CN205153121U - Buckling restrained brace and concrete beam column angle steel anchor connected node - Google Patents

Buckling restrained brace and concrete beam column angle steel anchor connected node Download PDF

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Publication number
CN205153121U
CN205153121U CN201520969651.1U CN201520969651U CN205153121U CN 205153121 U CN205153121 U CN 205153121U CN 201520969651 U CN201520969651 U CN 201520969651U CN 205153121 U CN205153121 U CN 205153121U
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angle steel
concrete
column
anchor
restrained brace
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CN201520969651.1U
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李帼昌
李文明
李嘉奇
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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Abstract

The utility model provides a buckling restrained brace and concrete beam column angle steel anchor connected node, including the anchor assembly of anchor in concrete beam and concrete column, locate the anchor slab at anchor assembly both ends, and connect in the connection plate of anchor slab, anchor assembly separates the angle steel fabric that sets up each other by the multiunit and becomes, angle steel group of every group is including being first angle steel and the second angle steel that central symmetry set up, weld respectively in the anchor slab at the both ends of first angle steel and second angle steel, the anchor slab has integrative horizontal plate and the vertical board that sets up, the horizontal plate is laminated in concrete beam's edge, vertical board is laminated in the edge of concrete column, weld respectively in horizontal plate and vertical board on the adjacent both sides limit of connection plate, be equipped with the bolt hole that supplies buckling restrained brace fixed connection on the connection plate. First angle steel and second angle steel central symmetry set up, are favorable to the the force balance of connection plate, guarantee that the node evenly passes power, and pre -buried angle steel and anchor slab in the beam column have increased the rigidity and the intensity of beam column, adopt orthogonal angle steel, and the optional model is many, the commonality height.

Description

Buckling restrained brace and beam column built from concrete angle steel anchor connection node
Technical field
The utility model relates to building structural member, particularly relates to a kind of buckling restrained brace and beam column built from concrete angle 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.
Utility model content
For prior art Problems existing, the utility model provides a kind of angle cross section size less, pre-buried concrete beam and column node is less to concrete collaborative work capacity, does not affect buckling restrained brace and the beam column built from concrete angle steel anchor connection node of the layout of stirrup and vertical muscle in former concrete beam column.
To achieve these goals, the utility model adopts following technical scheme:
A kind of buckling restrained brace and beam column built from concrete angle 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 angle steel group organizing spaced setting more, often organize described angle steel group and comprise the first angle steel and the second angle steel that are centrosymmetric and arrange, the two ends of described first angle steel and described second angle steel are welded in 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 angle steel group of many groups is distributed in described concrete beam or concrete column uniformly, and the distance described in two groups between angle steel group equals the distance between described first angle steel and described second angle steel.
Further, described second angle steel is that described first angle steel rotates 180 ° of formation, and described second angle steel and described first angle steel can fasten as the degree of lip-rounding.
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.
The beneficial effects of the utility model:
Anchoring piece is made up of the angle steel group organizing spaced setting more, often organize angle steel group and comprise the first angle steel and the second angle steel that are centrosymmetric and arrange, be conducive to the stress balance of gusset plate, ensure the even power transmission of node, the two ends of the first angle steel and the second angle steel are welded in anchor slab respectively, pre-buried angle 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 utility model adopts angle steel to be anchored in beam column, because the sectional dimension of angle steel is less, pre-buried concrete beam and column node is less to concrete collaborative work capacity, there is spacing between two angle steel simultaneously, this connected node is made not affect the layout of beam-column hooping and vertical muscle, convenient construction, and the model of angle steel is many, the angle 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 the utility model buckling restrained brace and beam column built from concrete angle steel anchor connection node;
Fig. 2 is the sectional view of the utility model buckling restrained brace and beam column built from concrete angle steel anchor connection node;
Fig. 3 is the structural representation that the utility model anchoring piece, 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, the 41-the first angle steel, the 42-the second angle steel, 5-gusset plate, 6-bolt hole, 7-stiffening rib.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Need explanation, all directionality instruction (such as up, down, left, right, before and afters in the utility model embodiment ...) 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, in the utility model, relate to the description of " first ", " second " etc. 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 the utility model require protection domain within.
As Fig. 1, the utility model proposes a kind of buckling restrained brace and beam column built from concrete angle steel anchor connection node, comprise the anchoring piece 4 be anchored in concrete beam 1 and concrete column 2, be 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 angle steel group organizing spaced setting more, often organize angle steel group and comprise the first angle steel 41 and the second angle steel 42 being centrosymmetric and arranging, second angle steel 42 is that the first angle steel 41 planar rotates 180 ° of formation, second angle steel 42 and the first angle steel 41 can fasten as the degree of lip-rounding, and the first angle steel 41 and the second angle steel 42 are right angle type, the first angle steel 41 and the second angle steel 42 that Central Symmetry is arranged, be conducive to the stress balance of gusset plate 5, ensure the even power transmission of node.Many groups angle steel group is distributed in concrete beam 1 or concrete column 2 uniformly, distance between two groups of angle steel groups equals the distance between the first angle steel 41 and the second angle steel 42, 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 angle steel is equal with the thickness of concrete beam 1 or concrete column, and the quantity of angle steel can be selected according to the actual requirements.The angle steel at right angle is adopted in the utility model, because the sectional dimension of angle steel is less, pre-buried concrete beam and column node is less to concrete collaborative work capacity, there is spacing between two angle steel 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 angle steel is many, the angle 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 the first angle steel 41 and the second angle steel 42 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 3 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, be very beneficial for " strong node, weak rod member " design principles.
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 first angle steel 41, second angle steel 42 at right angle are welded in anchor slab 3, welded by the mode of plug welding, then gusset plate 5 is welded with anchor slab 3, the mode of being welded by double welded joint is welded, and be welded on gusset plate 5 by stiffening rib 7, and in factory, complete 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 the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those skilled in the art are to be understood that, can modify to the technical solution of the utility model 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 utility model.

Claims (5)

1. a buckling restrained brace and beam column built from concrete angle 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 angle steel group organizing spaced setting more, often organize described angle steel group and comprise the first angle steel and the second angle steel that are centrosymmetric and arrange, the two ends of described first angle steel and described second angle steel are welded in 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 angle steel anchor connection node, it is characterized in that: the described angle steel group of many groups is distributed in described concrete beam or concrete column uniformly, and the distance described in two groups between angle steel group equals the distance between described first angle steel and described second angle steel.
3. buckling restrained brace according to claim 1 and beam column built from concrete angle steel anchor connection node, is characterized in that: described second angle steel is that described first angle steel rotates 180 ° of formation, and described second angle steel and described first angle steel can fasten as the degree of lip-rounding.
4. buckling restrained brace according to claim 1 and beam column built from concrete angle 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 angle 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.
CN201520969651.1U 2015-11-26 2015-11-26 Buckling restrained brace and concrete beam column angle steel anchor connected node Active CN205153121U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297890A (en) * 2015-11-26 2016-02-03 沈阳建筑大学 Anchor connection node for buckling-restrained brace and concrete beam-column steel angles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105297890A (en) * 2015-11-26 2016-02-03 沈阳建筑大学 Anchor connection node for buckling-restrained brace and concrete beam-column steel angles

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