CN204385985U - Combination bearing structure cell curtain wall - Google Patents

Combination bearing structure cell curtain wall Download PDF

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Publication number
CN204385985U
CN204385985U CN201420833084.2U CN201420833084U CN204385985U CN 204385985 U CN204385985 U CN 204385985U CN 201420833084 U CN201420833084 U CN 201420833084U CN 204385985 U CN204385985 U CN 204385985U
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China
Prior art keywords
plate
curtain wall
connector
fixedly connected
unit plate
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Withdrawn - After Issue
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CN201420833084.2U
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Chinese (zh)
Inventor
康宝华
韩平
张成果
丛子军
程海龙
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SHENYANG YUANDA TECHNOLOGY PARK Co Ltd
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SHENYANG YUANDA TECHNOLOGY PARK Co Ltd
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Priority to CN201420833084.2U priority Critical patent/CN204385985U/en
Application granted granted Critical
Publication of CN204385985U publication Critical patent/CN204385985U/en
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Anticipated expiration legal-status Critical

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Abstract

A kind of combination bearing structure cell curtain wall, solving high rigidity panel that existing frame Bracing Systems curtain wall exists, not share the construction costs that wind load causes higher, the problems such as building energy consumption is larger, the coupling assembling comprising unit plate and unit plate and building body are fitted together, its technical essential is: in unit plate employing is incited somebody to action by core and adhesive linkage, outer side panel to be combined with each other the overall structure being formed and have shear-resistant membrane with the framework of band interface, coupling assembling comprises embedded part in plate, plate connector, agent structure connector, sealing joint strip and plate grafting locating piece or plate grafting posting, the two ends of agent structure connector are fixedly connected with major structure of construction with plate connector respectively.It adopts the design of combination bearing structure, and curtain wall plate is stressed more reasonable, and material use is more abundant, on the basis ensureing building safety and decorative effect, saves material further, reduces curtain wall engineering cost and energy consumption, meet architectural effect diversified demand.

Description

Combination bearing structure cell curtain wall
Technical field
The utility model relates to a kind of cell curtain wall, particularly one and had both possessed curtain wall decoration function, has again the combination bearing structure cell curtain wall of good heat-insulating property simultaneously.
Background technology
Existing curtain wall is from form of structure point, and mostly be frame Bracing Systems, namely panel passes to support frame after bearing wind load, and the intensity utilizing framework higher and rigidity are to resist wind load.Element type curtain wall common on current curtain wall market, unit type curtain wall all belong to frame Bracing Systems curtain wall.Frame Bracing Systems curtain wall has a drawback, requires that panel, framework all need to possess certain strength and stiffness exactly.Because under wind action, panel is directly stressed, and for ensureing safety and decorative effect, its deflection deformation can not be excessive under non-destructive prerequisite for panel, so require that panel must have higher strength and stiffness.And framework is as the support member of panel, wind load can be delivered on framework by panel 100%, and panel or near-synchronous synchronous with framework is out of shape.In order to ensure that panel deformation within the specific limits, framework is needed to have good strength and stiffness.Therefore, specifications design and the requirement of material in mechanical property of frame Bracing Systems curtain wall counter plate and framework are relatively high, and this also makes curtain wall engineering cost higher, and the building energy consumption of curtain wall engineering is also larger simultaneously.
Patent announcement number is that " a kind of building curtain wall sandwiched plate " of CN203856111U discloses a kind of curtain wall clip central layer, its technical scheme comprises: medial and lateral are between metal sheet, medial and lateral metal sheet and are provided with core, is provided with son, female tongue and groove of polyurethane sealing edge and convex-concave coupling at the two ends of outside metal sheet and inner metal plate.Although this curtain wall clip central layer make use of shear-resistant membrane, the rigidity of this curtain wall slab is improved, and has heat-insulating property, the curtain wall clip central layer of this structure is not a complete curtain wall system, and is only the panel that in curtain wall system, rigidity is high.When practical application, be also required to be its and be equipped with there is the framework of better strength and stiffness, just can make it to possess certain resisting wind press capacity, and this panel still can pass to supporting frame construction wind load 100%, in frame construction, do not have superiority.This curtain wall slab disclosed in this patent, is still that a kind of frame supports Curtain Wall, can't brings great practical application effect, in building curtain wall economy, also not have much advantages.
