CN205276498U - Buckling restrained brace and concrete beam column angle steel plate formula anchor connected node - Google Patents
Buckling restrained brace and concrete beam column angle steel plate formula anchor connected node Download PDFInfo
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- CN205276498U CN205276498U CN201520966738.3U CN201520966738U CN205276498U CN 205276498 U CN205276498 U CN 205276498U CN 201520966738 U CN201520966738 U CN 201520966738U CN 205276498 U CN205276498 U CN 205276498U
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Abstract
The utility model provides a buckling restrained brace and concrete beam column angle steel plate formula anchor connected node, includes anchor in the connection plate of concrete beam and concrete column node, the connection plate have the anchor in first portion in concrete beam and the concrete column with be located the outer second portion of concrete beam and concrete column, the positive and negative surperficial symmetrical of first portion has a plurality of angle steel group, angle steel group is including being located first angle steel in the concrete beam is organized and is located second angle steel group in the concrete column, first angle steel group has four first angle steel and centers on, and is adjacent first angle steel is the axial symmetry setting, second angle steel group has two second angle steel and forms a line two the second angle steel is the central symmetry setting, the second portion is equipped with the screw hole that supplies buckling restrained brace fixed connection. The mode of arranging of above -mentioned angle steel can make the even biography of connection plate do all can for concrete beam column, guarantees connection plate atress stability, improves node anti -seismic performance.
Description
Technical field
The utility model relates to building structural member, particularly relates to a kind of buckling-restrained constraint and supports and the board-like anchor connection node of beam column built from concrete angle steel.
Background technology
High-performance is just applied at building field because having anti-seismic performance, easy construction and save material etc. to be with buckling-restrained support concrete frame structure. Wherein the connection node of buckling-restrained support and concrete frame is an extremely important ring in whole structure, need that there is enough intensity, suitable rigidity, enough rotation abilities, can reasonably Transfer of Shear and moment of flexure, also easily being made and easy construction, good node to be met the principle of design of " strong node, weak component " simultaneously.
In order to meet above-mentioned requirements, this is studied by technician, a kind of buckling-restrained support as disclosed in Chinese patent CN104563304A and the connection node of concrete beam and column, it is made up of the anchoring part being anchored in beams of concrete and coagulation earth pillar and the node plate being placed in beams of concrete and coagulation earth pillar outside, anchoring part is made up of three spaced H profile steel, H profile steel and anchor slab are integrally welded, node plate is integrally welded with the anchor slab being positioned at beams of concrete top and the main inner side of concrete, node plate processes for the bolt hole that buckling-restrained support is fixedly connected with.
The structure that above-mentioned employing H profile steel is anchored in beam column built from concrete can the intensity of strengthened beam post to a certain extent, the viscous deformation of beam post can be retrained to a certain extent, but the contact area of H profile steel in concrete is big, 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, concrete with H profile steel contact position is occurred, and 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 post, and then affect concrete placement and reinforcement construction. and H profile steel model is less, can not being used by part-structure, can only adopt lattice, namely be welded with three block plates, manufacturing procedure is many, complicated operation.
Therefore, it is necessary to design the connection node of a kind of better buckling-restrained support and beam column built from concrete, to solve the problem.
Practical novel content
For prior art Problems existing, the utility model provides a kind of angle steel size less, bury concrete beam and column node in advance the impact of concrete collaborative work ability is less, do not affect the layout of stirrup and vertical muscle in former concrete beam post, and angle steel can select arbitrarily cross section size, ensure buckling-restrained support and the board-like anchor connection node of beam column built from concrete angle steel of anchoring property.
In order to realize above-mentioned purpose, the utility model adopts following technical scheme:
A kind of buckling-restrained support and the board-like anchor connection node of beam column built from concrete angle steel, comprise the node plate being anchored in beams of concrete and concrete column reinforcing joint place, described node plate has the first part being anchored in described beams of concrete and coagulation earth pillar and the second section being positioned at outside described beams of concrete and coagulation earth pillar, the positive and negative surface of described first part is symmetrically welded with multiple angle steel group, described angle steel group comprises the first angle steel group being positioned at described beams of concrete and the 2nd angle steel group being positioned at described coagulation earth pillar, described first angle steel group have four the first angle steel enclosings around, adjacent described first angle steel is arranged axisymmetricly, described 2nd angle steel group has two the 2nd angle steel and forms a line, two described 2nd angle steel are centrosymmetric setting, described second section is provided with for the threaded hole that buckling-restrained support is fixedly connected with.
Further, two row two row lined up by described first angle steel, and the first angle steel described in each rotates 90 �� relative to described first angle steel being adjacent in described node board plane, and four described first angle steel surround the degree of lip-rounding jointly.
