EP1528173A2 - Plancher précontraint à dalles de plancher creuses - Google Patents

Plancher précontraint à dalles de plancher creuses Download PDF

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Publication number
EP1528173A2
EP1528173A2 EP04025358A EP04025358A EP1528173A2 EP 1528173 A2 EP1528173 A2 EP 1528173A2 EP 04025358 A EP04025358 A EP 04025358A EP 04025358 A EP04025358 A EP 04025358A EP 1528173 A2 EP1528173 A2 EP 1528173A2
Authority
EP
European Patent Office
Prior art keywords
ceiling
hollow
prestressed
slabs
prestressed flat
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
EP04025358A
Other languages
German (de)
English (en)
Other versions
EP1528173B1 (fr
EP1528173B8 (fr
EP1528173A3 (fr
Inventor
Hermann Rudolph
Thomas Friedrich
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.)
Friedrich Thomas
RUDOLPH, HERMANN
Original Assignee
Individual
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Filing date
Publication date
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Publication of EP1528173A2 publication Critical patent/EP1528173A2/fr
Publication of EP1528173A3 publication Critical patent/EP1528173A3/fr
Publication of EP1528173B1 publication Critical patent/EP1528173B1/fr
Application granted granted Critical
Publication of EP1528173B8 publication Critical patent/EP1528173B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Definitions

