EP0058851B1 - Structure de construction constituée d'éléments préfabriqués - Google Patents

Structure de construction constituée d'éléments préfabriqués Download PDF

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Publication number
EP0058851B1
EP0058851B1 EP82100763A EP82100763A EP0058851B1 EP 0058851 B1 EP0058851 B1 EP 0058851B1 EP 82100763 A EP82100763 A EP 82100763A EP 82100763 A EP82100763 A EP 82100763A EP 0058851 B1 EP0058851 B1 EP 0058851B1
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EP
European Patent Office
Prior art keywords
pillar
building structure
headpiece
cavity
beams
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
EP82100763A
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German (de)
English (en)
Other versions
EP0058851A1 (fr
Inventor
Nevio Soncini
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT82100763T priority Critical patent/ATE15090T1/de
Publication of EP0058851A1 publication Critical patent/EP0058851A1/fr
Application granted granted Critical
Publication of EP0058851B1 publication Critical patent/EP0058851B1/fr
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
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor

Definitions

  • the object of the present invention is a building structure of prefabricated elements, and particularly a structure consisting of prefabricated beams and pillars of reinforced concrete.
  • the most widespread technique in performing these junctions provides for the prefabricated pillars to be formed with at least part of the reinforcing rods emerging from their ends.
  • an overlying pillar is placed - by means of a crane - onto an already stabilized underlying pillar, up to approaching the respective emerging reinforcing parts, while leaving relatively spaced the opposed concrete end headpieces. While the overlying pillar is supported by the crane, the corresponding reinforcing rods are welded together.
  • the free space between the two headpieces of the pillars is used for supporting and fixing the headpieces of the horizontal beams and for a subsequent concrete casting, designed to act as binder and make the junction perfectly stable.
  • an equipment in order to reduce the crane employment times, an equipment has been set up which is formed by two metal pieces of frusto- conical shape being spaced by a detachable hollow metal cylinder.
  • the equipment is inserted into proper cavities obtained in the opposed headpieces of the pillars, between which it is interposed, so as to provide for the temporary support and spacing of said pillars.
  • the removal of the spacing cylinder allows to recover the equipment once the reinforcement has been welded, before carrying out the concrete casting.
  • the pillar must still be supported vertically - for instance by means of the usual provisional wooden structures - up to setting of the concrete casting in correspondence of the junction. Equally, up to this moment, the pillar cannot be loaded with the overlying structure.
  • each pillar terminates, at the upper end, with an axial, projecting metal tube, or the like, acting as temporary support.
  • the same pillars are provided, at the lower end, with an qually axial hole, apt to receive said tube.
  • This engagement has first of all the advantage of holding the overlying pillar in a position adjusted in height, since the top level of the tube and, respectively, the bottom level of the opposed axial hole, are exactly determined during prefabrication.
  • the tube can be threaded and provided with a bushing, apt to be screwed on the same, which adjust- ably supports the upper pillar (see AU-B-30476/ 67).
  • the said engagement performs a scarce binding function between the two pillars.
  • a still further type of prefabricated structure which tends to eliminate the aforementioned drawbacks, makes use of essentially hollow pillars, which are employed as follows. (See FR-A-1380023.) Onto an underlying pillar - on which the slab has already been placed and completed, and from the top of which project connection reinforcing rods - is mounted a new hollow pillar, taking care to arrange said reinforcing rods into its cavity. Said pillar is rested onto the slab and is held plumb by means of the usual provisional wooden structures; then the pillar itself is filled with concrete casting, starting from the top and taking care to previously introduce therein also a metal reinforcement for subsequent connection to a further overlying pillar.
  • a building structure of prefabricated elements comprising a skeleton of prefabricated pillars and beams, mutually connected in correspondence of the junction points by a concrete casting, posts projecting upwardly from the top headpiece of each underlying pillar for the support of an identical overlying pillar and delimiting a space which extends into a cavity in the underlying pillar, said space and cavity being apt to house connection reinforcing rods, characterized in that at least part of said posts are provided at the top with a support element adjustable in height; in that said connection reinforcing rods project from the lower headpiece of the overlying pillar into said cavity, to lie adjacent to the reinforcing rods buried in the underlying pillar at least by the minimum length foreseen by the rules on reinforced concrete buildings; in that said cavity is just deep enough to house the rods projecting from the overlying pillar, the inner walls of said cavity being provided with a set of horizontal grooves to improve the bond of the concrete casting; and in that further
  • said posts are in a number of four and are positioned in correspondence of each of the four corners of the pillar, three of such posts being provided with said support elements adjustable in height.
