CN214302987U - Connecting device for connecting joint of buckling restrained brace and existing concrete beam - Google Patents
Connecting device for connecting joint of buckling restrained brace and existing concrete beam Download PDFInfo
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- CN214302987U CN214302987U CN202022516630.8U CN202022516630U CN214302987U CN 214302987 U CN214302987 U CN 214302987U CN 202022516630 U CN202022516630 U CN 202022516630U CN 214302987 U CN214302987 U CN 214302987U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000004873 anchoring Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- 230000003014 reinforcing effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model discloses a connecting device of a buckling restrained brace and an existing concrete beam connecting node, which comprises a plurality of U-shaped steel plates, wherein the U-shaped steel plates are arranged along the length direction of the existing concrete beam and an existing floor slab on the existing concrete beam; the U-shaped steel plate is fixed on the existing concrete beam through a split bolt; the sealing bottom plate is arranged on the lower surface of the existing concrete beam and welded with the U-shaped steel plate; the anchoring bolt anchors the sealing bottom plate on the existing concrete beam; and the gusset plate is vertically arranged on the lower surface of the sealing bottom plate. The utility model discloses can improve the existing concrete beam and the reliability of bucking restraint support is connected.
Description
Technical Field
The utility model relates to a building engineering technical field, in particular to buckling restrained brace and existing concrete beam connected node's connecting device.
Background
In the project of reinforcing and transforming the upper structure of the existing building, the traditional method is to use the added supports between the common columns to consume energy and resist earthquake force by increasing the column section, the beam section or the common columns. The construction method has the disadvantages that when the area of the cross section of the beam or the column is increased greatly, the use function of the building is influenced, the construction cost is higher, the damage of the connecting node of the common support and the original concrete member to the original structure is larger, and the construction difficulty is large. In the prior art, the buckling restrained brace is connected to an existing concrete beam to resist earthquake force, and the buckling restrained brace has the defects that the existing concrete beam is low in strength and easy to damage at a connection node, and when the yielding buckling restrained brace is vibrated by axial force, the buckling restrained brace is easily loosened and even separated from the existing concrete beam, so that the buckling restrained brace is poor in reliable connection with the existing concrete beam.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a buckling restrained brace and existing concrete beam connected node's connecting device is provided to improve its reliability with buckling restrained brace and be connected.
In order to solve the technical problem, the utility model provides a technical scheme is: a connecting device of buckling restrained brace and existing concrete beam connected node includes:
the U-shaped steel plates are arranged along the length direction of the existing concrete beam and the existing floor slab on the existing concrete beam; each U-shaped steel plate comprises a transverse steel plate and two vertical steel plates which are vertically connected downwards along two ends of the transverse steel plate; the transverse steel plates are arranged on the existing floor slab, the two vertical steel plates avoid the reinforcing steel bars of the existing floor slab from penetrating through the existing floor slab and extend downwards along the two sides of the existing concrete beam, and the lower ends of the vertical steel plates are flush with the lower surface of the existing concrete beam;
the split bolts penetrate through the existing concrete beam to fix the U-shaped steel plate on the existing concrete beam;
the sealing bottom plate is arranged on the lower surface of the existing concrete beam and welded with the vertical steel plates, the length of the sealing bottom plate is greater than or equal to the distance between the U-shaped steel plates at the beginning and the end, and the width of the sealing bottom plate is greater than or equal to the width between two vertical steel plates in the U-shaped steel plates;
the anchoring bolt penetrates through the sealing bottom plate and is arranged on the existing concrete beam in an anchoring mode;
and the gusset plate is vertically arranged on the lower surface of the sealing bottom plate.
Further, the utility model provides a bucking restraint is supported and is had concrete beam connected node's connecting device still includes:
the adapter assembly comprises an end plate, an adapter plate vertically connected to the end plate and a stiffening plate arranged between the end plate and the adapter plate;
and the buckling restrained brace is installed on the sealing bottom plate and the gusset plate through the adapter assembly.
