner steel plates 3 and described steel pipe 1, concrete column 5 occupies the space (space between two blocks of described inner steel plates 3 can not have concrete column) outside two blocks of described inner steel plates 3 in the inner chamber of steel pipe 1;
Floor 4, be welded on described steel plate 3, described floor 4 comprises left floor and right floor, described left floor is welded between left side steel plate and the external surface of steel pipe, described right floor is welded between right side steel plate and the external surface of steel pipe, on every block of described steel plate 3, be all welded with a left floor and a right floor, on two blocks of described steel plates 3, be welded with altogether two left floors and two right floors, described two left floors and described two right floors are all positioned at a plane, and described plane is through the axis of described steel pipe 1; Described left floor is identical with described right floor size and shape, symmetrical configuration.That is to say, between every block plate 2 and steel pipe 1, all weld floor 4, at maximal bending moment place (for example reduce, the end of outside girder steel 2) welding capacity and node processing capacity, also the relevant issues that welding brings have just been reduced, also avoided for example, declining too early because of the intensity that beam-ends (, the end of outside girder steel 2) weld cracking causes; Make beam end or steel plate end facility Welding hole again, avoid or reduced because fabrication hole causes how much irregular stress that produce and concentrated;
Further, described floor 4 is triangles or trapezoidal.Like this, the triangle that floor 4 is the axis through steel pipe 1 or trapezoidal, is conducive to effective transmission of pulling force and shearing, is conducive to stressed reasonable distribution.
Further, each described floor 4 is equilateral right-angled triangles, the right-angle side of each described floor 4 lay respectively at the intersection of the external surface of described steel pipe and with the intersection of described steel plate 3.Like this, steel pipe and described steel plate 3 distribute and can obtain uniform bearing distribution, reduce stress and concentrate.
Further, each described floor 4 extends to outside girder steel 2 and is connected from described steel plate 3.Floor and outside girder steel be welded with the effective transmission that is beneficial to pulling force and shearing, reduced for example, local distortion under flange of beam (, the end of outside girder steel 2) pulling force effect of steel pipe post jamb.
Further, described outside girder steel 2 is that cross section is i section steel beam, H shape girder steel or box steel beam.Like this, increase the adhesion between outside girder steel 2 and steel plate 3 on the one hand, increased on the other hand the bearing capacity of outside girder steel 2, strengthened the overall ability to bear of node, and make the bearing distribution of node extend to solid space, improve the mechanical property of node.
Further, described outside girder steel 2 is uniform section girder steels, to make, and keep stressed rule and balanced, or outside girder steel 2 be unequal section girder steel, so that applicable irregular occasion and utilize various steel.
Further, described steel pipe 1 is round steel pipe, or the steel pipe with the cross section of remaining silent of square steel pipe or other shape, to make the heavier-duty girder steel integral feed-through type beam-column connection of various different casts.
Further, described outside girder steel 2 is that compound beam is that outside girder steel 2 is by several girder steels or parts welding or is connected to form, so that field fabrication, or outside girder steel 2 integral structures, outside girder steel 2 is overall girder steels, so that entirety processing.
Node of the present utility model can adopt Q345GJ, Q390, Q460 and above high strength steel, and has increased floor on the edge of a wing, beam end left and right, has higher integral rigidity and intensity, and energy-dissipating property is good, is a kind of reasonably joint form.Manufacturing process of the present utility model is as follows: (1) is the location dimension on steel core concrete column according to steel plate 3, fluting on steel pipe 1.(2) steel plate 3 is inserted to fluting, and through steel pipe 1.(3) by steel plate 3 and steel pipe 1 outer wall groove butt welding, then concreting in steel pipe.(4) steel plate 3 is at a floor 4 of the each welding of steel pipe 1 left outer right flank edge.More than construct and complete in steel work processing factory, the splicing of outside girder steel 2 and steel plate 3 is carried out at the scene of being transported to.
The utility model simple structure, power transmission is clear and definite, and ductility is good, and node integral rigidity is high, and power performance is good, is conducive to improve quality of connection, and convenient building is carried out topology layout.
The foregoing is only the schematic detailed description of the invention of the utility model, not in order to limit scope of the present utility model.For each ingredient of the present utility model can mutually combine under the condition of not conflicting; any those skilled in the art; do not depart from equivalent variations and the amendment under the prerequisite of design of the present utility model and principle, done, all should belong to the scope of the utility model protection.
