CN105297891A - Flexing constraint support and concrete beam-column T-shaped steel anchoring and connecting node - Google Patents
Flexing constraint support and concrete beam-column T-shaped steel anchoring and connecting node Download PDFInfo
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- CN105297891A CN105297891A CN201510860218.9A CN201510860218A CN105297891A CN 105297891 A CN105297891 A CN 105297891A CN 201510860218 A CN201510860218 A CN 201510860218A CN 105297891 A CN105297891 A CN 105297891A
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Abstract
The invention discloses a flexing constraint support and concrete beam column T-shaped steel anchoring and connecting node. The node comprises anchor parts which are anchored in a concrete beam and a concrete column, anchor plates arranged at the two ends of the anchor parts and a node plate connected to the anchor plates, the anchor parts are constituted by multiple T-shaped steel groups which are arranged at intervals, each T-shaped steel group comprises two T-shaped steel bars which are arranged oppositely, each T-shaped steel bar is provided with a steel wing and a steel rib extending from the middle of the steel wing, each steel wing and the corresponding steel rib jointly constitute a T shape, the steel wings of the two T-shaped steel bars in each T-shaped steep group are parallel with each other, the steel ribs of the two T-shaped steel bars in each T-shaped steep group are opposite in pointing direction, the two ends of each T-shaped steel bar are welded to the anchor plates respectively, the anchor plates are divided into horizontal plates and vertical plates, the horizontal plates are attached to the edges of the concrete beam, the vertical plates are attached to the edges of the concrete column, the two adjacent side edges of the node plate are welded to the corresponding horizontal plate and the corresponding vertical plate respectively, and bolt holes for allowing flexing constraint supports to be fixedly connected are formed in the node plate. By means of the arrangement mode, stress balance of the node plate is facilitated, and uniform force transmission of the node is guaranteed.
Description
Technical field
The present invention relates to building structural member, particularly relate to a kind of buckling restrained brace and beam column built from concrete T-steel anchor connection node.
Background technology
Band buckling restrained brace concrete frame structure because having anti-seismic performance, easy construction and save material etc., just apply at building field by superior function.Wherein the connected node of buckling restrained brace and concrete frame is a very important ring in total, need that there is enough intensity, suitable rigidity, enough turning powers, can reasonably Transfer of Shear and moment of flexure, also to easily make and easy construction, the design principles that good node will meet " strong node, weak component " simultaneously.
In order to meet above-mentioned requirements, technician is studied this, a kind of buckling restrained brace disclosed in Chinese patent CN104563304A and the connected node of concrete beam and column, be made up of the anchoring piece be anchored in concrete beam and concrete column and the gusset plate being placed in concrete beam and concrete column outside, anchoring piece is made up of three spaced H profile steel, H profile steel and anchor slab integrally welded, gusset plate is integrally welded with the anchor slab being positioned at concrete beam top and the main inner side of concrete, gusset plate processes the bolt hole be fixedly connected with for buckling restrained brace.
The above-mentioned employing H profile steel structure be anchored in beam column built from concrete can strengthen the intensity of beam column to a certain extent, the plastic strain of beam column can be retrained to a certain extent, but the contact area of H profile steel in concrete is large, concrete beam and column node can be divided into more region by the number of H profile steel, the concrete collaborative work ability of concrete beam and column node is caused to reduce, make to occur that with the concrete of H profile steel contact position obvious stress is concentrated, and H profile steel takies larger area in beam column built from concrete, probably affect the layout of stirrup and vertical muscle in former concrete beam column, and then affect concreting and reinforcement construction.And H profile steel model is less, can not use part-structure, can only adopt lattice, be namely welded with three block plates, manufacturing procedure is many, complicated operation.
Therefore, the connected node designing a kind of better buckling restrained brace and beam column built from concrete is necessary, to solve the problem.
Summary of the invention
For prior art Problems existing, the invention provides in the pre-buried concrete beam and column node of a kind of employing T-steel, T-steel sectional dimension is little, less to concrete collaborative work capacity, do not affect buckling restrained brace and the beam column built from concrete T-steel anchor connection node of the layout of stirrup and vertical muscle in former concrete beam column.
