EP0745170B1 - Industriefussboden mit nicht-klebender verschleissschicht auf betonunterbau - Google Patents

Industriefussboden mit nicht-klebender verschleissschicht auf betonunterbau Download PDF

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Publication number
EP0745170B1
EP0745170B1 EP95910574A EP95910574A EP0745170B1 EP 0745170 B1 EP0745170 B1 EP 0745170B1 EP 95910574 A EP95910574 A EP 95910574A EP 95910574 A EP95910574 A EP 95910574A EP 0745170 B1 EP0745170 B1 EP 0745170B1
Authority
EP
European Patent Office
Prior art keywords
concrete
layer
floor
concrete base
floor 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.)
Expired - Lifetime
Application number
EP95910574A
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English (en)
French (fr)
Other versions
EP0745170A1 (de
Inventor
Jean-Paul Guerinet
Hervé NOUAILHETAS
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.)
Lafarge Materiaux de Specialites SA
Original Assignee
Lafarge Nouveaux Materiaux SA
Lafarge Materiaux de Specialites SA
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Filing date
Publication date
Application filed by Lafarge Nouveaux Materiaux SA, Lafarge Materiaux de Specialites SA filed Critical Lafarge Nouveaux Materiaux SA
Publication of EP0745170A1 publication Critical patent/EP0745170A1/de
Application granted granted Critical
Publication of EP0745170B1 publication Critical patent/EP0745170B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors

Definitions

  • the invention also relates to a method for realization of such an improved soil.
  • Industrial soil is meant a soil shelter on which all the economic activity of industrial buildings of very varied activities in the exclusion of so-called pedestrian soils: factories, warehouses, workshops, laboratories, loading docks partially sheltered, station platforms ... Industrial soil is therefore intended to receive static charges and important dynamics.
  • the support in concrete's role is to receive, transmit or spread in the ground so that the coating does not deteriorate not quickly and that industrial soil does not require too frequent renovations.
  • the choice of an industrial floor type is determines according to the completion time (in the species, preparation or execution of the concrete support, execution of the coating and time required before placing in service), situation and conditions climatic, etc.
  • the upper surface of the concrete support is laid rough and, if necessary, covered with product in order to create an adhesion bridge between the support and coating.
  • So concrete is a material which, when it sets and its hardening, decreases in volume: this is the withdrawal phenomenon.
  • the shrinkage is measured in microns per meter: for ordinary concrete, it can go beyond 1000 microns per meter.
  • Tackling the root causes of the onset of shrinkage phenomena is not always industrially possible, because they are numerous and if some of them are fairly well known, others are still poorly understood.
  • the present invention aims to overcome all the aforementioned drawbacks of the known techniques of realization of floors, in the case of industrial floors. More particularly, the invention aims to reduce, even eliminate the appearance of random cracks by surface of a soil, these cracks may result from normal mechanical and intensity constraints encountered in an industrial environment and / or due to that the support, prepared using concrete, is likely to manifest a phenomenon of withdrawal and later different dimensional variations of those of the coating.
  • the plaintiff recommends separating the coating from the concrete support after smoothing its upper face, preferably with a self-leveling and adherent product to concrete.
  • the upper surface is improved of the concrete support and, therefore, the regularity of the contacts between the support and the coating. Therefore, we observed that the coating is then able to receive and distribute mechanical constraints suffered, and to effectively oppose the onset of random cracks and various deformations on the exposed face of industrial soil.
  • the invention also relates to well the realization of a soil from a support in existing and renovated concrete than that of a concrete support new.
  • new ground a ground comprising a new support, for opposition to a “renovated floor” comprising a renovated support.
  • the invention does not exempt the realization of the concrete support respecting the good practice, in particular with regard to production of fractionation joints, in particular compliance with the maximum distance between joints and sawing on time.
  • the foundations there are on the foundations one or more profiles, chosen in a material which has little or no adhesion with concrete. Said profiles, reducing the cross-section of the concrete support to right of the profiles, allow to induce a crack substantially vertical to the right of each inductor if the tensions in concrete resulting from shrinkage are sufficient. Then we pour the concrete on the foundations and said sections, to form the concrete support.
  • This advantageous embodiment of the invention densifies the distribution of induced cracks due to shrinkage of the concrete and better distribute them over surfaces. Therefore, we can consider an increase notable distances between the joints cut on the concrete support, or even their total elimination, because it is thus possible to guarantee good performance mechanical coating of cracks induced, on the one hand by the presence of the armature, on the other hand by controlling the width of the cracks which is, in this case, limited.
  • composition of the concrete of which the support, is not critical. But we can easily understand that the invention is useful when the nature of the concrete, the operating and climatic conditions during the soil fabrication and soil use conditions make critical the appearance of withdrawal phenomena and dimensional variations in this layer.
  • the invention is particularly well suited to standardized concrete compositions in which essentially finds at least one hydraulic binder, aggregates with proportions well dosed according to the rules of art, and various mineral or organic adjuvants.
  • the proposed invention does not exempt compliance with the traditional rules of the art regarding concrete manufacturing and its implementation. So it is recommended to respect the manufacturing standards of concrete, in particular with regard to water / cement ratios, grain size curves of concrete, the coefficients of aggregate form, mixing time, and temperature.
  • the face concrete support is first covered a smoothing layer to deal with the notorious difficulty smooth with the desired precision using medium mechanical.
  • a composition of a material capable of both forming a smooth surface and adhere to the concrete substrate is, in addition, recommended to provide a composition allowing to reach, once hardened, a resistance in minimum compression of around 10 MPa, preferably at least equal to 20 MPa.
  • a classic self-leveling cement composition Preferably again, we choose a classic self-leveling cement composition. Normally a thickness of 3 mm of the smoothing layer is sufficient to obtain correct smoothing. Of greater thicknesses may be required for smooth very rough concrete.
  • a composition in aqueous phase or of an authorized solvent of a resin which can be an acetate vinyl, a versatate, an ethylenic derivative, an epoxy, a polyurethane, a neoprene, a styrene-butadiene, a styrene-acrylic, etc.
  • the concrete support is weakened by so as to form an induced cracking at the right of the majority, if not all, of the profiles, and prevent thus the formation of rare and large cracks.
  • the sections are spaced from one another from a distance ranging from 1 meter to 10 meters approximately.
  • the prescriptions of the DTU of September 1982 are followed, which leads to placing the profiles at least every 5 meters, so that they define surfaces not greater than 25 m 2 .