Further, the utility model provides a bucking restraint is supported and is had concrete beam connected node's connecting device, the keysets includes the horizontal plane of being connected with the back cover plate and the vertical face of being connected with the gusset plate.
Further, the utility model provides a bucking restraint is supported and is had concrete beam connected node's connecting device, every be provided with the confession on the vertical steel sheet the through-hole that the split bolt passed.
Further, the utility model provides a bucking confined stay and existing concrete beam connected node's connecting device, it is a plurality of to the stay bolt, a plurality of to the stay bolt along existing concrete beam longitudinal distribution.
Further, the utility model provides a bucking restraint is supported and is connected device with existing concrete beam connected node, the back cover plate is a whole board or the concatenation of the board of multiple board.
Further, the utility model provides a bucking restraint is supported and is had concrete beam connected node's connecting device, the anchor bolt is the chemical crab-bolt, the chemical crab-bolt is a plurality of matrix distribution.
Further, the utility model provides a bucking restraint is supported and is connected node's connecting device with existing concrete beam, the gusset plate includes the first board that the edge existing concrete beam length direction set up of cross setting and the second board that sets up along existing concrete beam width direction.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides a bucking restraint is supported and existing concrete beam connected node's connecting device, wrap up existing concrete beam around through the U shaped steel board that runs through existing floor and the back cover plate that is located existing concrete beam lower surface, fix U shaped steel board on existing concrete beam through split bolt, strengthen fixing the back cover plate on existing concrete beam through anchor bolt, form firm overall structure relatively with existing concrete beam through U shaped steel board and back cover plate, with the axial force that resists the transmission of bucking restraint support jointly. Because the buckling restrained brace can be directly connected to the sealing bottom plate or connected to the sealing bottom plate through the adapter assembly, the axial force transmitted by the buckling restrained brace is jointly borne by the sealing bottom plate, the U-shaped steel plate and the existing concrete beam instead of only the existing concrete beam, so that the existing concrete beam is not damaged due to concrete fracture and the like at the connecting node, and the buckling restrained brace is not loosened and separated from the existing concrete beam due to the transmission of the axial force, so that the reliable connection between the buckling restrained brace and the existing concrete beam can be improved.
The utility model provides a bucking restraint is supported and is connected device with existing concrete beam connected node, when U shaped steel board runs through existing floor, avoids the reinforcing bar of existing floor, does not cut the reinforcing bar, and is less to the structural stability and the structural strength influence of existing floor. The influence of the tension bolts and the anchor bolts on the structural strength and the structural stability of the existing concrete beam is small, the influence on the safety performance of the existing floor slab and the existing concrete beam is avoided, and therefore the effect that the risk is controllable is achieved.
The utility model provides a bucking restraint brace and existing concrete beam connected node's connecting device has simple structure, simple to operate's advantage for increasing the girder cross-section, increasing construction methods such as intercolumnar bracing.
The utility model provides a bucking restraint is supported and is connected device of node with existing concrete beam, U shaped steel board and back cover plate play the hoop reinforcing action to existing concrete beam, play the effect of firm connection to stay bolt to U shaped steel board and anchor bolt to the back cover plate, have construction simple process, the reliable effect of construction quality.
The utility model provides a bucking restraint is supported and existing concrete beam connected node's connecting device comprises U shaped steel board, back cover plate, split bolt, anchor bolt and gusset plate, in reforming transform the engineering to existing building reinforcement, can solve the problem that bucking restraint was supported and existing concrete beam reliability is connected to support through bucking restraint and reach the absorbing purpose, in order to resist the earthquake power, its engineering cost is lower.
