EP0146469B1 - Raumfachwerk aus Beton und Verfahren zur Herstellung des genannten Fachwerkes - Google Patents

Raumfachwerk aus Beton und Verfahren zur Herstellung des genannten Fachwerkes Download PDF

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Publication number
EP0146469B1
EP0146469B1 EP84402551A EP84402551A EP0146469B1 EP 0146469 B1 EP0146469 B1 EP 0146469B1 EP 84402551 A EP84402551 A EP 84402551A EP 84402551 A EP84402551 A EP 84402551A EP 0146469 B1 EP0146469 B1 EP 0146469B1
Authority
EP
European Patent Office
Prior art keywords
arms
lattice
bars
arm
structure 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
EP84402551A
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English (en)
French (fr)
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EP0146469A2 (de
EP0146469A3 (en
Inventor
Pierre Richard
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Bouygues SA
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Bouygues SA
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Filing date
Publication date
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Priority to AT84402551T priority Critical patent/ATE25863T1/de
Publication of EP0146469A2 publication Critical patent/EP0146469A2/de
Publication of EP0146469A3 publication Critical patent/EP0146469A3/fr
Application granted granted Critical
Publication of EP0146469B1 publication Critical patent/EP0146469B1/de
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E04B1/1906—Connecting nodes specially adapted therefor with central spherical, semispherical or polyhedral connecting element
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E04B2001/1921—Connecting nodes specially adapted therefor with connecting nodes having radial connecting stubs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1933—Struts specially adapted therefor of polygonal, e.g. square, cross section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1981—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1984—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework rectangular, e.g. square, grid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1981—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1987—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework triangular grid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/199—Details of roofs, floors or walls supported by the framework
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
    • E04B2001/3583—Extraordinary methods of construction, e.g. lift-slab, jack-block using permanent tensioning means, e.g. cables or rods, to assemble or rigidify structures (not pre- or poststressing concrete), e.g. by tying them around the structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S52/00—Static structures, e.g. buildings
    • Y10S52/10—Polyhedron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/342—Polyhedral
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/44—Three or more members connected at single locus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/47—Molded joint

Definitions

  • the present invention relates to concrete constructions.
  • An object of the invention is to provide a concrete construction capable of constituting a ballastable base for an offshore platform.
  • Another object of the invention is to provide a concrete construction capable of constituting a three-dimensional supporting trellis.
  • Ballastable concrete bases of offshore platforms consist of solid concrete walls. These bases can be suitable for platforms intended for cold seas because they have sufficient strength to withstand the pressure of the ice which can be very high but they have the disadvantage of having a very high weight. We tried to reduce this weight by using light concrete but this solution is very expensive and does not give any satisfaction.
  • the present invention aims to provide a base which can be made of normal concrete, which offers maximum resistance and which, however, is of reasonable weight.
  • the base of the present invention essentially consists of a volume formed by a rigid three-dimensional lattice of concrete bars assembled into concrete nodes, certain nodes being connected to each other by clamping cables which pass outside the bars and which possibly pass through intermediate nodes, these cables carrying out a three-dimensional prestressing of the whole trellis, the base comprising means for making the sides and the bottom of the trellis waterproof.
  • the lattice consists of an assembly of prefabricated blocks by molding, each block comprising a core and a plurality of arms which radiate from the core, each arm having at least one longitudinal housing opening out at the free end. of the arm, the arms being assembled two by two in alignment to constitute the lattice bars, the housings of the assembled arms being aligned and containing a frame. common metal, the joining area of the assembled arms being surrounded by a sealing sleeve, said housings being filled with hardened mortar, and said trellis being clamped by prestressing cables which pass outside the bars of the trellis and which are attached to nodes of the trellis.
  • the platform base shown in Figures 1 and 2 is a hexagonal base whose edge is 72 m.
  • This base consists of a trellis which is provided with a sealed front and which has a sealed bottom.
  • the trellis is made up of concrete bars assembled in nodes and the lateral facade of this grid constitutes inclined planes on which the facade of the base rests.
  • the trellis it is convenient to constitute the trellis by an assembly of regular tetrahedra, the nodes constituting the vertices of the tetrahedra and the bars being arranged according to the edges of the tetrahedra.
  • the lattice bars form squares in planes inclined at 50-60 °, form equilateral triangles in planes inclined at 65-75 ° and form equilateral triangles in horizontal planes.
  • the sides of the trellis alternately comprise planes where the bars of the trellis form equilateral or isosceles triangles and planes where the bars of the trellis form squares or rectangles.
  • the section plane of Figure 1 is a vertical plane and the view represents one half of the section plane.
  • Figure 2 there are shown horizontal section planes.
  • Figure 2 is divided into six portions which each represent a fraction of horizontal section at a certain level.
  • marks 1, 2, 3, 4, 5, 6 represent cutting plans at levels 0 m, 5 m, 10 m, 15 m, 20 m, 25 m approximately.
  • the lower plane of the trellis which is made up of a mosaic of equilateral triangles A, B, C whose sides are formed by bars of the trellis and whose vertices are formed by lattice nodes.
  • section plane in FIG. 1 is a plane along the line A-A in FIG. 2.
  • the trellis is produced by any suitable technique and the following technique is preferably used.
  • blocks comprising a central core and arms which radiate from the core are molded by injection molding in a closed mold.
  • the core is intended to constitute a knot of the trellis and each arm is intended to constitute a part of a bar of the trellis.
  • part of the lower level of the trellis is first produced, then, in degraded form, part of the level placed above, and so on to the upper level, the devices necessary for the installation of the blocks that can roll on the ground from the place where the assembly is made.
  • the invention makes it possible to carry out a large part of the work outside the dry dock, since only the assembly of the blocks is carried out in dry dock.
  • any suitable means can be used and, preferably, the two arms are provided, at prefabrication, with two housings which will open out opposite one another when the arms are placed end to end, these two housings being each provided with a passage making it possible to introduce mortar into the housings and, simultaneously, to empty the air from the housings.
  • a common frame is placed in the two housings, the junction of the two arms is surrounded by a sleeve and mortar is introduced into the two housings until it sets.
  • the sleeve provides lateral sealing.
  • a sleeve made of heat-shrinkable material is used.
  • the mortar which fills the housings can constitute between the opposite faces of the two arms a more or less thick joint acting as a jack between the two arms.
  • This more or less thick joint J makes it possible to position the two prefabricated blocks on demand one with respect to the other and it is the same step by step for all the blocks. We can easily adjust the positions of the nodes, which is a very important advantage of the technique of the invention.
  • Figure 4 is a diagram explaining the technique of assembling two arms, as described above.
  • the arms are marked 14, 14 ', the corresponding cores 15, 15', the corresponding housings 16, 16 ', the passages of the housings 17,17', the sleeve 18 and the armature 19.
  • the arms are bars whose cross section is part of a circle with a diameter of 20 to 100 cm and which have a length of 2 to 10 meters. Preference is given to bars of circular section whose diameter is in the range 30-80 cm and preferably used for the assembly of the arms, a mortar having a high compressive strength, of the order of 600 to 1000 bars.
  • each arm constitutes a half bar.
  • the entire trellis is clamped by cables which carry out a three-dimensional prestress. These cables are fixed at their ends to nodes of the trellis.
  • a cable alternately and repeatedly meets a trellis bar which it crosses substantially in the middle and orthogonally, and a node of the trellis which it crosses.
  • Figure 3 of the accompanying drawing shows, by way of example only, a block consisting of a core 1 from which radiate 12 arms (2-13) which each constitute a half-bar of the trellis.
  • the blocks located on the end planes of the trellis that is to say the planes which constitute the bottom, the sides and the top of the trellis, have a lower number of arms, as it is understood.
  • the bottom and sides of the base are sealed.
  • the watertight bottom is preferably made up of a mosaic of pyramids, which allows it to sink into the underlying soil on demand at the final location of the platform.
  • Figure 5 is a perspective showing an element of the pyramid in one of the lattice tetrahedra.
  • the pyramid and the tetrahedron have a common base DEF but the vertex G of the tetrahedron is au- above the top H of the pyramid.
  • the two halves are then assembled by any suitable method and, for example, by a technique analogous to that which allows the assembly of two arms to form a bar.
  • the pyramids at the bottom of the base are mounted at the same time as the nodes of the lower level of the trellis are mounted.
  • the facade of the base is preferably an embossed concrete facade.
  • This facade ( Figure 6), it is convenient to prefabricate concrete dihedra made up of two planes P1, P2 and to join these planes to the bars of the surface of the lattice against which the facade is applied. It is therefore advantageous that in this surface the bars of the trellis constitute rectangles which extend in the height of the surface of the trellis and the walls P1, P2 are tightly joined with the bars b located along the long sides of the rectangle. and so step by step.
  • FIGS 7 to 10 show alternative embodiments according to the invention.
  • the molded block consists of a spherical central core 15 from which radiate cylindrical arms 14. A part of a lattice made up of these blocks is shown to the right of the block and we see on this lattice sleeves 18 which are mounted on the lattice bars.
  • part of a trellis is shown.
  • the bars of the trellis which are in the planes underlying the facade are arranged along the sides of squares Q and along the sides of triangles T which, possibly, draw trapezoids.
  • part of a trellis is also shown.
  • the bars of the trellis which are in the planes underlying the facade are arranged along the sides of squares Q and along the sides of triangles T which possibly draw trapezoids.
  • FIG. 9 part of the side façade has also been shown.
  • this side facade is made up of facade portions. In fact, each portion of the facade is integral with one of the tetrahedrons of the lattice and the various portions of the facades are made contiguous step by step by mortar or added concrete.
  • FIG. 10 is a simplified view schematically showing two prestressing cables 20, 21.
  • the prestressing cable 20 is straight and its ends are fixed to two nodes 22, 23 of the trellis.
  • the cable crosses several bars of the trellis such as bars 24, 25 but remains outside the bars.
  • the prestressing cable 21 is also attached at its two ends to nodes 26, 27 of the trellis but this cable is not straight and it is deflected by nodes of the trellis such as nodes 28, 29.
  • the node 28 is provided a groove 30 and the node 29 is provided with an internal passage 31 for deflecting the cable 21. Only part of the arms of these nodes is shown in the drawing.
  • the invention is not limited to a specific geometrical arrangement of the bars but, preferably, the bars of the lateral faces of the trellis are arranged along the sides of equilateral or isosceles triangles and / or along the sides of rectangles or squares.
  • the side faces are planes inclined with respect to the vertical but, in other embodiments, they are vertical.
  • the sides and bottom of the trellis are sealed by any suitable means.
  • the seal is obtained by a plurality of concrete walls which are fixed in a sealed manner or which are in one piece with the bars of the lattice which are located in the lateral faces and in the bottom face of the lattice.
  • the walls which seal one side of the trellis are arranged in a pleated arrangement, which reduces the effects of the temperature difference between the part of this side which is in the water and the part of this side which is in the water. - above the water.
  • Such a temperature difference, which in cold seas can be 50 ° C or more, could cause destructive stresses if the side walls were flat.
  • the term "pleated” should be understood as a global term which includes all configurations and all dimensions of pleats.
  • the invention is particularly applicable to the production of structures at sea, including to form reservoirs.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Foundations (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Revetment (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Catalysts (AREA)
  • Panels For Use In Building Construction (AREA)
  • Building Environments (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Road Paving Structures (AREA)