To achieve these goals, the present invention adopts following technical scheme:
A kind of buckling restrained brace and beam column built from concrete T-steel anchor connection node, comprise the anchoring piece be anchored in concrete beam and concrete column, be located at the anchor slab at described anchoring piece two ends, and be connected to the gusset plate of described anchor slab, described anchoring piece is made up of the T-steel group organizing spaced setting more, often organize described T-steel group and comprise two T-steels be oppositely arranged, the steel rib that described T-steel has the steel wing and extends in the middle part of the described steel wing, the described steel wing and described steel rib form T-shaped jointly, the steel wing of two T-steels in described T-steel group is parallel to each other, steel rib pointing direction is contrary, the two ends of described T-steel are welded on described anchor slab respectively, described anchor slab has level board and vertical plate, described level board fits in the edge of described concrete beam, described vertical plate fits in the edge of described concrete column, the adjacent dual-side of described gusset plate is welded in described level board and described vertical plate respectively, described gusset plate is provided with the bolt hole be fixedly connected with for buckling restrained brace.
Further, the described T-steel group of many groups is distributed in described concrete beam or concrete column uniformly, and the distance described in two groups between T-steel group equals the distance in described T-steel group between two described T-steels.
Further, in described T-steel group, a described T-steel is that T-steel described in another rotates 180 ° of formation.
Further, the side edge length that the outer end of described anchor slab is welded with described anchor slab than described gusset plate lengthens 150mm.
Further, described gusset plate surface thereof is provided with two row's bolts hole, protrudes and be provided with stiffening rib between the described bolt hole of two rows.
Beneficial effect of the present invention:
Anchoring piece is made up of the T-steel group organizing spaced setting more, and often organize T-steel group and comprise two T-steels be oppositely arranged, the steel wing of T-steel is parallel to each other, and steel rib pointing direction is contrary, makes T-steel group stress equalization in beam column built from concrete.The two ends of the first T-steel and the second T-steel are welded in anchor slab respectively, pre-buried T-steel and anchor slab in beam column, add the rigidity of beam column, and anchor slab can retrain the plastic strain of beam column, the strength and stiffness of node can both be got a promotion, the present invention adopts T-steel to be anchored in beam column, because the sectional dimension of T-steel is less, pre-buried concrete beam and column node is less to concrete collaborative work capacity, there is spacing between two T-steels simultaneously, this connected node is made not affect the layout of beam-column hooping and vertical muscle, convenient construction, and the model of T-steel is many, the T-steel of arbitrary section size can be selected, versatility is high, and do not need plurality of steel plates to weld, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the structural representation of buckling restrained brace of the present invention and beam column built from concrete T-steel anchor connection node;
Fig. 2 is the sectional view of buckling restrained brace of the present invention and beam column built from concrete T-steel anchor connection node;
Fig. 3 is the structural representation that anchoring piece of the present invention, anchor slab and gusset plate connect;
In figure, 1-concrete beam, 2-concrete column, 3-anchor slab, 31-level board, 32-vertical plate, 4-anchoring piece, 41-T-steel, 411-steel wing, 412-steel rib, 5-gusset plate, 6-bolt hole, 7-stiffening rib.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Need explanation, all directionality instruction (such as up, down, left, right, before and afters in the embodiment of the present invention ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, relate to the description of " first ", " second " etc. in the present invention only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technical scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not within the protection domain of application claims.
As Fig. 1, the present invention proposes a kind of buckling restrained brace and beam column built from concrete T-steel anchor connection node, comprises the anchoring piece 4 be anchored in concrete beam 1 and concrete column 2, is located at the anchor slab 3 at anchoring piece 4 two ends, and be connected to the gusset plate 5 of anchor slab 3.Pre-buried anchoring piece 4 and anchor slab 3 in concrete beam 1 and concrete column 2, add the rigidity of concrete beam 1 and concrete column 2, and anchor slab 3 can retrain the plastic strain of beam column, the strength and stiffness of node can both be got a promotion.
As Fig. 2 and Fig. 3, anchoring piece 4 is made up of the T-steel group organizing spaced setting more, often organize T-steel group and comprise two T-steels be oppositely arranged 41, in T-steel group, a T-steel 41 is that another T-steel 41 rotates 180 ° of formation, the steel rib 412 that each T-steel 41 has the steel wing 411 and extends in the middle part of the steel wing 411, the steel wing 411 and steel rib 412 form T-shaped jointly, the steel wing 411 of two T-steels 41 in T-steel group is parallel to each other, steel rib 412 pointing direction is contrary, the steel wing 411 of the T-steel 41 in the T-steel group in Fig. 2 in concrete beam 1 is all longitudinally arranged, two adjacent steel ribs 412 point on the contrary, one towards a left side, one towards the right side, the steel wing 411 all horizontally sets of the T-steel 41 in the T-steel group in concrete column 2, two adjacent steel ribs 412 point on the contrary, one down, one upward, therefore uniform distribution can be formed in beam column built from concrete, this arrangement can make the uniform power transmission of gusset plate 5 to beam column built from concrete, strengthen the collaborative work ability of each angle steel group, ensure gusset plate 5 stability under loading, give full play to the anti-seismic performance of node under tension and compression load, ensure the stability that buckling restrained brace works when earthquake occurs.