  • the lower headpiece of the pillar is shaped preferably like a pyramid with downward apex and it is furthermore provided with a hole leading into a feed and vent pipe, which lets onto one of the side walls of the pillar, in proximity to said headpiece.
  • the pillar 1 terminates, on its upper headpiece 2, with four posts 3, arranged at the four corners of the pillar.
  • the posts 3 delimit a space which extends into a cavity 4 in the upper headpiece of the pillar 1.
  • the posts 3 and the cavity 4 delimit, on the upper headpiece, support surfaces 5 onto which fit exactly the end cogs 6 of the horizontal beams 7.
  • the lower headpiece 8 of the pillar 1 has a very open pyramid shape, from which project connection reinforcing rods 9, as well as a reinforcing rod in the form of a half-ring or eyelet 10.
  • a similar half-ring or eyelet 11 is provided at the bottom of the cavity 4.
  • One of the four posts indicated by 3' in figure 2 is slightly higher than the others and terminates with a slight swell 13; whereas the remaining posts 3 each have, at the top, a support element 15 adjustable in height.
  • said support element 15 is simply formed by a round-headed bolt, apt to be screwed into a threaded bush 16, buried into the upper end part of each post 3. It is evident however that any other support element, adjustable in height, may be used to perform this function, since elements of this type are widely spread on the market.
  • the cavity 4 which - as better described hereinafter - is designed to house the concrete casting for connecting two superposed pillars, is formed with a set of deep grooves onto its surfaces, which are apt to improve the bond of the concrete casting, thereby preventing any possible slipping out thereof, even in the event of particularly heavy stresses.
  • the cavity 4 is just deep enough to house the connection reinforcing rods 9 projecting from the overlying pillar.
  • the pillar 1 is carried over its top and is slowly let down by means of the crane, making sure that the lower headpiece 8 of the overlying pillar mates exactly with the upper headpiece 2 of the underlying pillar.
  • the heads of the support elements 15 and the respective seats 17, provided in correspondence of the posts 3, allow an easy and accurate centering of the pillar itself.
  • connection reinforcing rods 9 will have penetrated inside the cavity 4 up to reaching the bottom thereof, up to lie adjacent to the reinforcing rods 18, buried within the headpiece 2, by a length complying with the present rules on reinforced concrete buildings.
  • the rods 9 have surfaces with an improved bond coefficient.
  • the non-adjustable end of the post 3' defines the exact level at which the overlying pillar should be positioned. Since the pillars are prefabricated at the workshop, the exactness of said level is no doubt the best that can be obtained in buildings.
  • the support elements 15 of the other posts 3 are instead adjusted, with the overlying pillar already bearing thereon by means of a spanner or like - up to positioning the pillar itself perfectly plumb.
  • the pillar is perfectly stable on its support and, in normal conditions, it can already be released by the crane.
  • the two pillars have been mutually anchored, taking up the position shown in figure 2, one provides to insert the horizontal beams 7 which get fixed - as already said - with their end cogs 6 into the support surfaces 5.
  • the beams 7 may be simply rested thereon, or else they may in turn be provided with projecting rods, apt to intersect with rods projecting from the opposed beam and, respectively, with the rods of the two pillars.
  • the beams 7 comprise median longitudinal notches 20, apt to allow the laying of transversal connection reinforcing rods and thereby enabling a continuity in said rods even on the lower side of the beam. This last characteristic turns out to be particularly important when there is a turnover in the curve of the bending moments, for instance due to moving loads or in circumstances of seismic quakes.
  • the beams 7, as shown in figure 1, are meant for the inner part of the building.
  • the longitudinal ribs 21, provided on both sides of said beams, are in fact designed to support the tile forming the slab, and the beams themselves get completely covered by the concrete casting.
  • peripheral beams (not shown) have a slightly different conformation; they in fact do not have one of the ribs 21 and they have instead a raised upper rim, apt to contain - with no need for any further forms - the casting designed to make up the slab.
  • the foundation element 23 consists of a metal trestle substantially formed by four appropriately connected angle bars, provided at the top with adjustable support elements 24, similar to the already seen elements 15, but far longer.
  • the transversal dimensions of the foundation element 23 are identical to those of the overlying base pillar, so that the support elements 24 fit perfectly into the respective seats provided in said pillar.
  • the different foundation elements are positioned and nailed onto a foundation layer 25, and they are set with a first casting up to the level indicated by F.
  • F the level indicated by F.
  • the trestlework of the foundation element 23 allows,to introduce it, without any problem, into any type of foundation reinforcement (plinth, bed, face beam, back beam), which may in fact be easily crossed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Panels For Use In Building Construction (AREA)
  • Joining Of Building Structures In Genera (AREA)