Drawings
FIG. 1 is a schematic diagram of a connection device 200;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 1;
fig. 5 is a schematic sectional view of an existing concrete beam and an existing floor slab;
FIG. 6 is a schematic structural view of a U-shaped steel plate;
FIG. 7 is a schematic structural view of a buckling restrained brace in an installed state on an existing concrete beam;
FIG. 8 is a schematic structural view of the buckling restrained brace in a disassembled state from an existing concrete beam;
FIG. 9 is a front view of the adapter assembly;
FIG. 10 is a schematic cross-sectional view taken along line D-D of FIG. 9;
shown in the figure:
110. the method comprises the following steps of (1) forming an existing floor slab, 111, reinforcing steel bars, 112, holes, 120, existing concrete beams, 121 and bolt holes;
200. the connecting device comprises a connecting device 210, a U-shaped steel plate 211, a transverse steel plate 212, a vertical steel plate 213, a through hole 220, a sealing bottom plate 230, a split bolt 240, an anchoring bolt 250 and a gusset plate;
300. buckling restrained brace;
400. adapter assembly, 410, end plate, 420, adapter plate, 430, stiffener, 421, horizontal plane, 422, vertical plane.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example one
Referring to fig. 1 to 6, an embodiment of the present invention provides a connecting device 200 for a buckling restrained brace and an existing concrete beam connecting node, including a U-shaped steel plate 210, a split bolt 230, a back cover plate 220, an anchor bolt 240, and a gusset plate 250.
Referring to fig. 1 to 3 and 5 to 6, a plurality of U-shaped steel plates 210 are disposed along a length L direction of an existing concrete beam 120 and an existing floor slab 110 thereon; each of the U-shaped steel plates 210 includes a transverse steel plate 211, and two vertical steel plates 212 vertically connected downward along both ends of the transverse steel plate 211; the transverse steel plates 211 are arranged on the existing floor slabs 110, the two vertical steel plates 212 avoid the reinforcing steel bars 111 of the existing floor slabs 110 to penetrate through the existing floor slabs 110 and extend downwards along the two sides of the existing concrete beams 120, and the lower ends of the vertical steel plates 212 are flush with the lower surfaces of the existing concrete beams 120; i.e., the width between the vertical steel plates 212 is equal to the width W of the existing concrete beam 120.
Referring to fig. 1 to 2, the U-shaped steel plate 210 is fixed to the existing concrete beam 120 by the counter bolts 230 penetrating the existing concrete beam 120. In order to increase the stability of the connection, the tie bolt 230 may be provided in plurality, and a plurality of the tie bolts 230 are longitudinally distributed along the existing concrete beam 120. In order to fix the U-shaped steel plates 210 to the existing concrete beam 120, a through hole 213 through which the counter bolt 230 passes may be formed in the vertical steel plate 212 of each of the U-shaped steel plates 210.
Referring to fig. 1 to 2 and 4, a back cover plate 220 is disposed on a lower surface of an existing concrete beam 120, the back cover plate 220 is welded to the vertical steel plates 212, a length of the back cover plate 220 is greater than or equal to a distance between the U-shaped steel plates 210 at the beginning and end, and a width of the back cover plate 220 is greater than or equal to a width W between two vertical steel plates 221 in each U-shaped steel plate 210. That is, the back cover plate 220 may be a rectangular steel plate. Wherein the back cover plate 220 can be a single plate or a plurality of plates. To provide structural strength and to improve a reliable connection with the buckling restrained brace, the back cover plate 220 is preferably a unitary plate. It is of course also possible to use, for example, two-piece splices, the fewer the number of splices the better.
Referring to fig. 2 and 4, anchor bolts 240 are provided through the back cover plate 220 on the existing concrete beam 120 for reinforcing and fixing the back cover plate 220. The bottom sealing plate 220 may be provided with an anchor hole through which the anchor bolt 240 passes. The anchor bolt 240 may be a chemical anchor which is a plurality of chemical anchors distributed in a matrix. For example, the chemical anchors may be in the form of a rectangular array of 2 rows and columns. When the chemical anchor bolt anchors the existing concrete beam 120, since it has no expansive stress, it has less influence on the structural stability of the existing concrete beam 120.
Referring to fig. 1 to 2 and 4, a node plate 250 is vertically disposed on a lower surface of the bottom sealing plate 220. The gusset plate 250 may be disposed along the center of the back cover plate 220. In order to improve the coupling strength, the node plate 250 may have a crisscross structure including a first plate arranged in a crisscross manner along the length direction of the existing concrete beam 120 and a second plate arranged in a width direction of the existing concrete beam 120. Of course, the gusset plate 250 may also be a straight structure, vertically disposed at the vertical center of the back cover plate 220.