Further, there is interval each other in four described first angle steel.
Further, two described 2nd angle steel are towards each other, the 2nd angle steel described in one of them is that the 2nd angle steel described in another rotates 180 �� of formation in described node board plane.
Further, described first angle steel and described 2nd angle steel plug welding are on described node plate.
Further, described first angle steel is identical with the structure of described 2nd angle steel.
The beneficial effects of the utility model:
The positive and negative surface of first part is symmetrically welded with multiple angle steel group, angle steel is adopted to carry out anchoring, owing to the size of angle steel is less, bury concrete beam and column node in advance the impact of concrete collaborative work ability is less, between angle steel and angle steel, there is spacing, this connection node is made not affect beam-column hooping and the layout of vertical muscle, convenient construction, and the model of right angle angle steel is many, can select the angle steel of arbitrary section size, and do not need to weld plurality of steel plates, easy and simple to handle.
And angle steel group comprises the first angle steel group being positioned at beams of concrete and the 2nd angle steel group being positioned at coagulation earth pillar, first angle steel group have four the first angle steel enclosings around, the first adjacent angle steel is arranged axisymmetricly, 2nd angle steel group has two the 2nd angle steel and forms a line, two the 2nd angle steel are centrosymmetric setting, this kind of decoration form can make the uniform power transmission of node plate to beam column built from concrete, strengthen the collaborative work ability of each angle steel group, ensure node plate stability under loading, give full play to the anti-seismic performance of node under tension and compression load, ensure the buckling-restrained stability being supported on work when earthquake occurs.
Accompanying drawing explanation
Fig. 1 is the buckling-restrained support of the utility model and the structural representation of the board-like anchor connection node of beam column built from concrete angle steel;
Fig. 2 is the buckling-restrained support of the utility model and the vertical view of the board-like anchor connection node of beam column built from concrete angle steel;
Fig. 3 is the structural representation that the utility model angle steel is welded in node plate;
In figure, 1 beams of concrete, 2 coagulation earth pillars, 3 node plates, 31 first parts, 32 second sections, 4 first angle steel groups, 41 first angle steel, 5 the 2nd angle steel groups, 51 the 2nd angle steel, 6 bolts hole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only part 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 other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Need explanation, all directivity instruction (such as up, down, left, right, before and after in the utility model embodiment ...) only for explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, the description relating to " first ", " the 2nd " etc. in the utility model is only for describing object, and can not be interpreted as instruction or imply its relative importance or the implicit quantity indicating indicated technology feature. Thus, be limited with " first ", the feature of " the 2nd " can express or implicit 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 kind of technical scheme does not exist, also not the utility model require protection domain within.
Such as Fig. 1 and Fig. 2, the utility model provides a kind of buckling-restrained support and the board-like anchor connection node of beam column built from concrete angle steel, comprise the node plate 3 being anchored in beams of concrete 1 and coagulation earth pillar 2 node place, node plate 3 has the first part 31 being anchored in beams of concrete 1 and coagulation earth pillar 2 and the second section 32 being positioned at outside beams of concrete 1 and coagulation earth pillar 2, the positive and negative surface of first part 31 is symmetrically welded with multiple angle steel group, and second section 32 is provided with for the threaded hole 6 that buckling-restrained support is fixedly connected with. Liang Zhuzhong has buried angle steel group and node plate 3 in advance, add the steel ratio of node region, therefore the strength and stiffness of node are obtained for lifting, and node plate 3 retrains the viscous deformation of beam post to a certain extent, the position making beam may occur that plasticity is twisted is shifted in girder span by beam-ends, it is very beneficial for the principle of design of " strong node, weak rod member ".
Such as Fig. 1 and Fig. 3, angle steel group comprises the first angle steel group 4 being positioned at beams of concrete 1 and the 2nd angle steel group 5 being positioned at coagulation earth pillar 2, first angle steel group 4 has four the first angle steel 41 and lines up two row two row, and surround into " mouth " font, and four the first angle steel 41 exist interval each other, the row making the setting of the first angle steel 41 can not affect reinforcing bar in beams of concrete 1 establishes. The first adjacent angle steel 41 is arranged axisymmetricly, namely each first angle steel 41 has turned 90 �� relative to the first angle steel 41 being adjacent at node plate 3 plane internal rotation, this kind of arrangement mode can make the uniform power transmission of node plate 3 to beams of concrete 1, ensures node plate 3 stability under loading.
