DE2166992C3 - Stahlträger für eine Verbunddecke - Google Patents

Stahlträger für eine Verbunddecke

Info

Publication number
DE2166992C3
DE2166992C3 DE2166992A DE2166992A DE2166992C3 DE 2166992 C3 DE2166992 C3 DE 2166992C3 DE 2166992 A DE2166992 A DE 2166992A DE 2166992 A DE2166992 A DE 2166992A DE 2166992 C3 DE2166992 C3 DE 2166992C3
Authority
DE
Germany
Prior art keywords
chord
steel beam
steel
composite ceiling
beam according
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
Application number
DE2166992A
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English (en)
Other versions
DE2166992A1 (de
DE2166992B2 (de
Inventor
Ernest Otto Butts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of DE2166992A1 publication Critical patent/DE2166992A1/de
Publication of DE2166992B2 publication Critical patent/DE2166992B2/de
Application granted granted Critical
Publication of DE2166992C3 publication Critical patent/DE2166992C3/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/40—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings
    • E04G11/42—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings with beams of metal or prefabricated concrete which are not, or of which only the upper part is embedded
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/18—Devices for suspending or anchoring form elements to girders placed in ceilings, e.g. hangers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0421—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/043—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0439—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the cross-section comprising open parts and hollow parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/046—L- or T-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0473—U- or C-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0486—Truss like structures composed of separate truss elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0486—Truss like structures composed of separate truss elements
    • E04C2003/0491—Truss like structures composed of separate truss elements the truss elements being located in one single surface or in several parallel surfaces

Description

Die Erfindung betrifft einen Stahlträger für eine Verbunddecke, der einen in den Beton wenigstens teilweise eingebetteten Obergurt und einen mit diesem durch einen Steg verbundenen Untergurt aufweist.
Es ist bereits ein Stahlträger der vorstehend genannten Gattung bekannt (US-PS 30 93 932), der einen !-Querschnitt aufweist und dessen Obergurt vollständig und dessen vertikaler Steg zum Teil in den Beton eingegossen wird.
I; Außerdem ist es bei Stahlträgern dieser Art bekannt
(FR-PS 13 55 345), an den Obergurt nach oben stehende Ansätze oder Bolzen anzuschweißen, um die Aufnahme von Schubkräften oder Scherkräften durch den Obergurt zu verbessern.
Das Anschweißen solcher Ansätze oder Bolzen ist zeitaufwendig und verursacht zusätzliche Kosten.
Aufgabe der Erfindung ist es, einen Stahlträger der eingangs genannten Gattung zu schaffen, der in Verbindung mit einer besonders wirtschaftlichen Herstellung eine optimale Aufnahme von Schubkräften durch den Obergurt ohne zusätzliche Maßnahmen gewährleistet
Erfindungsgemäß ist zur Lösung dieser Aufgabe "orgesehen, daß der Obergurt einen Einbettungsteil mit einem Z-förmigen oder S-förmigen Querschnitt aufweist
Hierdurch wird erreicht, daß der Schubwiderstand zwischen dem Obergurt und der um diesen gegossenen Betondecke aufgrund der Z-Form bzw. S-Form wesentlich erhöht und vor allem zu einem beachtlichen Teil unabhängig von der Haftung zwischen Beton und Obergurt ist Entsprechende Versuche haben gezeigt, daß selbst bei eingeöltem Obergurt ein außerordentlich hoher Schubwiderstand auftritt
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen 2 bis 5 definiert
Die Erfindung wird im folgenden anhand der Zeichnung beispielsweise beschrieben. Es zeigt
F i g. 1 eine perspektivische Ansicht einer Verbunddecke von unten,
Fig.2 und 3 vertikale Schnitte durch weitere Ausführungsformen von Obergurten für Stahlträger,
F i g. 4 eine perspektivische Ansicht eines Kaltwalzblech-Stahlträgers und
F i g. 5 einen Vertikalschnitt durch eine Verbunddekke mit Kaltwalzblech-Stahlträgern.
In der F i g. 1 ist eine Verbunddecke 10 dargestellt weiche Stahlträger 11 und eine gegossene Betondecke 12 mit einem Bewehrungsgeflecht 13 aufweist. Nach der F i g. 1 umfaßt jeder der offenen Stahlträger einen Untergurt 14, einen Zick-Zack-Stangensteg 15 und einen Obergurt 16.
In F i g. 2 isi eine Ausiühruiig für einen im Querschnitt S-förmigen Obergurt dargestellt.
In Fig.3 ist eine weitere alternative Ausführungsform des Obergurtes dargestellt, die beispielsweise durch Zusammenschweißen von flachen Bändern zu der gewünschten endgültigen Konfiguration hergestellt sein kann.
In den F i g. 4 und 5 sind Kaltwalzenblech-Stahlträger 210 dargestellt Die Stahlträger 210 umfassen jeweils einen Untergurt 211 in einer rechtwinkligen Gestalt, einen vertikalen Steg 212 und einen Z-förmigen Obergurt 213.
Hierzu 2 Blatt Zeichnungen

Claims (5)

Patentansprüche:
1. Stahlträger für eine Verbunddecke, der einen in den Beton wenigstens teilweise eingebetteten Obergurt und einen mit diesem durch einen Steg verbundenen Untergurt aufweist, dadurch gekennzeichnet, daß der Obergurt (16; 213) einen Einbettungsteil mit einem Z-förmigen oder S-förmigen Querschnitt aufweist ι ο
2. Stahlträger nach Anspruch 1, dadurch gekennzeichnet, daß der Obergurt (16; 213) aus Stahlblech geformt ist
3. Stahlträger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Obergurt (16; 213) aus einem Stahlblechband gewalzt ist
4. Stahlträger nach Anspruch 3, dadurch gekennzeichnet daß der Obergurt (16; 213) durch Kaltwalzen hergestellt ist
5. Stahlträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Obergurt (213) zusammen mit dem Steg (212) und dem Untergurt (211) aus einem einzigen Stahlblechband gewalzt ist
25
DE2166992A 1970-05-28 1971-05-11 Stahlträger für eine Verbunddecke Expired DE2166992C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA84014 1970-05-28
CA107895 1971-03-16

Publications (3)

Publication Number Publication Date
DE2166992A1 DE2166992A1 (de) 1977-08-25
DE2166992B2 DE2166992B2 (de) 1979-01-04
DE2166992C3 true DE2166992C3 (de) 1979-08-30

Family

ID=25666417

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2123351A Expired DE2123351C3 (de) 1970-05-28 1971-05-11 Schalungseinrichtung für eine wiederverwendbare Schalung einer Verbunddecke
DE2166992A Expired DE2166992C3 (de) 1970-05-28 1971-05-11 Stahlträger für eine Verbunddecke

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2123351A Expired DE2123351C3 (de) 1970-05-28 1971-05-11 Schalungseinrichtung für eine wiederverwendbare Schalung einer Verbunddecke

Country Status (10)

Country Link
JP (4) JPS5240127B1 (de)
BE (1) BE767884A (de)
DE (2) DE2123351C3 (de)
ES (3) ES391700A1 (de)
FI (1) FI50443C (de)
FR (1) FR2090350B1 (de)
GB (2) GB1332371A (de)
IL (1) IL36780A (de)
NL (1) NL161536C (de)
NO (2) NO129696B (de)

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US3934994A (en) * 1974-05-30 1976-01-27 Ppg Industries, Inc. Control of thermal convection in a float glass forming chamber
CA1008691A (en) * 1974-06-11 1977-04-19 Felix F. Laurus Sheet metal joist
JPS52105831U (de) * 1976-02-04 1977-08-11
JPS55113878A (en) * 1979-02-22 1980-09-02 Daiei:Kk Cloisonne working method for table ware
DE3019744A1 (de) * 1980-05-23 1981-12-03 Ulrich Dipl.-Ing. 4992 Espelkamp Fiergolla Verbundtraeger in montagebauweise als biegesteife verbindung vorgefertigter deckenplatten
US4520609A (en) * 1982-09-27 1985-06-04 Donn Incorporated Grid tee for suspension ceilings or the like
US4584815A (en) * 1984-10-26 1986-04-29 Hambro Structural Systems Ltd. Flange hanger
GB8521243D0 (en) * 1985-08-24 1985-10-02 Hadley Sections Ltd Elongate sections
JPH0714342Y2 (ja) * 1990-03-27 1995-04-05 旭硝子株式会社 機能ガラス
SE507062C2 (sv) * 1995-10-09 1998-03-23 Erik Danielsson Rutarmerad betongplatta med plåtbalkar samt sätt att tillverka densamma
ITMI20040116A1 (it) * 2004-01-28 2004-04-28 Cassone Filippo Idone Sistemi a dispositivi modulari per casseforme
US8288746B2 (en) 2005-10-28 2012-10-16 Nippon Sheet Glass Company, Limited Laminated glass with shade band
CN102912978A (zh) * 2012-11-07 2013-02-06 中建三局第二建设工程有限责任公司 一种一次成型的楼板预留洞口临时防护装置及施工方法
CN106884529A (zh) * 2017-03-15 2017-06-23 中国水利水电第七工程局有限公司 一种高空大跨度钢连廊底板混凝土悬吊钢模板及施工方法
CN112227199B (zh) * 2020-09-22 2021-11-30 浙江大学 一种冷弯z形钢组成的韧性组合桥面板
CN112227201B (zh) * 2020-09-22 2022-04-29 浙江大学 一种带箱型肋的冷弯型钢韧性组合桥面板

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Publication number Priority date Publication date Assignee Title
FR1138229A (fr) * 1954-12-29 1957-06-11 Moderner Bau Bedarf G M B H Poutre légère pour planchers avec béton armé

Also Published As

Publication number Publication date
IL36780A0 (en) 1971-07-28
ES194092Y (es) 1975-04-01
IL36780A (en) 1974-09-10
DE2123351A1 (de) 1972-06-22
DE2166992A1 (de) 1977-08-25
FI50443C (fi) 1976-03-10
DE2123351C3 (de) 1978-05-03
JPS5240127B1 (de) 1977-10-11
BE767884A (fr) 1971-10-18
DE2166992B2 (de) 1979-01-04
DE2123351B2 (de) 1977-09-01
NL7107204A (de) 1971-11-30
JPS5428215B2 (de) 1979-09-14
NL161536C (nl) 1980-02-15
NO139279B (no) 1978-10-23
NO139279C (no) 1979-01-31
FR2090350A1 (de) 1972-01-14
GB1332371A (en) 1973-10-03
ES194091Y (es) 1975-04-01
GB1332372A (en) 1973-10-03
NL161536B (nl) 1979-09-17
JPS5320772B2 (de) 1978-06-28
JPS4831735A (de) 1973-04-26
ES391700A1 (es) 1974-06-01
NO129696B (de) 1974-05-13
JPS5514220B2 (de) 1980-04-15
JPS4831737A (de) 1973-04-26
JPS4831736A (de) 1973-04-26
ES194092U (es) 1974-12-16
FR2090350B1 (de) 1974-09-27
FI50443B (de) 1975-12-01
ES194091U (es) 1974-12-16

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