CN202248292U - Ultrathin-wall steel structure connecting piece and connecting structure thereof - Google Patents
Ultrathin-wall steel structure connecting piece and connecting structure thereof Download PDFInfo
- Publication number
- CN202248292U CN202248292U CN2011202721410U CN201120272141U CN202248292U CN 202248292 U CN202248292 U CN 202248292U CN 2011202721410 U CN2011202721410 U CN 2011202721410U CN 201120272141 U CN201120272141 U CN 201120272141U CN 202248292 U CN202248292 U CN 202248292U
- Authority
- CN
- China
- Prior art keywords
- steel
- connector
- thin
- ultra
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an ultrathin-wall steel structure connecting piece and a connecting structure thereof. The connecting piece is a hollow cube or a rectangular connecting piece, a front side plate and a rear side plate of the connecting piece are two pieces of channel steel buckled with each other, an upper side plate and a lower side plate of the connecting piece are two pieces of channel steel which are buckled with each other but are not contacted, wherein two side wing plates of upper channel steel and lower channel steel are all fixed on the outer sides of a front channel steel wing plate and a rear channel steel wing plate, and the non-contacting portion between the upper channel steel wing plates and the lower channel steel wing plates forms a hoping groove. The ultrathin-wall steel structure connecting piece is simple and quick in operation, high in strength, good in axial constraint performance and strong in integrity, effectively controls local buckling of ends when ultrathin-wall section steel is stressed and improves bearing capacity of structural members. The ultrathin-wall steel structure connecting piece has the advantages of enabling two connecting structural members to be in the same direction and being suitable for butt joint of two pieces of ultrathin-wall section steel when the length of the ultrathin-wall steel structural members is not enough, and is simple in installing mode, practical, quick and convenient to operate and capable of remarkably saving cost and working hours.
Description
Technical field
The utility model relates to the technical field of ultra-thin-wall steel work, particularly relates to a kind of ultra-thin-wall steel structure connecting member and syndeton thereof.
Background technology
Light gauge cold-formed steel shape structural construction system since its from heavy and light, anti-seismic performance is good, type of attachment is various; Can adapt to complicated architectural image, less or do not have a wet work, suitable batch production optimal design and modularization production; Short construction period, house general layout flexible arrangement, building waste is few; Member is reusable, and the characteristics that the pollution of environment approached zero grade more and more receive people's attention, and are classified as the project optimization in bottom and the middle-high building.
Along with the development of metallurgical technology and the exploitation of cold roll forming technology, the cold-rolled forming section member applies in the building field in the high-strength cold-formed steel of U.S.'s thickness at 0.55mm-2mm towards high-strength ultra-thin development widely.China still is blank to this exploitation.To the exploitation and the application of novel high-strength cold-rolled forming section especially ultra-thin-wall cold-rolled forming section, become the new forward position in cold-rolled forming section field.
At present the cold bending thin wall steel work and the flourishing state of China also have a certain distance, and production equipment and technology are comparatively outmoded to fall.Deep processing to product members is not enough, does not reach part widely as yet, modularization production.Computer-aided Design Technology to product members is produced is immature, still needs a large amount of basic researchs.Research dynamics to novel cold bending thin wall steel structure system is not enough, gets used to adopting foreign forming technique, and the structural system of being developed with independent intellectual property right is few, lacks independent brand.
Along with developing rapidly of new countryside construction in recent years; House demand to new structure constantly increases, and has also changed traditional idea gradually, and the steel work house also comes in rural development gradually; Existing steel work house architecture is relatively heavier; Construction period is long, and cost is higher, is unfavorable for it and applies; Utility model people has proposed a kind of novel steel work house system in applying for the utility model patent in ultra-thin-wall steel work monomer section bar and built-up sectional material and ultra-thin-wall steel work room thereof last year, present patent application is exactly the problem for the Fast Installation of the above-mentioned patent of supporting solution.
The utility model content
The purpose of the utility model is in order to address the above problem, a kind of ultra-thin-wall steel structure connecting member and syndeton thereof to be provided.
The technical scheme of the utility model is: a kind of ultra-thin-wall steel work column connector, be hollow square or cuboid connector, and the middle part of two parallel side of this connector is provided with the hoop groove.
