CN203782917U - Prefabricated split mounting type buckling constraint support - Google Patents
Prefabricated split mounting type buckling constraint support Download PDFInfo
- Publication number
- CN203782917U CN203782917U CN201420167961.7U CN201420167961U CN203782917U CN 203782917 U CN203782917 U CN 203782917U CN 201420167961 U CN201420167961 U CN 201420167961U CN 203782917 U CN203782917 U CN 203782917U
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- China
- Prior art keywords
- component
- constraint component
- groove
- constraint
- restrained brace
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- Expired - Lifetime
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- 239000000306 component Substances 0.000 claims abstract description 68
- 239000008358 core component Substances 0.000 claims abstract description 30
- 239000004570 mortar (masonry) Substances 0.000 claims description 17
- 239000004567 concrete Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
Abstract
The utility model discloses a prefabricated split mounting type buckling constraint support. The prefabricated split mounting type buckling constraint support comprises a core component and constraint components, wherein two pieces of constraint components are arranged and consist of grooves and filling bodies; the filling bodies are arranged in the grooves and are fixedly connected with the grooves; the core component is located between the two pieces of constraint components; the filling bodies of the constraint components are only tightly attached to the surface of the constraint region of the core component. According to the prefabricated split mounting type buckling constraint support, the problems that the dead weight of the buckling constraint support is large, and the whole specific gravity of a constraint component material on the whole support is large are solved.
Description
Technical field
The utility model belongs to field of civil engineering, relates to a kind of for reducing the buckling restrained brace of engineering structures earthquake disaster impact.
Background technology
Buckling restrained brace is a kind of device that utilizes metal yield dissipation seismic energy, due to its stable performance, easy to make, with low cost, has obtained in recent years studying widely and applying.
At present, the buckling restrained brace that China generally applies in engineering is made up of as constraint component and the core component that bears axial force concrete filled or mortar steel pipe mostly, for example discloses the technical scheme providing in utility model patent (CN100560884C).Constraint component is not directly born axial load, can suppress outside the low order flexing of core component under pressure-acting, and core component is total cross-section surrender under pulling force and pressure-acting, and member hysteresis loop is full.
But also there are the following problems for the scheme of above-mentioned buckling restrained brace: 1., for ensureing that overall unstability does not occur buckling restrained brace under axial compression effect, constraint component cross section should have larger moment of inertia.So constraint component is larger, finally cause whole buckling restrained brace deadweight larger.Particularly, in the time that buckling restrained brace is applied to bridge or large-span structure, the overall bending resistance demand of its constraint component can increase and improve along with span, and constraint component sectional dimension and deadweight also can increase, and increase difficulty to construction.2. the concrete in steel pipe or mortar need to inject from one end, and concrete or mortar vibrate comparatively difficult after injecting, and its compactness is difficult to ensure, if adopt self-compacting concrete, causes the cost of buckling restrained brace higher.3. in the time that buckling restrained brace is longer, the weight of entirety is just very large, thereby causes difficulty to transport.
Utility model content
The utility model accounts for the heavy problem of whole support in order to solve buckling restrained brace from great, constraint component material, and a kind of precast splice type buckling restrained brace is provided.
The technical solution adopted in the utility model is: a kind of precast splice type buckling restrained brace, comprises core component and constraint component; Described constraint component is two, is made up of groove and obturator, and described obturator is positioned at groove, and affixed with groove, and described core component is between two constraint component, and the obturator of described constraint component is only close to the surface of the constraint of core component.
As preferably, the cross section of the groove of described constraint component is U-shaped or semicircle or flanging shape.
As preferably, the obturator of described constraint component is concrete or mortar block or thin-wall member; The surface that described mortar or concret block contact with core component arranges built-in fitting thin plate; Described thin-wall member is square tube or channel or L shaped, forms cavity, fill concrete or mortar in cavity after being positioned over groove.
As preferably, described constraint component is partially filled and forms by two obturators by groove, and two obturators contact with two inside walls of groove respectively, and obturator is fixed in the bottom surface of groove.
As preferably, described constraint component is partially filled and forms by an obturator by groove, and the bottom surface of groove is placed and be fixed in to described obturator between two parties.
