CN105604216A - Pull-joint type double-steel-plate composite shear wall - Google Patents
Pull-joint type double-steel-plate composite shear wall Download PDFInfo
- Publication number
- CN105604216A CN105604216A CN201610049268.3A CN201610049268A CN105604216A CN 105604216 A CN105604216 A CN 105604216A CN 201610049268 A CN201610049268 A CN 201610049268A CN 105604216 A CN105604216 A CN 105604216A
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- steel plate
- pulling type
- shear wall
- steel
- concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
- E04B2/68—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a pull-joint type double-steel-plate composite shear wall, comprising steel pipe columns (steel pipe columns or concrete-filled steel tube columns) respectively arranged at the two ends, a pair of steel plates and at least one pull-joint type connecting piece. The pull-joint type connecting piece is firstly connected with the steel plates by staggered and intermittent one-side fillet welds in a welding way, and then a whole is assembled; the pull-joint type double-steel-plate composite shear wall has the advantages that the composite shear wall is simple in pull-joint structure, has a flat wall surface, and is less in welding workload, easy to operate and convenient to assemble; the stress performance of the composite shear wall is seldom affected by the welding quality since weld joints are positioned at construction parts; the composite shear wall is economical and safe; the steel plates and concrete are strong in cooperative work capability. A straight hook L shape, a sickle hook shape or hump hook shape can be adopted as the pull-joint way of the connecting piece, the pull-joint position can be positioned at the middle or side part of the thickness of the composite wall, and the pull-joint way is flexible and changeable, so that different engineering stress and use requirements are met. Riffled plates can be used as the wallboard steel plates and the pull-joint type connecting piece, so that the binding action between the wall steel plates and the concrete is effectively improved, and the co-working between steel components and the concrete is guaranteed.
Description
Technical field
The present invention relates to building structure technology field, more specifically to the two steel of a kind of pulling typePlate compound shear wall.
Background technology
Double steel plate compound shear wall has higher bearing capacity, good ductility and stable hysteresisPerformance, does not need formwork supporting plate with respect to traditional concrete shear force wall, and speed of application is fast, and wall body is thin,Effectively reduce to a certain extent dead load.
The double steel plate compound shear wall having used at present generally comprises both sides split bolt is setDouble steel plate compound shear wall, wallboard inner side the double steel plate combination of peg or T shape ribbed stiffener is setShear walls etc., this type of body of wall, generally should not be little because the thickness of the reason steel plate of drawknot mode is thickerIn 10mm, economy is poor. And both sides arrange the double steel plate compound shear wall of split bolt,Bolt stretches out from metope, and metope out-of-flatness causes decorating difficulty; Wallboard inner side arrange peg orThe double steel plate compound shear wall of ribbed stiffener, constructs loaded down with trivial details, steel plate easily occurs when concreting and bendSong, between two wallboards, cooperative work performance is poor.
Double steel plate compound shear wall comprises application for a patent for invention combination shaped steel box-shaped steel plate in recent yearsA kind of steel pipe bundle of shear wall and application for a patent for invention and steel plate concrete combined shear wall structure.The feature of combination shaped steel box-shaped steel plate shear force wall is with lower flange butt welding on some H shape steel, compositionSteel pipe bundle compound shear wall; The feature of a kind of steel pipe bundle and steel plate concrete combined shear wall and frontPerson is similar, becomes steel pipe bundle compound shear wall with steel Member Weldings such as U-shaped, T shapes. This type of steel plateShear wall forms some cavitys by a large amount of H shapes, U-shaped, being welded to connect of T shape member, thoughCan effectively meet the flakiness ratio requirement of " Code for design of steel structures " regulation, steel plate thickness is thinner,Comparatively economical, but because weld seam is in stress surface, and steel plate is thinner is subject to welding temperature impact, depositsLarge in welding job amount, wall surface is unsuitable smooth, and stress performance is subject to the shortcomings such as welding performance control.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of simple structure, easy construction, dressJoin simply, good economy performance, is convenient to suitability for industrialized production, two wallboard entirety drawknots, wall surface levelling,Smooth, the pulling type double steel plate compound shear wall of steel plate and concrete collaborative work.
