EP2096220A1 - Elément de plaques creuses préconstraintes - Google Patents

Elément de plaques creuses préconstraintes Download PDF

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Publication number
EP2096220A1
EP2096220A1 EP09002839A EP09002839A EP2096220A1 EP 2096220 A1 EP2096220 A1 EP 2096220A1 EP 09002839 A EP09002839 A EP 09002839A EP 09002839 A EP09002839 A EP 09002839A EP 2096220 A1 EP2096220 A1 EP 2096220A1
Authority
EP
European Patent Office
Prior art keywords
plate
web
hollow plate
hollow
plate element
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
EP09002839A
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German (de)
English (en)
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EP2096220B1 (fr
Inventor
Thomas Friedrich
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Individual
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Individual
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Publication of EP2096220A1 publication Critical patent/EP2096220A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • 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
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • 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
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/20—Concrete, stone or stone-like material
    • E01D2101/24—Concrete
    • E01D2101/26—Concrete reinforced
    • E01D2101/28—Concrete reinforced prestressed

Definitions

  • the invention relates to a method for producing a hollow plate element with a large span and low height and a hollow plate element produced by the method.
  • An initially mentioned hollow plate member is connected to the subject of DE 103 50 082 A1 known.
  • a prestressed flat ceiling with hollow ceiling panels In the space between a relatively thin upper and lower plate in this case belt strips were poured concrete, in the inner area of a number of tensioning cables were laid. The tension cables were waved over the longitudinal axis of the belt strips and thus incorporated into the concrete of the belt strips.
  • the method was in the known document DE 103 50 082 A1 the disadvantage that the belt strip with the inserted there and wavy out Clamping cables had to be made at the site of the site, which was associated with a high production cost at the site.
  • the invention is therefore based on the object, a hollow plate element according to the subject of the DE 103 50 082 A1 so educate that with improved processability, a greater span can be achieved with the same or even lower basis weight.
  • the invention is characterized by a method according to the subject of claim 1.
  • a hollow plate element according to the invention is characterized in that a plurality of mutually spaced and mutually parallel web plates are arranged in the space between an upper and a lower plate, parallel to the longitudinal direction of the tension cables are laid, wherein each tensioning cable is connected at one end via an anchor body with the respective web plate, while the opposite end of the tensioning cable is connected via another anchor body with the end of the web plate lying there.
  • the invention is not dependent on the web plates extending over the entire length of the hollow plate elements. Although this is a preferred embodiment of the invention. In another embodiment of the invention however, it is provided that the web plates are only partially present and in particular only at the respective end faces of the hollow plate elements are arranged and then only only a maximum of twice in the region of the deflection, where the clamping force of the respective tensioning cable is introduced into the cross section of the lower plate.
  • the arranged in the central region web plates then serve as Umlenksattel for the introduction of the laid in the bow or belly tensioning cable in the cross section of the lower plate.
  • a substantially improved hollow plate element is achieved for the first time, because with such a lightweight construction, it is now possible to achieve spans of over 16 m, with a hollow plate element has a length of 16 m and a width of 3.50 m.
  • Each plate of this sandwich construction (upper and lower plate) in this case has a preferred thickness of z. B. 10 cm.
  • the gap is then in this embodiment about 20 cm.
  • the sandwich panels consisting of two parallel thin concrete slabs and their selective connection via steel elements (profiles or web plates) are manufactured industrially.
  • a plate is produced together with the steel elements.
  • the tensioning cable is already fixed along the web plate and fastened with the anchor bodies on the anchor plate.
  • the first plate After the first plate has already hardened, it is immersed in the concrete of the second plate. After hardening of this shell, the sandwich cross-section is completely made. Now, the clamping force can be applied to the respective clamping cable and anchored at the end of the component.
  • the structure of the hollow plate element according to the invention is as follows:
  • Single web plates connect the top and bottom panels of the sandwich construction to transfer the thrust.
  • a bias is arranged without composite (with monostrand tendons).
  • the web plates provide the ideal conditions for the attachment of possible deflection saddles and for the anchoring elements.
  • the Monolitzenspanglieder are guided parallel or trapezoidal along the bridge.
  • the bias occurs after the two plates are bonded together and cured.
  • the clamping force is introduced into the web and then on the web plates in the concrete slabs.
  • Umlenksattel At the entry points of the tensioning cable in the cross section of the lower plate so-called Umlenksattel are present to initiate the clamping forces of the cable in the cross section of the lower plate.
  • Such web plates do not necessarily consist of a metal element. They can also be made as a concrete element or as a plastic element or fiberglass concrete. Likewise, any composite body made of concrete and metal can be used.
  • a web plate extending over the entire length of the hollow panel element it expediently has perforations and recesses at specific locations in order to allow passage of installation tubes and cables therethrough.
  • this hollow plate element is statically defined at rest and has no deflection and then only has to absorb the resulting traffic load deflection.
  • the web elements according to the invention are then provided.
  • the force is transmitted from the upper plate to the lower and both are thus evenly loaded and protected by the bias of the tensioning cable against deflection.
  • FIG. 1 consists of the hollow plate element 1 of two spaced apart and mutually parallel plates 11, 12, wherein in FIG. 1 the top view on the upper plate 11 is shown. It can be seen that in the central region of the hollow plate element 1, two mutually parallel and mutually spaced clamping cables 2 are guided, in the central region of a likewise parallel guided web plate 3 is guided.
  • FIG. 2 shows that with the help of a filling body 4, the connection to the adjacent hollow plate element 1 is achieved.
  • the hollow plate member 1 has in the space between the upper and lower plates 11, 12 cavities 5, in which, for example, an insulation 8 is laid. In this cavity 5 and common installation cables, heating and cooling pipes and the like are laid. Likewise, it is provided to lay in the cross section of the lower plate 12 and heating or cooling lines.
  • a web plate 3 is laid, which consists essentially of a double-T cross-section.
  • This web plate 3 has a vertical leg 34, which extends over a first preferred embodiment over the entire length of the hollow plate element 1.
  • this web plate 3 is only partially available.
  • a number of head bolts 6 are fixed, each having a head 29 of enlarged cross-section at their outer free ends.
  • the head bolts 6 are preferably made of a metal material, as well as the vertical leg 34 of the web plate. 3
  • the head bolts are then in this case preferably secured with a weld on the vertical leg 34 of the web plate 3.
  • Purpose of this head bolt 6 is to provide a positive connection between the upper plate 11 and the lower plate 12 via the vertical leg 34 of the web plate 3, which is laid in the illustrated embodiment in the region of a concrete web 7.
  • this concrete web 7 can also be omitted to achieve an even lower basis weight.
  • tensioning cable 2 are each received at the ends of the hollow plate elements 1 in anchor bodies 10.
  • Each anchor body 10 consists of the anchor plate 19, through which the cable outline 21, consisting of individual strands 25 is passed. These strands 25 are guided beyond the anchor plate 19 by an anchor bushing 16, deflected there in an arc and engage through a fixing plate 17 and are anchored in a cone receptacle 18. In this way, there is an immovable fixing of the strands 25 of the tensioning cable 2 in the anchor bushing sixteenth
  • the adjustment of the bias voltage to the tensioning cable 2 takes place when the two plates are connected and cured according to the specified method. It is then handled with a corresponding pulling tool on the backward strands 25 and the strands are high Tensile force stretched along its longitudinal direction, then turned over and anchored in the cone seat 18 of the anchor plate 16.
  • FIGS. 3 and 4 show that the hollow plate member 1 rests at its ends in each case by a construction designed as a double support 13 construction.
  • the concrete web 7 is attached in order to enclose the web plate 3 with the anchor bodies 10 arranged thereon on the front, the cable outline 21 of the anchor body 10 is still surrounded by a helical reinforcement 20 in order to absorb splitting tensile forces.
  • FIG. 4 Incidentally, it can be seen that the upper edge 23 of the web plate 3 does not extend to the outer edge of the upper plate 11, and also the lower edge 22 of the web plate does not extend to the bottom of the lower plate 12.
  • This space is covered with concrete and in the area of the upper and lower plates are according to FIG. 7 Longitudinal and transverse reinforcements 26, 27 arranged.
  • FIG. 7 also shows that in the lower plate heating cables 28 are arranged, which can be traversed by a heating or a cooling medium.
  • FIG. 3 shows the basic principle of the invention, from which it can be deduced that essentially the tensioning cable assumes a trapezoidal shape 33 when it is introduced into the lower plate, wherein deflecting saddles 32 are preferably provided at the deflection points 31 in the region of the lower plate, which guides the cable guide of the tensioning cable 2 take there and thus provide the desired trapezoidal shape 33.
  • the bias voltage is - as stated in the general description part - adjusted so that there is a zero deflection of the unloaded hollow plate elements 1.
  • the arranged in the space between the upper and lower plate web plates 3 then need only record the traffic-related load and deflection of the hollow plate elements 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Bridges Or Land Bridges (AREA)
  • Panels For Use In Building Construction (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
EP09002839A 2008-02-28 2009-02-27 Elément de plaques creuses préconstraintes Active EP2096220B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008011689A DE102008011689A1 (de) 2008-02-28 2008-02-28 Hohlplattenelement mit großer Spannweite und niedriger Höhe

