EP0617180A2 - Produits pour la réalisation de planchers comprenant des éléments de caissons d'allégement et planchers réalisés grâce à de tels produits - Google Patents

Produits pour la réalisation de planchers comprenant des éléments de caissons d'allégement et planchers réalisés grâce à de tels produits Download PDF

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Publication number
EP0617180A2
EP0617180A2 EP94104407A EP94104407A EP0617180A2 EP 0617180 A2 EP0617180 A2 EP 0617180A2 EP 94104407 A EP94104407 A EP 94104407A EP 94104407 A EP94104407 A EP 94104407A EP 0617180 A2 EP0617180 A2 EP 0617180A2
Authority
EP
European Patent Office
Prior art keywords
lightening
floor
box
elements
products according
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.)
Withdrawn
Application number
EP94104407A
Other languages
German (de)
English (en)
Other versions
EP0617180A3 (fr
Inventor
Delmo Maffezzoni
Filiberto Muccioli
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.)
ONDAPLAST SpA
Original Assignee
ONDAPLAST SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ONDAPLAST SpA filed Critical ONDAPLAST SpA
Publication of EP0617180A2 publication Critical patent/EP0617180A2/fr
Publication of EP0617180A3 publication Critical patent/EP0617180A3/fr
Withdrawn legal-status Critical Current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
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
    • 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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
    • 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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element