The forward and backward side plate of said connector is two U-steels that interlock; Upper and lower side plate is two and interlocks but discontiguous U-steel; Wherein the wing plates on two sides of upper and lower U-steel all is fixed in the outside of forward and backward U-steel wing plate, and discontiguous part forms the hoop groove between this upper and lower U-steel wing plate.
The web of forward and backward U-steel and upper and lower U-steel is provided with the lightening hole of coupling.
To be that a monoblock strip slot shaped steel plate is folding form this connector; Its folding step is: (1) is made three pairs of groovings respectively on the bilateral symmetry wing plate of strip slot shaped steel plate; Make the bilateral symmetry wing plate be divided into four pairs of sub-flat bars; And satisfied first is identical with the 3rd pair of sub-flat bar length, and second is identical with the 4th pair of sub-flat bar length; (2) be folding rib with any a pair of grooving place straight line, inwardly folding 90 degree form square or cuboids, and outside first and the 3rd pair of sub-flat bar be positioned at, second and the 4th pair of sub-flat bar was positioned at the inboard, and this outside and inboard sub-flat bar are separately fixed at together.
In (1) step, the lightening hole of coupling is set simultaneously on the web of four sections grooved steel plates that are connected
A kind of syndeton of ultra-thin-wall steel work column; Comprise two sections hollow ultra-thin-wall steel posts; The end of two sections hollow ultra-thin-wall steel posts is inserted the said connector outside respectively, utilizes the banding steel band that two sections hollow ultra-thin-wall steel posts are bound round simultaneously and rolls in the hoop groove of connector.
The width of described banding steel band is slightly less than the width of connector hoop groove.
The end of first hollow ultra-thin-wall steel post is gradually reduced outside the connector hoop groove earlier with the banding instrument; To utilize the banding instrument with the gradually reduce outside of first hollow ultra-thin-wall steel post, the end of second hollow ultra-thin-wall steel post again; The suit banding steel band in the outside of second hollow ultra-thin-wall steel post; Utilize the banding instrument that the two ends of banding steel band are stretched banding steel band hoop is rolled in connector hoop groove, the two ends of banding steel band are fixed.
The syndeton of a kind of ultra-thin-wall steel work column and lintel; Comprise hollow ultra-thin-wall steel post and lintel; The end of hollow ultra-thin-wall steel post is inserted the said connector outside respectively; Utilize the banding steel band that hollow ultra-thin-wall steel post hoop is rolled in the hoop groove of connector, the end face of connector is fixed on the base plate of lintel.
Be fixed with a U-steel connector on the last or lower side panel of said connector, this U-steel connector and lintel base plate are fixed together.
A kind of ultra-thin-wall shaped steel connector is applied to the joint of ultra-thin-wall section bar, is hollow rectangular structure or cuboid groove structure, and the middle part of two parallel sides of this connector is provided with the hoop groove.
Said connector comprises an epipleural and former and later two side plates; Be U-steel; The web of epipleural is a square or rectangular; The height of forward and backward side plate is identical with the both wings plate height of epipleural, and two wing plates of forward and backward side plate snapping respectively are fixed on the two wing plates outside of epipleural, the wing plate snapping of forward and backward biside plate and discontiguous part forms the hoop groove.
The web of epipleural is provided with the lightening hole of coupling.
To be that a monoblock strip slot shaped steel plate is folding form this connector; Its folding step is: (1) is made two pairs of groovings respectively on the bilateral symmetry wing plate of strip slot shaped steel plate; Make the bilateral symmetry wing plate be divided into three pairs of sub-flat bars; And satisfied first is highly identical with it with the 3rd pair of sub-flat bar length, and second pair of sub-flat bar length is greater than first and the 3rd pair of sub-flat bar length sum; (2) belonging to straight line with any a pair of grooving is folding rib, and the inwardly folding 90 degree formation cuboid grooves of branch, and first and the 3rd pair of sub-flat bar are positioned at the outside, and second pair of sub-flat bar is positioned at the inboard, and this outside and inboard sub-flat bar are separately fixed at together.
