EP0875635B1 - Elément composite conçu essentiellement pour supporter verticalement des éléments constructifs de bâtiments - Google Patents

Elément composite conçu essentiellement pour supporter verticalement des éléments constructifs de bâtiments Download PDF

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Publication number
EP0875635B1
EP0875635B1 EP98810355A EP98810355A EP0875635B1 EP 0875635 B1 EP0875635 B1 EP 0875635B1 EP 98810355 A EP98810355 A EP 98810355A EP 98810355 A EP98810355 A EP 98810355A EP 0875635 B1 EP0875635 B1 EP 0875635B1
Authority
EP
European Patent Office
Prior art keywords
hollow section
composite element
chamber
concrete
hollow profile
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
Application number
EP98810355A
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German (de)
English (en)
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EP0875635A1 (fr
Inventor
Urs Dr. Oelhafen
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.)
FJ Aschwanden AG
Original Assignee
Nivo AG
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Publication date
Application filed by Nivo AG filed Critical Nivo AG
Publication of EP0875635A1 publication Critical patent/EP0875635A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings

Definitions

  • the present invention relates to a composite component for essentially vertical support of building components according to the preamble of claim 1.
  • Composite components for vertical support of components are in known various embodiments. Some embodiments are For example, in the European pre-standard ENV 1994-1-1 shown in Figure 4.9.
  • a first embodiment consists of a double-T profile, which is completely covered by concrete. Such components must be in one closed additional formwork can be produced, a conventional Reinforcing steel reinforcement in the form of longitudinal bars surrounded by brackets are cast in for reinforcement.
  • Another embodiment also consists of a double-T profile, in which only the two lateral chambers are concreted become.
  • the T flanges form part of the outer formwork during manufacture. Additional formwork elements must be used for concreting the chambers be attached.
  • the chambers can also do this be reinforced with reinforcing steel (longitudinal bars and stirrups).
  • a support which consists of an inner Hollow profile and an outer hollow profile is formed.
  • the inner cavity is filled with a mortar mass between the two hollow profiles lying cavity is filled with a mortar-like mass that additionally has a heat-insulating effect.
  • the outer hollow profile does not extend to the base plate. So the force to be transmitted is essentially only through the inner Hollow profile initiated in the support, which has the consequence that the support is not very strong. Additional reinforcements are not intended.
  • the object of the invention is now a composite component to support building elements of buildings that are simple and can be manufactured inexpensively and can withstand a high load, and which, especially in the event of a fire, also has a high resistance can keep for a long time.
  • the complex basket-shaped reinforcement device with the inner hollow profile the longitudinal reinforcements attached to it. Because the buoyancy a highly reinforced reinforced concrete column strongly depends on the quality of the bracket or Spiral reinforcement is dependent, the smallest possible bracket division or Spiral pitch required. From constructive, technical execution and economic reasons there are limits to this possibility.
  • the inner hollow profile now ideally fulfills these requirements because it forms an optimal tying of the longitudinal reinforcements. It has been found that, for example, those pillars break first in earthquakes, the tying is not optimal.
  • the outer chamber for example, with a thermally highly insulating lightweight concrete, which is a rather low one Compressive strength.
  • the inner chamber can be or mortar mixture filled from high to very high compressive strength are, of course, not so well insulated thermally, but which by the thermally highly insulating lightweight concrete is protected in the outer chamber. This can also be done by choosing the diameter of the inner hollow profile and the outer hollow profile different requirements for the load resistance be met. Depending on the type of support Requirements regarding fire protection, resilience when cold or in In the event of fire, a different composition of the insulation layer can be chosen become.
  • Another advantageous embodiment of the invention consists in that, for example, another hollow profile in the center of the inner chamber is arranged, for example, the function of a drain pipe for waste water can exercise.
  • the composite component 1, as shown in Fig. 1, and the vertical supports of components 2, 3 of buildings is used a body 4.
  • This body 4 is composed of an inner one Hollow section 5 and an outer hollow section 6.
  • the two hollow sections 5 and 6 are arranged coaxially in this embodiment.
  • the inner hollow profile 5 forms an inner chamber 7. Between the inner hollow profile 5 and the outer hollow profile 6 is an outer chamber 8.
  • the inner chamber 7 can be filled with a concrete or mortar mixture that has a high to very high compressive strength. Using The shrinking effect of a special mortar that compensates for shrinkage reinforced by the inner hollow profile 5, so that the load resistance additionally increased.
  • the outer chamber 8 can with a concrete or mortar mixture be filled, which is thermally insulating. This can be done, for example, by an expanded clay grain additive can be achieved in the mixture.
  • longitudinal reinforcements 10 attached from reinforcing steel. These longitudinal reinforcements 10 can the inner hollow section 5 and the outer hollow section 6 are made of steel, welded become. With these longitudinal reinforcements 10 is a reinforcement and consequently an improvement in the load-bearing capacity of the composite component 1 reached.
  • the body 4 of the composite component 1 is at each end a support plate 11 or 12, via which the forces of the to be supported Components 2, 3 are introduced into the composite component 1. For reaching a high load resistance, optimal force transmission is crucial.
  • the arrangement according to the invention brings about the introduction of force in the longitudinal reinforcement 10 via direct contact between support plates 11 or end plate 13 and ends of the longitudinal reinforcements 10, and not how otherwise common, via a composite effect on the contact surfaces of concrete / reinforcing steel.
  • the lower end of the body 4 in FIG. 1 is additionally provided with an end plate 13 provided, which rests on the lower support plate 12. With this End plate 13, the inner chamber 7 and the outer chamber 8 completed towards the bottom, thereby filling with the appropriate Concrete or mortar mixture is easily possible.
  • the 2 shows the cross-sectional shape of a composite component 1, the inner hollow profile 5 and the outer hollow profile 6 each have one have circular cross section.
  • the two hollow profiles 5 and 6 are here arranged coaxially to each other. Furthermore, they are on the inside 9 of the inner hollow section 5 attached longitudinal reinforcements 10 can be seen are distributed over the scope.
  • the inner chamber 7 and the outer chamber 8, which is annular, are, as already mentioned, with the corresponding concrete or mortar mixtures filled.
  • the embodiment, the cross section of which is shown in FIG. 3 has an inner hollow profile 5 which corresponds to that according to FIG. 2 with the attached longitudinal reinforcements 10.
  • the outer hollow profile 6 has in contrast, a square cross-sectional shape.
  • the inner ones Chamber 7 and the outer chamber 8 with the corresponding concrete or Mortar mixtures filled up.
  • the inner hollow section 5 and the outer hollow section 6 being square Have cross-section.
  • the longitudinal reinforcements 10 on the inside 9 of the inner hollow profile 5 are attached, run along the Edge. Of course, further longitudinal reinforcements 10 could also be used be provided.
  • the inner chamber is 7 and the outer chamber 8 filled with the appropriate concrete or mortar mixtures.
  • FIG. 5 Another embodiment, the cross section of which is shown in FIG. 5 has a structure which corresponds to that according to FIG. 2.
  • a further hollow profile 14 is provided, which is in the center of the inner chamber 5 is arranged and runs along the longitudinal axis.
  • The can be formed by this further hollow profile 14 cavity 15, for example can be used as a drain for waste water.
  • this can Cavity 15 can also be provided for other applications, for example for cable routing.
  • the composite component 1 has inner hollow profiles 5 and outer hollow profiles 6, which have a different cross-sectional shape have than those previously described.
  • inner hollow profiles 5 and outer hollow profiles 6 with different ones Cross-sectional shapes possible.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (7)

