CN203583708U - Self-resetting beam-grid friction wall structural system - Google Patents
Self-resetting beam-grid friction wall structural system Download PDFInfo
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- CN203583708U CN203583708U CN201320809300.5U CN201320809300U CN203583708U CN 203583708 U CN203583708 U CN 203583708U CN 201320809300 U CN201320809300 U CN 201320809300U CN 203583708 U CN203583708 U CN 203583708U
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Abstract
The utility model discloses a self-resetting beam-grid friction wall structural system, and belongs to the technical field of structural engineering earthquake resistance. A grid metal structure (7) is fixed to a frame unit consisting of a resetting beam (1) and a swinging post (2); two building body walls (3) are arranged outside the grid metal structure (7); a self-resetting beam (1) is fixedly connected with the swinging post (2) through angle steel (16); a prestressed reinforcement (17) is pre-buried in the self-resetting beam (1) through a post-tensioning method; the two ends of the prestressed reinforcement (17) are anchored outside the swinging post (2) through anchors (5). The swinging arm (2) is placed on a foundation base (4); a rubber pad (6) with a certain thickness is paved in the contact position between a post foot and the foundation base (4). Under the action of an earthquake, the swinging arm (2) and the self-resetting beam (1) rotates to drive the grid metal structure (7) to be deformed, and the swinging arm (2), the self-resetting beam (1), and the grid metal structure (7) work corporately to consume energy step by step, so that the purposes of reducing the horizontal displacement of the structure and enhancing the energy dissipation and shock absorption capacity of the structure are achieved.
Description
Technical field
The utility model relates to civil engineering anti-seismic technology field, is a kind of Self-resetting beam-grid type friction wall construction antidetonation system.
Background technology
At present, aspect Self-resetting beam and friction body of wall, foreign scholar has carried out a series of research, and has obtained certain progress.
Aspect self-reset technique.So-called " Self-resetting " refers to that first certain flexural deformation occur the structure of relaxed constraints under geological process, waves after exceeding a threshold value, by prestressing force, makes structure be returned to original position.Self-reset technique can effectively be eliminated the permanent set of structure, makes structure through simple reparation, continue to use after geological process, has saved cost of production.The thought of " Self-resetting " derives from the research of prefabricated unbonded prestressed reinforced concrete frame the earliest.By prestressed cable, distortion that can well control structure, and there is good self-resetting capability.In view of the above-mentioned advantage of self-reset technique, self-reset technique has obtained application aspect a lot, as bean column node, steel work and emerging swinging structure system etc.
Aspect power consumption body of wall.Body of wall is one of basic building block in building structure, because body of wall (being mainly shear wall) has the function of the shear strength that strengthens structure, the standing shear wall of putting in the positions such as escalator in the large and complex structures such as many Super Highs, large span, passageway for fire apparatus, and infilled wall is due to the flexibility of its form of structure, become cut apart architectural space the most conventional member.But although shear wall has larger lateral rigidity, its deformability and energy dissipation capacity are poor; Filled wall can improve building to be used function and possesses the advantages such as certain initial stiffness, and still, its supporting capacity is low, and ductility is poor.For this reason, the energy-dissipating and shock-absorbing technology development take body of wall as research object in recent years, research mainly concentrates on the following aspects: damping body of wall, shear wall with seam, new steel plate shear wall.
Traditional antidetonation theory is the rigidity that generally strengthens structure by new material, new system, and the link a little less than this structure causes relative thin when geological process is destroyed.And if can be by reducing the rigidity at some position, as loosen the constraint at some position etc., and introduce energy-dissipating device at these positions, as add power consumption body of wall etc., realize the use in conjunction of shock absorbing and shock insulation, must effectively prevent the destruction of structure in earthquake, be the shockproof object of initiative thereby reach change passive-type antidetonation.
Utility model content
For above problem, the utility model proposes a kind of Self-resetting beam-grid type friction wall construction system, by Self-resetting beam, swing column and grid type friction wall, formed; Multiple Self-resetting beams are from bottom to top fixed in the swing column of its both sides, two swing column and foundation bed are separated with rubber tile, and it can be waved under horizontal force action; Between Self-resetting beam and swing column, with angle steel, be fixedly connected with bolt; Prestressed reinforcement adopts post stretching to be embedded in Self-resetting beam, and its two ends, through the reserving hole of swing column, are anchored at the outside of swing column by ground tackle; Grid type friction wall is three layers of body of wall in the frame unit of Self-resetting beam and swing column composition, middle for grid metal construction, outside be two masonry walls; The outer horizontal bars length of the top of grid metal construction and bottom equals intercolumniation, and the length that is positioned at the middle horizontal bars of grid metal construction is slightly less than intercolumniation; The outer horizontal bars of grid metal construction top and bottom is individually fixed on upper strata Self-resetting beam and lower floor's Self-resetting beam with angle steel and bolt; At four jiaos of grid metal construction, outer horizontal bars is fixedly connected with outer horizontal bars with bolt with angle steel with swing column contact site with swing column; Two, outside masonry wall main body is formed by the building block system of building, and the rubber tile of its surrounding parcel adequate thickness, keeps apart itself and swing column, Self-resetting beam, forms independently individual.
Grid metal construction comprises four outer horizontal bars, many interior horizontal bars, many vertical rod members and many bearing diagonal rod members different in size; Outer horizontal bars length equals intercolumniation, and the length of interior horizontal bars is slightly less than intercolumniation; The vertical rod member length of grid metal construction is slightly less than a layer clear height; Article four, two of outer horizontal bars are positioned at the top of grid metal construction side by side, another two bottoms that are positioned at side by side grid metal construction; Outer horizontal bars, interior horizontal bars and vertical rod member, according to interconnecting in the uniform form of frame unit body of wall, are formed to the rectangle rod member frame construction of the multilayer multiple row that comprises interior nodes and exterior node; Interior nodes and the exterior node of first group of corresponding gradient of the oblique connection of multiple bearing diagonal rod members being parallel to each other; Second group of bearing diagonal rod member being parallel to each other intersects oblique interior nodes and the exterior node that is connected corresponding gradient with first group.The Nodes of horizontal bars, interior horizontal bars and vertical rod member leaves circular opening outside, and the Nodes of first group of bearing diagonal rod member and second group of bearing diagonal rod member has axial slide, and groove width is slightly larger than node fastening bolt diameter; The rod member overlay order of the top of grid metal construction and bottom exterior node is: by node fastening bolt order through the node circular opening of the outer horizontal bars of a side, first group of bearing diagonal rod member chute, the vertical node circular opening of node circular opening, second group of bearing diagonal rod member chute and the outer horizontal bars of opposite side of rod member, all rod members are all used friction of joint pad space at Nodes, fix with node nut screwing clamping; Other nodes are only arranged horizontal bars in individual layer, its node rod member overlay order is: the node circular opening by node fastening bolt order through node circular opening, second group of bearing diagonal rod member chute and the interior horizontal bars of first group of bearing diagonal rod member chute, vertical rod member, all rod nodes place also all uses friction of joint pad space, and fixes with node nut screwing clamping.
At the contact surface of Self-resetting beam and swing column, add friction backing plate.
Friction backing plate and friction of joint pad can adopt stainless steel to make, and surface is through frosted processing.
According to the size in body of wall space, grid metal construction can increase or reduce the number of corresponding rod member in the horizontal direction with vertical direction.
The width of outer horizontal bars is 1.5 times of interior horizontal bars width, and vertically rod member is identical with the width of interior horizontal bars with the width of bearing diagonal rod member.
The utlity model has following characteristics: (1) is compared with damping wall, although damping wall can provide enough additional dampings for structure, and there is enough energy dissipation capacities, but do not embody the large advantage of " wall body construction " rigidity from mechanics angle, only occupy in form and in appearance body of wall space, the grid type friction wall that this explanation proposes possesses enough lateral rigidities under regular service conditions; (2) compared with existing friction damping device, the grid type friction wall that this explanation proposes makes full use of frictional behavior, realize multiple spot friction, the power consumption of multimachine structure, power consumption with every combining, energy dissipation capacity is strong, and rod member is easy to change, and can realize the effective Self-resetting after shake with the collaborative work of Self-resetting beam; (3) Self-resetting beam-grid type friction wall construction System structure is simple, convenient, flexible, and member is easy to change.In a word, Self-resetting beam-grid type friction wall construction system has realized the perfection fusion of self-reset technique and friction energy-dissipating technology, has embodied the effective utilization in practice of shock absorbing and shock insulation thought, is a kind of new structure system in Construction Anti-earthquake field.
Accompanying drawing explanation
Fig. 1 is the utility model elevation.
Fig. 2 is the utility model internal construction schematic diagram.
Fig. 3 is grid metal construction schematic diagram.
Fig. 4 is Self-resetting beam and swing column connection diagram.
Fig. 5 is grid metal construction upper end exterior node connection diagram.
In figure, 1 Self-resetting beam, 2 swing column, 3 masonry walls, 4 sole plates, 5 ground tackles, 6 rubber tiles, 7 grid metal constructions, 8 bolts, 9 vertical rod members, 10 outer horizontal bars, 11 interior horizontal bars, 12 bearing diagonal rod members, 13 exterior nodes, 14 interior nodes, 15 backing plates, 16 angle steel, 17 prestressed reinforcements, 18 node fastening bolts, 19 friction of joint pads, 20 node nuts, 21 chutes.
The specific embodiment
Below in conjunction with technical scheme and accompanying drawing, describe the specific embodiment of the present utility model in detail:
Self-resetting beam-grid type friction wall construction system, is comprised of Self-resetting beam 1, swing column 2 and grid type friction wall; Multiple Self-resetting beams 1 are from bottom to top fixed in the swing column 2 of its both sides, two swing column 2 and foundation bed 4 are separated with rubber tile 6, and it can be waved under horizontal force action; Between Self-resetting beam 1 and swing column 2, with angle steel 16, be fixedly connected with bolt 8; Prestressed reinforcement 17 adopts post stretching to be embedded in Self-resetting beam 1, and its two ends, through the reserving hole of swing column 2, are anchored at the outside of swing column 2 by ground tackle 5; Grid type friction wall is three layers of body of wall in the frame unit that forms of Self-resetting beam 1 and swing column 2, middle for grid metal construction 7, outside be two masonry walls 3; Outer horizontal bars 10 length of the top of grid metal construction 7 and bottom equal intercolumniation, and the length that is positioned at the middle horizontal bars 11 of grid metal construction 7 is slightly less than intercolumniation; The outer horizontal bars 10 of grid metal construction 7 tops and bottom is individually fixed on upper strata Self-resetting beam 1 and lower floor's Self-resetting beam 1 with angle steel 16 and bolt 8; At four jiaos of grid metal construction 7, outer horizontal bars 10 is fixedly connected with outer horizontal bars 10 with bolt 8 with angle steel 16 with swing column 2 contacts site with swing column 2; Two, outside masonry wall 3 main bodys are formed by the building block system of building, and the rubber tile 6 of its surrounding parcel adequate thickness, keeps apart itself and swing column 2, Self-resetting beam 1, form independently individual.
Grid metal construction 7 comprises four outer horizontal bars 10, many interior horizontal bars 11, many vertical rod members 9 and many bearing diagonal rod members 12 different in size; Outer horizontal bars 10 length equal intercolumniation, and the length of interior horizontal bars 11 is slightly less than intercolumniation; Vertical rod member 9 length of grid metal construction 7 are slightly less than a layer clear height; Article four, two of outer horizontal bars 10 are positioned at the top of grid metal construction 7 side by side, another two bottoms that are positioned at side by side grid metal construction 7; Outer horizontal bars 10, interior horizontal bars 11 and vertical rod member 9, according to interconnecting in the uniform form of frame unit body of wall, are formed to the rectangle rod member frame construction of the multilayer multiple row that comprises interior nodes 14 and exterior node 13; Interior nodes 14 and the exterior node 13 of first group of corresponding gradient of the oblique connection of multiple bearing diagonal rod members 12 being parallel to each other; Second group of bearing diagonal rod member 12 being parallel to each other intersects oblique interior nodes 14 and the exterior node 13 that is connected corresponding gradient with first group; The Nodes of horizontal bars 10, interior horizontal bars 11 and vertical rod member 9 leaves circular opening outside, at the Nodes of first group of bearing diagonal rod member 12 and second group of bearing diagonal rod member 12, has axial slide 21, and groove width is slightly larger than node fastening bolt 18 diameters; The rod member overlay order of the top of grid metal construction 7 and bottom exterior node 13 is: by node fastening bolt 18 orders through the node circular opening of the outer horizontal bars 10 of a side, first group of bearing diagonal rod member chute 21, the vertical node circular opening of node circular opening, second group of bearing diagonal rod member chute 21 and the outer horizontal bars 10 of opposite side of rod member 9, all rod members are all used friction of joint pad 19 spaces at Nodes, tighten fixing with node nut 20; Other nodes are only arranged horizontal bars 11 in individual layer, its node rod member overlay order is: by node fastening bolt 18 orders through first group of bearing diagonal rod member chute 21, the vertical node circular opening of node circular opening, second group of bearing diagonal rod member chute 21 and the interior horizontal bars 11 of rod member 9, all rod nodes place also all uses friction of joint pad 19 spaces, and tightens fixing with node nut 20.
At the contact surface of Self-resetting beam 1 and swing column 2, add friction backing plate 15.
According to the size in body of wall space, grid metal construction 7 can increase or reduce the number of corresponding rod member in the horizontal direction with vertical direction.
The width of outer horizontal bars 10 is 1.5 times of interior horizontal bars 11 width, and vertically the width of rod member 9 and bearing diagonal rod member 12 is identical with the width of interior horizontal bars 11.
Concrete implementation process is:
1. according to the basic parameter of planning to build Self-resetting beam-grid type friction wall construction system, certain in selecting structure across as wave across.
2. grid metal construction 7 is installed, all connecting rods are linked in sequence by node fastening bolt 18 and friction of joint pad 19.Integrated structure actual parameter, controls the frictional force in advance of sound of laughing grid metal construction 7 by the firmness degree of knot modification fastening bolt 18.
3 make foundation bed 4, prefabricate frame column 2 are put on foundation bed 4, before placement pillar, at suspension column and the foundation bed 4 laid certain thickness rubber tiles 6 in contact position.
4. Self-resetting beam 1 member that is prefabricated in the factory, is connected Self-resetting beam 1 by angle steel 16, bolt 8, friction backing plate 15 and prestressed reinforcement 17 at the construction field (site) with swing column 2, prestressed reinforcement 17 adopts post stretching and according to adjust on structural parameter tension stress.
5. by bolt 8 and angle steel 16, grid metal construction 7 is connected with Self-resetting beam 1.On Self-resetting beam 1, build masonry wall 3 processed, at masonry wall 3 and the contact surface of Self-resetting beam 1 and swing column 2, lay rubber tile 6.
Claims (6)
1. Self-resetting beam-grid type friction wall construction system, is characterized in that being comprised of Self-resetting beam (1), swing column (2) and grid type friction wall; It is upper that multiple Self-resetting beams (1) are from bottom to top fixed on the swing column (2) of its both sides, two swing column (2) and foundation bed (4) separated with rubber tile (6), and it can be waved under horizontal force action; Between Self-resetting beam (1) and swing column (2), with angle steel (16), be fixedly connected with bolt (8); Prestressed reinforcement (17) adopts post stretching to be embedded in Self-resetting beam (1), and its two ends, through the reserving hole of swing column (2), are anchored at the outside of swing column (2) by ground tackle (5); Grid type friction wall is three layers of body of wall in the frame unit of Self-resetting beam (1) and swing column (2) composition, and middle is that grid metal construction (7), outside are two masonry walls (3); Outer horizontal bars (10) length of the top of grid metal construction (7) and bottom equals intercolumniation, and the length that is positioned at the middle horizontal bars (11) of grid metal construction (7) is slightly less than intercolumniation; The outer horizontal bars (10) of grid metal construction (7) top and bottom is individually fixed on upper strata Self-resetting beam (1) and lower floor's Self-resetting beam (1) with angle steel (16) and bolt (8); At four jiaos of grid metal construction (7), outer horizontal bars (10) is fixedly connected with outer horizontal bars (10) with bolt (8) with swing column (2) angle steel for contact site (16) with swing column (2); Outside two masonry walls (3) main body is formed by the building block system of building, and the rubber tile (6) of its surrounding parcel adequate thickness, keeps apart itself and swing column (2), Self-resetting beam (1), forms independently individual.
2. Self-resetting beam according to claim 1-grid type friction wall construction system, is characterized in that grid metal construction (7) comprises four outer horizontal bars (10), many interior horizontal bars (11), many vertical rod members (9) and many bearing diagonal rod members (12) different in size; Outer horizontal bars (10) length equals intercolumniation, and the length of interior horizontal bars (11) is slightly less than intercolumniation; Vertical rod member (9) length of grid metal construction (7) is slightly less than a layer clear height; Article four, two of outer horizontal bars (10) are positioned at the top of grid metal construction (7) side by side, another two bottoms that are positioned at side by side grid metal construction (7); Outer horizontal bars (10), interior horizontal bars (11) and vertical rod member (9), according to interconnecting in the uniform form of frame unit body of wall, are formed to the rectangle rod member frame construction of the multilayer multiple row that comprises interior nodes (14) and exterior node (13); Interior nodes (14) and the exterior node (13) of first group of corresponding gradient of the oblique connection of multiple bearing diagonal rod members (12) being parallel to each other; Second group of bearing diagonal rod member (12) being parallel to each other intersects oblique interior nodes (14) and the exterior node (13) that is connected corresponding gradient with first group; The Nodes of horizontal bars (10), interior horizontal bars (11) and vertical rod member (9) leaves circular opening outside, Nodes at first group of bearing diagonal rod member (12) and second group of bearing diagonal rod member (12) has axial slide (21), and groove width is slightly larger than node fastening bolt (18) diameter; The rod member overlay order of the top of grid metal construction (7) and bottom exterior node (13) is: use node fastening bolt (18) order to pass the node circular opening of horizontal bars (10) outside node circular opening, second group of bearing diagonal rod member chute (21) and the opposite side of the node circular opening of the outer horizontal bars (10) of a side, first group of bearing diagonal rod member chute (21), vertical rod member (9), all rod members are all used friction of joint pad (19) space at Nodes, tighten fixing with node nut (20); Other nodes are only arranged horizontal bars (11) in individual layer, its node rod member overlay order is: the node circular opening by node fastening bolt (18) order through node circular opening, second group of bearing diagonal rod member chute (21) and the interior horizontal bars (11) of first group of bearing diagonal rod member chute (21), vertical rod member (9), all rod nodes place also all uses friction of joint pad (19) space, and tightens fixing with node nut (20).
3. Self-resetting beam according to claim 1-grid type friction wall construction system, is characterized in that adding friction backing plate (15) at the contact surface of Self-resetting beam (1) and swing column (2).
4. according to the Self-resetting beam described in claim 2 or 3-grid type friction wall construction system, it is characterized in that rubbing backing plate (15) and friction of joint pad (19) can adopt stainless steel to make, and surface is through frosted processing.
5. Self-resetting beam according to claim 1-grid type friction wall construction system, is characterized in that according to the size in body of wall space, grid metal construction (7) can increase or reduce the number of corresponding rod member in the horizontal direction with vertical direction.
6. Self-resetting beam according to claim 1-grid type friction wall construction system, the width that it is characterized in that outer horizontal bars (10) is 1.5 times of interior horizontal bars (11) width, and vertically the width of rod member (9) and bearing diagonal rod member (12) is identical with the width of interior horizontal bars (11).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628587A (en) * | 2013-12-09 | 2014-03-12 | 大连理工大学 | Self-reset girder-grid friction wall structural system |
| CN104032848A (en) * | 2014-06-27 | 2014-09-10 | 清华大学 | Novel self-reset friction damper |
| CN104674967A (en) * | 2015-01-10 | 2015-06-03 | 余虹仪 | Anti-seismic frame for high-rise buildings |
| CN105040831A (en) * | 2015-07-21 | 2015-11-11 | 哈尔滨工业大学（威海） | Self-resetting buckling-restrained brace beam-column joint |
| CN110700437A (en) * | 2019-10-12 | 2020-01-17 | 北京工业大学 | Assembly type light steel energy dissipation wall with composite energy dissipation damper and connection mode of assembly type light steel energy dissipation wall |
| CN115853113A (en) * | 2022-12-29 | 2023-03-28 | 东南大学 | Multi-safety redundancy self-reset structure system and self-reset method |
-
2013
- 2013-12-09 CN CN201320809300.5U patent/CN203583708U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628587A (en) * | 2013-12-09 | 2014-03-12 | 大连理工大学 | Self-reset girder-grid friction wall structural system |
| CN104032848A (en) * | 2014-06-27 | 2014-09-10 | 清华大学 | Novel self-reset friction damper |
| CN104674967A (en) * | 2015-01-10 | 2015-06-03 | 余虹仪 | Anti-seismic frame for high-rise buildings |
| CN104674967B (en) * | 2015-01-10 | 2017-11-10 | 重庆市民崧科技研发中心 | High-rise construction earthquake resistance framework |
| CN105040831A (en) * | 2015-07-21 | 2015-11-11 | 哈尔滨工业大学（威海） | Self-resetting buckling-restrained brace beam-column joint |
| CN105040831B (en) * | 2015-07-21 | 2017-11-07 | 哈尔滨工业大学（威海） | Self-resetting buckling-restrained brace beam-column joint |
| CN110700437A (en) * | 2019-10-12 | 2020-01-17 | 北京工业大学 | Assembly type light steel energy dissipation wall with composite energy dissipation damper and connection mode of assembly type light steel energy dissipation wall |
| CN115853113A (en) * | 2022-12-29 | 2023-03-28 | 东南大学 | Multi-safety redundancy self-reset structure system and self-reset method |
| CN115853113B (en) * | 2022-12-29 | 2024-04-16 | 东南大学 | Multi-safety redundancy self-resetting structure system and self-resetting method |
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Granted publication date: 20140507 Termination date: 20161209 |