Definitions

  • the invention relates to prefabricated floors, known as lattice slab floors. These products consist of a thin reinforced concrete slab in which are embedded the lower structures of the metal lattices, parallel to and equidistant from each other, in numbers variable according to the dimensions of the slab.
  • lattice slab floors These products consist of a thin reinforced concrete slab in which are embedded the lower structures of the metal lattices, parallel to and equidistant from each other, in numbers variable according to the dimensions of the slab.
  • polystyrene blocks which, when the floor is in use, have a lightening function, replacing the concrete where this is not required to perform important static functions.
  • polystyrene has many disadvantages which may be summarized as follows. When used at high density, polystyrene is unacceptably expensive, and is undesirable because of the effects on fire safety owing to the considerable mass exposed to combustion.
  • polystyrene inserts When used at low density, as is normally the case, it absorbs water which it then releases over an indefinite period, with serious damage to the plaster and any other elements associated with the floor.
  • the polystyrene inserts have low mechanical strength, and may therefore fracture, thus changing the designed floor dimensions, while parts of these inserts may fall between the lattices and compromise the quality of the casting ribs. Owing to the considerable volume of the polystyrene blocks, these are expensive to transport to the site of use and present storage problems. Over a period, polystyrene waste causes considerable problems of a functional, aesthetic and ecological nature, especially since it is difficult to dispose of or reclaim.
  • the invention is intended to overcome these restrictions and disadvantages of the prior art with the following idea for a solution.
  • the lightening elements disposed on the floors consist of box elements made from cellular sheets of polypropylene and/or other suitable plastic materials, filled if necessary, which have considerable mechanical strength, which do not absorb water, and which in case of fire have a limited mass exposed to the flame and do not evolve toxic gases.
  • the sheets of this material are prepared by the manufacturer with suitable shapes and dimensions, with ribs and with cut-outs or punchings such that they can be transported flat to the site of use in and stacked on normal pallets, with consequent low costs in both the transport and the storage stage.
  • the punched and ribbed sheets are used to form box elements, open below, and with suitable longitudinal and transverse stiffenings, and these box elements are partially embedded in the concrete slab, in place of the former polystyrene blocks, being also provided laterally with suitable openings to permit the total discharge of water in the stages of prefabrication and storage, and in the subsequent stage of installation and completion of the floor casting.
  • the reference 1 indicates the casting of the prefabricated concrete slab, which is reinforced by the internal metal frame 2 and which has embedded in it the lower structure of the metal lattices 3 which are equidistant from each other and in any suitable number.
  • box elements 4 preferably open below, made from extruded cellular sheets of polypropylene and/or other suitable plastic materials, composite and filled if necessary, of suitable thickness, suitably punched and jointed, in order to permit the formation of structures 5 with an inverted "U" section, formed by folding the sheet about the longitudinal joint lines 6 and having lateral vertical or inclined slits 7, open downwardly, into which are inserted trnasverse walls 8 with vertical or inclined disposition, provided with upwardly open slits 9, which engage with the portions of the lateral wall of the said structures 5 above the said slits 7.
  • the transverse walls 8 also formed from cellular sheets of polypropylene or other material, secure the structure 5 in its channelled and downwardly open form and close it off at the ends to impart the necessary externally closed box shape, and simultaneously improve its mechanical strength since they are distributed uniformly over the whole extension of this structure and since they thus form supports and props for bracing.
  • the tubular cavities of the cellular sheets from which the said parts 5 and 8 are made are orientated in a direction such that they impart the greatest strength to the whole lightening box structure.
  • the transverse walls 8 have additional lits 10 which partly emerge from the slab casting 1 and which have the important function of permitting the outflow of the water from the lightening structure, even in the final stage of use of the prefabricated floor.
  • the box structure 4 may be formed from a number of structures 5 of lesser width, adjacent to each other, provided with corresponding transverse walls 8 or preferably joined by the said transverse walls 8, as in Figures 3, 4 and 10, 11 for example.
  • the walls of the structures 5 which are in mutual contact and which are inside the box element 4 are shorter than the outer lateral walls and are joined to the transverse walls by means of mortise slits 7-9, similar to those of the outer walls.
  • the walls of the structures 5 which are in mutual contact and are inside the box element 4 are of the same length as the outer lateral walls.