In (1) step, the lightening hole of coupling is set simultaneously on the web of end slot shaped steel plate.
A kind of syndeton of ultra-thin-wall steel comprises two sections ultra-thin-wall section bars, and the end of two sections ultra-thin-wall section bars is inserted the said connector outside respectively, utilizes the banding steel band that two sections ultra-thin-wall section bars are bound round simultaneously and rolls in the hoop groove of connector.
The width of described banding steel band is slightly less than the width of connector hoop groove.
The end of first ultra-thin-wall section bar is gradually reduced outside the connector hoop groove earlier with the banding instrument; To utilize the banding instrument with the gradually reduce outside of first ultra-thin-wall section bar, the end of second ultra-thin-wall section bar again; The suit banding steel band in the outside of the second ultra-thin-wall section bar; Utilize the banding instrument to the two ends stretching of banding steel band banding steel band hoop to be rolled in connector hoop groove, the two ends to the banding steel band are fixed simultaneously.
The beneficial effect of the utility model
The utility model adopts combination shaped steel (ultra-thin-wall steel work) to be connected with the form that novel post connector hoop connects, and promptly compound section shaped steel, twines hoop steel rolling band with thin steel band again and fetters in the hoop groove of connector in termination compressive strain in the periphery, forms hoop and connects.The connection of this form, simple and efficient to handle, intensity is high, and axial constraint is functional, and the node globality is strong, and the termination cripling when effectively controlling the light-gauge steel section pressurized improves bearing of component.
The post connector mainly applies to two connecting elementss in the same way or situation such as vertical.Like being connected of compound section post and lintel, or two compound section posts dock etc. each other when the not enough length of member.
Ultra-thin-wall shaped steel connector has makes two connecting elementss characteristics in the same way, and two ultra-thin-wall shaped steel dock each other when being applicable to the not enough length of ultra-thin-wall Steel section member.
The utility model post connector simple in structure made easily, and applicability is strong.When utilizing post connector and ultra-thin-wall shaped steel connector, mounting means is simple between the combination shaped steel, and practicality is easy to operate, fast, can practice thrift significantly cost and man-hour.In addition, the part web of connector middle part is provided with the lightening hole of coupling, the deadweight that can further alleviate this connector, thereby the deadweight that can alleviate the house.
Description of drawings
Fig. 1 is the structural representation of the utility model ultra-thin-wall steel work column connector;
Fig. 2 is a kind of folding process sketch map of the utility model ultra-thin-wall steel work column connector;
Fig. 3 is two upright post connection structure sketch mapes;
Fig. 4 is column and lintel syndeton sketch map;
Fig. 5 is the sketch map of connector member in the column;
Fig. 6 is the structural representation of the utility model ultra-thin-wall shaped steel connector;
Fig. 7 is a kind of folding process sketch map of the utility model ultra-thin-wall shaped steel connector;
Fig. 8 is two ultra-thin-wall shaped steel syndeton sketch mapes.
Label A is a ultra-thin-wall steel work column connector among the figure, and 1 is forward and backward side plate (grooved steel plate), the wing plate of sidewall before and after 1a and 1b are respectively, and 2 is upper and lower side plate (grooved steel plate), 2a and 2b are respectively the wing plate of top and bottom sidewall; 3 are the hoop groove, and 4 are the U-steel before folding, and 4a and 4b are respectively the wing plates on two sides of U-steel, 5,5a, 5b be column; 6 is the contraction position of column, and 7 is the banding steel band, and 8 is banding position (banding button), and 9 is the base plate of lintel; 10 is grooving, and 11 is lightening hole, and B is a ultra-thin-wall shaped steel connector, and 20 is grooving; 21 is forward and backward side plate (grooved steel plate), the wing plate of sidewall before and after 21a and 21b are respectively, and 22 is epipleural (grooved steel plate), 22a is the wing plate of top and bottom sidewall; 23 are the hoop groove, and 24 are the U-steel before folding, and 24a and 24b are respectively the wing plates on two sides of U-steel, and 25a, 25b are ultra-thin-wall shaped steel; 26 is the contraction position of ultra-thin-wall shaped steel, and 27 is the banding steel band, and 28 is banding position (banding button), and 29 is lightening hole.