Many groups T-steel group is distributed in concrete beam 1 or concrete column 2 uniformly, distance between two groups of T-steel groups equals the distance in T-shaped firm group between two T-steels 41, anchoring piece 4 in concrete beam 1 and concrete column 2 is arranged evenly, the problem of unbalance stress can not be there is.The development length of T-steel is equal with the thickness of concrete beam 1 or concrete column, and the quantity of T-steel can be selected according to the actual requirements.T-steel is adopted in the present invention, because the sectional dimension of T-steel in beam column built from concrete is less, pre-buried concrete beam and column node is less to concrete collaborative work capacity, there is spacing between two T-steels simultaneously, this connected node is made not affect the layout of beam-column hooping and vertical muscle, facilitate structure Construction treatment, do not affect concreting and reinforcement construction, and be easy to realize suitability for industrialized production, site assembly is easy, building site accurate positioning, thus greatly save the set-up time, improve engineering efficiency.And the model of T-steel is many, the T-steel of arbitrary section size can be selected, and not need plurality of steel plates to weld, easy and simple to handle.
As Fig. 1 and Fig. 2, the two ends of T-steel 41 are welded in anchor slab 3 respectively, anchor slab 3 has level board 31 and vertical plate 32, level board 31 fits in the edge of concrete beam 1, vertical plate 32 fits in the edge of concrete column 2, anchoring piece 4 and anchor slab 3 is buried underground in beam column built from concrete, add the steel ratio of node region, therefore the strength and stiffness of node are obtained for lifting, and gusset plate 5 retrains the plastic strain of beam column to a certain extent, beam may be occurred, and the position that plasticity is twisted is shifted in girder span by beam-ends, is very beneficial for the design principles of " strong node, weak rod member ".
As Fig. 1, the adjacent dual-side of gusset plate 5 is welded in level board 31 and vertical plate 32 respectively, the side edge length that the outer end of anchor slab 3 is welded with anchor slab 3 than gusset plate 5 lengthens 150mm, learn through finite element analysis, the length that this section lengthens effectively can bear part extruding, avoid contact concrete to enter stress collected state too early, extend the Nodes life-span.Gusset plate 5 is provided with the bolt hole 6 be fixedly connected with for buckling restrained brace, and gusset plate 5 surface thereof is provided with protrusion between two row's bolts hole 6, two row bolts hole 6 and is provided with stiffening rib 7, and the quantity of bolt hole 6 is determined according to the actual requirements.
In factory, first the two ends of the first T-steel 41, second T-steel 42 are welded in anchor slab 3, are welded by the mode of plug welding, the first T-steel 41 is mutually vertical with the second T-steel 42.Then welded with anchor slab 3 by gusset plate 5, the mode of being welded by double welded joint is welded, and is welded on gusset plate 5 by stiffening rib 7, and in factory, completes the operation of die-cut bolt hole 6 on gusset plate 5 in advance.After above-mentioned node component completes in advance in factory, node is placed in the node location of concrete beam 1 and concrete column 2, assembling reinforcement, fixes by template, concreting, is finally completed and being fixedly connected with of buckling restrained brace by the bolt hole 6 on gusset plate 5 with frictional high-strength bolts.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those skilled in the art are to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in right of the present invention.
Claims (5)
1. a buckling restrained brace and beam column built from concrete T-steel anchor connection node, it is characterized in that, comprise: be anchored at the anchoring piece in concrete beam and concrete column, be located at the anchor slab at described anchoring piece two ends, and be connected to the gusset plate of described anchor slab, described anchoring piece is made up of the T-steel group organizing spaced setting more, often organize described T-steel group and comprise two T-steels be oppositely arranged, the steel rib that described T-steel has the steel wing and extends in the middle part of the described steel wing, the described steel wing and described steel rib form T-shaped jointly, the steel wing of two T-steels in described T-steel group is parallel to each other, steel rib pointing direction is contrary, the two ends of described T-steel are welded on described anchor slab respectively, described anchor slab has level board and vertical plate, described level board fits in the edge of described concrete beam, described vertical plate fits in the edge of described concrete column, the adjacent dual-side of described gusset plate is welded in described level board and described vertical plate respectively, described gusset plate is provided with the bolt hole be fixedly connected with for buckling restrained brace.