  • the profiles must be made of a little material or not adhering to concrete, this in order to minimize the attachment of concrete to the profiles. They must besides being sufficiently rigid.
  • plastics such as polyethylene or polypropylene which are perfectly suitable as soon as they are rigid enough to support without deformation the concrete support. They can also be made of wood.
  • the format of these profiles may vary. We choose them preferably at least a sixth of the height height provided for the concrete support, so that reduce the area of its cross section on at least a sixth. More preferably, the height of the profiles is at least equal to a third of the height of the support. Best aesthetic results for floors nine according to the invention were obtained when the profile height is at least half the support height.
  • the profile has a section substantially in the shape of a "V" which is reverse on the foundations of industrial soil, this so that the salient angle of the "V" is directed towards the surface support.
  • the profile has a section substantially in the shape of a "T" which is reverse on the foundations of industrial soil, this so that the vertical bar of the "T” be arranged vertically and directed towards the upper surface of the support.
  • the profile has a section substantially of the form of a "Y”, which is stably arranged on the industrial soil foundations, so that one of the "Y" branches are arranged vertically and directed towards the upper surface of the support.
  • the profiled crack inducers are installed, and preferably fixed on the foundations of industrial soil to using a suitable fixing means such as points, we pour the concrete to form the support, then, as soon as the support has reached resistance sufficient mechanical properties, we smooth the concrete surface advantageously by covering it with minus a smoothing layer; then we cover successively the smoothed surface of at least one means of decoupling, of a lattice-shaped frame, then, at least one layer to form the coating.
  • the invention makes it possible to give this thin coating separated from the concrete support mechanical performance of industrial level, therefore much higher than those encountered in the case of residential floors and known pedestrian, and so transfer all advantages of this coating construction technique to industrial circles.
  • the invention is also suitable for carrying out residential and pedestrian floors (for example, those hospital or school buildings).
  • foundations of industrial soil are a layer of everything coming made from a mixture of raw aggregates of career, and foundations also include a plastic sheet insulating under the foundations, compacted by roller.
  • Such concrete guarantees characteristic resistance to 28 days according to NF P 18305 standard of 35 MPa.
  • Concrete setting is quick. It is indeed possible to walk on concrete ten hours after pouring.
  • the temperature has varied from 3 to 5 ° C.
  • An adhesion primer is then applied to the entire surface of the support in a single layer.
  • This primer consists of an aqueous phase dispersion of vinyl copolymers. This primer is left to dry for two hours. Consumption is around 200 g per m 2 of surface.
  • the product applied is essentially a smoothing coating cement, marketed by OMNIPLASTIC under the name OMNIPLAN. This coating is chosen because the level of its mechanical characteristics which support the indirect load of industrial mechanical constraints.
  • the smoothing product is then left to harden for 24 hours, sufficient time for it to withstand a pedestrian traffic.
  • the smoothing layer is then coated with a viscous liquid product, which will allow the non-adhesion of the wear layer and the smoothing layer.
  • This product creates a waterproof, resistant and completely non-adherent film.
  • These are petroleum derivatives in aqueous dispersion marketed under the name ELVECURE by the company CHRYSO. The consumption of this product is 150 grams per m 2 . This product is allowed to dry for 4 hours to make it suitable for supporting a man's walk.
  • the coating or wear layer is the coating or wear layer
  • the coating is left as it is for 18 hours, then apply a liquid product to inhibit evaporation of water from the hydraulic coating and, by there, its early cracking.
  • This product called cure, is specially designed to allow application subsequent to all other aesthetic coatings; paints, textiles, plastics or others.
  • the soil is left out of the way for 48 hours, then returned to heavy traffic within 5 days without any damage: storage of pallets of 1.2 tonnes out of 5 levels, handling by wheeled forklifts full bandage.
  • Another example of a site making a floor industrial renovated jointless, 1500 m2, in cold weather with variations ranging from + 1 ° C to + 15 ° C.
  • the wear layer support is aged concrete, of suitable characteristics, dry, with cohesion correct, but with irregular cracks distributed.
  • An adhesion primer is then applied to all the surface in a single layer.
  • This primary consists of an aqueous phase dispersion of copolymers vinyl.
  • This primer is left to dry for two hours. Consumption is around 200 g per m 2 of surface.
  • the product applied is essentially a smoothing coating cement, marketed by OMNIPLASTIC under the name OMNIPLAN. This coating is chosen because the level of its mechanical characteristics which support the indirect load of industrial mechanical constraints.
  • the smoothing product is then left to harden for 24 hours, sufficient time for it to withstand a pedestrian traffic.
  • the smoothing layer is then coated with a viscous liquid product, which will allow the non-adhesion of the wear layer and the smoothing layer.
  • This product creates a waterproof, resistant and completely non-adherent film.
  • These are petroleum derivatives in aqueous dispersion marketed under the name ELVECURE by the company CHRYSO. The consumption of this product is 150 grams per m 2 .
  • This product is allowed to dry for 4 hours for the to be able to support a man's walk.
  • the coating or wear layer is the coating or wear layer
  • the coating is left as it is for 18 hours, then apply a liquid product to inhibit evaporation of water from the hydraulic coating and, by there, its early cracking.
  • This product called cure, is specially designed to allow application subsequent to all other aesthetic coatings: paints, textiles, plastics or others.
  • the soil is left out of the way for 48 hours, then returned to heavy traffic within 5 days without any damage: storage of 1 ton electric motors, wheeled forklift handling full.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (16)