The specific embodiment
Embodiment one: a kind of ultra-thin-wall steel work column connector, be square or cuboid connector, and the middle part of two parallel side of this connector is provided with hoop groove 3.
Concrete structure is referring to Fig. 1; The forward and backward side plate 1 of connector is two U-steels that interlock (can contact also and can not contact behind the wing plate make-up of front and back side plate); Upper and lower side plate 2 is two and interlocks but discontiguous U-steel; The wing plates on two sides 2a of this upper and lower U-steel and 2b all are fixed in the outside of forward and backward U-steel wing plate 1a and 1b, and discontiguous part forms hoop groove 3 between the wherein upper and lower U-steel wing plate.
In addition, the web of forward and backward U-steel 1 and upper and lower U-steel 2 is provided with the lightening hole of coupling.
Embodiment two: referring to Fig. 2, be a kind of folding composition mode of embodiment one connector of describing.This connector is a monoblock strip slot shaped steel plate 4 folding forming; Its folding step is: (1) is made 10 one-tenth four pairs of sub-flat bars of three pairs of grooving shapes respectively on the bilateral symmetry wing plate 4a of strip slot shaped steel plate 4 and 4b; And satisfied first is identical with the 3rd pair of sub-flat bar length, and second is identical with the 4th pair of sub-flat bar length; The lightening hole (2) that coupling is set on the web of four sections grooved steel plates that are connected simultaneously is folding rib with relative grooving place, both sides straight line; Inwardly be folded to form square or cuboid; And first and the 3rd pair of sub-flat bar is positioned at the outside; Second and the 4th pair of sub-flat bar is positioned at the inboard, and this outside and inboard sub-flat bar are separately fixed at together.
Embodiment three: referring to Fig. 3; A kind of syndeton of ultra-thin-wall steel work column; Comprise two sections hollow ultra-thin- wall steel post 5a and 5b; The end of two sections hollow ultra-thin-wall steel posts is inserted the said connector A outside respectively, utilizes banding steel 7 bands that two sections hollow ultra-thin-wall steel posts are bound round simultaneously and rolls in the hoop groove 3 of connector.
The width of described banding steel band 7 is slightly less than the width of connector hoop groove 3.
Above connection procedure does; Earlier the end of first hollow ultra-thin-wall steel post 5a is compressed to connector A and binds round groove 3 outsides with the banding instrument; To utilize the banding instrument end of second hollow ultra-thin-wall steel post 5b to be compressed to the outside of first hollow ultra-thin-wall steel post 5a again; Outside suit banding steel band 7 at the second hollow ultra-thin-wall steel post 5b; Utilize the banding instrument that the two ends of banding steel band 7 are stretched banding steel band hoop is rolled in connector hoop groove 3, utilize banding button 8 to be fixed the two ends of banding steel band.
Embodiment four: referring to Fig. 4 and Fig. 5; The syndeton of a kind of ultra-thin-wall steel work column and lintel; Comprise hollow ultra-thin-wall steel post 5 and lintel; The end of hollow ultra-thin-wall steel post 5 is inserted the said connector A outside respectively, utilizes banding steel band 7 that hollow ultra-thin-wall steel post 5 hoops are rolled in the hoop groove 3 of connector, and the end face of connector is fixed on the base plate 9 of lintel.
Can also be fixed with a U-steel connector on the said connector or on the lower side panel, this U-steel connector and lintel base plate are fixed together.
Embodiment five: a kind of ultra-thin-wall shaped steel connector, be the cuboid connector, and the middle part of two parallel side of this connector is provided with hoop groove 23.
Concrete structure is referring to Fig. 6, and connector comprises an epipleural 22 and forward and backward side plate 21, is U-steel.The web of upper side edge is a square or rectangular, and this web is provided with the lightening hole 29 of coupling.The height of forward and backward side plate 21 is highly identical with two wing plate 22a of epipleural, and two wing plate 21a of forward and backward side plate 21 and 21b snapping respectively are fixed on outside two wing plates of upper side edge, and the discontiguous part of each wing plate 21a of forward and backward dual-side and 21b forms hoop groove 23.