Report according to patent document, also disclose the curtain wall panel of some similar structures, patent announcement number as the applicant's earlier application is " a kind of metal-plate curtain wall structure " of CN102392506B, and disclosed in it, technical scheme comprises: centre keel, crossbeam and metal sheet, spring fastener etc.The metal sheet periphery mounting spring clip of lid shape, the spring fastener on this spring fastener and centre keel, crossbeam cooperatively interacts, and can realize the Fast Installation of metal sheet and centre keel and crossbeam.When this technology solves metal plate curtain wall installation fee, effort, the problems such as the easy pollution effect outward appearance in plate face are the technical schemes of a kind of simple installation, clean appearance curtain wall panel.But this curtain wall panel structure still has problem to be overcome, as under the rigidity prerequisite ensureing metal sheet, centre keel and crossbeam, how effectively to reduce costs, improve the problem etc. of the heat-insulating property of curtain wall.This structure is linked together by spring fastener due to metal sheet and centre keel, crossbeam, and under wind action, suffered wind load 100% can be passed to centre keel, crossbeam by metal sheet.The good metal sheet of this rigidity does not share any wind load for centre keel, crossbeam, so slightly not enough in economy.In addition, because metal is the good conductor of heat, so this curtain wall panel is also weak in heat-insulating property.Patent announcement number is " a kind of insulation and decoration goes along with sb. to guard him integrated external application curtain wall panel " of CN203878830U, disclosed in it, technical essential is: comprise the metal edge frame that surrounding arranges draw-in groove, with trim panel decoration panel and inject the heat insulation core material etc. of the high-strength light between trim panel.Although this curtain wall panel solves the problem that insulation and decoration goes along with sb. to guard him integration, also there is the application problem in some engineerings.First, this frame is provided with lifting nut, and during installation, frame needs to have higher-strength and rigidity to overcome plate deadweight, makes this metal edge frame just not possess economy on cost.Secondly, what this core was selected is the material that intensity is not less than 0.7Mpa, density is less than 350kg/m3.According to the information that its embodiment discloses, this core can be foam cement, polyphenyl glue powder particles foam cement etc., and these can meet the heat insulating material of its requirement of strength, in building thermal insulation material, be just not really light material.Because in this curtain wall panel, the scale of construction of core is maximum, it is excessive that this just makes this curtain wall panel conduct oneself with dignity, higher to the intensity of frame, rigidity requirement, so its economy is also poorer.Again, curtain wall panel dependent building structural element, curtain wall can not share the load of building body, just reliably must be connected with building body, and building body should have the deformability in certain plane relatively.Because it does not disclose relevant information, so there is the deficiency on engineer applied in technology.Patent announcement number is " a kind of insulation and decoration metal curtain wallboard " of CN203867020U, disclosed curtain wall panel comprises inside and outside metal lagging, gusset between two plates and fill insulant material are set, there is the junction plate of fixing gusset at the two ends of inside and outside metal lagging, junction plate arranges built-in fitting.The defect that this metal curtain wallboard exists is: this curtain wall is the mutation that traditional frame supports curtain wall, and the wind load that curtain wall bears can acting on gusset by metal decking 100%.This structure needs panel and gusset all will have good intensity and rigidity, and the panel with better intensity and toughness only plays decoration and load transmission effect, does not share main stress component---and gusset load, there is performance wasting phenomenon in panel.In addition, from the technical information that it discloses, the main stress component of this curtain wall panel is gusset, and this metal curtain wallboard is upper and lower two end supports when engineer applied, corrugated sheet fixing on its gusset is laterally but not vertical layout, can't improves the anti-bending strength of gusset like this.Moreover curtain wall vertical span in engineering reality is general comparatively large, so require higher to the vertical anti-bending strength of gusset, meets the demand of practical application if want, its specification is bound to comparatively large, does not meet building economy requirement.Finally, as curtain wall, must possess opposing body structure and have certain displacement ability, not relevant record in the information that can disclose in this patent, so there is the defect in practical application in this technology.Publication number is " heat preservation decoration integrative integrated wall and the manufacture method " of CN103410244A, the body of wall recorded comprises main veneer composite board and time veneer composite board, main veneer composite board and time veneer composite board are separately fixed at the both sides of bearing keel, fixed by connector between adjacent main veneer composite board, connector is fixed on bearing keel, and bearing keel is fixed on major structure of construction.This technical scheme is similar in first patent " a kind of metal-plate curtain wall structure " with the applicant in principle, is all a kind of form that frame supports curtain wall, and its drawback is still body of wall does not share any wind load problem for bearing keel.The primary and secondary veneer composite board of technique scheme only plays decoration function, and its main stress component is bearing keel.Because primary and secondary veneer composite board is not for bearing keel shares load, so require that bearing keel has good rigidity.From it, this conclusion requires that bearing keel spacing is that 600 mm ~ 1000mm also can confirm.And we know that the centre keel spacing of common buildings curtain wall is general all between 1000mm ~ 1200mm.Due to its keel increasing number, not only cause keel cost to increase, the component count simultaneously making keel be connected with major structure of construction also increases, so the economy of its technical scheme bad.This technology uses composite plate as internal and external ornament panel in addition, although it has possessed heat-insulating property, economy just loses.Although the strength and stiffness performance of composite plate is all better, do not given play in this technical scheme share any wind load advantage out.