In order to realize above-mentioned technical purpose, the present invention takes following technical scheme: a kind of pulling typeDouble steel plate compound shear wall, includes and is positioned at the steel pipe column at two ends, a pair of steel plate and at least onePulling type connector, described two block plates form entirety by the drawknot of pulling type connector, instituteThe cavity between two steel plates is divided at least two tubular cavities by the pulling type connector of stating, described inCasting concrete in tubular cavity, the thickness of the wall ratio steel plate of described steel pipe column is slightly thick.
Further, described pulling type connector is made up of a pair of connector, described twoThe mutual drawknot of connector, described steel pipe column is hollow steel tubing string or steel core concrete column.
Further, described pulling type connector arranges along the height overall height of steel plate.
Further, described connector cross section can be straight hook L-type, sickle hook or hook type,Angle between bending part and the straight bar part of a connector of described hook type or sickle hookFor 0-60 °.
Further, the thickness of described pulling type connector equates with body of wall steel plate thickness, or instituteThe thickness of stating pulling type connector is slightly less than the thickness of body of wall steel plate.
Further, described every pair of connector drawknot position be positioned at assembled wall thickness middle part orLimit portion.
Further, described pulling type connector and described steel plate are by staggered interrupted one side fillet weldingSeam welding is fixed.
Further, the material of described wallboard steel plate and pulling type connector is general steel plate or flowerLine steel plate.
Further, described concrete is that normal concrete, high-strength concrete, lightweight aggregate are mixedSolidifying soil, self-compacting concrete or regeneration concrete.
Pulling type double steel plate compound shear wall in produce in factory method: one of pulling type connectorA connector is first separately fixed to two block plates of body of wall by staggered interrupted one side angle weldingUpper, one side angle welding is staggered interrupted setting in pulling type connector both sides, ensures steel plate and connectionThe accuracy when perpendicularity of part and drawknot. The Xu Da slope, position that body of wall steel plate is connected with steel pipe columnMouthful, first a steel plate that is connected with connector is connected by spot welding with two steel pipe columns, then will be anotherA connector for a body of wall steel plate snaps in assembling, also fixes with steel pipe column spot welding, finally by wallBody steel plate and steel pipe column carry out groove welding and are connected to form entire combination double steel plate shear wall.
Technical characterstic of the present invention and effect are:
1, compared with traditional concrete shear force wall, pulling type double steel plate compound shear wall hasBearing capacity is high, and ductility is good, and energy dissipation capacity is strong, and excellent earthquake resistance does not need formwork, construction speedSpend the advantages such as fast.
2,, compared with other double steel plate compound shear wall, pulling type connector first passes through with steel plateStaggered interrupted one side fillet weld seam connects, then is assembled into entirety, has drawknot simple structure,Wall surface levelling, the little easy operating of welding job amount, easy to assembly, weld seam is positioned at tectonic position,It is little that shear wall stress performance is affected by weldquality, economic security, and steel plate and concrete are collaborativeThe advantages such as ability to work is strong;
3, two wallboards of pulling type double steel plate compound shear wall pass through connector drawknot together,And connector arranges along wallboard overall height, and wall status is become to some cavitys, can effectively meet wall bodyFlakiness ratio requirement, reduces the thickness of body of wall steel plate, can play good constraint to concrete again and doWith, ductility and the anti-seismic performance of increase shear wall.
4, the drawknot mode of connector can adopt straight hook according to the size of thickness of wall body and construction loadsL-type, sickle hook or hook type, these three kinds of drawknot modes are compared, directly executing of hook L-typeFrock is joined the easiest, and the draw knot force of crotch shape between construction stages two block plate is the strongest, everyCan be positioned at assembled wall thickness middle part or limit portion to a connector drawknot position, drawknot mode is flexibleChangeable, can meet the stressed and user demand of different engineerings.
5, the thickness of pulling type connector can require to adopt according to thickness of wall body and drawknot globalityWith body of wall steel plate uniform thickness or thinner, better economy.