Embodiment six: referring to Fig. 7, be a kind of folding composition mode of embodiment one connector of describing.This connector is a monoblock strip slot shaped steel plate 24 folding forming; Its folding step is: (1) with the wing plates on two sides of grooved steel plate 24 respectively intercepting go out needed height; Also can directly select the grooved steel plate 24 of proper height wing plate; On the bilateral symmetry wing plate 24a of strip slot shaped steel plate 24 or 24b, doing two pairs respectively cuts; 20 form three pairs of sub-flat bars, and satisfy first with the 3rd pair of sub-flat bar length highly identical with himself (while is highly identical with 24a or 24b), second pair of sub-flat bar length is greater than first and the 3rd pair of sub-flat bar length sum; (2) be folding rib with the relative grooving in both sides place straight line, inwardly be folded to form cuboid B, and outside first and the 3rd pair of sub-flat bar be positioned at, second pair of sub-flat bar was positioned at the inboard, this outside and inboard sub-flat bar are separately fixed at together.
Embodiment seven: referring to Fig. 8, and a kind of syndeton of ultra-thin-wall steel, the end of two sections ultra-thin-wall section bar 25a and 25b is inserted the said connector B outside respectively, utilizes banding steel 27 bands that two sections ultra-thin-wall section bars are bound round simultaneously and rolls in the hoop groove 23 of connector.
The width of described banding steel band 27 is slightly less than the width of connector hoop groove 23.
Above connection procedure does; Earlier the end of first ultra-thin-wall section bar 25a is compressed to connector B and binds round groove 23 outsides with the banding instrument; To utilize the banding instrument end of second ultra-thin-wall section bar 25b to be compressed to the outside of first ultra-thin-wall section bar 25a again; Suit banding steel band 27 in the outside of the second ultra-thin-wall section bar 25b, utilize the banding instrument that the two ends of banding steel band 27 are stretched banding steel band hoop is rolled in connector hoop groove 23, utilize banding button 28 to be fixed to the two ends of banding steel band.
Claims (7)
1. ultra-thin-wall steel structure connecting member; It is characterized in that: this connector is the column connector; This column connector is hollow square or cuboid connector, and the forward and backward side plate of connector is two U-steels that interlock, and upper and lower side plate is two and interlocks but discontiguous U-steel; Wherein the wing plates on two sides of upper and lower U-steel all is fixed in the outside of forward and backward U-steel wing plate, and discontiguous part forms the hoop groove between this upper and lower U-steel wing plate.
2. ultra-thin-wall steel structure connecting member according to claim 1 is characterized in that: the web of forward and backward U-steel and upper and lower U-steel is provided with the lightening hole of coupling.
3. the syndeton of a ultra-thin-wall steel; It is characterized in that: this syndeton is a upright post connection structure; Comprise two sections hollow ultra-thin-wall steel posts; The end of two sections hollow ultra-thin-wall steel posts is inserted the said connector of claim 1 outside respectively, utilizes the banding steel band that two sections hollow ultra-thin-wall steel posts are bound round simultaneously and rolls in the hoop groove of connector.
4. the syndeton of a ultra-thin-wall steel; It is characterized in that: this syndeton is the syndeton of column and lintel; Comprise hollow ultra-thin-wall steel post and lintel; The outside that the end of hollow ultra-thin-wall steel post is inserted the column connector respectively utilizes the banding steel band that hollow ultra-thin-wall steel post hoop is rolled in the hoop groove of connector, and the end face of connector is fixed on the base plate of lintel; This column connector is hollow square or cuboid connector; The forward and backward side plate of connector is two U-steels that interlock; Upper and lower side plate is two and interlocks but discontiguous U-steel; Wherein the wing plates on two sides of upper and lower U-steel all is fixed in the outside of forward and backward U-steel wing plate, and discontiguous part forms the hoop groove between this upper and lower U-steel wing plate.
5. the syndeton of ultra-thin-wall steel according to claim 4 is characterized in that: be fixed with a U-steel connector on the last or lower side panel of said column connector, this U-steel connector and lintel base plate are fixed together.