  • the two inner lateral walls, in mutual contact, of the adjacent structures 5, as shown in Figures 1-3-4 and 10, 11 may be joined together by a folding line so that the two structures 5 may be formed by folding from a single cellular sheet of polypropylene. It is evident that the walls in mutual contact of the two adjacent structures 5 contribute to the imparting of a considerable mechanical strength to the lightening box element 4. It is to be understood that a box element 4 may be formed from more than two adjacent structures 5.
  • each box element is made with a single inverted "U" structure 5 and with suitable transverse walls 8, as shown by way of example in the detail in Figure 5.
  • This figure also shows the possible situation in which the transverse walls 8 may be connected more effectively to the portal structure 5-105 or 205 (see below) by means of one or more upper projections 11 of any shape such that they can be fixed by pressure into corresponding slots 12 of the upper part of the said portal structure.
  • the transverse walls 8 which close the ends of the box element may be connected by a joint line 6 to the ends of one of the walls of the portal structure 5-105-205 and may be connected to the other walls of the said structure by means of projections 11 and slots 12 of the type mentioned previously.
  • the lightening box element 204 may be made, as in the example illustrated in Figures 6-7-8, with a structure 205 with a fretted profile, formed by folding from a single cellular sheet provided with longitudinal joint lines 6 which, after folding, provides two downwardly open outer channels 13-113 and an upwardly open intermediate channel 14.
  • transverse walls 8 On the lateral walls and on the intermediate base of the structure 105 there are provided slits 7 disposed in imaginary vertical or inclined planes spaced apart by a suitable amount, into which are inserted the transverse walls 8 provided with corresponding mortise slits 9 and lower drainage slits 10.
  • transverse walls 8 At the ends of the structure 105 there are disposed transverse walls 8, as shown in Figure 7, which close all the channels 13-113-14, while the transverse walls mounted in the intermediate slits are of the type illustrated in Figure 8, being provided with a median slit or slot 15 which provides continuity of the channel 14 so that a concrete or reinforced concrete beam 16 can be formed in it, to improve the mechanical characteristics of the prefabricated floor.
  • the beam 16 is connected to the slab 1 through apertures 17 made in the base of the channel 14 ( Figure 6).
  • the ratio between the height of the stiffening box elements and the outer lattices 3, as shown in the drawings, is purely an example, and may be modified up to the point where the ratio is equal to one (as illustrated for example by the broken line in Figure 4) or may be a fraction, so that, when a number of prefabricated floors of the type in question are stacked on each other, their waight is transferred principally to the lattices and not to the lightening box elements, which are thus protected from bending and fracture.
  • the description refers only to certain possible, embodiments of the invention, to which numerous variations and modifications may be made, particularly in respect of construction, for example in relation to the shape and composition of lightening box elements.
  • Figure 9 shows a variant of this sort in which continuous strips 18 of cellular polypropylene or other sheet are embedded longitudinally in the slab 1 with symmetrical disposition, disposed alongside and parallel to the lattices 3 and provided with upwardly open slits 19.
  • the lightening box elements are completed by mounting the transverse walls 8 on the strips 18 and then mounting on these walls the longitudinal modules 4 or 104 or other suitable modules which in this case will be designed to be suitably fixed (by any suitable fastening means) to the slab or to the lattices to prevent the entry into these walls of the floor finishing casting, the whole in a way understandable and easily executed by those skilled in the art.
  • continuous stips 20 are embedded in the slab 1 with symmetrical disposition, disposed alongside and parallel to the lattices (not shown).
  • the said continuous strips 20 are provided with suitable anchoring means such as holes 21.
  • the said longitudinal modules 304, completed with the trnasverse walls 308 are secured in place onto the continuous strips 20 by means of bolts 23 (or any other suitable anchoring means) which pass through corresponding holes 22 provided in the side walls of the structure 305 and pass also through the anchoring holes 21 provided in the strips 20.
  • bolts 23 or any other suitable anchoring means
  • the lightening box elements it is possible for the lightening box elements to be wholly made on site and temporarily fixed in the extrados of the slab, for example with metal wire ties or other means, fixed to the lattices 3 and/or to the reinforcement 2 in the case of a floor made completely on site.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Road Paving Structures (AREA)
  • Artificial Fish Reefs (AREA)
EP94104407A 1993-03-26 1994-03-21 Produits pour la réalisation de planchers comprenant des éléments de caissons d'allégement et planchers réalisés grâce à de tels produits. Withdrawn EP0617180A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93BO000122A IT1264099B1 (it) 1993-03-26 1993-03-26 Manufatti per la fabbricazione di solai con elementi scatolari di alleggerimento e solai realizzati con tali manufatti.
ITBO930122 1993-03-26