Referring to fig. 7 to 10, the connecting device 200 for connecting a buckling restrained brace to an existing concrete beam 120 according to the present invention may further include an adapter assembly 400 and a buckling restrained brace 300.
Referring to fig. 7 to 10, the adaptor assembly 400 includes an end plate 410, an adaptor plate 420 vertically connected to the end plate 410, and a stiffener plate 430 disposed between the end plate 410 and the adaptor plate 420. The stiffener plate 430 can provide stability for the interposer 420 to be placed on the end plate 410. The adaptor plate 420 is a shaped plate, for example, the adaptor plate 420 is a pentagonal plate, and at least includes a horizontal surface 421 connected to the sealing bottom plate 220 and a vertical surface 422 connected to the node plate 250. A notch for welding the stiffening plate 430 may be reserved on the end plate 410, the stiffening plate 430 is inserted into the notch for welding, and a groove may be reserved on the welding end surface of the stiffening plate 430 and the end plate 410, and the groove is upward, so as to avoid overhead welding.
Referring to fig. 7 and 8, a buckling-restrained brace 300 is mounted on the back cover plate 220 and the gusset plate 250 via the adapter assembly 400. Wherein buckling-restrained brace 300 may be a second-order yield buckling-restrained brace 300. Other buckling restrained braces of the known art are also possible. In the first embodiment of the present invention, the buckling-restrained brace 300 is disposed in an inclined manner, so that the adapter assembly 400 is required to be connected to the back cover plate 220 and the gusset plate 250.
Example two
The embodiment two of the utility model provides a buckling restrained brace and existing concrete beam connected node's connecting device 200's construction method according to above-mentioned embodiment one, include:
step 501, please refer to fig. 3 and 5, opening a hole 112 in the existing floor slab 110 on the connecting node of the existing concrete beam 120, avoiding the steel bar 111 of the existing floor slab 110. Of course, before opening the opening 112, the steps of setting out a sample, and positioning the plane of the existing floor slab 110 and the existing concrete beam 120 may be included. And includes measuring the location of the existing floor 110 rebar 111.
In step 502, referring to fig. 5, a construction bolt hole 121 is drilled in the existing concrete beam 120.
Referring to fig. 2, in step 503, the U-shaped steel plate 210 is installed through the opening 112, such that the horizontal steel plate 211 of the U-shaped steel plate 210 is placed on the existing floor 110, and the two vertical steel plates 212 extend downward along two sides of the existing concrete beam 120 through the opening 112. Wherein the U-shaped steel plate 210 may be a standard component customized for factory use.
In step 504, referring to fig. 1 to 2, the two vertical steel plates 212 of the U-shaped steel plate 210 are fixed to the existing concrete beam 120 by the tie bolts 230 passing through the bolt holes 121.
Step 505, referring to fig. 1, fig. 2 and fig. 4, after all the U-shaped steel plates 210 and the tie bolts 230 thereon are installed, installing the bottom sealing plate 220 on the lower surface of the existing concrete beam 120, and welding the bottom sealing plate 220 and the vertical steel plates 212.
Referring to fig. 2 and 4, the back cover plate 220 is fixed to the existing concrete beam 120 by the anchor bolts 240, step 506.
In step 507, referring to fig. 2 and 4, a node plate 250 is mounted on the lower surface of the bottom sealing plate 220, so that the node plate 250 is welded to the bottom sealing plate 220.
EXAMPLE III
The embodiment of the utility model provides a third provides a bucking restraint brace and existing concrete beam connected node's method of being connected, include:
step 601, please refer to fig. 7 to 8, in which the connecting device 200 is constructed according to the construction method of the connecting device of the buckling restrained brace and the existing concrete beam connecting node of the second embodiment.
In step 602, please refer to fig. 7 and 8, the adaptor assembly 400 is installed on the buckling-restrained brace 300.
