EP1905909A2 - Vorrichtung zum festen Zusammenfügen von Fertigträgern und Fertigpfeilern - Google Patents

Vorrichtung zum festen Zusammenfügen von Fertigträgern und Fertigpfeilern Download PDF

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Publication number
EP1905909A2
EP1905909A2 EP07116594A EP07116594A EP1905909A2 EP 1905909 A2 EP1905909 A2 EP 1905909A2 EP 07116594 A EP07116594 A EP 07116594A EP 07116594 A EP07116594 A EP 07116594A EP 1905909 A2 EP1905909 A2 EP 1905909A2
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EP
European Patent Office
Prior art keywords
pillars
beams
metal
insert
inserts
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.)
Granted
Application number
EP07116594A
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English (en)
French (fr)
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EP1905909B1 (de
EP1905909A3 (de
Inventor
Piero Michelacci
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SICAP SpA
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Publication of EP1905909A3 publication Critical patent/EP1905909A3/de
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Publication of EP1905909B1 publication Critical patent/EP1905909B1/de
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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
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups

Definitions

  • the invention falls within the sector of multi-level framework building structures which are suitable for multi-functional use and are intended to withstand major overloads, including those of seismic origin, said structures being formed by prefabricated pillars made of - usually vibrated and precompressed - reinforced concrete and provided in the zones where they are connected to the beams, also made of ordinary or precompressed reinforced concrete, with corbels which then receive, resting on them, the ends of the said beams which finally support the sides of prefabricated honeycomb panels which are also made of reinforced concrete, for forming the floors.
  • the invention intends to overcome the limitations of the prior art with an apparatus according to Claim 1 and the subsequent dependent claims, which facilitates the correct arrangement in position of the beams on the support corbels of single-piece pillars of predefined height, owing to the presence of teeth and engaging seats on the mutually co-operating metal inserts of the two prefabricated components, which prevent undesirable movements of these components.
  • a further object of the invention consists in facilitating the arrangement in position of supplementary reinforcement irons which secure the horizontal and vertical connections of the beams to the pillars and in improving the results achieved with these connections, so as to obtain connection characteristics similar to those which are obtained in a multi-level framework building structure constructed on-site.
  • pillars, beams and floor sills are self-supporting and their installation does not require the temporary use of bracing members.
  • these components simply rest on each other. After positioning the necessary supplementary reinforcements and after performing on-site a supplementary casting, the said components are rigidly secured to each other.
  • the prefabricated side pillars 1 and the middle pillars 1' are single-piece and of predefined height for forming a framework with a predetermined number of levels and that, in the region of the floor sill of each level, the said pillars are provided integrally with laterally projecting parts which are arranged on one side, as indicated by 101 in Figure 1, in the case of the side pillars 1, whereas they are situated on both sides opposite each other, as indicated by 101' in Figure 2, in the case of the middle pillars 1' and form actual corbels reinforced by the special internal reinforcements 201 of the pillars which have a greater number of brackets in the linear direction close to the joint which comprises these corbels.
  • each corbel 101, 101' thereof receives, embedded therein, a metal insert A, as shown in Figure 5, which comprises a robust angle-piece 2 of suitable dimensions, which forms mainly the upper side and consecutive front side of the corbel 101, 101' and which has, welded internally and perpendicularly to its flanges, the ends of anchoring plates 3 which are positioned edgewise and are inserted to a considerable depth inside the body of the pillar 1,1' and which have intermediate holes 4 passed through by corresponding reinforcing irons 5 able to interact with the reinforcing irons of the said pillar so as to keep the aforementioned parts 2 and 3 firmly in position.
  • the anchoring plates 3 have an asymmetrical position with respect to the angle-piece 2 so that it is possible to use, in the corbels 101' of the middle pillars 1', inserts A with identical characteristics which, with the angle-pieces 2 in the centred position, carry the anchoring plates 3 arranged alongside each other, with the holes 4 mutually aligned, so as to be able to be anchored in the pillar with common reinforcing irons 5.
  • the insert A is completed by at least one pair of vertical holes 6 with a symmetrical arrangement on the top flange of the angle-piece 2, at a short distance from the sides of this angle-piece, which allow access with tie-rods described further below to the inner threaded part of metal bushes 7 welded underneath the said upper flange of the angle-piece 2.
  • a tooth 8 formed for example by a square metal block of suitable dimensions and described more fully below is longitudinally welded in the space between the said holes 6, on the visible side of the upper flange of the angle-piece 2.