Claims (8)
1. a connected node for steel core concrete column and girder steel, is characterized in that, the connected node of described steel core concrete column and girder steel comprises:
Steel pipe (1), on the sidewall of described steel pipe, be provided with two pairs of parallel flutings, every pair of described fluting comprises: be positioned on the same cross section of described steel pipe and the left fluting and the right fluting that are interconnected, the axis of the vertical described steel pipe of described cross section (1), in every cross-notching, described left fluting runs through the left side wall of described steel pipe and is communicated with the inner chamber of steel pipe, described right fluting runs through the right side wall of described steel pipe and is communicated with the inner chamber of steel pipe, the axial length of described left fluting and right fluting equates, and the axial length of left fluting and right fluting is all less than the axial length of described steel pipe,
Two block plates (3), the parallel inner chamber from described steel pipe (1) passes described fluting respectively, the axis setting of the vertical described steel pipe of every block of described steel plate (3) (1), every block of described steel plate (3) is welded on left fluting and the right fluting place of described steel pipe (1), and every block of described steel plate (3) all passes from left fluting and the right fluting of described steel pipe (1); Every block of described steel plate (3) comprising: left side steel plate outside the left fluting that is positioned at described steel pipe (1) connecting successively, be positioned at the inside steel plate of described steel pipe (1) inner chamber and be positioned at the right side steel plate outside the right fluting of described steel pipe (1);
Outside girder steel (2), be arranged on outside described steel pipe (1), described outside girder steel (2) comprises the outside girder steel of left end and the outside girder steel of right-hand member, and the outside girder steel of left end and the outside girder steel of right-hand member are welded on respectively left side and the right side of described steel plate (3); And the outside girder steel of left end connects two blocks of described left side steel plates, the outside girder steel of right-hand member connects two blocks of described right side steel plates;
Concrete column, is cast in the inner chamber of described steel pipe (1), and builds and be integrated with described two blocks of inner steel plates and described steel pipe (1);
Floor (4), be welded on described steel plate (3), described floor (4) comprises left floor and right floor, described left floor is welded between left side steel plate and the external surface of steel pipe, described right floor is welded between right side steel plate and the external surface of steel pipe, on every block of described steel plate (3), be all welded with a left floor and a right floor, on two blocks of described steel plates (3), be welded with altogether two left floors and two right floors, described two left floors and described two right floors are all positioned at a plane, and described plane is through the axis of described steel pipe (1), described left floor is identical with described right floor size and shape, symmetrical configuration.
2. the connected node of steel core concrete column as claimed in claim 1 and girder steel, is characterized in that, described floor (4) is triangle or trapezoidal.
3. the connected node of steel core concrete column as claimed in claim 2 and girder steel, it is characterized in that, each described floor (4) is equilateral right-angled triangle, the right-angle side of each described floor (4) lay respectively at the intersection of the external surface of described steel pipe and with the intersection of described steel plate (3).
4. the connected node of steel core concrete column as claimed in claim 1 and girder steel, is characterized in that, described outside girder steel (2) is that cross section is i section steel beam, H shape girder steel or box steel beam.
5. the connected node of steel core concrete column as claimed in claim 1 and girder steel, is characterized in that, described outside girder steel (2) is uniform section girder steel.
6. the connected node of steel core concrete column as claimed in claim 1 and girder steel, is characterized in that, described steel pipe (1) is round steel pipe, or square steel pipe.
7. the connected node of steel core concrete column as claimed in claim 1 and girder steel, is characterized in that, described outside girder steel (2) is compound beam or integral structure.
8. the connected node of steel core concrete column as claimed in claim 1 and girder steel, is characterized in that, each described floor (4) extends to outside girder steel (2) and is connected from described steel plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293558.9U CN203878777U (en) | 2014-06-04 | 2014-06-04 | Connecting joint of concrete-filled steel tubular column and steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293558.9U CN203878777U (en) | 2014-06-04 | 2014-06-04 | Connecting joint of concrete-filled steel tubular column and steel beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203878777U true CN203878777U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293558.9U Expired - Lifetime CN203878777U (en) | 2014-06-04 | 2014-06-04 | Connecting joint of concrete-filled steel tubular column and steel beam |
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| Country | Link |
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| CN (1) | CN203878777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649199A (en) * | 2016-01-14 | 2016-06-08 | 辽宁工业大学 | Concrete filled steel tubular column-steel beam combined joint structure and construction method thereof |
-
2014
- 2014-06-04 CN CN201420293558.9U patent/CN203878777U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649199A (en) * | 2016-01-14 | 2016-06-08 | 辽宁工业大学 | Concrete filled steel tubular column-steel beam combined joint structure and construction method thereof |
| CN105649199B (en) * | 2016-01-14 | 2017-12-08 | 辽宁工业大学 | A kind of construction method of concrete filled steel tube pole steel beam combined joint structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |