CN102322102A - Beam-passing fastener and lightweight steel construction for connecting upper layer and lower layer - Google Patents
Beam-passing fastener and lightweight steel construction for connecting upper layer and lower layer Download PDFInfo
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- CN102322102A CN102322102A CN201110201662A CN201110201662A CN102322102A CN 102322102 A CN102322102 A CN 102322102A CN 201110201662 A CN201110201662 A CN 201110201662A CN 201110201662 A CN201110201662 A CN 201110201662A CN 102322102 A CN102322102 A CN 102322102A
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Abstract
The invention relates to a beam-passing fastener and a lightweight steel construction for connecting an upper layer and a lower layer. The plate body of the beam-passing fastener is a straight flute with evaginable plates at the two sides, the web of the plate body is provided with a vertical web stamping rib which is not communicated with the upper edge and the lower edge of the web, the side plate of the plate body is provided with a vertical side plate stamping rib which is not communicated with the upper edge and the lower edge of the side plate, the evaginable plates of the plate body are provided with vertical evaginable plate stamping ribs which are not communicated with the upper edges and the lower edges of the evaginable plates, the web is composed of an upper web and a lower web, a square connector is arranged between the upper web and the lower web, the left side and the right side of the square connector are extended with connecting plates, the connecting plates and the side plate are arranged in the same plane, and the connecting plate is also provided with a horizontal connecting plate stamping rib. The beam-passing fastener provided by the invention can cause a floor beam of the lightweight steel construction to be connected with the upper layer and the lower layer more conveniently, firmly and safely, the problem that the floor beam can not be directly connected with wall load-bearing trusses of the upper layer and the lower layer at the same time is solved, and the lightweight steel construction enhances structural stability of a lightweight steel joist house system.
Description
Technical field
The present invention relates to a kind of connector and lightweight steel construction thereof, particularly a kind of connector and lightweight steel construction thereof that is used between lightgage steel joist system house wall levels stress frame and the floor beam.
Background technology
But the lightgage steel joist building systems has light weight, anti-seismic performance is good, thickness of wall body is little, thermal and insulating performance is good, construction pollution is little, speed of application is fast, need not to touch plate, pipe line arrangement is convenient, the remaining years discarded object is few, can promote energy-conserving and environment-protective batch production production and can promote the advantage of building industry development, has therefore at home and abroad obtained using widely in the building trade in recent years.
In present lightgage steel joist building systems; Body of wall truss principal and floor beam adopt two kinds of ways: 1, traditional C type light gauge cold-formed steel shape truss principal and floor beam promptly is to be body of wall truss principal and the floor beam that C type light gauge cold-formed steel shape is formed by connecting through self-tapping screw in the cross section; The shortcoming of this way is, because the width on the C type light gauge cold-formed steel shape cross section web and the edge of a wing is bigger, and easy generation cripling under the axial load effect and reduce element bearing capacity.2, closed side's square type light gauge cold-formed steel shape truss principal and floor beam promptly are to be body of wall truss principal and the floor beam that closed side's square type light gauge cold-formed steel shape is formed by connecting with self-tapping screw through the standard connector in the cross section; The advantage of this way is because square tube is the closed type steel pipe, so under the axial load effect, be difficult for taking place cripling, bearing capacity is high.
At present; Each layer body of wall truss principal at the lightgage steel joist building systems includes body of wall sheet post, be connected between the top of body of wall sheet post on tube connector and be connected the following tube connector between the bottom of body of wall sheet post; The last beam column of floor beam directly is shelved on the last tube connector of lower floor's body of wall truss principal, and the following tube connector of upper strata body of wall truss principal is pressed on the last beam column of floor beam.The shortcoming of this structure is that floor beam can't directly be connected with levels body of wall truss principal simultaneously, can only be that the last beam column of floor beam rides over arbitrarily on the last tube connector of lower floor's body of wall truss principal; Though this structure is easy for installation, and is insecure, the partial pressing of floor beam is difficult for satisfying force request simultaneously; Floor beam has that bearing capacity is weak, the shortcoming of steadiness difference, and floor beam directly rides over the words on the last tube connector of lower floor's body of wall truss principal; Because tube connector will directly bear floor beam and upper strata load; So cause floor beam, tube connector and floor plate that vibration and distortion take place easily, and destroy the flooring decorative layer thus, produce sense of insecurity.