6. ultra-thin-wall steel fastener; It is characterized in that: this connector is the shaped steel connector, is applied to the joint of ultra-thin-wall section bar, is hollow rectangular structure or cuboid groove structure; Said connector comprises an epipleural and former and later two side plates; Be U-steel, the web of epipleural is a square or rectangular, and the height of forward and backward side plate is identical with the both wings plate height of epipleural; Two wing plates of forward and backward side plate snapping respectively are fixed on the two wing plates outside of epipleural, the wing plate snapping of forward and backward biside plate and discontiguous part forms the hoop groove.
7. the syndeton of a ultra-thin-wall steel; Comprise two sections ultra-thin-wall section bars; It is characterized in that: the end of two sections ultra-thin-wall section bars is inserted the said connector of claim 6 outside respectively, utilizes the banding steel band that two sections ultra-thin-wall section bars are bound round simultaneously and rolls in the hoop groove of connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202721410U CN202248292U (en) | 2011-07-29 | 2011-07-29 | Ultrathin-wall steel structure connecting piece and connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202721410U CN202248292U (en) | 2011-07-29 | 2011-07-29 | Ultrathin-wall steel structure connecting piece and connecting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202248292U true CN202248292U (en) | 2012-05-30 |
Family
ID=46109554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202721410U Expired - Lifetime CN202248292U (en) | 2011-07-29 | 2011-07-29 | Ultrathin-wall steel structure connecting piece and connecting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202248292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359191A (en) * | 2011-07-29 | 2012-02-22 | 华北水利水电学院 | Ultrathin-wall steel structure connector and connecting structure |
-
2011
- 2011-07-29 CN CN2011202721410U patent/CN202248292U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359191A (en) * | 2011-07-29 | 2012-02-22 | 华北水利水电学院 | Ultrathin-wall steel structure connector and connecting structure |
| CN102359191B (en) * | 2011-07-29 | 2014-03-26 | 华北水利水电学院 | Ultrathin-wall steel structure connector and connecting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105369898B (en) | Thin-wall channel assembled house based on BIM | |
| CN102359191A (en) | Ultrathin-wall steel structure connector and connecting structure | |
| CN2926352Y (en) | Cased assembled house | |
| CN104963447B (en) | Thin-walled in-flanges C-type steel truss connector and composite roof truss | |
| CN102359190B (en) | Ultra-thin wall steel structural roof truss connecting member and connecting structure thereof | |
| CN103518024A (en) | Open web grid runner | |
| CN104963446B (en) | Thin-walled in-flanges C-type steel combines square steel | |
| CN1175153C (en) | Adjustable combined type hollow wallboard | |
| CN202577787U (en) | Color profiled steel plate with engagement structure | |
| CN202248292U (en) | Ultrathin-wall steel structure connecting piece and connecting structure thereof | |
| CN102352654B (en) | Multi-plug connecting piece and multi-column cross connecting structure for ultrathin wall steel structure roof truss | |
| CN202194248U (en) | Ultrathin-wall steel structure roof truss bottom corner connector and connection structure thereof | |
| CN202248293U (en) | Ultrathin-wall steel structure roof truss connecting piece and pillar connecting structure | |
| CN202090488U (en) | Structure of integrated suspended ceiling | |
| CN102535696B (en) | Improved large-size hidden-frame glass curtain wall system | |
| CN202248254U (en) | End part folding section steel of ultrathin wall section steel | |
| CN202544170U (en) | Hidden frame glass curtain wall assembly | |
| CN206205146U (en) | A kind of CU shaped steel and keel structure for building steel house keel structure | |
| CN102352656B (en) | Ultrathin wall steel structure roof truss base angle connecting piece and connecting structure thereof | |
| CN203531233U (en) | Web stiffening cold-formed thin-walled complex lipped channel column opening component | |
| CN201474121U (en) | Large-span movable partition wall used in industrial factory building | |
| CN205189127U (en) | Thin -wall channel combination house based on BIM | |
| CN205591426U (en) | Steel reinforced concrete vierendeel truss | |
| CN103526878A (en) | Web bracing cold-formed thin-wall complex crimping channel steel opening component | |
| CN203531234U (en) | Groove-shaped section beam with closed flange girths |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20140326 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20140326 |