Claims (11)

1. Structure de bâtiment en éléments préfabriqués, comportant une ossature de piliers (1) et poutres (7) préfabriqués, reliés mutuellement en correspondance des points de jonction par un coulage de béton, des montants en saillie vers le haut depuis le bout du haut de chaque pilier de dessous (2) pour supporter un pilier de dessus et délimitant un espace qui se prolonge en une cavité (4) dans le pilier de dessous, ces espace et cavité (4) étant aptes à loger des tiges d'armature (9) de liaison, caractérisée en ce que au moins partie de ces montants (3) sont munis à leur extrémité d'un élément de support (15) ajustable en hauteur; en ce que lesdites tiges d'armature (9) de liaison saillent du bout inférieur (8) du pilier de dessus dans ladite cavité (4) pour s'étendre, à proximité des tiges d'armature noyées dans le pilier de dessous au moins sur la longueur minimale prévue par la réglementation sur les bati- ments en béton armé; en ce que ladite cavité (4) est juste assez profonde pour loger les tiges (9) saillant du pilier de dessus, les parois intérieures de ladite cavité (4) étant pourvues d'un ensemble de rainures horizontales pour améliorer l'adhérence du coulage de béton; et en ce que des tiges d'armature (10, 11) supplémentaires sont disposées, saillant dudit bout inférieur (8) du pilier de dessus et du fond de la cavité (4) pour former moyens de liaison pour un organe (19) d'ancrage mutuel entre les deux piliers superposés.
2. Structure de bâtiment selon la revendication 1, dans laquelle lesdits montants (3) sont au nombre de quatre et placés en correspondance des quatre angles du pilier (1), trois de ces montants (3) étant pourvus desdits éléments de support (15) ajustables en hauteur.
3. Structure de bâtiment selon la revendication 1, dans laquelle lesdits éléments de support (15) ajustables en hauteur sont constitués de vis à têtes arrondies coopérant avec des sièges métalliques (17) opposés, noyés dans le bout inférieur (8) du pilier.
4. Structure de bâtiment selon la revendication 1, dans laquelle le bout inférieur (8) du pilier est pourvu d'un siège pour loger le haut (13) du montant (3), qui n'est pas pourvu de l'élément de support (15) ajustable en hauteur.
5. Structure de bâtiment selon la revendication 1, dans laquelle le bout inférieur (8) des piliers est conformé comme une pyramide à sommet tourné vers le bas.
6. Structure de bâtiment selon la revendication 1, dans laquelle lesdites tiges d'armature (9) de liaison ont des surfaces à coefficient d'adhérence améliorié.
7. Structure de bâtiment selon la revendication 1, dans laquelle lesdites tiges d'armature (10, 11) supplémentaires formant moyens de liaison sont incurvées en oeillet et ledit élément d'ancrage (19) des piliers a la forme de tendeur à double vis avec des crochets d'attache.
8. Structure de bâtiment selon la revendication 1, dans laquelle lesdites poutres préfabriquées (7), à section sensiblement rectangulaire sont pourvues à leur partie inférieure d'une nervure longitudinale (21) pour supporter la dalle, et de ténons d'extrémité (6) pour le support et la fixation desdites poutres sur le pilier (1), et comportent de plus à l'extrémité une large encoche médiane (20), apte à permettre d'étendre des tiges transversales pour relier les poutres, lesdites tiges étant disposées sur le côté inférieur de ces poutres et traversant le pilier.
9. Structure de bâtiment selon la revendication 1, dans laquelle un tube d'alimentation et d'évent (22) est disposé pour remplir ladite cavité (4) d'un coulage de béton liant le pilier (1) et les poutres (7), ce tube reliant la surface du bout inférieur (8) du pilier à l'une des parois latérales de ce pilier, à proximité de ce bout.
10. Structure de bâtiment selon la revendication 1, comportant de surplus un élément de fondation (23) formant siège de support pour le premier pilier, ledit élément de fondation étant constitué d'un chevalet métallique, ayant une section transversale égale à celle du pilier, et étant pourvu à sa partie supérieure d'éléments du support (24) ajustables en hauteur, et de moyen de liaison pour un élément d'ancrage au pilier de dessus.
11. Structure de bâtiment selon la revendication 10, dans laquelle lesdits éléments de support (24) ajustables en hauteur sont constitués de quatre vis longues à tête arrondie.
EP82100763A 1981-02-13 1982-02-03 Structure de construction constituée d'éléments préfabriqués Expired EP0058851B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82100763T ATE15090T1 (de) 1981-02-13 1982-02-03 Baustruktur aus vorgefertigten elementen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19713/81A IT1135451B (it) 1981-02-13 1981-02-13 Sistema di costruzione,ad elementi prefabbricati,per strutture edilizie
IT1971381 1981-02-13