As preferably, described core component is clamped in the middle of constraint component, filling-in board is positioned at core board plane both sides, two constraint component longitudinally respectively with filling-in board affixed become entirety, or on the lateral wall of constraint component, longitudinally weld multipair bolt block, bolt through bolt block and filling-in board to pull-shaped become affixed.
As preferably, described core component is between two constraint component, and two constraint component are relatively staggeredly placed and are affixed; An inside wall of described constraint component contacts with a lateral wall of another piece constraint component and is affixed, and an end face of every constraint component contacts with the obturator of another piece constraint component.
As preferably, described groove is provided with breach, and described core component middle part enlarged embeds in breach.
As preferably, described core component is made up of dull and stereotyped and stiffening rib, described flat board is one, stiffening rib is two groups, every group of stiffening rib lays respectively at dull and stereotyped two ends, and be positioned in the white space that groove and obturator form, stiffening rib is affixed along dull and stereotyped length direction and dull and stereotyped unconfinement region.
As preferably, between longitudinal corresponding every two stiffening ribs of flat board, be connected to entirety by lath at dull and stereotyped two ends.
The utlity model has following beneficial effect:
1, the utility model is compared with traditional buckling restrained brace, constraint component is not being pasted whole core board completely, constraint component only retrains the subregion of core board along core component width, the material of constraint component is dispensed on buckling restrained brace outermost, can be less to buckling restrained brace performance impact in the situation that, realize the maximization of material use efficiency, make constraint component account for the proportion of whole support less with respect to traditional buckling restrained brace, significantly alleviate the deadweight of buckling restrained brace, can solve buckling restrained brace large in the middle deadweight generation amount of deflection of the large-span structures such as bridge, the key issues such as constructional difficulties, greatly expand the range of application of buckling restrained brace.
2, constraint component of the present utility model and core board can be in advance at produce in factory, avoided concreting curing time length in traditional buckling restrained brace, the problems such as difficulty of vibrating, and significantly improved the make efficiency of buckling restrained brace; It is assembled that constraint component and core board can arrive job site, solve the problem of the excessive transport inconvenience causing of large-scale buckling restrained brace monomer weight, its material is mainly common iron and concrete, the facility of drawing materials, cost is lower, and the process-cycle is short, make buckling restrained brace adapt to the requirement of industrialization of construction industry.
3, after the core board that the utility model supports destroys, constraint component is removable, reuses, and only needs to change core board, has significantly reduced the maintenance cost of buckling restrained brace.
4, the utility model supports between constraint component and core board and has white space, and stiffening rib can directly be positioned over this white space, with respect to traditional buckling restrained brace, has simplified the design of buckling restrained brace connector.
Brief description of the drawings
Fig. 1 is that the utility model embodiment 1 supports installation site schematic diagram;
Fig. 2 is the utility model embodiment 1 supporting core plated construction decomposing schematic representation;
Fig. 3 is the utility model embodiment 1 STRUCTURE DECOMPOSITION schematic diagram;
Fig. 4 is the utility model embodiment 1 structural representation;
Fig. 5 is the A-A sectional drawing of Fig. 4;
Fig. 6 is the B-B sectional drawing of Fig. 4;
Fig. 7 is the cross-sectional views of the utility model embodiment 2 obturators while being square tube;
Fig. 8 is the cross-sectional views of the utility model embodiment 2 obturators while being channel;
Fig. 9 is the cross-sectional views of the utility model embodiment 2 obturators while being L shaped;
Figure 10 is the utility model embodiment 3 STRUCTURE DECOMPOSITION schematic diagrames;
Figure 11 is the utility model embodiment 3 structural representations;
Figure 12 is the C-C sectional drawing of Figure 11;
Figure 13 is the D-D sectional drawing of Figure 11;
Figure 14 is the utility model embodiment 4 STRUCTURE DECOMPOSITION schematic diagrames;