  • a metal insert B which comprises a robust plate 9 which is able to form mainly the bottom side of the bottom end corner zone of the beam 10, which is visible and which has, welded longitudinally and at a short distance from its visible front edge, a tooth 11 formed for example also by a square metal block and having for example the same height as the block which forms the tooth 8 of the aforementioned insert A and which at the bottom is coplanar with the bottom side of the beam 10, such that, with respect to this side, the said plate 9 is suitably raised.
  • the plate 9 is anchored firmly to the beam 10 by means of a pair of anchoring plates 12, at one end of which the said plate is welded, these plates 12 being positioned edgewise and being provided with intermediate holes 13 passed through by reinforcing irons 14 which interact suitably with the internal reinforcement of the beam 10.
  • the ends of the plate 9 have, welded thereto, the bottom ends of metal tubular members 15 of equal height, for example with a rectangular cross-section, which with their bottom end project from the plate 9 so as to touch the ideal horizontal plane which contains the visible bottom side of the tooth 11 and the inner wall of this projecting bottom section of the tubes 15 is open as indicated by 16 in Figure 9, so as to establish a connection between the internal cavity of the said tubes and the chamber 17 which is situated underneath the plate 9 and which is defined, as well as by this plate, by the bottom section of the tubes 15, by the tooth 11 and, parallel to the latter, by a folded sheet-metal wall 18 welded at least to the bottom side of the plate 9.
  • the wall 18 has the same height as the tooth 11.
  • the tubes 15 have an interaxial distance substantially the same as that of the upper holes 6 in the insert A of the pillars.
  • the tooth 8 of the insert A of the corbels engages inside the aforementioned chamber 17 of the insert B of the beams and rests on the plate 9, while the tooth 11 of this plate rests on the upper flange of the angle-piece 2 of the insert A and this flange closes at the bottom the said chamber 17.
  • the holes 6 in the insert A are situated inside the bottom end of the tubes 15.
  • the beams 10 are anchored mechanically to the corbels 101, 101' of the pillars and are prevented from performing undesirable horizontal movements, so as to allow rapid and correct mounting of the prefabricated beams on the pillars 1, 1' which are fixed on-site, without the use of reinforcements or bracing members.
  • the tubes 15 receive, inserted in them, the threaded tie-rods 19 which, with one end, are screwed into the bushes 7 of the insert A and which, with the opposite - also threaded - end, project conveniently from the said tubes 15 into which a self-levelling, high-strength, expanding cement mortar 20 is subsequently injected, said mortar filling completely these tubes and saturating also the chamber 17 with the engaging teeth 8 and 11, thereby improving the strength of the joint and helping preserve over time all the metal components which form it, since they are completely embedded in the cement.
  • the mortar manages to withstand extremely high loads, which are substantially twice those which are usual for this type of product, since it is confined within a box-shaped structure of the metal system for supporting the beam, enabling the apparatus to absorb lower horizontal forces which allow it to counteract effectively the reverse moments which may occur during seismic events, providing a rigid and hyperstatic joint.
  • the tubes 15 are closed at the top by inserts 21 or with the holed end of reinforcing plates extending partly over the outer side of the beam 10 and then the said inserts 21 are fixed to the top end of the tie-rods 19 with nuts 22 and/or other suitable means.
  • the middle pillars 1' may have embedded therein, instead of the insert C according to Figure 3, oppositely arranged inserts C' as can be seen in Figure 4, said inserts comprising internally threaded bushes 125' for being able to screw in there the threaded bars 26 which co-operate with the upper reinforcements 110 of the beams 10, these bushes 125' being able to be connected to the reinforcements of the pillar by means of special anchoring irons 25'.
  • joint C which is very much simpler (see Figure 2) whereby the said joint is formed by corrugated sheet-metal tubes which are embedded transversely in the middle pillars so as to form therein through-holes inside which it is possible to secure, using expanding cement mortar and/or other suitable means, reinforcing bars 26 which project by equal amounts into the beams resting on the opposite corbels 101' of a same middle pillar 1'.
  • the strength of the beam-pillar connecting joint has to be increased, after checking that the pillar and beam are able to withstand the respective shearing and flexing stresses, steps are taken to increase proportionally the number of bushes and upper bars in the fixture along the outer side and the size of the teeth 8, 11 formed by the square opposition blocks on the supports of the inner side, all of which can be easily deduced also by means tests.
  • the plate 9 of the insert B of the beams may be replaced with an angle-piece so as to form also a frontal protection for the said beams, which is particularly useful for preventing damage thereto during transportation and arrangement in position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
EP07116594A 2006-09-21 2007-09-17 Vorrichtung zum festen Zusammenfügen von Fertigträgern und Fertigpfeilern Not-in-force EP1905909B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000649A ITBO20060649A1 (it) 2006-09-21 2006-09-21 Apparato per l'ancoraggio rigido tra travi prefabbricate portasolaio e pilastri prefabbricati, nelle costruzioni edilizie con intelaiatura pluripiano ed in cemento armato.