What 6, end, body of wall both sides adopted is that steel pipe column is strengthened, and thickness of steel pipe is thicker than body of wall steel plateDegree outline is thicker, and its effect is equivalent to the sleeper of concrete shear force wall, and steel pipe can be according to engineeringConcrete condition adopt steel pipe column or steel core concrete column. The employing of steel pipe column facilitate faced wall withThe connection of girder steel, the form of wall beam connected node and structure can adopt the side of ripe specification recommendsFormula, power transmission is clear and definite; The employing of steel core concrete column makes faced wall end capacity compression ability and endThe ability of steel pipe column buckling resistant strengthens, but the structure of wall beam connected mode and mode of transfer force needResearch.
7, steel plate and drawknot connector can adopt checkered steel plate, utilize the decorative pattern of checkered steel plate protrudingRise and increase steel plate and concrete cementation, strengthen steel plate and the cooperative entirety of concreteProperty.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is structure chart of the present invention.
Fig. 3 is the cutaway view of the embodiment of the present invention 1.
Fig. 4 is the cutaway view of the embodiment of the present invention 2.
Fig. 5 is the cutaway view of the embodiment of the present invention 3.
Fig. 6 is the cutaway view of the embodiment of the present invention 4.
In figure: 1 is steel pipe column; 2 is steel plate; 3 is pulling type connector; 4 is concrete;5 is staggered interrupted one side angle welding; 6 is a connector; 7 is groove; 8 is tubular cavity.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction withDrawings and Examples, are further elaborated to the present invention. Should be appreciated that this place retouchesThe specific embodiment of stating only, in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
Please refer to Fig. 1-6, the invention provides a kind of pulling type double steel plate compound shear wall, compriseThere are the steel pipe column 1, a pair of steel plate 2 and at least one the pulling type connector 3, two that are positioned at two endsBlock plate 2 forms entirety by the drawknot of pulling type connector 3, and pulling type connector 3 is by twoCavity between steel plate 2 is divided at least two tubular cavities 8, in tubular cavity 8, builds coagulationSoil 4, and casting concrete between double steel plate wallboard, two ends steel pipe column is built or not as requiredCasting concrete; Compared with traditional concrete shear force wall, pulling type double steel plate compound shear wallHave bearing capacity high, ductility is good, and energy dissipation capacity is strong, and excellent earthquake resistance does not need formwork, executesThe advantages such as work speed is fast; Compared with other double steel plate compound shear wall, pulling type connector firstBe connected by staggered interrupted one side fillet weld seam with steel plate, then be assembled into entirety, there is drawknotSimple structure, wall surface levelling, the little easy operating of welding job amount, easy to assembly, weld seam is positioned atTectonic position, it is little that shear wall stress performance is affected by weldquality, economic security, steel plate is with mixedSolidifying soil is in advantages such as collaborative work ability are strong.
Please refer to Fig. 1-6, preferably, pulling type connector 3 is made up of a pair of connector 6,Two the mutual drawknots of connector 6.
Please refer to Fig. 1-6, preferably, pulling type connector 3 is interrupted by interlocking with steel plate 2One side angle welding 5 is welded and fixed.
Please refer to Fig. 3-4, preferably, connector 6 cross section is straight hook L-type.
Please refer to Fig. 3-4, preferably, the drawknot position of a connector 6 of every pair of L-type is positioned atAssembled wall thickness middle part or limit portion
Please refer to Fig. 1-6, preferably, the material of steel plate 2 and pulling type connector 3 is commonSteel plate or checkered steel plate.
Please refer to Fig. 1-6, preferably, pulling type connector 3, along steel plate 2 overall height settings, is establishedPut the flakiness ratio requirement of satisfied " Code for design of steel structures " defined of spacing.
Please refer to Fig. 1-6, preferably, the concrete of building in tubular cavity 8 and steel pipe column 14 is normal concrete, high-strength concrete, lightweight aggregate concrete or self-compacting concrete.