Figure 15 is the utility model embodiment 4 structural representations;
Figure 16 is the E-E sectional drawing of Figure 11;
Figure 17 is the F-F sectional drawing of Figure 11;
Figure 18 is the utility model embodiment 5 supporting core plated construction decomposing schematic representations;
Figure 19 is the utility model embodiment 5 STRUCTURE DECOMPOSITION schematic diagrames;
Figure 20 is the utility model embodiment 5 structural representations;
Figure 21 is the G-G sectional drawing of Figure 20;
Figure 22 is the H-H sectional drawing of Figure 20;
Figure 23 is the utility model embodiment 6 supporting core plated construction decomposing schematic representations;
Figure 24 is the utility model embodiment 6 structural representations;
Figure 25 is the G-G sectional drawing of Figure 20;
Figure 26 is the H-H sectional drawing of Figure 20;
Figure 27 is the cross-sectional views of the utility model embodiment 5 obturators while being square tube;
Figure 28 is the cross-sectional views of the utility model embodiment 5 obturators while being channel;
Cross-sectional view when Figure 29 is the interior fill concrete of the utility model embodiment 5 cavitys or mortar;
Figure 30 is that the utility model embodiment 5 supports installation site schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
As shown in Fig. 1～6: a kind of precast splice type buckling restrained brace, is characterized in that: comprise core component 1 and constraint component 2, described constraint component 2 is two, formed by groove 2-1 and obturator 2-2, the cross section of described groove 2-1 is U-shaped, described obturator 2-2 is that concrete or mortar piece are positioned at groove 2-1, and affixed with groove 2-1, two concrete or mortar piece 2-2 contact with two inside walls of groove 2-1 respectively, concrete or mortar piece 2-2 are fixed in the bottom surface of groove 2-1, described core component 1 is between two constraint component 2, core board 1 is made up of dull and stereotyped 1-1 and stiffening rib 1-2, described dull and stereotyped 1-1 Constrained region 1-1-1 and unconfinement region 1-1-2 form, stiffening rib 1-2 is two groups, lay respectively at the two ends of dull and stereotyped 1-1, and be positioned in the white space that groove 2-1 and obturator 2-2 form, stiffening rib 1-2 is affixed along dull and stereotyped length direction and dull and stereotyped unconfinement region 1-1-2.The concrete of described constraint component 2 or mortar piece 2-2 are only close to the surface of constraint 1-1-1; Two constraint component 2 are relatively staggeredly placed and are fixedly connected with, an inside wall of described constraint component 2 contacts with a lateral wall of another sheet constraint component 2 and is affixed, and an end face of every constraint component 2 contacts with concrete or the mortar piece 2-2 of another sheet constraint component 2.As shown in Figure 1: the core component 1 of the buckling restrained brace of the present embodiment is connected or is welded by junction plate 6 bolts with the gusset plate 7 of building.
Embodiment 2
As shown in Fig. 7～9: the present embodiment is identical with embodiment 1 remainder, difference is: described concrete or mortar block 2-2 are thin-wall member; light-gauge steel section can be square tube or channel or L shaped, forms cavity after being positioned over groove, can fill concrete or mortar in cavity.
Embodiment 3
As shown in Figure 10～13: the present embodiment is identical with embodiment 1 remainder, difference is: described core component 1 is clamped in the middle of constraint component 2, filling-in board 3 is positioned at core component 1 plane both sides, two constraint component 2 longitudinally respectively with filling-in board 3 affixed become entirety.
Embodiment 4
As shown in Figure 14～17: the present embodiment is identical with embodiment 1 remainder, difference is: described core component 1 is clamped in the middle of constraint component 2, filling-in board 3 is positioned at core component 1 plane both sides, on two constraint component 2 sidewalls, longitudinally weld multipair bolt block 4, bolt 5 through bolt block 4 and filling-in board 3 to pull-shaped become affixed.
Embodiment 5
As shown in Figure 18～22,27～30: the present embodiment is identical with embodiment 1 remainder, difference is: described constraint component 2 is partially filled and forms by an obturator 2-2 by groove 2-1, described obturator 2-2 places and is fixed in the bottom surface of groove 2-1 between two parties, stiffening rib 1-2 is two groups, lay respectively at the two ends of dull and stereotyped 1-1, every group of stiffening rib 1-2 is four, and be positioned in the white space that groove 2-1 and obturator 2-2 form, stiffening rib 1-2 is affixed along dull and stereotyped length direction and dull and stereotyped unconfinement region 1-1-2.