Summary of the invention
The purpose of this invention is to provide a kind of connect levels wear beam fastener and lightweight steel construction thereof; Solve between floor beam and the levels body of wall truss principal and be connected problem insecure, that floor beam partial pressing is difficult for satisfying force request, also will solve the problem that floor beam, tube connector and floor plate tremble easily and be out of shape.
Be to realize above-mentioned purpose, the present invention adopts following technical scheme: a kind of connect levels wear the beam fastener, be the metal thin-wall plate stamping and forming; Its plate body is the straight trough shape that there is outer turnover panel on both sides; The web of plate body is provided with the vertical web punching press beading of lower limb on the obstructed web, and the side plate of plate body is provided with the vertical side plate punching press beading of lower limb on the obstructed side plate, and the outer turnover panel of plate body is provided with the obstructed outer turnover panel vertical outer turnover panel punching press beading at edge up and down; Also be distributed with screw on the plate body; It is characterized in that: said web is made up of epiplastron and bottom web, and a square connector is arranged between epiplastron and the bottom web, and extend on the limit, the left and right sides of square connector has junction plate; And this junction plate and side plate are in the same plane; Also be provided with the junction plate punching press beading of level on this junction plate, the outward flange of the obstructed junction plate of an end of junction plate punching press beading, the other end of junction plate stamped groove and side plate punching press beading intersect vertically.
Can be provided with reinforcement beading spaced apart on the folding line between the outer turnover panel of the side plate of plate body and plate body.
Said screw can be symmetrically distributed in the both sides of web punching press beading, side plate punching press beading, outer turnover panel punching press beading and junction plate punching press beading.
The cross section of said web stamped groove, side plate stamped groove, outer turnover panel stamped groove and junction plate stamped groove all can be arc.
The width of said web stamped groove, side plate stamped groove, outer turnover panel stamped groove and junction plate stamped groove can be 5mm～10mm, and the degree of depth can be 1mm～5mm.
The end of the end of the end of the end of said web stamped groove, side plate stamped groove, outer turnover panel stamped groove and junction plate stamped groove all can be at a distance of 5mm～20mm with the edge of plate body.
A kind of application connects the lightweight steel construction that the beam fastener connects of wearing of levels; Comprise under upper strata body of wall sheet post, lower floor's body of wall sheet post, the upper strata body of wall sheet post tube connector, floor beam and levels connector on tube connector, the lower floor's body of wall sheet post; Wherein upper strata body of wall sheet post and lower floor's body of wall sheet post include two montants and are connected two montant connectors between the montant; Floor beam comprise beam column, down beam column and be connected beam column and following beam column between web member; It is characterized in that: said levels connector be connect levels wear the beam fastener; The montant of said upper strata body of wall sheet post is fixedly connected with side plate with the epiplastron of wearing in the beam fastener that is connected levels through screw; The montant of said lower floor body of wall sheet post is fixedly connected with side plate with the bottom web of wearing in the beam fastener that is connected levels through screw; Tube connector is fixedly connected with the top of wearing the outer turnover panel in the beam fastener that is connected levels through screw under the body of wall sheet post of said upper strata; Tube connector is fixedly connected with the bottom of wearing the outer turnover panel in the beam fastener that is connected levels through screw on the said lower floor body of wall sheet post; Said end of going up beam column is inserted in the square connector of wearing the beam fastener that connects levels, and under the montant of the montant that is clipped in upper strata body of wall sheet post and lower floor's body of wall sheet post and the upper strata body of wall sheet post on tube connector and the lower floor's body of wall sheet post between the tube connector, and the end of going up beam column simultaneously is also through screw and be connected junction plate, the side plate fixed connection in the beam fastener of wearing of levels.
Tube connector on tube connector, the lower floor's body of wall sheet post under said montant, the upper strata body of wall sheet post, go up beam column and following beam column the cross section all but the square and rectangular pipe of thin-walled.
The upper end of wearing the beam fastener of said connection levels can be higher than the upper surface 20mm～100mm of the floor plate that is installed on the floor beam.
Compared with prior art the present invention has following characteristics and beneficial effect: the invention goes out special connector and the method for attachment that a kind of brand-new floor beam is connected with the lightweight steel construction levels; Make the floor beam of lightweight steel construction be connected convenient, firm, safety with levels; Solve the problem that floor beam can't be directly be connected with levels body of wall truss principal simultaneously, also solved the shortcoming that floor beam partial pressing is difficult for satisfying force request.Said floor beam can form directly and be connected (be that the last beam column of floor beam passes wearing the beam fastener, floor beam and levels body of wall truss principal being linked together with the self-tapping screw close and firm of connection levels, make floor beam form continuous the connection with levels body of wall truss principal) through the beam fastener of wearing that connects levels with levels bearing wall truss.
Said connection levels wear the structural stability that the beam fastener has strengthened the lightgage steel joist building systems; It not only can make floor beam and levels body of wall truss principal be fastenedly connected; Make the partial pressing of floor beam satisfy force request fully; And can make floor beam, tube connector and floor plate no longer take place to tremble easily, and the flooring decorative layer also can not destroyed easily again, the people who stays in simultaneously in the lightgage steel joist building systems can not produce sense of insecurity more yet.
The beam fastener of wearing of said connection levels is connected the last beam column of floor beam on the levels body of wall truss principal through the self-tapping screw close and firm; Increased the last beam column of floor beam and the shearing lifting surface area of lower floor body of wall truss principal junction, overcome traditional lightgage steel joist system floor beam and can not aim at lower floor's body of wall truss principal and the local easily shortcoming of being out of shape of floor beam by lateral deflection.Simultaneously, used connect levels wear the beam fastener after, floor beam no longer is to be placed on arbitrarily on the tube connector that connects the body of wall truss, so also directly bear the upper strata load and cause the big shortcoming of floor plate degree of disturbing with regard to no longer having floor beam.
In addition; Traditional structure is after installing floor plate on the floor beam; The position, hole, connection upper strata of levels connector can be blocked, and this just causes the levels connector can't connect upper strata body of wall truss principal, thereby has reduced bonding strength, stability and the safety of construction problem of levels.And the length of wearing the beam fastener of connection levels of the present invention is longer than traditional levels connector; So the upper end of levels connector exceeds floor plate 20mm～100mm; Therefore after on the floor beam floor plate being installed; Connect wearing the beam fastener and can also being connected with upper strata body of wall truss principal easily of levels, overcome that bonding strength between the levels body of wall truss principal is poor, the shortcoming of poor stability and working security difference.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
Fig. 1 sees the schematic perspective view of wearing the beam fastener that connects levels from the front.
Fig. 2 sees the schematic perspective view of wearing the beam fastener that connects levels from the back side.
Fig. 3 is the sketch map that includes the lightgage steel joist building systems of having used the lightweight steel construction of wearing the beam fastener that connects levels.
Fig. 4 is the enlarged diagram at I place among Fig. 3.
Reference numeral: 1-web; 1.1-epiplastron; 1.2-bottom web; The 2-side plate; The outer turnover panel of 3-; 4-web punching press beading; 5-side plate punching press beading; The outer turnover panel punching press beading of 6-; The 7-screw; The square connector of 8-; The 9-junction plate; 10-junction plate punching press beading; 11-upper strata body of wall sheet post; 12-lower floor body of wall sheet post; Tube connector under the body of wall sheet post of 13-upper strata; Tube connector on the 14-lower floor body of wall sheet post; The 15-floor beam; 15.1-last beam column; 15.2-following beam column; 15.3-web member; 16-strengthens beading; The 17-floor plate.
The specific embodiment
Embodiment is referring to Fig. 1, shown in Figure 2; This connection levels wear the beam fastener; Be metal thin-wall plate stamping and forming (being stamped to form through four bendings by the metal foil wallboard) that its plate body is the straight trough shape that there is outer turnover panel 3 on both sides, the web 1 of plate body is provided with the vertical web punching press beading 4 of lower limb on the obstructed web; The side plate 2 of plate body is provided with the vertical side plate punching press beading 5 of lower limb on the obstructed side plate; The outer turnover panel 3 of plate body is provided with the obstructed outer turnover panel vertical outer turnover panel punching press beading 6 at edge up and down, also is distributed with screw 7 on the plate body, and the folding line between the side plate 2 of plate body and the outer turnover panel 3 of plate body is provided with reinforcement beading 16 spaced apart.