Referring to fig. 7 and 8, in step 603, the adapter module 400 is welded to the bottom sealing plate 220 and the node plate 250 of the connecting device 200.
At step 604, the connector 200 and the adapter module 400 may be subjected to a fire-resistant and corrosion-resistant treatment.
The utility model discloses buckling restrained brace that above-mentioned embodiment provided and connecting device 200 and construction method and buckling restrained brace and existing concrete beam connected node's connected method of existing concrete beam connected node, U shaped steel plate 210 through running through existing floor 110 and the back cover plate 220 that is located existing concrete beam 120 lower surface encircle the parcel with existing concrete beam 120, fix U shaped steel plate 210 on existing concrete beam 120 through split bolt 230, strengthen fixing back cover plate 220 on existing concrete beam 120 through anchor bolt 240, form firm overall structure relatively through U shaped steel plate 210 and back cover plate 220 and existing concrete beam 120, U shaped steel plate 210 and back cover plate 220 constitute cyclic annular staple bolt with existing concrete beam 120 promptly, in order to resist the axial force that buckling restrained brace 300 transmitted jointly. Because the buckling restrained brace 300 can be connected to the sealing bottom plate 220 directly or through the adapter assembly 400, the axial force transmitted by the buckling restrained brace 300 is jointly borne by the sealing bottom plate 220, the U-shaped steel plate 210 and the existing concrete beam 120, but not only by the existing concrete beam 120, so that the defects of concrete breakage and the like at the connecting node can be avoided for the existing concrete beam 120, and the phenomena of looseness and separation of the connection between the buckling restrained brace and the existing concrete beam caused by the transmission of the axial force can be avoided, so that the reliable connection between the buckling restrained brace and the existing concrete beam can be improved.
The utility model discloses the connecting device 200 of bucking confined strut and existing concrete beam connected node and construction method and bucking confined strut and existing concrete beam connected node's that above-mentioned embodiment provided connection method, when U shaped steel board 210 runs through existing floor 110, avoid existing floor 110's reinforcing bar 111, do not cut reinforcing bar 111, and structural stability and structural strength to existing floor 110 influence are less. The tension bolts 230 and the anchor bolts 240 have a small influence on the structural strength and the structural stability of the existing concrete beam 120, and do not have an influence on the safety performance of the existing floor slab 110 and the existing concrete beam 120, thereby having an effect of controlling the risk.
The utility model discloses buckling restrained brace that above-mentioned embodiment provided and connecting device 200 and construction method and buckling restrained brace and existing concrete beam connected node's connected method of existing concrete beam connected node have simple structure, simple to operate's advantage for construction methods such as increase beam cross-section, increase intercolumn support.
The utility model discloses the buckling restrained brace that above-mentioned embodiment provided and connecting device 200 and construction method and buckling restrained brace and existing concrete beam connected node's connected method of existing concrete beam connected node, U shaped steel board 210 and back cover plate 220 play the hoop reinforcing effect to existing concrete beam 120, play the effect of firm connection to stay bolt 230 to U shaped steel board 210 and anchor bolt 240 to back cover plate 220, it is simple to have construction process, the reliable effect of construction quality.
The utility model discloses buckling restrained brace that above-mentioned embodiment provided and connecting device 200 and construction method and buckling restrained brace and existing concrete beam connected node's connected method of existing concrete beam connected node, connecting device 200 is by U shaped steel 210, back cover plate 220, split bolt 230, anchor bolt 240 and gusset plate 250 are constituteed, in the engineering is reformed transform to existing building reinforcement, buckling restrained brace 300 consumes energy through the restraint bucking of self, reduce connected node's seismic force, thereby can solve buckling restrained brace and the problem of existing concrete beam reliability connection under the prerequisite that does not increase the cross sectional area who has the concrete beam column promptly, thereby reach the absorbing purpose through buckling restrained brace 300, in order to resist seismic force, its engineering cost is lower.