  • the invention relates to a prestressed flat ceiling with hollow ceiling panels and a process for their preparation according to the preamble of patent claim 1.
  • the invention is therefore the object of a prestressed flat ceiling after the CH 535 878 educate so that they with substantially low Basis weight and lower production costs can be made.
  • the invention is characterized in that that the flat slab consists of individual with their long sides (in Y direction) abutting hollow ceiling slabs which are in the direction of their Longitudinal extent (in the X direction) in a prestressed, in situ concrete manufactured belt strips are integrated.
  • the hollow ceiling panels are cheaper overall than poured Finished ceiling elements and have a much lower basis weight.
  • the ceiling system according to the invention is about 50% lighter than monolithic ceilings.
  • monolithically produced ceilings For example, prefabricated ceilings are used at the construction site corresponding in-situ concrete poured out.
  • a conventional prefabricated ceiling system of a length of, for example, 8 x 8 meters requires an in-situ concrete quantity of about 19 m 3 to produce the precast ceiling element, which in the final state has a thickness of, for example, 30 cm.
  • the invention provides, based on an area of 8 x 8 m only a relatively thin hollow ceiling slab with a thickness of 2 x 7 cm too use, which preferably consists of two spaced-apart shells, these shells only from a low quality concrete, such as the Goodness B25, insist.
  • Such a lightweight and low-building hollow ceiling slab is with her Narrow side with each adjoining hollow ceiling slab on the in In-situ concrete bonded belt strips connected.
  • the belt strip is a higher-quality in-situ concrete, for example used in grade B80 and with the tensioning cables according to the invention prestressed so as to distribute the support forces in one direction.
  • the ceiling system according to the invention requires only for the production of the belt strip a higher quality concrete, eg grade B80, with an amount of only 2.1 m 2 .
  • the ceiling system is also applicable as a multi-field carrier.
  • Another advantage of the invention is that because of the use of Hollow ceiling panels now for the first time the possibility exists, over completely continuous ceiling lengths and widths installations and insulating material in the To bring flat ceiling.
  • the necessary Construction refers to the pouring of in-situ concrete to form the relatively narrow belt strips, for example, 40 cm wide. It does not need one large-scale concreting work and the associated large scarf Support work more.
  • the load capacity can be adjusted Also make sure with a limp armor. Only from a span of I > 8 m, a preload is required and from a span of I> 10.0 absolutely necessary.
  • the hollow ceiling slabs with the already in the precast plant inlaid limp reinforcement have a scope of up to approx. 8m span. Are in this direction larger spans than about 8m too overcome, the slack reinforced hollow ceiling slabs to one Prestressing reinforcement added. It uses the gap between the individual Plate strip within which a tensioning cable must be placed locally.
  • tension cables intersect the belt strip of in-situ concrete and lead i.d.R. above several fields.
  • concentrated bias voltage is called the regular Distance in the joints arranged tensioning cable as a distributed bias.
  • the flat ceiling 1 consists of the X-Y grid laid hollow ceiling panels 2, 3, each abutting one another on the longitudinal side. she form longitudinally a joint area 32, which is closed on site.
  • the front side are in the X direction to each other continuing Hollow ceiling panels 2, 3 via belt strips 4, 5 interconnected.
  • the Belt strips 4, 5 are made of in-situ concrete at the construction site.
  • supports 6 are arranged at a mutual distance.
  • the reinforcement plant produced in this way is cast with in-situ concrete according to FIG. 3, wherein on the underside of the abutting hollow ceiling panels 2, 3 a Heidelbergisch 7 is created.
  • FIG. 5 shows that the tensioning devices laid in the belt strip 4, 5 are shown in FIG consist essentially of cladding tubes 8, which are at a mutual distance are arranged in a grid pattern to each other, each cladding tube from a Plastic or metal shell is made and in the interior one or more Clamping cables 9 are arranged.
  • This tension cable 9 can be made of a cable-shaped metal or a Be plastic material. It is also possible to use (multicore) stranded cables become.
  • each hollow ceiling slab 2, 3 consists of a lower shell 10 Concrete.
  • the lower shell 10 are in a conventional manner Reinforcing iron or mats arranged.
  • the rebars are in the form of spaced apart Reinforcing rods 11 several times from the material of the lower shell 10th led out and reach the area of the respective belt strip 4, 5, according to FIG. 7.
  • the end 12 of the respective reinforcing rod 11 engages in the free space into it, which later forms the belt strip 4, 5.
  • the upper shell 13 is formed, each in turn a plurality of reinforcing bars 14, which also in the X direction run and their free ends 15 in turn intervene in the gap, which later forms the belt strip 4, 5.
  • the space between the lower and the upper shell 10, 13 of the respective hollow ceiling slab 2, 3 is, for example, with an insulating material 16th filled.
  • FIG. 6 also indicates that lattice girder 17 is arranged in the intermediate space are, with their upper and lower ends in the respective shells 10, 13th are cast in order to ensure a static surface load capacity.
  • Each reinforcing cage 18, 23 consists of a grid mesh that extends longitudinally the entire length of the respective belt strip 4, 5 extends and as a loose Part is spent at the construction site. There it will be in the space between the adjoining hollow ceiling panels 2, 3 inserted.
  • the outer reinforcement cage 18 is made up of a plurality of ones mutual spaced U-shaped rods 19, in the X direction are connected by longitudinal bars.
  • Each U-bar 19 consists of an upper horizontal leg 20 which in a Vertical leg 21 passes, which in turn into a lower horizontal Base leg 22 passes.
  • the U-bar 19 is exactly mirror-symmetrical with respect to a longitudinal center line, so that the outer reinforcement cage 18, the two end faces of Hollow ceiling panels 2 and the protruding ends 12, 15 of the Reinforcing rods 11, 14 interconnected.
  • a smaller, inner reinforcement cage 23 is provided, which, in turn, consists of a large number of mutually parallel ones consists of mutually arranged U-rods.
  • Each U-bar has an upper horizontal leg 24, which in a Vertical leg 25 and this merges into a horizontal leg 26.
  • the above reinforcing baskets 18, 23 with their rods are about corresponding longitudinal bars 27 connected to each other.
  • FIG. 8 schematically shows the arrangement of the tensioning device as it is was explained with reference to FIG. It consists of the parabolic laid Cladding tubes 8 with the tensioning cables 9 arranged therein, as shown in FIG. 5 is shown.
  • the respective cladding tube 8 is connected via cable holder 31 with the respectively assigned Reinforcement cage 18, 23 connected. It will be in the direction of its longitudinal extension wave or parabolic laid, as shown in Figure 8 is shown.
  • the invention is not based on the use of hollow ceiling panels 2, 3 limited. It can also all other known ceiling systems instead of the Hollow ceiling panels 2, 3 are used. These are for example local folded solid ceilings, slack animated or prestressed hollow floorboards, Element ceilings, bubble latch systems and so on.
  • FIG. 9 shows a section through such as an exemplary embodiment Embodiment of a flat ceiling, consisting of element plates, in turn from a concrete shell with a thickness of about 5 to 8 cm and incorporated therein Lattice girders, which determine the rigidity of these element plates for transport and ensure the assembly.
  • Figures 11 and 12 show as another embodiment, the use of so-called wing-ceiling elements in conjunction with the Flat cover according to the invention.
  • the wing cover element consists of a narrower shell of about 5 to 8 cm and piecewise attached thereto stronger shell elements, the material integral with the narrower shell elements are connected and have the corresponding weight saving reasons cavities.
  • the Thickness of the larger shell elements corresponds to the thickness of the finished ceiling.
  • Such wing ceiling elements are also spent at the site and poured with in-situ concrete and in the manner previously described with the high-strength prestressed in-situ concrete strips connected.
  • Bubbledeck elements consist of a narrow shell of about 6 to 8 cm thickness, such an element in the consists essentially of the element plates shown in FIGS. 9 and 10, in the space corresponding hollow body were inserted.
  • Hollow bodies consist of round plastic hollow bodies which are filled with air and the corresponding weight savings when pouring in-situ concrete should provide.
  • this ceiling element is like the previously described ceiling elements connected to the high-strength prestressed in-situ concrete strip.
  • a prestressed concrete hollow plate consists of two at a distance from each other arranged flat ceilings with a thickness of about 6 to 8 cm each and Connecting webs that form intervening cavities.
  • the cut according to the line A-A in Figure 15 is a section through a cavity, so that So outside of this cavity, the connecting webs 35 (see also Figure 18) between the upper plate shell and the lower plate shell available.
  • Such a prestressed concrete hollow plate is in the previously described Way connected to the high-strength prestressed in-situ concrete strip.
  • FIG. 17 shows that in addition to the bias in the main direction (in Figure 17 in horizontal Direction- arrow 33) also a perpendicular thereto extending bias in the secondary direction (in Figure 17 in the vertical direction - arrow 34) can be made.
  • the hollow ceiling slabs 2, 3 with the already inserted in the precast plant flaccid Reinforcement have a range of up to approx. 8m wingspan. are in this direction to overcome larger spans than about 8m, so are the limp reinforced hollow ceiling slabs 2, 3 supplemented by a prestressing reinforcement.
  • It uses the joint 32 between the individual plate strips, within the locally a tensioning cable, consisting of a cladding tube 9 with there inserted Steel ropes 9, insert is. This is shown in Figure 18, wherein from Figure 19 to can be seen how the inserted in the joint area steel rope on average is designed. It consists of a cladding tube 8, which has a number of Clamping cables 9 encloses.
  • the table in FIG. 20 gives an overview of the possible type of reinforcement different spans. Due to different span ratios All combinations are limp-reinforced and harnessed possible. From the execution is possible a short span for the Belt strips 4, 5 and a large span for the hollow ceiling slab and vice versa. Accordingly, the short span would be flabby reinforced and the large span biased performed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Floor Finish (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Building Environments (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (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)
EP04025358A 2003-10-27 2004-10-26 Plancher précontraint à dalles de plancher creuses Active EP1528173B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10350082 2003-10-27
DE10350082A DE10350082B4 (de) 2003-10-27 2003-10-27 Vorgespannte Flachdecke mit Hohldeckenplatten

Publications (4)

Publication Number Publication Date
EP1528173A2 true EP1528173A2 (fr) 2005-05-04
EP1528173A3 EP1528173A3 (fr) 2007-05-30
EP1528173B1 EP1528173B1 (fr) 2010-06-02
EP1528173B8 EP1528173B8 (fr) 2011-02-02

Family

ID=34399564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04025358A Active EP1528173B8 (fr) 2003-10-27 2004-10-26 Plancher précontraint à dalles de plancher creuses

Country Status (3)

Country Link
EP (1) EP1528173B8 (fr)
AT (1) ATE470027T1 (fr)
DE (2) DE10350082B4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2096220A1 (fr) * 2008-02-28 2009-09-02 Thomas Friedrich Elément de plaques creuses préconstraintes
EP2787140A1 (fr) 2013-04-04 2014-10-08 Ed. Züblin AG Plafond plat en structure composite bois-béton et procédé de fabrication d'un tel plafond plat
FR3033583A1 (fr) * 2015-03-09 2016-09-16 Vinci Construction France Procede de fabrication de batiments a usage reversible en habitation ou en bureaux
CN112726424A (zh) * 2021-02-01 2021-04-30 广西路建工程集团有限公司 混凝土顶板底模先支架后模板拆卸方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108678248A (zh) * 2018-07-12 2018-10-19 广州大学 一种模块化单元横向连接结构及其施工工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH535878A (de) 1971-12-31 1973-04-15 Stahlton Ag Vorgespannte Betonflachdecke
DE20103059U1 (de) 2001-02-21 2001-05-10 Maack Peter Decke in Gebäuden

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484052A1 (de) * 1964-07-24 1968-12-12 Simons Dr Ing Franz Vierseitig gelagerte Stahlbetonhohlplatte
FR2058768A5 (fr) * 1969-09-25 1971-05-28 Sommerard Henri
ATE8804T1 (de) * 1981-03-13 1984-08-15 Spanstaal Baukonstruktion.
US4443985A (en) * 1981-08-31 1984-04-24 Jaime Moreno Composite building construction comprising a combination of precast and poured-in-place concrete
NZ225353A (en) * 1987-07-15 1990-09-26 Mohammad Hossein Shamsai Prestressed concrete hollow-core beam unit
GB2249329B (en) * 1990-11-02 1995-05-24 Mohammad Hossein Shamsai Beam/flooring system
IT1266784B1 (it) * 1993-11-09 1997-01-21 Dlc Srl Solaio industriale prefabbricato
JP3212447B2 (ja) * 1994-07-19 2001-09-25 積水化成品工業株式会社 一部に薄い部分を設けた中空スラブ構造およびその施工法
US7083515B2 (en) * 1999-09-07 2006-08-01 Speedfam-Ipec Corporation Clean room facility and construction method
DE10035960A1 (de) * 2000-07-24 2002-02-21 Klebl Gmbh Betonfertigteilsystem zur Herstellung von Decken als auch zur Herstellung von Gebäuden sowie Decke als auch Gebäude hergestellt mit einem solchen Betonfertigteilsystem
DE20215502U1 (de) * 2002-10-05 2003-01-30 Dywidag Systems Int Gmbh Stahl-Verbund-Konstruktion für Geschossdecken

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH535878A (de) 1971-12-31 1973-04-15 Stahlton Ag Vorgespannte Betonflachdecke
DE20103059U1 (de) 2001-02-21 2001-05-10 Maack Peter Decke in Gebäuden

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2096220A1 (fr) * 2008-02-28 2009-09-02 Thomas Friedrich Elément de plaques creuses préconstraintes
EP2787140A1 (fr) 2013-04-04 2014-10-08 Ed. Züblin AG Plafond plat en structure composite bois-béton et procédé de fabrication d'un tel plafond plat
FR3033583A1 (fr) * 2015-03-09 2016-09-16 Vinci Construction France Procede de fabrication de batiments a usage reversible en habitation ou en bureaux
FR3033587A1 (fr) * 2015-03-09 2016-09-16 Vinci Construction France Procede de fabrication de batiments a usage reversible en habitation ou en bureaux
CN112726424A (zh) * 2021-02-01 2021-04-30 广西路建工程集团有限公司 混凝土顶板底模先支架后模板拆卸方法

Also Published As

Publication number Publication date
DE502004011231D1 (de) 2010-07-15
EP1528173B1 (fr) 2010-06-02
DE10350082A1 (de) 2005-06-02
ATE470027T1 (de) 2010-06-15
EP1528173B8 (fr) 2011-02-02
DE10350082B4 (de) 2007-02-22
EP1528173A3 (fr) 2007-05-30

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