2nd angle steel group has two the 2nd angle steel 51 and forms a line, 2nd angle steel 51 is identical with the structure of the first angle steel 41, two the 2nd angle steel 51 are towards each other, be centrosymmetric setting, namely one of them the 2nd angle steel 51 is that another the 2nd angle steel 51 turns 180 �� of formation at node plate 3 plane internal rotation, this kind of arrangement mode can make the uniform power transmission of node plate 3 to coagulation earth pillar 2, ensures node plate 3 stability under loading. The decoration form of angle steel can make the uniform power transmission of node plate 3 to beam column built from concrete, strengthen the collaborative work ability of each angle steel group, ensure node plate 3 stability under loading, give full play to the anti-seismic performance of node under tension and compression load, ensure the buckling-restrained stability being supported on work when earthquake occurs.
The utility model adopts angle steel, relative to background technology, decreases the consumption of built-in fitting, thus decreases the problem that bean column node concrete subregion brings unbalance stress. And the model of angle steel is many, the angle steel of arbitrary section size can be selected, avoid owing to the restriction of material model brings selection and difficult arrangement.
In factory first by first angle steel 41 at right angle, the 2nd angle steel 51 plug welding on node plate 3, and in factory, complete the operation at node plate 3 die cut bolt hole 6 in advance. After above-mentioned node component completes in advance in factory, node is placed in beams of concrete 1 and the node location of coagulation earth pillar 2, and assembling reinforcement, fixes by template, casting concrete, is finally completed and being fixedly connected with of buckling-restrained support by the bolt hole 6 on node plate 3 with frictional high-strength bolts. The thickness of the quantity of angle steel and bolt hole 6, size and node plate 3 is determined according to actual demand.
Above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although the utility model being described in detail with reference to better embodiment, those skilled in the art are to be understood that, the technical solution of the utility model can be modified or equivalent replacement, and not departing from objective and the scope of the technical program, it all should be encompassed in right of the present utility model.
Claims (6)
1. a buckling-restrained support and the board-like anchor connection node of beam column built from concrete angle steel, it is characterized in that, comprise: the node plate being anchored in beams of concrete and concrete column reinforcing joint place, described node plate has the first part being anchored in described beams of concrete and coagulation earth pillar and the second section being positioned at outside described beams of concrete and coagulation earth pillar, the positive and negative surface of described first part is symmetrically welded with multiple angle steel group, described angle steel group comprises the first angle steel group being positioned at described beams of concrete and the 2nd angle steel group being positioned at described coagulation earth pillar, described first angle steel group have four the first angle steel enclosings around, adjacent described first angle steel is arranged axisymmetricly, described 2nd angle steel group has two the 2nd angle steel and forms a line, two described 2nd angle steel are centrosymmetric setting, described second section is provided with for the threaded hole that buckling-restrained support is fixedly connected with.
2. buckling-restrained support according to claim 1 and the board-like anchor connection node of beam column built from concrete angle steel, it is characterized in that: two row two row lined up by described first angle steel, first angle steel described in each rotates 90 �� relative to described first angle steel being adjacent in described node board plane, and four described first angle steel surround the degree of lip-rounding jointly.
3. buckling-restrained support according to claim 2 and the board-like anchor connection node of beam column built from concrete angle steel, it is characterised in that: there is interval each other in four described first angle steel.
4. buckling-restrained support according to claim 1 and the board-like anchor connection node of beam column built from concrete angle steel, it is characterized in that: two described 2nd angle steel are towards each other, the 2nd angle steel described in one of them is that the 2nd angle steel described in another rotates 180 �� of formation in described node board plane.
5. buckling-restrained support according to claim 1 and the board-like anchor connection node of beam column built from concrete angle steel, it is characterised in that: described first angle steel and described 2nd angle steel plug welding are on described node plate.
6. buckling-restrained support according to claim 1 and the board-like anchor connection node of beam column built from concrete angle steel, it is characterised in that: described first angle steel is identical with the structure of described 2nd angle steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966738.3U CN205276498U (en) | 2015-11-26 | 2015-11-26 | Buckling restrained brace and concrete beam column angle steel plate formula anchor connected node |
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| CN201520966738.3U CN205276498U (en) | 2015-11-26 | 2015-11-26 | Buckling restrained brace and concrete beam column angle steel plate formula anchor connected node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332428A (en) * | 2015-11-26 | 2016-02-17 | 沈阳建筑大学 | Steel angle plate-type anchoring connection joint for buckling-restrained brace and concrete beam column |
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2015
- 2015-11-26 CN CN201520966738.3U patent/CN205276498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332428A (en) * | 2015-11-26 | 2016-02-17 | 沈阳建筑大学 | Steel angle plate-type anchoring connection joint for buckling-restrained brace and concrete beam column |
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