The connecting device 200 for the buckling restrained brace and the existing concrete beam connecting node and the construction method thereof and the connecting method for the buckling restrained brace and the existing concrete beam connecting node provided by the embodiment of the utility model have more than two fingers; the plurality of matrix distribution means more than four; several means more than three.
The present invention is not limited to the above embodiments, and various changes and decorations made within the scope of the present invention are all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a buckling restrained brace and existing concrete beam connected node's connecting device which characterized in that includes:
the U-shaped steel plates are arranged along the length direction of the existing concrete beam and the existing floor slab on the existing concrete beam; each U-shaped steel plate comprises a transverse steel plate and two vertical steel plates which are vertically connected downwards along two ends of the transverse steel plate; the transverse steel plates are arranged on the existing floor slab, the two vertical steel plates avoid the reinforcing steel bars of the existing floor slab from penetrating through the existing floor slab and extend downwards along the two sides of the existing concrete beam, and the lower ends of the vertical steel plates are flush with the lower surface of the existing concrete beam;
the split bolts penetrate through the existing concrete beam to fix the U-shaped steel plate on the existing concrete beam;
the sealing bottom plate is arranged on the lower surface of the existing concrete beam and welded with the vertical steel plates, the length of the sealing bottom plate is greater than or equal to the distance between the U-shaped steel plates at the beginning and the end, and the width of the sealing bottom plate is greater than or equal to the width between two vertical steel plates in the U-shaped steel plates;
the anchoring bolt penetrates through the sealing bottom plate and is arranged on the existing concrete beam in an anchoring mode;
and the gusset plate is vertically arranged on the lower surface of the sealing bottom plate.
2. The connection of a buckling-restrained brace to an existing concrete beam connection node as claimed in claim 1, further comprising:
the adapter assembly comprises an end plate, an adapter plate vertically connected to the end plate and a stiffening plate arranged between the end plate and the adapter plate;
and the buckling restrained brace is installed on the sealing bottom plate and the gusset plate through the adapter assembly.
3. The buckling-restrained brace and existing concrete beam connection node connection arrangement of claim 2, wherein the adapter plate includes a horizontal surface connected with the back cover plate and a vertical surface connected with the node plate.
4. The buckling-restrained brace and existing concrete beam connection node connection device of claim 1, wherein each vertical steel plate is provided with a through hole for the split bolt to pass through.
5. The buckling-restrained brace and existing concrete beam connection node connection device of claim 1, wherein the tie bolt is a plurality of, and a plurality of the tie bolts are distributed along the existing concrete beam in a longitudinal direction.
6. The buckling-restrained brace and existing concrete beam connection node connection arrangement of claim 1, wherein the back cover plate is a one-piece plate or a multi-piece plate.
7. The connection device of a buckling-restrained brace to an existing concrete beam connection node according to claim 1, wherein the anchor bolt is a chemical anchor bolt which is a plurality of chemical anchor bolts distributed in a matrix.
8. The buckling-restrained brace connection node of claim 1, wherein the node plates comprise a first plate disposed in a criss-cross arrangement along a length direction of the existing concrete beam and a second plate disposed in a width direction of the existing concrete beam.
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CN202022516630.8U CN214302987U (en) | 2020-11-04 | 2020-11-04 | Connecting device for connecting joint of buckling restrained brace and existing concrete beam |
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CN202022516630.8U CN214302987U (en) | 2020-11-04 | 2020-11-04 | Connecting device for connecting joint of buckling restrained brace and existing concrete beam |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112376933A (en) * | 2020-11-04 | 2021-02-19 | 上海市建工设计研究总院有限公司 | Connecting device and method for connecting buckling restrained brace and existing concrete beam connecting node |
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2020
- 2020-11-04 CN CN202022516630.8U patent/CN214302987U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112376933A (en) * | 2020-11-04 | 2021-02-19 | 上海市建工设计研究总院有限公司 | Connecting device and method for connecting buckling restrained brace and existing concrete beam connecting node |
CN112376933B (en) * | 2020-11-04 | 2024-08-23 | 上海市建工设计研究总院有限公司 | Connecting device and method for buckling restrained brace and existing concrete beam connecting node |
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