Said web 1 is made up of epiplastron 1.1 and bottom web 1.2; A square connector 8 is arranged between epiplastron 1.1 and the bottom web 1.2; Extend on the limit, the left and right sides of square connector 8 has junction plate 9, and this junction plate 9 is in the same plane with side plate 2, also is provided with the junction plate punching press beading 10 of level on this junction plate 9; The outward flange of the obstructed junction plate 9 of one end of junction plate punching press beading 10, the other end of junction plate punching press beading 10 and side plate punching press beading 5 intersect vertically.
Said junction plate punching press beading 10 and side plate stamped groove 5 have been formed the punching press beading of T font; Strengthened the rigidity of wearing the beam fastener that connects levels; Connect wearing on the upper chord 15.1 that the beam fastener can directly pierce into floor beam 15 of levels; And with upper strata body of wall sheet post 11, lower floor's body of wall sheet post 12, upper strata body of wall sheet post under on tube connector 13 and the lower floor body of wall sheet post tube connector 14 form close and firm through the screw tap screw and be connected; Create special connector and method of attachment that a kind of brand-new floor beam is connected with the lightweight steel construction levels, make the floor beam of lightweight steel construction be connected convenient, firm, safety with levels.
The distribution of said screw 7 can be calculated through finite element analysis, and in the present embodiment, screw 7 is symmetrically distributed in the both sides of web punching press beading 4, side plate punching press beading 5, outer turnover panel punching press beading 6 and junction plate punching press beading 10.The cross section of web punching press beading 4, side plate punching press beading 5, outer turnover panel punching press beading 6 and junction plate punching press beading 10 is arc.The width of web punching press beading 4, side plate punching press beading 5, outer turnover panel stamped groove 6 and junction plate punching press beading 10 is 5mm～10mm, and the degree of depth is 2mm～5mm.The end of the end of the end of the end of web punching press beading 4, side plate punching press beading 5, outer turnover panel punching press beading 6 and junction plate punching press beading 10 all with the edge of plate body at a distance of 5mm～20mm.
Referring to Fig. 1-4; This lightweight steel construction that the beam fastener connects of wearing that connects levels of having used; Comprise under upper strata body of wall sheet post 11, lower floor's body of wall sheet post 12, the upper strata body of wall sheet post tube connector 14, floor beam 15 and levels connector on tube connector 13, the lower floor's body of wall sheet post; Wherein upper strata body of wall sheet post 11 and lower floor's body of wall sheet post 12 include two montants and are connected two montant connectors between the montant, floor beam 15 comprise beam column 15.1, down beam column 15.2 and be connected beam column and following beam column between web member 15.3.Said levels connector be connect levels wear the beam fastener; The montant of said upper strata body of wall sheet post 11 is fixedly connected with side plate 2 with the epiplastron of wearing in the beam fastener 1.1 that is connected levels through screw; The montant of said lower floor body of wall sheet post 12 is fixedly connected with side plate 2 with the bottom web of wearing in the beam fastener 1.2 that is connected levels through screw; Tube connector 13 is fixedly connected with the top of wearing the outer turnover panel 3 in the beam fastener that is connected levels through screw under the body of wall sheet post of said upper strata; Tube connector 14 is fixedly connected with the bottom of wearing the outer turnover panel 3 in the beam fastener that is connected levels through screw on the said lower floor body of wall sheet post; Said end of going up beam column 15.1 is inserted in the square connector 8 of wearing the beam fastener that connects levels; And be clipped under montant and the upper strata body of wall sheet post of montant and lower floor's body of wall sheet post 12 of upper strata body of wall sheet post 11 on the tube connector 13 and lower floor's body of wall sheet post between the tube connector 14, the end of going up beam column 15.1 simultaneously also is fixedly connected through screw and junction plate 9, the side plate 2 worn in the beam fastener that are connected levels.Tube connector 14 on tube connector 13, the lower floor's body of wall sheet post under said montant, the upper strata body of wall sheet post, the cross section of going up beam column 15.1 and following beam column 15.2 all are square and rectangular pipes of thin-walled.The upper end of wearing the beam fastener of said connection levels is higher than the upper surface 20mm～100mm of the floor plate 17 that is installed on the floor beam 15.Under said metal foil wallboard, upper strata body of wall sheet post 11, lower floor's body of wall sheet post 12, the upper strata body of wall sheet post on tube connector 13, the lower floor's body of wall sheet post material of tube connector 14 and floor beam 15 generally all adopt the structural level steel, like the cold bending thin wall hot-dip galvanizing sheet steel.