Embodiment 6
As shown in Figure 23～26: the present embodiment is identical with embodiment 5 remainders, and difference is: be to be connected to entirety by lath between described longitudinal relative every two stiffening rib 1-2, affixed with dull and stereotyped unconfinement region 1-1-2.
It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (10)
1. a precast splice type buckling restrained brace, is characterized in that: comprise core component and constraint component; Described constraint component is two, is made up of groove and obturator, and described obturator is positioned at groove, and affixed with groove, and described core component is between two constraint component, and the obturator of described constraint component is only close to the surface of the constraint of core component.
2. precast splice type buckling restrained brace according to claim 1, is characterized in that: the cross section of the groove of described constraint component is U-shaped or semicircle or flanging shape.
3. precast splice type buckling restrained brace according to claim 1, is characterized in that: the obturator of described constraint component is concrete or mortar block or thin-wall member; The surface that described mortar or concret block contact with core component arranges built-in fitting thin plate; Described thin-wall member is square tube or channel or L shaped, forms cavity, fill concrete or mortar in cavity after being positioned over groove.
4. precast splice type buckling restrained brace according to claim 1, is characterized in that: described constraint component is partially filled and forms by two obturators by groove, two obturators contact with two inside walls of groove respectively, and obturator is fixed in the bottom surface of groove.
5. precast splice type buckling restrained brace according to claim 1, is characterized in that: described constraint component is partially filled and forms by an obturator by groove, and the bottom surface of groove is placed and be fixed in to described obturator between two parties.
6. precast splice type buckling restrained brace according to claim 1, it is characterized in that: described core component is clamped in the middle of constraint component, filling-in board is positioned at core board plane both sides, two constraint component longitudinally respectively with filling-in board affixed become entirety, or on the lateral wall of constraint component, longitudinally weld multipair bolt block, bolt through bolt block and filling-in board to pull-shaped become affixed.
7. precast splice type buckling restrained brace according to claim 1, is characterized in that: described core component is between two constraint component, and two constraint component are relatively staggeredly placed and are affixed; An inside wall of described constraint component contacts with a lateral wall of another piece constraint component and is affixed, and an end face of every constraint component contacts with the obturator of another piece constraint component.
8. precast splice type buckling restrained brace according to claim 7, is characterized in that: described groove is provided with breach, and described core component middle part enlarged embeds in breach.
9. precast splice type buckling restrained brace according to claim 1, it is characterized in that: described core component is made up of dull and stereotyped and stiffening rib, described flat board is one, stiffening rib is two groups, every group of stiffening rib lays respectively at dull and stereotyped two ends, and be positioned in the white space that groove and obturator form, stiffening rib is affixed along dull and stereotyped length direction and dull and stereotyped unconfinement region.
10. precast splice type buckling restrained brace according to claim 9, is characterized in that: longitudinally between corresponding every two stiffening ribs, be connected to entirety by lath at dull and stereotyped two ends along flat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167961.7U CN203782917U (en) | 2013-08-05 | 2014-04-08 | Prefabricated split mounting type buckling constraint support |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320473737 | 2013-08-05 | ||
| CN201320473737.6 | 2013-08-05 | ||
| CN201420167961.7U CN203782917U (en) | 2013-08-05 | 2014-04-08 | Prefabricated split mounting type buckling constraint support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203782917U true CN203782917U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167961.7U Expired - Lifetime CN203782917U (en) | 2013-08-05 | 2014-04-08 | Prefabricated split mounting type buckling constraint support |
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| Country | Link |
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| CN (1) | CN203782917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152101A (en) * | 2017-06-05 | 2017-09-12 | 上海市建筑科学研究院 | A kind of timber constrains aluminium alloy core buckling restrained brace |
-
2014
- 2014-04-08 CN CN201420167961.7U patent/CN203782917U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152101A (en) * | 2017-06-05 | 2017-09-12 | 上海市建筑科学研究院 | A kind of timber constrains aluminium alloy core buckling restrained brace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |