EP1070800B2 - Slab made of reinforced elementslab - Google Patents
Slab made of reinforced elementslab Download PDFInfo
- Publication number
- EP1070800B2 EP1070800B2 EP00114308A EP00114308A EP1070800B2 EP 1070800 B2 EP1070800 B2 EP 1070800B2 EP 00114308 A EP00114308 A EP 00114308A EP 00114308 A EP00114308 A EP 00114308A EP 1070800 B2 EP1070800 B2 EP 1070800B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- boom
- flat slab
- bends
- slab floor
- floor 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 - Lifetime
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Classifications
-
- 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
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs
Definitions
- the invention relates to a flat ceiling according to the preamble of claim 1.
- a shear reinforcement element provided as punctiform reinforcement for punctured reinforcement which has the shape of a lattice girder bent spirally in several turns and comprising a top chord, a bottom chord and a diagonal strut coil connecting the straps.
- the windings are non-positively connected to each other at least on a surface defined by the straps by radially divergently arranged rods and fixed relative to each other.
- the bends of the diagonal strut snake can survive over the associated belt and be connected to it in two welding nodes. The allocation of adjacent reinforcement layers is not discussed in detail.
- EP 0 414 485 A EP 0 465 776 A .
- EP 0 465 776 A WO89 / 00226A .
- WO93 / 15287A DE 24 58 081 A and DE 12 69 324 B ,
- the invention has for its object to provide a punching reinforcement of the latter type, while maintaining the advantage of ease of installation provides a sufficient load increase against puncture failure.
- the vertical static effective height of the lattice girder is increased by the protruding bends by an amount corresponding to the height of the reinforcement layer present in that area.
- the aim is a projection of the bend according to the height of the reinforcement layer.
- each projecting bend from two sheets and an approximately straight section therebetween. Then the welding areas with the straps are conveniently spaced far in the belt direction, and provide the Bends large surfaces to interlock with the concrete.
- the vertical static effective height is increased to about 110 to 140% of the given high distance between the upper and lower chords by the protruding bends, which may be provided in the lattice girder above and / or below.
- a punching reinforcement F is provided in the area which is to be pierced.
- the flat ceiling D may be a so-called element ceiling (as shown) or an in-situ concrete floor (not shown).
- a punching reinforcement F is required not only for point support from below, but possibly also below an upright column or in the connection area of a vertical lower / upper wall or in a corner area.
- the construction plans 3 are ( Fig. 2 ) filled with in-situ concrete 7.
- a reinforcement layer B is provided as a precast concrete layer 6.
- On the concrete layers 6 at least one lower reinforcement layer B U is placed, which is formed for example of transverse and longitudinal bars 1, 2.
- a plurality of lattice girders T are placed at intermediate intervals around the column S. As shown, the lattice girders T may extend parallel to the axis or approximately radially (star-shaped) to the support point (not shown).
- each lattice girder In the region of the column S, the lattice girders T can be recessed, if there the connection of the column S engages from below in the flat ceiling D (not shown).
- Each lattice girder consists, for example, of two lower chords U 1 , U 2 , one upper chord O and two diagonal strut snares A, which are welded to the straps and have upper and lower bends C O and C U.
- an upper reinforcement layer B O launched bending reinforcement
- the upper reinforcement layer B O can be fixed in the usual way to the trusses.
- the upper bends C O of the diagonal struts A over the top flange O are over, with a height h1 corresponding to the height of the upper reinforcement layer B O.
- the cross bars 5 are placed on the upper chords O and optionally fixed with binding wire 18 or tack welds (not shown), while the longitudinal bars 4 are arranged on the transverse bars 5.
- the upper contours of the protruding bends C O close, for example, approximately with the plane of the longitudinal bars 4 of the upper reinforcement layer B O from. The supernatant could also be higher than shown.
- the static effective height H of the lattice girders is at a distance X of about 180 mm between the straps in about 200 to 220 mm.
- the height of the lower reinforcement B U is indicated by h2 and may correspond to the height h1.
- the lower chords U 1 , U 2 can rest on the transverse bars of the lower reinforcement B U.
- Each lower bend C U is welded to a lower flange U 1 , U 2 in at least one region 17, while each upper, over the upper flange O protruding bend C O is welded in two spaced apart in the Gurtraum areas 16 with the top flange O.
- the upper bends C O are welded without any significant overhang on the top flange O in a respective region 17, while the bottom bends C U project down over the bottom straps U 1 and U 2 around the height h 2 and are welded in two regions 16 therewith. It corresponds to the projection of the lower bends C U in about the height h2 of the lower reinforcement layer B U.
- the static support height H of the lattice girder T is increased down here.
- Fig. 5 can be at a given high distance between the straps achieve an even greater static support height H by both the upper and the lower bends C O , C U of the diagonal struts A over the respective belt and penetrate into the reinforcement layer B O and B U.
- Each bend C O and C U is welded in two areas 16 with the associated belt O, U1, U2.
- Each bend C O , C U can either be formed with an approximately uniform bend profile 12, or (as in FIG Fig. 5 alternatively shown) with two straps 13, 14 spaced apart in the belt direction and an intermediate, substantially straight region. In the latter case, the distance seen in the belt direction between the welding regions 16 can be increased and also the surface of the bend which can be used for anchoring to the concrete below (or above) the associated belt can be enlarged. It would be conceivable to let only the bends of a diagonal strut A survive.
- the projection of the bending of the diagonal brace snake guided to increase the static support height H beyond the associated belt should expediently correspond to the height of this reinforcement layer optimal support height H to achieve. This could also be the case if spacer elements should be set between the longitudinal and transverse bars of the reinforcement layer.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reinforcement Elements For Buildings (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Structure Of Belt Conveyors (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
Description
Die Erfindung betrifft eine Flachdecke gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a flat ceiling according to the preamble of claim 1.
Gemäß Sonderdruck "
In einer aus
Aus
Weiterer Stand der Technik ist enthalten in
Der Erfindung liegt die Aufgabe zugrunde, eine Durchstanzbewehrung der letztgenannten Art zu schaffen, die unter Beibehalt des Vorteils des einfachen Einbaus eine ausreichende Lasterhöhung gegen Durchstanzversagen erbringt.The invention has for its object to provide a punching reinforcement of the latter type, while maintaining the advantage of ease of installation provides a sufficient load increase against puncture failure.
Die gestellte Aufgabe wird mit den Merkmalen des Anspruchs 1 gelöst.The stated object is achieved with the features of claim 1.
Die über den zugehörigen Gurt überstehenden Biegungen der Diagonalstrebenschlangen gewährleisten eine größtmögliche statische Nutzhöhe des Gitterträgers und einen unproblematischen Einbau der in diesem Bereich erforderlichen Bewehrungslagen, insbesondere der Plattenlängsbewehrung. Mit dem Überstand der Biegungen über den zugehörigen Gurt wird sozusagen weitgehend der für die dort einzubauende Bewehrungslage erforderliche Höhenraum genutzt, um die statische Nutzhöhe des Gitterträgers zu vergrößern und den Einbau der Bewehrungslage zu vereinfachen. Das Tragverhalten der Durchstanzbewehrung hängt weitgehend von der Steifigkeit der Verankerungselemente ab. Ein möglichst geringer Verankerungsschlupf ist erstrebenswert. Diese Forderung wird hier kombinatorisch durch zwei Maßnahmen erfüllt. Da pro Biegung zwei Schweißbereiche als Verankerungen im Beton wirken, ergeben sich pro zu verankerndem Stab ein Schweißbereich und eine vergrößerte wirksame Länge des zu verankernden Stabs, z.B. des Gurtes. Weiterhin ist die Verankerung des Stabes mit angeschweißtem Querstab und dahinterliegender Biegung besser als bei direkt am Stab liegender Biegung. Die optimierte statische Nutzhöhe des Gitterträgers erbringt eine nennenswerte Lasterhöhung gegen Durchstanzversagen. Dabei sind in der Bewehrungslage quer zum Gurt verlaufende Querstäbe direkt an den Gurt angelegt, und gegebenenfalls daran gesichert, oder indirekt, z.B., über Distanzelemente, an den Gurt angelegt und gesichert. Der Überstand der Biegungen über den Gurt sollte relativ exakt der Höhe der Bewehrungslage entsprechen Günstige statische Verhältnisse mit den in die Durchstanzbewehrung eingegliederten Gitterträgern ergeben sich, wenn die Biegungen beider Diagonalstrebenschlangen über den gemeinsamen Obergurt überstehen, um in der Flachdecke, die beispielsweise von unten punktgestützt ist, eine optimale statische Nutzhöhe innerhalb des für eine Bewehrung nutzbaren Bereiches der Deckendicke, beispielsweise in der Biegebewehrung, zu erzielen.The over the associated belt protruding bends of Diagonalstrebenschlangen ensure the greatest possible static effective height of the lattice girder and unproblematic installation of required in this area reinforcement layers, in particular the longitudinal plate reinforcement. With the supernatant of the bends over the associated belt, so to speak, the height required for the reinforcement layer to be installed there is largely used to increase the static effective height of the lattice girder and to simplify the installation of the reinforcement layer. The carrying behavior of the punching shear depends largely on the rigidity of the anchoring elements. The lowest possible anchoring slip is desirable. This requirement is combinatorially met by two measures. Since two weld areas act as anchors in the concrete per bend, a weld area and an increased effective length of the rod to be anchored, e.g. of the belt. Furthermore, the anchoring of the rod with welded crossbar and underlying bending better than lying directly on the rod bend. The optimized static effective height of the lattice girder provides a significant increase in load against puncture failure. In this case transverse bars running transversely to the belt are applied directly to the belt in the reinforcement layer, and possibly secured thereto, or indirectly and, for example, via spacer elements, attached to the belt and secured. The projection of the bends over the belt should correspond relatively exactly to the height of the reinforcement layer. Favorable static conditions with the lattice girders incorporated into the punching reinforcement arise when the bends of both diagonal strut coils project beyond the common upper girth to the flat slab which is point-supported, for example, from below to achieve an optimum static effective height within the area of the ceiling thickness usable for a reinforcement, for example in the bending reinforcement.
In Gurtrichtung verlaufende Stäbe der Bewehrungslage sollten neben dem Gurt auf Querstäben angeordnet sein.In the belt direction extending bars of the reinforcement layer should be arranged next to the belt on crossbars.
Sind bei der überstehenden Biegung zwei in Gurtrichtung beabstandete Schweißbereiche vorgesehen, dann werden die Stabilität des Gitterträgers erhöht und seine Verankerung im Beton verbessert.Are provided in the protruding bend two spaced in the belt direction welding areas, then the stability of the lattice girder are increased and its anchoring in the concrete improved.
Im Kern wird die vertikale statische Nutzhöhe des Gitterträgers durch die überstehenden Biegungen erhöht, und zwar um ein Ausmaß entsprechend der Höhe der in diesem Bereich vorliegenden Bewehrungslage. Angestrebt wird ein Überstand der Biegung entsprechend der Höhe der Bewehrungslage.In essence, the vertical static effective height of the lattice girder is increased by the protruding bends by an amount corresponding to the height of the reinforcement layer present in that area. The aim is a projection of the bend according to the height of the reinforcement layer.
Herstellungstechnisch ist es günstig, die überstehenden Biegungen jeweils mit einem im wesentlichen kontinuierlichen Biegungsverlauf auszubilden.Manufacturing technology, it is advantageous to form the protruding bends each with a substantially continuous bending curve.
Alternativ kann es zweckmäßig sein, jede überstehende Biegung aus zwei Bögen und einem dazwischenliegenden in etwa geraden Abschnitt herzustellen. Dann sind die Schweißbereiche mit den Gurten günstig weit in Gurtrichtung beabstandet, und bieten die Biegungen große Flächen zur Verzahnung mit dem Beton.Alternatively, it may be expedient to make each projecting bend from two sheets and an approximately straight section therebetween. Then the welding areas with the straps are conveniently spaced far in the belt direction, and provide the Bends large surfaces to interlock with the concrete.
Günstig wird durch die überstehenden Biegungen, die im Gitterträger oben und/oder unten vorgesehen sein können, die vertikale statische Nutzhöhe bis auf ca. 110 bis 140 % des gegebenen Hochabstandes zwischen den Ober- und Untergurten erhöht.Conveniently, the vertical static effective height is increased to about 110 to 140% of the given high distance between the upper and lower chords by the protruding bends, which may be provided in the lattice girder above and / or below.
Anhand der Zeichnung werden Ausführungsformen des Erfindungsgegenstandes erläutert. Es zeigen:
- Fig. 1
- eine schematische Draufsicht auf einen Teil einer Flachdecke, in der bei einer Punktabstützung eine Durchstanzbewehrung vorbereitet ist,
- Fig. 2
- einen Schnitt in der Ebene II-II in
Fig. 1 , - Fig. 3
- eine erste Ausführungsform einer Durchstanzbewehrung in einer Seitenansicht und einem Querschnitt,
- Fig. 4
- eine zweite Ausführungsform einer Durchstanzbewehrung in einer Seitenansicht und einem Querschnitt, und
- Fig. 5
- eine weitere Ausführungsform einer Durchstanzbewehrung in einer Seitenansicht und einem Querschnitt.
- Fig. 1
- a schematic plan view of a portion of a flat ceiling in which a punctiform support a punching shear is prepared,
- Fig. 2
- a section in the plane II-II in
Fig. 1 . - Fig. 3
- a first embodiment of a punching reinforcement in a side view and a cross section,
- Fig. 4
- a second embodiment of a punching reinforcement in a side view and a cross section, and
- Fig. 5
- a further embodiment of a punching reinforcement in a side view and a cross section.
In einer beispielsweise durch eine Säule S punktgestützten Flachdecke D, ist im durchstanzgefährdeten Bereich eine Durchstanzbewehrung F vorgesehen. Bei der Flachdecke D kann es sich um eine sogenannte Elementdecke (wie gezeigt) oder um eine Ortbetondecke (nicht gezeigt) handeln. Eine Durchstanzbewehrung F ist nicht nur bei Punktabstützung von unten erforderlich, sondern gegebenenfalls auch unter einer aufstehenden Säule oder im Anschlussbereich einer vertikalen unteren/oberen Wand bzw. in einem Eckenbereich.In a punctiform ceiling D, which is punctiform, for example, by means of a column S, a punching reinforcement F is provided in the area which is to be pierced. The flat ceiling D may be a so-called element ceiling (as shown) or an in-situ concrete floor (not shown). A punching reinforcement F is required not only for point support from below, but possibly also below an upright column or in the connection area of a vertical lower / upper wall or in a corner area.
Mit Baufugen 3 sind vier Elemente E um die Säule S verteilt. Die Baufugen 3 sind (
Um die statische Nutzhöhe H (
Die statische Nutzhöhe H der Gitterträger beträgt bei einem Abstand X von ca. 180 mm zwischen den Gurten in etwa 200 bis 220 mm. Die Höhe der unteren Bewehrung BU ist mit h2 angedeutet und kann der Höhe h1 entsprechen. Die Untergurte U1, U2 können auf den Querstäben der unteren Bewehrung BU ruhen.The static effective height H of the lattice girders is at a distance X of about 180 mm between the straps in about 200 to 220 mm. The height of the lower reinforcement B U is indicated by h2 and may correspond to the height h1. The lower chords U 1 , U 2 can rest on the transverse bars of the lower reinforcement B U.
Jede untere Biegung CU ist mit einem Untergurt U1, U2 in mindestens einem Bereich 17 verschweißt, während jede obere, über den Obergurt O überstehende Biegung CO in zwei in Gurtrichtung beabstandeten Bereichen 16 mit dem Obergurt O verschweißt ist.Each lower bend C U is welded to a lower flange U 1 , U 2 in at least one
Bei der Ausführungsform der
In
Jede Biegung CO, CU kann entweder mit einem in etwa gleichmäßigen Biegungsverlauf 12 geformt sein, oder (wie in
Sollte die untere und/oder obere Bewehrungslage aus nur einer Stablage oder aus mehr als zwei Stablagen oder Matten bestehen, sollte der Überstand der zur Vergrößerung der statischen Stützhöhe H über den zugehörigen Gurt hinaus geführten Biegung der Diagonalstrebenschlange zweckmäßigerweise der Höhe dieser Bewehrungslage entsprechen, um die optimale Stützhöhe H zu erzielen. Dies könnte auch der Fall sein, falls zwischen die Längs- und Querstäbe der Bewehrungslage Distanzelemente gesetzt sein sollten.Should the lower and / or upper reinforcement layer consist of only one stablage or of more than two staves or mats, the projection of the bending of the diagonal brace snake guided to increase the static support height H beyond the associated belt should expediently correspond to the height of this reinforcement layer optimal support height H to achieve. This could also be the case if spacer elements should be set between the longitudinal and transverse bars of the reinforcement layer.
Claims (9)
- Flat slab floor (D), in particular point-supported element floor or in-situ concrete floor, having a punching shear reinforcement which includes a plurality of lattice girders (T) which are arranged adjacent to at least one reinforcement layer (Bu, Bo), each lattice girder (T) having at least two spaced bottom booms (U1, U2), at least one top boom (O) and sinuous diagonal braces (A) positioned in a rooflike manner and firmly welded in the region of their bends (C) to the booms, characterised in that the bends (Co, Cu) of at least one sinuous diagonal brace (A) project beyond at least one boom (O, U1, U2) in the vertical direction of the lattice girder (T) by relatively precisely the height (h1, h2) of the reinforcement layer (Bo, Bu) or higher and penetrate into the reinforcement layer (Bu, Bo) in order to increase the static useful height (H) of the lattice girder (T), and in that transverse bars (1; 5; 10) running transversely to the boom (O, U) in the reinforcement layer (Bu, Bo) are laid directly or indirectly against the boom.
- Flat slab floor according to Claim 1, characterised in that the bends (Co) of both sinuous diagonal braces project beyond the top boom (0) in the lattice girder (T).
- Flat slab floor according to Claim 1, characterised in that longitudinal bars (4) of the reinforcement layer which lie approximately in the boom direction are arranged on the transverse bars at the side facing away from the boom.
- Flat slab floor according to Claim 1 or 2, characterised in that each projecting bend (C, Co, Cu) is welded to the boom in two regions (16) spaced in the boom direction.
- Flat slab floor according to Claim 1, characterised in that the vertical static useful height (H) of the lattice girder (T) is increased by at least bends (Co) of the sinuous diagonal braces (A) projecting beyond the top boom (O).
- Flat slab floor according to Claim 1, characterised in that the anchorage of the diagonal braces of the sinuous diagonal braces (A) in the concrete is a welded-on boom with projecting bend.
- Flat slab floor according to Claim 1, characterised in that the bend (Co, Cu) of the sinuous diagonal brace (A) projecting beyond the boom is designed with a substantially continuous bend course (12).
- Flat slab floor according to Claim 1, characterised in that the bend (Co, Cu) projecting beyond the boom comprises two curves (13, 14) and an approximately straight section (15) lying therebetween.
- Flat slab floor according to at least one of Claims 1 to 8, characterised in that, for a given vertical spacing (X) between the top and bottom booms, the vertical static useful height (H) of the lattice girder (T) is between about 110 and 140% of X, preferably between about 115 and 133% of X.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29912526U | 1999-07-19 | ||
DE29912526U DE29912526U1 (en) | 1999-07-19 | 1999-07-19 | Punching shear reinforcement for flat slabs |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1070800A1 EP1070800A1 (en) | 2001-01-24 |
EP1070800B1 EP1070800B1 (en) | 2003-10-29 |
EP1070800B2 true EP1070800B2 (en) | 2010-04-07 |
Family
ID=8076297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00114308A Expired - Lifetime EP1070800B2 (en) | 1999-07-19 | 2000-07-04 | Slab made of reinforced elementslab |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1070800B2 (en) |
AT (1) | ATE253156T1 (en) |
CZ (1) | CZ298232B6 (en) |
DE (2) | DE29912526U1 (en) |
PL (1) | PL207874B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2180455B1 (en) * | 2001-07-27 | 2003-12-16 | Rotondo Luis Bozzo | MIXED SPACE Slab AND CORRESPONDING MANUFACTURE AND USE PROCEDURE. |
DE102004040584A1 (en) * | 2004-08-21 | 2006-02-23 | Schöck Bauteile GmbH | Building component for shear reinforcement, has reinforcement components whose sides adjacent to bolt heads are arranged in line and inclined to axis of respective components, where angle of inclination lies between specified degrees |
DE202007014677U1 (en) | 2007-10-19 | 2009-02-26 | Filigran Trägersysteme GmbH & Co. KG | girder |
DK2698484T3 (en) | 2012-08-13 | 2015-02-02 | Filigran Trägersysteme GmbH & Co KG | Point-supported element or flat concrete |
RU167855U1 (en) * | 2016-07-06 | 2017-01-20 | федеральное государственное бюджетное образовательное учреждение высшего образования "Самарский государственный технический университет" | REINFORCED FRAME FOR MULTI-SPAN REINFORCED CONCRETE BEAMS |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1269324B (en) * | 1962-06-09 | 1968-05-30 | Walter Haslinger | Spatial truss |
DE2458081A1 (en) * | 1974-12-07 | 1976-06-10 | Rheinbau Gmbh | PROCESS FOR MANUFACTURING A LATTICE GIRDER AND LATTICE GIRDS MANUFACTURED BY THIS PROCESS |
DE8020051U1 (en) | 1980-07-25 | 1980-11-06 | Filigranbau Stefan Keller Kg, 8192 Geretsried | SPACIOUS GRID RACK |
AT378217B (en) | 1983-03-21 | 1985-07-10 | Avi Alpenlaendische Vered | REINFORCEMENT ELEMENT |
AT382188B (en) | 1984-07-24 | 1987-01-26 | Avi Alpenlaendische Vered | SHOE REINFORCEMENT SYSTEM FOR SURFACE STRUCTURES |
SE461538B (en) | 1987-07-03 | 1990-02-26 | Fundia Bygg Ab | GRILL BAR |
GB2235226B (en) * | 1989-08-21 | 1993-08-18 | Square Grip Ltd | Shearhead reinforcement |
DE59102324D1 (en) * | 1990-07-12 | 1994-09-01 | Badische Drahtwerke Gmbh | Lattice girder. |
ATA16492A (en) * | 1992-01-31 | 1997-06-15 | Bucher Franz | Lattice girder |
-
1999
- 1999-07-19 DE DE29912526U patent/DE29912526U1/en not_active Expired - Lifetime
-
2000
- 2000-07-04 AT AT00114308T patent/ATE253156T1/en active
- 2000-07-04 DE DE50004223T patent/DE50004223D1/en not_active Expired - Lifetime
- 2000-07-04 EP EP00114308A patent/EP1070800B2/en not_active Expired - Lifetime
- 2000-07-17 CZ CZ20002637A patent/CZ298232B6/en not_active IP Right Cessation
- 2000-07-19 PL PL341556A patent/PL207874B1/en unknown
Non-Patent Citations (1)
Title |
---|
JOHANNES FURCHE: "Elementdecken im Durchstanzbereich von Flachdecken", BETONWERK + FERTIGTEIL-TECHNIK, vol. 6, 1997, LEESE, pages 96 - 104 † |
Also Published As
Publication number | Publication date |
---|---|
PL341556A1 (en) | 2001-01-29 |
CZ298232B6 (en) | 2007-08-01 |
DE29912526U1 (en) | 1999-09-23 |
ATE253156T1 (en) | 2003-11-15 |
DE50004223D1 (en) | 2003-12-04 |
EP1070800A1 (en) | 2001-01-24 |
EP1070800B1 (en) | 2003-10-29 |
PL207874B1 (en) | 2011-02-28 |
CZ20002637A3 (en) | 2001-03-14 |
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