  1. Elément composite (1) conçu pour le support essentiellement vertical d'éléments de construction (2, 3) de bâtiments, élément qui comprend un corps (4) qui est muni de plaques supports placées aux extrémités et qui se compose d'un profilé intérieur creux (5) formant une cavité interne (7) et d'un profilé extérieur creux (6) entourant ce dernier et dans lequel une cavité externe (8) est formée entre le profilé intérieur creux (5) et le profilé extérieur creux (6) et procédé dans lequel la cavité interne (7) et la cavité externe (8) sont remplies respectivement d'un mélange de béton ou de mortier, caractérisé en ce que des armatures longitudinales (10) en acier de béton sont disposées sur la face interne (9) du profilé intérieur creux (5), armatures longitudinales (10) qui sont reliée respectivement aux deux plaques supports (11 et 12).
  2. Elément composite selon la revendication 1, caractérisé en ce que les deux plaques supports(11, 12) placées aux extrémités sont repliées respectivement aussi bien avec le profilé intérieur creux (5) que le profilé extérieur creux (6).
  3. Elément composite selon la revendication 1 ou 2, caractérisé en ce que le profilé intérieur creux (5) et le profilé exteme creux (6) sont disposés de manière coaxiale et en ce que la cavité exteme (8) présente une section transversale annulaire.
  4. Elément composite selon l'une des revendications 1 à 3, caractérisé en ce que le profilé interne creux (5) et/ou le profilé externe creux (6) se composent d'acier.
  5. Elément composite selon l'une des revendications 1 à 4, caractérisé en ce que le mélange de béton ou de mortier avec lequel est remplie la cavité interne (7) présente une résistance élevée à la pression et en ce que le mélange de béton ou de mortier, avec lequel est remplie la cavité externe (8), est doté d'un additif d'isolation thermique.
  6. Elément composite selon la revendication 5, caractérisé en ce que le mélange de mortier avec lequel est remplie la cavité interne (7) est un mortier spécial compensateur de retrait.
  7. Elément composite selon l'une des revendications 1 à 4, caractérisé en ce qu'au moins un autre profilé creux s'étendant axialement est disposé essentiellement au centre de la cavité interne (7).
EP98810355A 1997-04-30 1998-04-22 Elément composite conçu essentiellement pour supporter verticalement des éléments constructifs de bâtiments Expired - Lifetime EP0875635B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH101497 1997-04-30
CH1014/97 1997-04-30
CH101497 1997-04-30

Publications (2)

Publication Number Publication Date
EP0875635A1 EP0875635A1 (fr) 1998-11-04
EP0875635B1 true EP0875635B1 (fr) 2003-08-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810355A Expired - Lifetime EP0875635B1 (fr) 1997-04-30 1998-04-22 Elément composite conçu essentiellement pour supporter verticalement des éléments constructifs de bâtiments

Country Status (3)

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EP (1) EP0875635B1 (fr)
AT (1) ATE248265T1 (fr)
DE (1) DE59809372D1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2833632B1 (fr) * 2001-12-14 2004-06-11 Usinor Poteau composite prefabrique pour la construction de structure portante verticale de batiment compose d'au moins un profile d'acier, cylindre creux
CN100393969C (zh) * 2006-03-08 2008-06-11 哈尔滨工业大学 内置高强或超高强混凝土芯柱配筋混凝土柱及其制备方法
DE102007037951A1 (de) * 2007-08-11 2009-02-19 Nguyen, Viet Tue, Prof. Dr.-Ing. habil. Betonverbundstütze
IT1391703B1 (it) * 2008-07-09 2012-01-17 Miceli Struttura - armatura centrale all'incrocio tra pilastri e travi delle costruzioni per aumentarne la resistenza durante le scosse sismiche e per impedirne il reciproco distacco
FR2932203B1 (fr) * 2009-03-12 2013-07-05 Innov Process Ind Procede de construction d'un batiment isole par l'interieur et procede de fabrication d'un element de superstructure correspondant
DE102010045093A1 (de) 2010-09-13 2012-03-15 App Dachgarten Gmbh Drainageprofil zur Entwässerung von Flach- und Gründächern sowie von ebenen Nutzflächen
CN108179840A (zh) * 2018-01-25 2018-06-19 万保金 装配式预制叠合柱

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1655407A (en) * 1926-02-01 1928-01-10 George L Bennett Structural column
FR802324A (fr) * 1936-01-31 1936-09-02 Pilier en béton armé
GB1263051A (en) 1967-11-07 1972-02-09 Parking Systems Ltd Improvements in or relating to building structures
US3858374A (en) * 1973-10-09 1975-01-07 Int Environmental Dynamics Triaxially prestressed polygonal concrete members
BE821235R (fr) * 1973-10-26 1975-02-17 Caissons en acier et leur utilisation en vue de l'execution de poteaux ou de pieux mixtes acier-beton.
DE8525294U1 (de) * 1985-09-05 1986-02-06 Vahlbrauk, Karl Heinz, 3353 Bad Gandersheim Rohrförmiger Baukörper

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Publication number Publication date
DE59809372D1 (de) 2003-10-02
ATE248265T1 (de) 2003-09-15
EP0875635A1 (fr) 1998-11-04

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