In sum, in existing frame Bracing Systems curtain wall, panel has good strength and stiffness, but the unpromising framework of panel shares wind load, in this system curtain wall, wind load can acting on framework by panel 100%, and this load is delivered on major structure of construction by connector by framework.This just wastes the good strength and stiffness of panel greatly.
Utility model content
The purpose of this utility model is to provide a kind of combination bearing structure cell curtain wall, solving high rigidity panel that existing frame Bracing Systems curtain wall exists, not share the construction costs that wind load causes higher, the problems such as building energy consumption is larger, it adopts the design of combination bearing structure, curtain wall plate is stressed more reasonable, and material use is more abundant, on the basis ensureing building safety and decorative effect, further saving material, reduction curtain wall engineering cost and energy consumption, meet architectural effect diversified demand.
The technical scheme that the utility model adopts is: the coupling assembling that this combination bearing structure cell curtain wall comprises unit plate and unit plate and building body fitted together, its technical essential is: in described unit plate employing is incited somebody to action by core and adhesive linkage, outer side panel to be combined with each other the overall structure being formed and have shear-resistant membrane with the framework of band interface, coupling assembling comprises embedded part in plate, plate connector, agent structure connector, sealing joint strip and plate grafting locating piece or plate grafting posting, in plate, embedded part is made up of core embedded part and frame adaptor two parts, frame adaptor and framework are fixed together, be embedded in core embedded part in plate core and frame adaptor is fixed together, core embedded part is fixed together by securing member and inner panel and plate connector, the plate connector being fixed on unit plate indoor is fixedly connected with one end of agent structure connector, the other end of agent structure connector is fixedly connected with major structure of construction.
Utilize described plate grafting locating piece to be stitched together between adjacent cells plate, or utilize plate grafting posting to be stitched together, or utilize docking connecting-type to be stitched together.
Described plate connector is fixed on the top of unit plate by embedded part in securing member and plate, and form hanging-connecting unit plate, plate connector is fixed on the bottom of unit plate by embedded part in securing member and plate, forms seated connection formula unit plate.
The agent structure connector be fixedly connected with the plate connector of described hanging-connecting unit plate, is fixedly connected on the leading flank of major structure of construction reversed beam.
The agent structure connector be fixedly connected with the plate connector of described hanging-connecting unit plate, is fixedly connected on the bottom surface of major structure of construction floor.
The agent structure connector be fixedly connected with the plate connector of described seated connection formula unit plate, is fixedly connected on the end face of major structure of construction reversed beam.