Please refer to Fig. 1-6, preferably, steel plate 2 arranges with the two ends of the junction of steel pipe column 1Groove 7, groove 7 places between steel plate 2 and steel pipe column 1 carry out groove welding and are connected.
And pulling type double steel plate compound shear wall in produce in factory method: pulling type connector 3Be fixed on wallboard 2 staggered interrupted one side angle welding 5 by staggered interrupted one side angle welding 5Staggered interrupted setting the in pulling type connector 3 both sides, to ensure the perpendicularity of steel plate and connectorAccuracy during with drawknot. Groove need be beaten in the limit that wallboard 2 is connected with steel pipe column 1, a wallboard2 are first connected by spot welding with two steel pipe columns 1, then use method shown in Fig. 2, assemble another pieceWallboard spot welding, be finally linked to be entirety by wallboard 2 and steel pipe column 1 by groove welding 6.
Embodiment 2
Please refer to Fig. 5, preferably, all the other structures and preparation method, with embodiment 1, are propped up and are connectedPart 6 cross sections are hook type, the bending part of the connector 6 of hook type and straight bar part itBetween angle be 0 °, for easy to assembly, crooked process radius is not less than 2 times of connector thickness. OftenThe drawknot position of the connector 6 to hook type is positioned at assembled wall thickness middle part or limit portion.
Embodiment 3
Please refer to Fig. 6, preferably, all the other structures and preparation method, with embodiment 1, are propped up and are connectedPart 6 cross sections are sickle hook. Please refer to Fig. 1, preferably, a connector 6 of sickle hookAngle between bending part and straight bar part is not more than 60 °. A connection of every pair of sickle hookThe drawknot position of part 6 is positioned at assembled wall thickness middle part or limit portion.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention,All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc.,Within all should being included in protection scope of the present invention.
Claims (9)
1. a pulling type double steel plate compound shear wall, it is characterized in that: include and be positioned at the steel pipe column (1) at two ends, a pair of steel plate (2) and at least one pulling type connector (3), described two block plates (2) form entirety by the drawknot of pulling type connector (3), the cavity between two steel plates (2) is divided at least two tubular cavities (8) by described pulling type connector (3), the interior casting concrete of described tubular cavity (8) (4), the thickness of the wall ratio steel plate (2) of described steel pipe column (1) is slightly thick.
2. a kind of pulling type double steel plate compound shear wall according to claim 1, it is characterized in that: described pulling type connector (3) is made up of a pair of connector (6), described two connectors (6) drawknot mutually, described steel pipe column (1) is hollow steel tubing string or steel core concrete column.
3. a kind of pulling type double steel plate compound shear wall according to claim 1, is characterized in that: described pulling type connector (3) arranges along the height overall height of steel plate (2).
4. a kind of pulling type double steel plate compound shear wall according to claim 2, it is characterized in that: described connector (6) cross section can be straight hook L-type, sickle hook or hook type, the angle between bending part and the straight bar part of a connector (6) of described hook type or sickle hook is 0-60 °.
5. a kind of pulling type double steel plate compound shear wall according to claim 4, it is characterized in that: the thickness of described pulling type connector (3) equates with body of wall steel plate (2) thickness, or the thickness of described pulling type connector (3) is slightly less than the thickness of body of wall steel plate (2).
6. a kind of pulling type double steel plate compound shear wall according to claim 2, is characterized in that: described every pair connector (6) drawknot position is positioned at assembled wall thickness middle part or limit portion.
7. a kind of pulling type double steel plate compound shear wall according to claim 1, is characterized in that: described pulling type connector (3) is welded and fixed by staggered interrupted one side angle welding (5) with described steel plate (2).
8. a kind of pulling type double steel plate compound shear wall according to claim 1, is characterized in that: the material of described wallboard steel plate (2) and pulling type connector (3) is general steel plate or checkered steel plate.
9. a kind of pulling type double steel plate compound shear wall according to claim 1, is characterized in that: described concrete (4) is normal concrete, high-strength concrete, lightweight aggregate concrete, self-compacting concrete or regeneration concrete.