Publications (2)

Publication Number Publication Date
EP0617180A2 true EP0617180A2 (fr) 1994-09-28
EP0617180A3 EP0617180A3 (fr) 1996-01-17

Family

ID=11338852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94104407A Withdrawn EP0617180A3 (fr) 1993-03-26 1994-03-21 Produits pour la réalisation de planchers comprenant des éléments de caissons d'allégement et planchers réalisés grâce à de tels produits.

Country Status (2)

Country Link
EP (1) EP0617180A3 (fr)
IT (1) IT1264099B1 (fr)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064693A1 (fr) * 1998-06-10 1999-12-16 Schoeller Plast Industries Gmbh Dispositif pour la rigidification d'elements en beton de grande superficie, en particulier de sols et de plafonds de batiments a plusieurs etages
FR2786514A1 (fr) * 1998-11-26 2000-06-02 Saret France Entrevous a paroi mince
WO2002101168A1 (fr) * 2001-06-12 2002-12-19 Onesteel Reinforcing Pty Ltd Element de coffrage structurel
WO2003029573A1 (fr) * 2001-09-30 2003-04-10 Zeyou Qiu Poutrelle support de structures en beton
NL1019711C2 (nl) * 2002-01-08 2003-07-17 Dycore B V Werkwijze voor het maken van een vloer van beton, en bekistingsplaat daarvoor.
EP1614823A2 (fr) * 2004-07-09 2006-01-11 Sicilferro Torrenovese S.r.L. Coffrage perdu renforcé, particulièrement pour sols comprenant des nervures croisées, et sol associé
CN100356013C (zh) * 2003-10-01 2007-12-19 邱则有 一种模壳构件
CN100365226C (zh) * 2003-10-01 2008-01-30 邱则有 一种模壳构件
CN100370096C (zh) * 2002-04-30 2008-02-20 邱则有 一种钢筋砼的模壳用底板构件
ES2299283A1 (es) * 2004-08-27 2008-05-16 Rubiera, S.A. Forjados Y Cubiertas Forjados para la construccion de edificios.
CN100427692C (zh) * 2003-10-01 2008-10-22 邱则有 一种模壳构件
FR2916215A1 (fr) * 2007-05-14 2008-11-21 Kp1 Soc Par Actions Simplifiee Entrevous en matiere plastique injectee
CN100455744C (zh) * 2003-09-15 2009-01-28 邱则有 一种空腔模壳构件
CN100455753C (zh) * 2003-10-01 2009-01-28 邱则有 一种模壳构件
CN101586373A (zh) * 2005-06-06 2009-11-25 邱则有 一种现浇砼空心板
CN1854401B (zh) * 2005-04-28 2010-05-05 邱则有 一种现浇砼板
CN1800542B (zh) * 2004-12-31 2010-07-28 邱则有 一种钢筋砼空心板
CN101200944B (zh) * 2004-01-06 2010-10-13 邱则有 一种组合钢筋砼空心楼板
CN101200942B (zh) * 2004-01-06 2010-11-03 邱则有 一种组合钢筋砼空心楼板
CN101196032B (zh) * 2005-06-06 2010-11-03 邱则有 一种现浇砼空心板
CN1800541B (zh) * 2004-12-31 2010-11-03 邱则有 一种钢筋砼空心板
CN101196022B (zh) * 2004-01-06 2010-12-29 湖南邱则有专利战略策划有限公司 一种组合钢筋砼空心楼板
CN101187236B (zh) * 2003-08-04 2010-12-29 邱则有 一种现浇砼用模壳构件
CN101387139B (zh) * 2007-09-10 2011-03-02 湖南邱则有专利战略策划有限公司 一种砼全内置芯模
CN102003026A (zh) * 2010-10-27 2011-04-06 王本淼 一种用于现浇节能空腹楼盖的组合空心箱体
CN101851974B (zh) * 2004-11-19 2011-11-16 湖南邱则有专利战略策划有限公司 一种轻质板用预制构件
CN102041863B (zh) * 2004-11-22 2012-11-28 邱则有 一种砼空心板用空腔构件
CN104005559A (zh) * 2014-06-11 2014-08-27 山东电力建设第一工程公司 灌浆孔免拆混凝土模板
WO2020051633A1 (fr) * 2018-09-10 2020-03-19 Hcsl Pty Ltd Panneau de construction

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101200943B (zh) * 2004-01-06 2010-12-29 湖南邱则有专利战略策划有限公司 一种组合钢筋砼空心楼板
CN101333835B (zh) * 2004-01-06 2012-07-04 湖南邱则有专利战略策划有限公司 一种组合钢筋砼空心楼板

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1908884B (de) * Chas, Andre, Monte Carlo Bleibende Schalung zum Herstellen von mit Rippen versehenen Bauteilen
GB829308A (en) * 1956-08-14 1960-03-02 Udalls Prestressed Concrete Lt Improvements in or relating to casting concrete structures in situ
GB1344065A (en) * 1970-07-21 1974-01-16 Wylam Building Systems Ltd Shutter units
GB2077792A (en) * 1980-03-22 1981-12-23 Tinsley Building Prod Ltd Casting reinforced concrete floors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1908884B (de) * Chas, Andre, Monte Carlo Bleibende Schalung zum Herstellen von mit Rippen versehenen Bauteilen
GB829308A (en) * 1956-08-14 1960-03-02 Udalls Prestressed Concrete Lt Improvements in or relating to casting concrete structures in situ
GB1344065A (en) * 1970-07-21 1974-01-16 Wylam Building Systems Ltd Shutter units
GB2077792A (en) * 1980-03-22 1981-12-23 Tinsley Building Prod Ltd Casting reinforced concrete floors