The advantage that the utility model has and good effect are: because unit plate of the present utility model adopts by core and adhesive linkage general, outer side panel to be combined with each other the overall structure being formed and have shear-resistant membrane with the framework of band interface, embedded part in the plate that core is inner pre-buried, frame adaptor and framework are fixed together, be embedded in core embedded part in plate core and frame adaptor is fixed together, core embedded part is fixed together by securing member and inner panel and plate connector, so embedded part not only flexibly connects with core in plate, and be rigidly connected with framework, play the effect bearing load respectively.Therefore, load transmission is assigned to two paths as shown in figure 11: embedded part-plate connector-agent structure connector-building body in the inside and outside panel-core-framework-plate of the first; It two is embedded part-plate connector-agent structure connector-building bodies in inside and outside panel-core-plate.The combination bearing structure cell curtain wall stress system of formation is so just made to there occurs substantial change, namely load is along two paths transmission, every bar bang path actual transfer to load be all less than the outside load applied, achieve bearing respectively of load, make the distribution of force of curtain wall plate more reasonable, can make full use of the mechanical property of material, material is utilized more fully.Because it has no longer belonged to frame Bracing Systems curtain wall, but a kind of cell curtain wall of combination bearing structure completely newly, therefore not only possess the decoration functions of curtain wall, there is good heat-insulating property simultaneously, the heat insulating work outside agent structure when conventional curtain wall is applied can be cancelled.Compared with similar products, under equal loading condition, internally, the load bearing requirements of outer side panel, framework is lower, on the basis ensureing building safety and decorative effect, both material was saved further, greatly reduce curtain wall engineering cost and building energy consumption, various decorative effect can be realized again, meet the diversified demand of architectural effect.
The utility model is compared with traditional frame Bracing Systems curtain wall, what utilize core and adhesive linkage medial and lateral panel and the framework of band interface to be combined with each other to be formed has the integrally-built unit plate of shear-resistant membrane, assume responsibility for load respectively, reduce the load suffered by framework to a certain extent, significantly reduce the mechanical property requirements of curtain wall counter plate and framework, given full play to the effect of panel, formation panel, framework share the cell curtain wall of the combination bearing structure of wind load jointly.Therefore, wind load do not shared by the high rigidity panel that the utility model fundamentally solves the existence of existing frame Bracing Systems curtain wall, material property waste is higher with the construction costs caused thus, and the problems such as building energy consumption is larger, this is also the main problem that the utility model solves.
Experimental result shows: be all 140mm, deflection deformation in deformation range allowable (under the span condition of 2.8m at building curtain wall thickness, it allows maximum defluxion distortion to be about 12mm), the maximum wind load that combinations thereof bearing structure cell curtain wall can bear can reach 7000Pa, and the maximum wind load that common frame support curtain wall can bear is about 1500Pa.Therefore, supporting capacity of the present utility model improves greatly, and effect is very obvious.And under equal loading condition (the wind load condition as 7000Pa), in equal deformation range allowable, the thickness of this combination bearing structure cell curtain wall only needs 140mm, and the thickness that common frame supports curtain wall needs to reach 210mm.As can be seen here, when practical engineering application, it is more frivolous, more economical that combination bearing structure cell curtain wall of the present utility model can design, and can reduce construction costs further, reduce building energy consumption.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is a kind of hanging-connecting unit plate structural representation of the present utility model;
Fig. 2 is the sectional view of Fig. 1 along A-A line;
Fig. 3 is the sectional view of Fig. 1 along B-B line;
Fig. 4 is a kind of seated connection formula unit plate structural representation of the present utility model;
Fig. 5 is a kind of adjacent cells interplate grafting locating piece splicing construction schematic diagram;
Fig. 6 is a kind of adjacent cells interplate grafting posting splicing construction schematic diagram;
Fig. 7 is a kind of adjacent cells interplate docking connection box splicing construction schematic diagram;
Fig. 8 is the structural representation of a kind of hanging-connecting unit plate and major structure of construction reversed beam side joint;
Fig. 9 is the structural representation connect at the bottom of a kind of hanging-connecting unit plate and major structure of construction floor;
Figure 10 is the structural representation of a kind of seated connection formula unit plate and major structure of construction reversed beam apical grafting;
Figure 11 is a kind of load bang path schematic diagram of the present utility model.
In figure, sequence number illustrates: 1 framework, 2 outer side panels, 3 adhesive linkages, 4 cores, 5 inner panel, 6 plate connectors, 7 core embedded parts, 8 frame adaptors, 9 agent structure connectors, 10 sealing joint strips, 11 plate grafting locating pieces, 12 plate grafting postings, 13 edge sealing sectional materials, 14 docking connection profiles.