Publications (3)

Publication Number Publication Date
EP1905909A2 true EP1905909A2 (de) 2008-04-02
EP1905909A3 EP1905909A3 (de) 2008-04-09
EP1905909B1 EP1905909B1 (de) 2011-05-11

Family

ID=39025365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116594A Not-in-force EP1905909B1 (de) 2006-09-21 2007-09-17 Vorrichtung zum festen Zusammenfügen von Fertigträgern und Fertigpfeilern

Country Status (3)

Country Link
EP (1) EP1905909B1 (de)
AT (1) ATE509166T1 (de)
IT (1) ITBO20060649A1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008116448A3 (de) * 2007-03-23 2009-06-25 Frank Gmbh & Co Kg Max Stahlbetonkonstruktion für ein gebäude
CN102080353A (zh) * 2010-12-13 2011-06-01 中铁大桥局集团有限公司 一种可拆装式牛腿及其安装方法
ITRM20110632A1 (it) * 2011-11-29 2013-05-30 Buildesign S R L Trave strutturale perfezionata, sistema strutturale utilizzante tale trave perfezionata e metodo di realizzazione.
WO2014043826A1 (es) * 2012-09-21 2014-03-27 Soluciones Integrales De Reducción De Vibraciones Sistema y método de conexión viga-columna
CN110468967A (zh) * 2019-08-14 2019-11-19 中国建筑一局(集团)有限公司 超大超重预制外挂板与主体结构梁的连接节点及施工方法
CN110565799A (zh) * 2019-08-30 2019-12-13 浙江中清大建筑产业化有限公司 一种用于防震的装配式混凝土梁柱连接方法
US10794053B2 (en) * 2016-10-17 2020-10-06 South China University Of Technology Reinforced compound concrete beam-column joint containing demolished concrete lumps and a construction method
CN111764505A (zh) * 2020-06-28 2020-10-13 湖北省建工第二建设有限公司 混凝土预制梁与现浇柱的连接结构及其施工方法
CN116950260A (zh) * 2023-07-19 2023-10-27 江苏科技大学 一种钢结构体系及预制装配方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100010508A1 (it) * 2021-04-26 2022-10-26 Geoplast Spa Sistema di elementi modulari per la realizzazione di solai nervati sopraelevati e/o aerati

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398812A1 (de) 1989-05-19 1990-11-22 Logicia Verbindung eines waagerechten Trägers mit einer senkrechten Stütze
FR2756305A1 (fr) 1996-11-22 1998-05-29 Knauf Plancher en beton a entrevous legers et resistants

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1039126A (en) * 1963-11-21 1966-08-17 John Laing Res And Dev Ltd Improvements in joints between structural members
DE19952594B4 (de) * 1999-11-02 2008-11-27 Halfen Gmbh Auflager für ein Stahlbeton-Fertigbauteil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398812A1 (de) 1989-05-19 1990-11-22 Logicia Verbindung eines waagerechten Trägers mit einer senkrechten Stütze
FR2756305A1 (fr) 1996-11-22 1998-05-29 Knauf Plancher en beton a entrevous legers et resistants

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008116448A3 (de) * 2007-03-23 2009-06-25 Frank Gmbh & Co Kg Max Stahlbetonkonstruktion für ein gebäude
CN102080353A (zh) * 2010-12-13 2011-06-01 中铁大桥局集团有限公司 一种可拆装式牛腿及其安装方法
CN102080353B (zh) * 2010-12-13 2012-09-05 中铁大桥局集团有限公司 一种可拆装式牛腿及其安装方法
RU2623374C2 (ru) * 2011-11-29 2017-06-26 Л.Е.Р. С.Р.Л. Усовершенствованная конструкционная балка, строительная система, использующая указанную усовершенствованную балку, и способ конструирования
WO2013080235A3 (en) * 2011-11-29 2013-07-25 Buildesign S.R.L. A wooden constructural beam having hook like anchor elements and construction method
ITRM20110632A1 (it) * 2011-11-29 2013-05-30 Buildesign S R L Trave strutturale perfezionata, sistema strutturale utilizzante tale trave perfezionata e metodo di realizzazione.
RU2623374C9 (ru) * 2011-11-29 2017-09-22 Л.Е.Р. С.Р.Л. Усовершенствованная конструкционная балка, строительная система, использующая указанную усовершенствованную балку, и способ конструирования
WO2014043826A1 (es) * 2012-09-21 2014-03-27 Soluciones Integrales De Reducción De Vibraciones Sistema y método de conexión viga-columna
US10794053B2 (en) * 2016-10-17 2020-10-06 South China University Of Technology Reinforced compound concrete beam-column joint containing demolished concrete lumps and a construction method
CN110468967A (zh) * 2019-08-14 2019-11-19 中国建筑一局(集团)有限公司 超大超重预制外挂板与主体结构梁的连接节点及施工方法
CN110468967B (zh) * 2019-08-14 2024-02-09 中国建筑一局(集团)有限公司 超大超重预制外挂板与主体结构梁的连接节点及施工方法
CN110565799A (zh) * 2019-08-30 2019-12-13 浙江中清大建筑产业化有限公司 一种用于防震的装配式混凝土梁柱连接方法
CN111764505A (zh) * 2020-06-28 2020-10-13 湖北省建工第二建设有限公司 混凝土预制梁与现浇柱的连接结构及其施工方法
CN116950260A (zh) * 2023-07-19 2023-10-27 江苏科技大学 一种钢结构体系及预制装配方法

Also Published As

Publication number Publication date
EP1905909B1 (de) 2011-05-11
ITBO20060649A1 (it) 2008-03-22
ATE509166T1 (de) 2011-05-15
EP1905909A3 (de) 2008-04-09

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