2. buckling restrained brace according to claim 1 and beam column built from concrete T-steel anchor connection node, it is characterized in that: the described T-steel group of many groups is distributed in described concrete beam or concrete column uniformly, and the distance described in two groups between T-steel group equals the distance in described T-steel group between two described T-steels.
3. buckling restrained brace according to claim 2 and beam column built from concrete T-steel anchor connection node, is characterized in that: in described T-steel group, a described T-steel is that T-steel described in another rotates 180 ° of formation.
4. buckling restrained brace according to claim 1 and beam column built from concrete T-steel anchor connection node, is characterized in that: the side edge length that the outer end of described anchor slab is welded with described anchor slab than described gusset plate lengthens 150mm.
5. buckling restrained brace according to claim 1 and beam column built from concrete T-steel anchor connection node, is characterized in that: described gusset plate surface thereof is provided with two row's bolts hole, protrudes and be provided with stiffening rib between the described bolt hole of two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860218.9A CN105297891A (en) | 2015-11-26 | 2015-11-26 | Flexing constraint support and concrete beam-column T-shaped steel anchoring and connecting node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510860218.9A CN105297891A (en) | 2015-11-26 | 2015-11-26 | Flexing constraint support and concrete beam-column T-shaped steel anchoring and connecting node |
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| Publication Number | Publication Date |
|---|---|
| CN105297891A true CN105297891A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510860218.9A Pending CN105297891A (en) | 2015-11-26 | 2015-11-26 | Flexing constraint support and concrete beam-column T-shaped steel anchoring and connecting node |
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| CN (1) | CN105297891A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100275A (en) * | 2017-04-21 | 2017-08-29 | 黑龙江八农垦大学 | The angle steel web member connecting node that a kind of steel plate shear force wall is connected with concrete frame |
| CN107119825A (en) * | 2017-04-21 | 2017-09-01 | 黑龙江八农垦大学 | The T-steel truss connecting node that a kind of steel plate shear force wall is connected with concrete frame |
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| JP2009144500A (en) * | 2007-11-22 | 2009-07-02 | Asahi Industries Co Ltd | Shearing reinforcement structure for column-beam joint part of uppermost story |
| CN104563304A (en) * | 2015-01-13 | 2015-04-29 | 沈阳建筑大学 | Joint for connecting buckling-restrained brace, concrete beam and concrete column |
| CN204456452U (en) * | 2015-01-13 | 2015-07-08 | 沈阳建筑大学 | A kind of buckling restrained brace and concrete frame beam connecting node |
| CN204456451U (en) * | 2015-01-13 | 2015-07-08 | 沈阳建筑大学 | The connected node of a kind of buckling restrained brace and concrete beam and column |
| CN205153120U (en) * | 2015-11-26 | 2016-04-13 | 沈阳建筑大学 | Buckling restrained brace and concrete beam column T shaped steel anchor connected node |
-
2015
- 2015-11-26 CN CN201510860218.9A patent/CN105297891A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009144500A (en) * | 2007-11-22 | 2009-07-02 | Asahi Industries Co Ltd | Shearing reinforcement structure for column-beam joint part of uppermost story |
| CN104563304A (en) * | 2015-01-13 | 2015-04-29 | 沈阳建筑大学 | Joint for connecting buckling-restrained brace, concrete beam and concrete column |
| CN204456452U (en) * | 2015-01-13 | 2015-07-08 | 沈阳建筑大学 | A kind of buckling restrained brace and concrete frame beam connecting node |
| CN204456451U (en) * | 2015-01-13 | 2015-07-08 | 沈阳建筑大学 | The connected node of a kind of buckling restrained brace and concrete beam and column |
| CN205153120U (en) * | 2015-11-26 | 2016-04-13 | 沈阳建筑大学 | Buckling restrained brace and concrete beam column T shaped steel anchor connected node |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100275A (en) * | 2017-04-21 | 2017-08-29 | 黑龙江八农垦大学 | The angle steel web member connecting node that a kind of steel plate shear force wall is connected with concrete frame |
| CN107119825A (en) * | 2017-04-21 | 2017-09-01 | 黑龙江八农垦大学 | The T-steel truss connecting node that a kind of steel plate shear force wall is connected with concrete frame |
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Application publication date: 20160203 |