Detailed description of the invention
Concrete structure of the present utility model is described in detail according to Fig. 1 ~ 11.The coupling assembling etc. that this combination bearing structure cell curtain wall comprises unit plate and unit plate and building body fitted together.Wherein unit plate is adopted and inner panel 5, outer side panel 2 and the framework 1 of band interface to be combined with each other the overall structure being formed and have shear-resistant membrane by core 4 and adhesive linkage 3.Coupling assembling comprises embedded part in plate, plate connector 6, agent structure connector 9, sealing joint strip 10 and the part such as plate grafting locating piece 11 or plate grafting posting 12.And the edge sealing sectional material 13 of special cross section can be increased according to sealing requirements, realize the sealing (as shown in Figure 6) of plate splicing seams.The sealing joint strip 10 of various shape is mainly used in unit plate and the sealing that in coupling assembling, each is connected.Mounting means and the existing unit type curtain wall of this combination bearing structure cell curtain wall are similar, both can adopt the form of structure of hanging-connecting unit plate that (as shown in Figure 1) is installed, and also can adopt the form of structure of seated connection formula unit plate that (as shown in Figure 4) is installed.Its mesoplate connector 6 according to actual operation requirements, can be fixed on the top of unit plate by embedded part in securing member and plate, namely forms hanging-connecting unit plate.Plate connector 6 can also be fixed on the bottom of unit plate by embedded part in securing member and plate, namely forms seated connection formula unit plate.
Unit plate according to curtain wall engineering needs, can determine its concrete specification.Inner panel 5 in unit plate, outer side panel 2 can adopt the various sheet materials such as cement fibrolite plate, glass, steel plate, aluminium sheet, glass magnesium plate, and can according to architectural decoration need carry out various incrustation process.
Core 4 in unit plate can adopt the light material with some strength to make, as rock wool, hard-foam polyurethane, foam cement, foam concrete, EPS benzene plate, XPS extruded sheet etc.Core can be homogenous material, also can be the combination of several core material.The thickness of core 4 by the thickness of direct determining means plate, and then decides heat-insulating property and the mechanical property of unit plate, should require choose reasonable in engineer applied according to thermal requirements and safety of structure.
Framework 1 in unit plate can adopt the frame shape or inorganic section bar with some strength and rigidity, as light gauge cold-formed steel shape, aluminium extruded sections, extrudes concrete sections, glass magnesium profile material etc.For hollow profile, also according to structural calculation needs, optionally can fill core in hollow profile cavity, to improve rigidity and the stability of framework 1.
In plate in unit plate, embedded part is made up of two parts, is respectively core embedded part 7, frame adaptor 8, and these two parts can be made up of the metal of high strength, adopts steel, aluminium or other material.Frame adaptor 8 and framework 1 are fixed together reliably by securing member or other connected mode, and core embedded part 7 is embedded in plate core 4.Core embedded part 7 and frame adaptor 8 are fixed together by securing member or other connected mode, and core embedded part 7 is fixed together by securing member and inner panel 5 and plate connector 6, for unit plates of curtain wall installation provides installation fixed point.
Adhesive linkage 3 in unit plate can be made up of the organic adhesive or inorganic adhesive with certain weatherability.Adhesive linkage 3 is mainly used in bonding core 4 and medial and lateral panel 5,2, and bonding core 4 and framework 1, as shown in Fig. 2,3,5.When framework 1 contacts with medial and lateral panel 5,2, then adhesive linkage 3 is for bonding medial and lateral panel 5,2 and framework 1.When core 4 self has adhesive property (as hard-foam polyurethane), core 4 is bonding with the bonding core 4 self that utilizes of medial and lateral panel 5,2 and framework 1, and no longer uses adhesive linkage 3.
Plate connector 6 in coupling assembling can be made up of the metal of high strength, adopts steel or aluminium.This plate connector 6 is firmly arranged on unit plate, and is fixed together by embedded part in securing member and plate.Plate connector 6 is fixed on the indoor of unit plate by securing member.
Agent structure connector 9 in coupling assembling can be made up of the metal of high strength, adopts steel or aluminium.This part is firmly arranged on major structure of construction, for unit plate provides installation fixed point.One end of agent structure connector 9 is fixedly connected with plate connector 6, and whether the other end of agent structure connector 9 can have reversed beam according to the underfloor of major structure of construction, selects to be fixedly connected on floor or on reversed beam.