Publications (2)

Publication Number Publication Date
EP0058851A1 EP0058851A1 (fr) 1982-09-01
EP0058851B1 true EP0058851B1 (fr) 1985-08-21

Family

ID=11160597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82100763A Expired EP0058851B1 (fr) 1981-02-13 1982-02-03 Structure de construction constituée d'éléments préfabriqués

Country Status (6)

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EP (1) EP0058851B1 (fr)
AT (1) ATE15090T1 (fr)
DE (1) DE3265497D1 (fr)
ES (1) ES509543A0 (fr)
GR (1) GR75169B (fr)
IT (1) IT1135451B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2191384A1 (fr) * 1995-12-01 1997-06-02 Takeshige Shimonohara Elements de charpente et methode d'assemblage desdits elements
FR2800765B1 (fr) * 1999-11-08 2002-01-18 Eddie Gerard Vigon Dispositif de reglage simultane des hauteurs de clavetage et d'alignement des poutres et parois verticales en beton prefabrique.
ES2230964B1 (es) * 2002-11-18 2006-07-01 Jaime Enrique Jimenez Sanchez Procedimiento de fabricacion de pilar prefabricado de hormigon armado y pilar asi obtenido.
WO2005106157A1 (fr) * 2004-05-03 2005-11-10 Rocla Pty Ltd Colonne de construction
ES2288784B1 (es) * 2004-07-01 2008-12-16 Jose Antonio Alba Irurzun Sistema mejorado de pilar prefabricado.
IT1391215B1 (it) * 2008-09-30 2011-11-18 Avanzini Prefabbricati S P A Dispositivo di collegamento tra pilastri e travi prefabbricate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1241954A (fr) * 1958-11-14 1960-09-23 Gee Walker & Slater Ltd Perfectionnements aux systèmes de construction préfabriqués pour bâtiments
FR1380023A (fr) * 1964-01-08 1964-11-27 Procédé de construction d'ossatures porteuses en béton armé, à l'aide de poteaux et de poutres préfabriqués
DE1609296B1 (de) * 1966-12-15 1971-05-27 Deutsche Bauakademie Knotenpunktverbindung zwischen einem vorgefertigten Rahmenriegel und einer vorgefertigten Stuetze von Stahlbetonskelettkonstruktionen
AU3047667A (en) * 1967-11-28 1969-06-05 Dyna Structures Structural frames and methods and means therefor
FR1581473A (fr) * 1968-02-20 1969-09-19
CH576049A5 (fr) * 1973-11-26 1976-05-31 Hochtief Ag Hoch Tiefbauten

Also Published As

Publication number Publication date
DE3265497D1 (en) 1985-09-26
ATE15090T1 (de) 1985-09-15
ES8301306A1 (es) 1982-12-16
ES509543A0 (es) 1982-12-16
IT8119713A0 (it) 1981-02-13
IT1135451B (it) 1986-08-20
EP0058851A1 (fr) 1982-09-01
GR75169B (fr) 1984-07-13

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