  1. Industriefußboden mit zumindest einer Überzugsschicht auf einem neuen oder einem bestehenden Betonunterbau, wobei die Überzugsschicht ausgehend von einer Zusammensetzung auf der Grundlage mindestens eines hydraulischen Bindemittels erhalten wird, und der Boden dadurch gekennzeichnet ist, daß die Überzugsschicht von dem Betonunterbau getrennt ist und daß die Oberseite des Betonunterbaus aufeinanderfolgend in folgender Weise behandelt ist:
    a) Glätten dieser Oberseite derart, daß ihre Ebenheit/Rauhigkeit kleiner als 2 mm unter einer Schiene von 2 Metern ist,
    b) Aufbringen wenigstens eines Mittels, um die erste Überdeckungsschicht der geglätteten Oberfläche des Unterbaus klebefrei zu machen, was nachfolgend als "Trennmittel" bezeichnet ist; und
    c) Aufbringen wenigstens einer armierten Überzugsschicht auf dem Trennmittel über der gesamten zu behandelnden Oberfläche wobei die Dicke dieses Überzugs maximal 30 mm beträgt.
  2. Fußboden gemäß Anspruch 1, dadurch gekennzeichnet, daß die Glättung erhalten wird, indem die Oberseite des Unterbaus mit mindestens einer Schicht aus einem selbstglättenden Mittel überzogen wird, nachfolgend als "Giättungsschicht" bezeichnet, wobei diese Glättungsschicht ferner an dem Betonunterbau anhaften muß.
  3. Fußboden gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Druckwiderstand des Betonunterbaus in der Größenordnung von 10 MPa oder höher, vorzugsweise mindestens gleich 20 MPa, gemäß der Norm EN 196-1 vom März 1990 ist und daß seine Biege-/Zugfestigkeit mindestens von der Größenordnung von 2,2 MPa oder höher ist, und vorzugsweise mindestens 2,5 MPa ist.
  4. Boden gemäß Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Glättungsschicht mittels eines Werkstoffes hergestellt wird, der ermöglicht, sobald er gehärtet ist, eine minimale Druckfestigkeit in der Größenordnung von 10 MPa, vorzugsweise von mindestens 20 MPa, zu erreichen.
  5. Boden gemäß Anspruch 4, dadurch gekennzeichnet, daß die Dicke der Glättungsschicht in der Größenordnung von 3 mm oder höher ist.
  6. Boden gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Dicke der Schicht, die mit mindestens einem Trennmittel gebildet ist, in der Größenordnung von 100 µm bis 200 µm ist.
  7. Boden gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Dicke der Schicht, die mit wenigstens einem Trennmittel gebildet ist, 3 mm oder mehr unter der Voraussetzung ist, daß der verwendete Werkstoff den Druck der Verschleißschicht erträgt, ohne sich zu verformen.
  8. Boden gemäß einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Überzugsschicht aus einer Zusammensetzung hergestellt ist, die mindestens ein hydraulisches Bindemittel und mindestens ein organisches Bindemittel umfaßt.
  9. Boden nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, daß man vor dem Aufbringen der Glättungsschicht auf dem Betonunterbau die Oberseite des Unterbaus mit einer Schicht aus einem Imprägnierungsmittel bedeckt, um das Anhaften zu verbessern und die Porösität des Betonunterbaus zu regulieren, und gegebenenfalls das Auftreten eines kalkigen Beschlags an der Oberfläche zu verhindern.
  10. Boden gemäß einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß man bei der Herstellung eines neuen Bodens auf den Fundamenten ein oder mehrere Profile anordnet, die aus einem an dem Beton wenig oder nichtanhaftenden Werkstoff ausgewählt sind, wobei die genannten Profile ermöglichen, indem sie den Querschnitt des Betons an der Stelle der Profile verringern, einen im wesentlichen vertikalen Riß an der Stelle eines jeden Bewirkungselements einzuführen, wenn die Spannungen in dem Beton ausreichend sind, die sich durch die Schwindung ergeben, wobei man dann den Beton auf die Fundamente und die genannten Profile gießt, um den Betonunterbau zu bilden.
  11. Boden gemäß Anspruch 10, dadurch gekennzeichnet, daß die Profile in allen Bereichen angeordnet werden, wo Spannungskonzentrationen zu einer unerwünschten Spaltbildung führen können.
  12. Boden gemäß Anspruch 10 oder 11, dadurch gekennzeichnet, daß das Profil einen im wesentlichen "V"-förmigen Querschnitt hat, den man auf den Fundamenten des Bodens umkehrt, so daß der von dem "V" hervorspringende Winkel zu der oberen Oberfläche des Betonunterbaus gerichtet ist.
  13. Boden gemäß Anspruch 10 oder 11" dadurch gekennzeichnet, daß das Profil einen im wesentlichen "T"-förmigen Querschnitt hat, den man auf den Fundamenten des Bodens umkehrt, so daß der von dem "T" hervorspringende senkrechte Schaft zu der oberen Oberfläche des Betonunterbaus gerichtet ist.
  14. Boden gemäß Anspruch 10 oder 11, dadurch gekennzeichnet, daß das Profil einen im wesentlichen "Y"-förmigen Querschnitt hat, den man in stabiler Weise auf den Fundamenten des Bodens derart anordnet, daß einer der Arme des "Y" vertikal angeordnet und zu der oberen Oberfläche des Betonunterbaus gerichtet ist.
  15. Boden gemäß einem der Ansprüche 10 bis 14, dadurch gekennzeichnet, daß die Rißbewirkungsprofile voneinander in einem Abstand beabstandet sind, der von ungefähr 1 Meter bis 10 Metern reicht und vorzugsweise wenigstens 5 Meter aufweist.
  16. Boden gemäß einem der Ansprüche 10 bis 15, dadurch gekennzeichnet, daß die Profilhöhe mindestens gleich 1/6 der Höhe des Betonunterbaus, vorzugsweise wenigstens 1/3 der Höhe des Betonunterbaus, noch bevorzugter wenigstens gleich der Hälfte der Höhe des Betonunterbaus ist.
EP95910574A 1994-02-16 1995-02-15 Industriefussboden mit nicht-klebender verschleissschicht auf betonunterbau Expired - Lifetime EP0745170B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9402011A FR2716215B1 (fr) 1994-02-16 1994-02-16 Sol perfectionné comprenant une couche d'usure non adhérente sur un support en béton et procédé pour la réalisation d'un tel sol.
FR9402011 1994-02-16
PCT/FR1995/000182 WO1995022671A1 (fr) 1994-02-16 1995-02-15 Sol industriel comprenant une couche d'usure non adherente sur un support en beton