Plate connector 6 and agent structure connector 9 cooperatively interact, and are reliably fixed together by securing member, to meet the requirement to performances such as intensity, plane displacement abilities when unit plates of curtain wall is installed.
Plate grafting locating piece 11 and sealing joint strip 10 can be utilized between the adjacent cells plate of this combination bearing structure cell curtain wall to be stitched together (as shown in Figure 5), grafting posting 12 and sealing joint strip 10 and edge sealing sectional material 13 can be utilized to be stitched together (as shown in Figure 6), also docking connection profile 14 and sealing joint strip 10 can be utilized to be stitched together (as shown in Figure 7), to meet cell curtain wall, tightness, watertightness to be required and safety of structure requirement.Certainly, also can adopt the reasonable combination of more multicompartment, such as adopt weather proofing sealant replacement seal adhesive tape 10 etc.
When combination bearing structure cell curtain wall is installed, first unit plate is made hanging-connecting structure or seated connection formula structure by designing requirement, again adjacent cells plate is spliced, finally by securing member, the plate connector 6 be fixedly connected on hanging-connecting unit plate is tightened together with the agent structure connector 9 be fixedly connected on major structure of construction reversed beam leading flank, as shown in Figure 8.By same mounting means, the plate connector 6 be fixedly connected on hanging-connecting unit plate is tightened together with the agent structure connector 9 being fixedly connected on major structure of construction soffit, as shown in Figure 9.The plate connector 6 be fixedly connected on seated connection formula unit plate is tightened together with the agent structure connector 9 being fixedly connected on major structure of construction reversed beam end face, as shown in Figure 10.

Claims (6)

1. a combination bearing structure cell curtain wall, the coupling assembling comprising unit plate and unit plate and building body are fitted together, is characterized in that: described unit plate is adopted and medial and lateral panel and the framework of band interface to be combined with each other the overall structure being formed and have shear-resistant membrane by core and adhesive linkage; Coupling assembling comprises embedded part in plate, plate connector, agent structure connector, sealing joint strip and plate grafting locating piece or plate grafting posting; In plate, embedded part is made up of core embedded part and frame adaptor two parts, frame adaptor and framework are fixed together, be embedded in core embedded part in plate core and frame adaptor is fixed together, core embedded part is fixed together by securing member and inner panel and plate connector, the plate connector being fixed on unit plate indoor is fixedly connected with one end of agent structure connector, and the other end of agent structure connector is fixedly connected with major structure of construction.
2. combination bearing structure cell curtain wall according to claim 1, it is characterized in that: between adjacent cells plate, utilize described plate grafting locating piece to be stitched together, or utilize plate grafting posting to be stitched together, or docking connection profile is utilized to be stitched together.
3. combination bearing structure cell curtain wall according to claim 1, is characterized in that: described plate connector is fixed on the top of unit plate by embedded part in securing member and plate, forms hanging-connecting unit plate; Plate connector is fixed on the bottom of unit plate by embedded part in securing member and plate, forms seated connection formula unit plate.
4. combination bearing structure cell curtain wall according to claim 3, is characterized in that: the agent structure connector be fixedly connected with the plate connector of described hanging-connecting unit plate, is fixedly connected on the leading flank of major structure of construction reversed beam.
5. combination bearing structure cell curtain wall according to claim 3, is characterized in that: the agent structure connector be fixedly connected with the plate connector of described hanging-connecting unit plate, is fixedly connected on the bottom surface of major structure of construction floor.
6. combination bearing structure cell curtain wall according to claim 3, is characterized in that: the agent structure connector be fixedly connected with the plate connector of described seated connection formula unit plate, is fixedly connected on the end face of major structure of construction reversed beam.
CN201420833084.2U 2014-12-25 2014-12-25 Combination bearing structure cell curtain wall Withdrawn - After Issue CN204385985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420833084.2U CN204385985U (en) 2014-12-25 2014-12-25 Combination bearing structure cell curtain wall

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594535A (en) * 2014-12-25 2015-05-06 沈阳远大科技园有限公司 Unit curtain wall of composite bearing structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594535A (en) * 2014-12-25 2015-05-06 沈阳远大科技园有限公司 Unit curtain wall of composite bearing structure

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