Claims (11)

1. Steife Raumfachwerkkonstruktion aus Beton aus an Knotenpunkten verbundenen Betongliedern, dadurch gekennzeichnet, dass das Fachwerk von einem Zusammenbau von durch Giessen vorfabrizierten Blöcken gebildet ist, dass jeder Block einen Kern (1, 15) und eine Vielzahl von Armen (2-13) aufweist, die von dem Kern strahlenförmig ausgehen, dass jeder Arm wenigstens eine längliche, am freien Ende des Arms mündende Aufnahme (16) aufweist, dass die Arme zu jeweils zwei zueinander ausgerichtet zusammengebaut werden, um die Glieder des Fachwerks zu bilden, dass die Aufnahmen (16) der zusammengebauten Arme ausgerichtet sind und eine gemeinsame Metallbewährung (19) enthalten, dass der Verbindungsbereich der zusammengebauten Arme von einer Dichtungshülse (18) umgeben ist, dass die Aufnahmen mit hartem Mörtel gefüllt sind, und dass das Fachwerk mit Vorspannungskabeln (20, 21 ) gespannt ist, die ausserhalb der Glieder des Fachwerks verlaufen und an den Knotenpunkten des Fachwerks befestigt sind.
2. Betonkonstruktion nach Anspruch 1, dadurch gekennzeichnet, dass mindestens gewisse der Arme eine Hälfte des Gliedes bilden.
3. Konstruktion nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Arme eine Länge von 2 bis 10 Meter und einen in einem Kreis mit dem Durchmesser von 20 bis 100 cm eingeschriebenen Querschnitt aufweisen.
4. Konstruktion nach Anspruch 3, dadurch gekennzeichnet, dass die Arme einen Kreisquerschnitt aufweisen, dessen Durchmesser im Bereich von 30 bis 80 cm liegt.
5. Konstruktion nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Hülsen (18) aus einem wärmeschrumpfenden Material bestehen.
6. Konstruktion nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass gewisse der Vorspannungskabel (20, 21) von den Knotenpunkten des Fachwerks ausgelenkt sind.
7. Konstruktion nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass mindestens gewisse der Vorspannungskabel geradlinig sind.
8. Gegossener Betonblock zur Herstellung einer Konstruktion nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass er einen Kern (15) und Arme (14) aufweist, die strahlenförmig von dem Kern (15) ausgehen, dass jeder Arm (14) wenigstens eine längliche Aufnahme (16), die an einem freien Ende des Armes (14) mündet, und wenigstens einen Durchlass aufweist, um Mörtel in die Aufnahme einzubringen oder um Luft aus der Ausnahme herauszulassen.
9. Gegossener Betonblock nach Anspruch 8, dadurch gekennzeichnet, dass der Kern mit einer Nute oder einer Durchführung für den Durchlauf eines Vorspannungskabels versehen ist.
10. Verfahren zur Herstellung einer Konstruktion nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass es die Vorfabrikation von Blöcken gemäss Anspruch 8 oder 9 und die zu wiederholenden Schritte umfasst, die darin bestehen: einen Arm eines Blockes zu einem Arm eines anderen Blockes auszurichten, nachdem eine gemeinsame Bewährung in die ausgerichteten Aufnahmen eingeführt worden ist, den Verbindungsbereich der zwei ausgerichteten Arme mit einer Dichtungshülse zu umgeben und Mörtel in die Aufnahmen der ausgerichteten Arme einzubringen, um die Aufnahme zu füllen und nach Wunsch eine mehr oder minder dicke Dichtung zwischen den zwei Armen zu bilden.
11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass der Block durch Spritzen in eine geschlossene Form hergestellt ist.
EP84402551A 1983-12-14 1984-12-11 Raumfachwerk aus Beton und Verfahren zur Herstellung des genannten Fachwerkes Expired EP0146469B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84402551T ATE25863T1 (de) 1983-12-14 1984-12-11 Raumfachwerk aus beton und verfahren zur herstellung des genannten fachwerkes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8320092A FR2556757B1 (fr) 1983-12-14 1983-12-14 Treillis porteur tridimensionnel en beton et procede pour realiser ce treillis
FR8320092 1983-12-14

Publications (3)

Publication Number Publication Date
EP0146469A2 EP0146469A2 (de) 1985-06-26
EP0146469A3 EP0146469A3 (en) 1985-08-28
EP0146469B1 true EP0146469B1 (de) 1987-03-11

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EP84402551A Expired EP0146469B1 (de) 1983-12-14 1984-12-11 Raumfachwerk aus Beton und Verfahren zur Herstellung des genannten Fachwerkes

Country Status (10)

Country Link
US (2) US4648223A (de)
EP (1) EP0146469B1 (de)
JP (1) JPS6124717A (de)
KR (1) KR890004175B1 (de)
AT (1) ATE25863T1 (de)
CA (1) CA1218241A (de)
DE (1) DE3462616D1 (de)
FR (1) FR2556757B1 (de)
MX (1) MX162915B (de)
OA (1) OA07894A (de)

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US4813191A (en) * 1987-11-24 1989-03-21 Huang Yen T Modular space framed earthquake resistant structure
JP2620709B2 (ja) * 1988-08-16 1997-06-18 株式会社竹中工務店 角鋼管を使用した平版状立体トラス
US5073800A (en) * 1989-05-11 1991-12-17 Tokyo Electric Co., Ltd. Electrophotographic apparatus with manual and programmable blade cleaner
FR2679577A1 (fr) * 1991-07-09 1993-01-29 Yamaha Motor Co Ltd Raccord pour structures sous-marines.
US6676862B2 (en) 1999-09-15 2004-01-13 Advanced Building Systems, Inc. Method for forming lightweight concrete block
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JPS6124717A (ja) 1986-02-03
OA07894A (fr) 1986-11-20
US4648223A (en) 1987-03-10
MX162915B (es) 1991-07-08
FR2556757B1 (fr) 1987-04-10
EP0146469A2 (de) 1985-06-26
US4726923A (en) 1988-02-23
JPH0317004B2 (de) 1991-03-07
KR850004287A (ko) 1985-07-11
DE3462616D1 (en) 1987-04-16
KR890004175B1 (ko) 1989-10-23
EP0146469A3 (en) 1985-08-28
ATE25863T1 (de) 1987-03-15
CA1218241A (en) 1987-02-24
FR2556757A1 (fr) 1985-06-21

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