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CN201610049268.3A CN105604216A (en) | 2016-01-23 | 2016-01-23 | Pull-joint type double-steel-plate composite shear wall |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106522416A (en) * | 2016-11-07 | 2017-03-22 | 中衡设计集团股份有限公司 | Filling type shear wall welded in staggered mode |
CN107130703A (en) * | 2016-10-08 | 2017-09-05 | 石柏林 | A kind of double steel plate shear wall vertically splices node |
CN107795040A (en) * | 2017-10-18 | 2018-03-13 | 天津大学 | Build double steel plate concrete structure double steel plate connecting elements |
CN108316523A (en) * | 2018-03-23 | 2018-07-24 | 广东省建筑科学研究院集团股份有限公司 | A kind of prefabricated steel compound shear wall of band plate button |
CN108487504A (en) * | 2018-04-03 | 2018-09-04 | 清华大学 | A kind of prefabricated assembled double steel plate shear wall combined structure of easy-to-mount unit |
CN113585551A (en) * | 2021-08-17 | 2021-11-02 | 中核能源科技有限公司 | HSC structure with tie bar end anchor connecting node and construction method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1071986A (en) * | 1991-08-13 | 1993-05-12 | 三菱重工业株式会社 | A kind of concrete-filled steel bearing wall and manufacture method thereof |
CN202055373U (en) * | 2011-04-22 | 2011-11-30 | 上海江欢成建筑设计有限公司 | Combined structure of double-steel-plate sandwich concrete wall and square steel tube concrete |
CN102900171A (en) * | 2012-11-06 | 2013-01-30 | 南通建筑工程总承包有限公司 | Steel plate combined shear wall |
CN204940602U (en) * | 2015-08-17 | 2016-01-06 | 中国建筑第八工程局有限公司 | For the T-shaped steel flanged beam steel pipe column compound wall of steel house |
CN205502305U (en) * | 2016-01-23 | 2016-08-24 | 合肥工业大学 | Drawknot formula double steel plates compound shear wall |
-
2016
- 2016-01-23 CN CN201610049268.3A patent/CN105604216A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1071986A (en) * | 1991-08-13 | 1993-05-12 | 三菱重工业株式会社 | A kind of concrete-filled steel bearing wall and manufacture method thereof |
CN202055373U (en) * | 2011-04-22 | 2011-11-30 | 上海江欢成建筑设计有限公司 | Combined structure of double-steel-plate sandwich concrete wall and square steel tube concrete |
CN102900171A (en) * | 2012-11-06 | 2013-01-30 | 南通建筑工程总承包有限公司 | Steel plate combined shear wall |
CN204940602U (en) * | 2015-08-17 | 2016-01-06 | 中国建筑第八工程局有限公司 | For the T-shaped steel flanged beam steel pipe column compound wall of steel house |
CN205502305U (en) * | 2016-01-23 | 2016-08-24 | 合肥工业大学 | Drawknot formula double steel plates compound shear wall |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107130703A (en) * | 2016-10-08 | 2017-09-05 | 石柏林 | A kind of double steel plate shear wall vertically splices node |
CN106522416A (en) * | 2016-11-07 | 2017-03-22 | 中衡设计集团股份有限公司 | Filling type shear wall welded in staggered mode |
CN107795040A (en) * | 2017-10-18 | 2018-03-13 | 天津大学 | Build double steel plate concrete structure double steel plate connecting elements |
CN107795040B (en) * | 2017-10-18 | 2023-12-26 | 天津大学 | Double-steel-plate connecting member for building double-steel-plate concrete structure |
CN108316523A (en) * | 2018-03-23 | 2018-07-24 | 广东省建筑科学研究院集团股份有限公司 | A kind of prefabricated steel compound shear wall of band plate button |
CN108487504A (en) * | 2018-04-03 | 2018-09-04 | 清华大学 | A kind of prefabricated assembled double steel plate shear wall combined structure of easy-to-mount unit |
CN113585551A (en) * | 2021-08-17 | 2021-11-02 | 中核能源科技有限公司 | HSC structure with tie bar end anchor connecting node and construction method |
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