Claims (9)
- One kind connect levels wear the beam fastener; Be the metal thin-wall plate stamping and forming; Its plate body is the straight trough shape that there is outer turnover panel (3) on both sides; The web of plate body (1) is provided with the vertical web punching press beading (4) of lower limb on the obstructed web, and the side plate of plate body (2) is provided with the vertical side plate punching press beading (5) of lower limb on the obstructed side plate, and the outer turnover panel (3) of plate body is provided with the obstructed outer turnover panel vertical outer turnover panel punching press beading (6) at edge up and down; Also be distributed with screw (7) on the plate body; It is characterized in that: said web (1) is made up of epiplastron (1.1) and bottom web (1.2), between epiplastron (1.1) and the bottom web (1.2) a square connector (8) is arranged, and extend on the limit, the left and right sides of square connector (8) has junction plate (9); And this junction plate (9) is in the same plane with side plate (2); Also be provided with the junction plate punching press beading (10) of level on this junction plate (9), the outward flange of the obstructed junction plate of an end (9) of junction plate punching press beading (10), the other end of junction plate punching press (10) and side plate punching press beading (5) intersect vertically.
- 2. connection levels according to claim 1 wear the beam fastener, it is characterized in that: the folding line between the outer turnover panel (3) of side plate of plate body (2) and plate body is provided with spaced apart adding and suppresses beading (16).
- 3. connection levels according to claim 1 wear the beam fastener, it is characterized in that: said screw (7) is symmetrically distributed in the both sides of web punching press beading (4), side plate punching press beading (5), outer turnover panel punching press beading (6) and junction plate punching press beading (10).
- 4. connection levels according to claim 1 wear the beam fastener, it is characterized in that: the cross section of said web stamped groove (4), side plate punching press beading (5), outer turnover panel punching press beading (6) and junction plate punching press beading (10) is arc.
- 5. connection levels according to claim 1 wear the beam fastener; It is characterized in that: the width of said web punching press beading (4), side plate punching press beading (5), outer turnover panel punching press beading (6) and junction plate punching press beading (10) is 5mm～10mm, and the degree of depth is 2mm～5mm.
- 6. connection levels according to claim 1 wear the beam fastener, it is characterized in that: the end of the end of the end of said web punching press beading (4), side plate punching press beading (5), the end of outer turnover panel punching press beading (6) and junction plate punching press beading (10) all with the edge of plate body at a distance of 5mm～20mm.
- 7. an application rights requires the lightweight steel construction that the beam fastener connects of wearing of any described connection levels among the 1-6; Comprise under upper strata body of wall sheet post (11), lower floor's body of wall sheet post (12), the upper strata body of wall sheet post tube connector (14), floor beam (15) and levels connector on tube connector (13), the lower floor's body of wall sheet post; Wherein upper strata body of wall sheet post (11) and lower floor's body of wall sheet post (12) include two montants and are connected two montant connectors between the montant; Floor beam (15) comprise beam column (15.1), down beam column (15.2) and be connected beam column and following beam column between web member (15.3); It is characterized in that: said levels connector be connect levels wear the beam fastener; The montant of said upper strata body of wall sheet post (11) is fixedly connected with side plate (2) with the epiplastron of wearing in the beam fastener (1.1) that is connected levels through screw; The montant of said lower floor's body of wall sheet post (12) is fixedly connected with side plate (2) with the bottom web of wearing in the beam fastener (1.2) that is connected levels through screw; Tube connector (13) is fixedly connected with the top of wearing the outer turnover panel (3) in the beam fastener that is connected levels through screw under the body of wall sheet post of said upper strata; Tube connector (14) is fixedly connected with the bottom of wearing the outer turnover panel (3) in the beam fastener that is connected levels through screw on the said lower floor body of wall sheet post; Said end of going up beam column (15.1) is inserted in the square connector (8) of wearing the beam fastener that connects levels; And be clipped under montant and the upper strata body of wall sheet post of montant and lower floor's body of wall sheet post (12) of upper strata body of wall sheet post (11) on the tube connector (13) and lower floor's body of wall sheet post between the tube connector (14), the end of going up beam column (15.1) simultaneously also is fixedly connected through screw and junction plate (9), the side plate (2) worn in the beam fastener that are connected levels.