Publications (2)

Publication Number Publication Date
EP2096220A1 true EP2096220A1 (fr) 2009-09-02
EP2096220B1 EP2096220B1 (fr) 2011-04-13

Family

ID=40749821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09002839A Active EP2096220B1 (fr) 2008-02-28 2009-02-27 Elément de plaques creuses préconstraintes

Country Status (3)

Country Link
EP (1) EP2096220B1 (fr)
AT (1) ATE505599T1 (fr)
DE (2) DE102008011689A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115338973B (zh) * 2022-09-08 2023-07-14 山东大学 一种钢肋混凝土上翼缘板的正向制作设备及制作方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB650634A (en) * 1948-06-11 1951-02-28 Ariosto Semeraro Improved method of erecting houses or other structures from prefabricated elements
FR2610656A1 (fr) * 1987-02-11 1988-08-12 Citra Dispositif pour guider les cables de precontrainte d'un ouvrage de genie civil
WO2002090660A1 (fr) * 2001-05-04 2002-11-14 Dae-Yon Won Poutre triangulee composite precontrainte et son procede de construction
EP1350898A1 (fr) 2000-05-16 2003-10-08 Jaime Enrique Jimenez Sanchez Procede de fabrication d'une plaque alveolaire legere materialisee en chantier, plaque ainsi obtenue et son application dans des logements
WO2004020761A1 (fr) * 2002-08-28 2004-03-11 Pellicer Carlos F Panneau leger de façade pour la construction, ses moyens de fabrication et d'installation et son procede de fabrication et d'utilisation
EP1405961A1 (fr) * 2002-10-05 2004-04-07 Dywidag-Systems International GmbH Structure en acier-béton pour dalles de plancher
EP1528173A2 (fr) * 2003-10-27 2005-05-04 Hermann Rudolph Plancher précontraint à dalles de plancher creuses
EP1790789A1 (fr) 2005-11-28 2007-05-30 Bartoli N.V. Système de construction, poutre, colonne et méthode

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB650634A (en) * 1948-06-11 1951-02-28 Ariosto Semeraro Improved method of erecting houses or other structures from prefabricated elements
FR2610656A1 (fr) * 1987-02-11 1988-08-12 Citra Dispositif pour guider les cables de precontrainte d'un ouvrage de genie civil
EP1350898A1 (fr) 2000-05-16 2003-10-08 Jaime Enrique Jimenez Sanchez Procede de fabrication d'une plaque alveolaire legere materialisee en chantier, plaque ainsi obtenue et son application dans des logements
WO2002090660A1 (fr) * 2001-05-04 2002-11-14 Dae-Yon Won Poutre triangulee composite precontrainte et son procede de construction
WO2004020761A1 (fr) * 2002-08-28 2004-03-11 Pellicer Carlos F Panneau leger de façade pour la construction, ses moyens de fabrication et d'installation et son procede de fabrication et d'utilisation
EP1405961A1 (fr) * 2002-10-05 2004-04-07 Dywidag-Systems International GmbH Structure en acier-béton pour dalles de plancher
EP1528173A2 (fr) * 2003-10-27 2005-05-04 Hermann Rudolph Plancher précontraint à dalles de plancher creuses
EP1790789A1 (fr) 2005-11-28 2007-05-30 Bartoli N.V. Système de construction, poutre, colonne et méthode

Also Published As

Publication number Publication date
DE102008011689A1 (de) 2009-12-10
DE502009000516D1 (de) 2011-05-26
ATE505599T1 (de) 2011-04-15
EP2096220B1 (fr) 2011-04-13

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