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999064693A1 (fr) * 1998-06-10 1999-12-16 Schoeller Plast Industries Gmbh Dispositif pour la rigidification d'elements en beton de grande superficie, en particulier de sols et de plafonds de batiments a plusieurs etages
FR2786514A1 (fr) * 1998-11-26 2000-06-02 Saret France Entrevous a paroi mince
WO2002101168A1 (fr) * 2001-06-12 2002-12-19 Onesteel Reinforcing Pty Ltd Element de coffrage structurel
WO2003029573A1 (fr) * 2001-09-30 2003-04-10 Zeyou Qiu Poutrelle support de structures en beton
NL1019711C2 (nl) * 2002-01-08 2003-07-17 Dycore B V Werkwijze voor het maken van een vloer van beton, en bekistingsplaat daarvoor.
CN100370096C (zh) * 2002-04-30 2008-02-20 邱则有 一种钢筋砼的模壳用底板构件
CN101187236B (zh) * 2003-08-04 2010-12-29 邱则有 一种现浇砼用模壳构件
CN100455744C (zh) * 2003-09-15 2009-01-28 邱则有 一种空腔模壳构件
CN100455753C (zh) * 2003-10-01 2009-01-28 邱则有 一种模壳构件
CN100427692C (zh) * 2003-10-01 2008-10-22 邱则有 一种模壳构件
CN100356013C (zh) * 2003-10-01 2007-12-19 邱则有 一种模壳构件
CN100365226C (zh) * 2003-10-01 2008-01-30 邱则有 一种模壳构件
CN101200944B (zh) * 2004-01-06 2010-10-13 邱则有 一种组合钢筋砼空心楼板
CN101196022B (zh) * 2004-01-06 2010-12-29 湖南邱则有专利战略策划有限公司 一种组合钢筋砼空心楼板
CN101200942B (zh) * 2004-01-06 2010-11-03 邱则有 一种组合钢筋砼空心楼板
EP1614823A3 (fr) * 2004-07-09 2006-03-08 Sicilferro Torrenovese S.r.L. Coffrage perdu renforcé, particulièrement pour sols comprenant des nervures croisées, et sol associé
EP1614823A2 (fr) * 2004-07-09 2006-01-11 Sicilferro Torrenovese S.r.L. Coffrage perdu renforcé, particulièrement pour sols comprenant des nervures croisées, et sol associé
ES2299283A1 (es) * 2004-08-27 2008-05-16 Rubiera, S.A. Forjados Y Cubiertas Forjados para la construccion de edificios.
CN101851974B (zh) * 2004-11-19 2011-11-16 湖南邱则有专利战略策划有限公司 一种轻质板用预制构件
CN102041863B (zh) * 2004-11-22 2012-11-28 邱则有 一种砼空心板用空腔构件
CN1800542B (zh) * 2004-12-31 2010-07-28 邱则有 一种钢筋砼空心板
CN1800541B (zh) * 2004-12-31 2010-11-03 邱则有 一种钢筋砼空心板
CN1854401B (zh) * 2005-04-28 2010-05-05 邱则有 一种现浇砼板
CN101586373A (zh) * 2005-06-06 2009-11-25 邱则有 一种现浇砼空心板
CN101196032B (zh) * 2005-06-06 2010-11-03 邱则有 一种现浇砼空心板
CN101586373B (zh) * 2005-06-06 2013-07-10 湖南邱则有专利战略策划有限公司 一种现浇砼空心板
FR2916215A1 (fr) * 2007-05-14 2008-11-21 Kp1 Soc Par Actions Simplifiee Entrevous en matiere plastique injectee
CN101387139B (zh) * 2007-09-10 2011-03-02 湖南邱则有专利战略策划有限公司 一种砼全内置芯模
CN102003026A (zh) * 2010-10-27 2011-04-06 王本淼 一种用于现浇节能空腹楼盖的组合空心箱体
CN104005559A (zh) * 2014-06-11 2014-08-27 山东电力建设第一工程公司 灌浆孔免拆混凝土模板
WO2020051633A1 (fr) * 2018-09-10 2020-03-19 Hcsl Pty Ltd Panneau de construction

Also Published As

Publication number Publication date
EP0617180A3 (fr) 1996-01-17
ITBO930122A0 (it) 1993-03-26
ITBO930122A1 (it) 1994-09-26
IT1264099B1 (it) 1996-09-10

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