- 8. application according to claim 7 connects the lightweight steel construction that the beam fastener connects of wearing of levels, it is characterized in that: tube connector (14) on tube connector (13), the lower floor's body of wall sheet post under said montant, the upper strata body of wall sheet post, the cross section of going up beam column (15.1) and following beam column (15.2) all are square and rectangular pipes of thin-walled.
- 9. application according to claim 7 connects the lightweight steel construction that the beam fastener connects of wearing of levels, and it is characterized in that: the upper end of wearing the beam fastener of said connection levels is higher than the upper surface 20mm～100mm of the floor plate (17) that is installed on the floor beam (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110201662 CN102322102B (en) | 2011-07-19 | 2011-07-19 | Beam-passing fastener and lightweight steel construction for connecting upper layer and lower layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110201662 CN102322102B (en) | 2011-07-19 | 2011-07-19 | Beam-passing fastener and lightweight steel construction for connecting upper layer and lower layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322102A true CN102322102A (en) | 2012-01-18 |
| CN102322102B CN102322102B (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110201662 Expired - Fee Related CN102322102B (en) | 2011-07-19 | 2011-07-19 | Beam-passing fastener and lightweight steel construction for connecting upper layer and lower layer |
Country Status (1)
| Country | Link |
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| CN (1) | CN102322102B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612295A (en) * | 2014-12-25 | 2015-05-13 | 成都江河幕墙系统工程有限公司 | Structural steel keel corner connecting stamping part and corner connecting structure |
| CN112761262A (en) * | 2019-11-01 | 2021-05-07 | 北新房屋有限公司 | Connecting structure of fixed beam and keel wall |
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| TW482845B (en) * | 2000-07-13 | 2002-04-11 | Chi Shiu | Truss type reinforced concrete structure |
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| US20090044480A1 (en) * | 2007-02-16 | 2009-02-19 | Intersteel Structures, Inc. | Insulated Modular Building Frame |
| CN101532310A (en) * | 2009-04-17 | 2009-09-16 | 筑巢（北京）科技有限公司 | An upper and lower layer stamping connector and its light steel structure |
| CN201391018Y (en) * | 2009-04-17 | 2010-01-27 | 筑巢（北京）科技有限公司 | Upper-lower layer punching connecting piece and lightweight steel structure thereof |
| CN202152490U (en) * | 2011-07-19 | 2012-02-29 | 筑巢（北京）科技有限公司 | Beam penetrating fastener connecting upper layer and lower layer and light steel structure of beam penetrating fastener |
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2011
- 2011-07-19 CN CN 201110201662 patent/CN102322102B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW482845B (en) * | 2000-07-13 | 2002-04-11 | Chi Shiu | Truss type reinforced concrete structure |
| JP2004270403A (en) * | 2003-03-12 | 2004-09-30 | Miyaji Construction & Engineering Co Ltd | Lightweight box truss system |
| US20090044480A1 (en) * | 2007-02-16 | 2009-02-19 | Intersteel Structures, Inc. | Insulated Modular Building Frame |
| CN101532310A (en) * | 2009-04-17 | 2009-09-16 | 筑巢（北京）科技有限公司 | An upper and lower layer stamping connector and its light steel structure |
| CN201391018Y (en) * | 2009-04-17 | 2010-01-27 | 筑巢（北京）科技有限公司 | Upper-lower layer punching connecting piece and lightweight steel structure thereof |
| CN202152490U (en) * | 2011-07-19 | 2012-02-29 | 筑巢（北京）科技有限公司 | Beam penetrating fastener connecting upper layer and lower layer and light steel structure of beam penetrating fastener |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104612295A (en) * | 2014-12-25 | 2015-05-13 | 成都江河幕墙系统工程有限公司 | Structural steel keel corner connecting stamping part and corner connecting structure |
| CN112761262A (en) * | 2019-11-01 | 2021-05-07 | 北新房屋有限公司 | Connecting structure of fixed beam and keel wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102322102B (en) | 2013-07-31 |
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