Publications (2)

Publication Number Publication Date
EP0745170A1 EP0745170A1 (de) 1996-12-04
EP0745170B1 true EP0745170B1 (de) 1999-05-12

Family

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Application Number Title Priority Date Filing Date
EP95910574A Expired - Lifetime EP0745170B1 (de) 1994-02-16 1995-02-15 Industriefussboden mit nicht-klebender verschleissschicht auf betonunterbau

Country Status (10)

Country Link
US (1) US5848504A (de)
EP (1) EP0745170B1 (de)
AT (1) ATE180037T1 (de)
BR (1) BR9506751A (de)
CA (1) CA2183463A1 (de)
CZ (1) CZ241996A3 (de)
DE (1) DE69509636T2 (de)
ES (1) ES2132646T3 (de)
FR (1) FR2716215B1 (de)
WO (1) WO1995022671A1 (de)

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
US6321132B1 (en) * 1998-08-05 2001-11-20 International Business Machines Corporation Efficient method for designing slabs for production from an order book
US9188348B2 (en) 2009-08-28 2015-11-17 Progress Profiles Spa Method and apparatus for positioning heating elements
USD813421S1 (en) 2009-08-28 2018-03-20 Progress Profiles Spa Floor underlayment
AU2011359449A1 (en) * 2011-02-16 2013-05-02 Elastilon B.V. Intermediate floor, method for producing an intermediate floor and use of an intermediate floor
US8950141B2 (en) 2012-09-12 2015-02-10 Schluter Systems L.P. Veneer underlayment
US10215423B2 (en) 2014-08-18 2019-02-26 Progress Profiles S.P.A. Method and apparatus for positioning heating elements
PL3183505T3 (pl) 2014-08-18 2019-11-29 Progress Profiles Spa Podkład do układania elementów grzewczych i montażu podłogi
USD806911S1 (en) 2015-03-17 2018-01-02 Silcart S.P.A. Floor underlayment
US10859274B2 (en) 2016-04-01 2020-12-08 Progress Profiles S.P.A. Support for radiant covering and floor heating elements
US9726383B1 (en) 2016-06-17 2017-08-08 Progress Profiles S.P.A. Support for radiant covering and floor heating elements
CN111962349A (zh) * 2020-07-18 2020-11-20 北京住总第一开发建设有限公司 一种耐磨混凝土地面施工工艺

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US3024711A (en) * 1958-09-25 1962-03-13 Devoe & Raynolds Co Iron-epoxy floors and process for making them
FR2495665A1 (fr) * 1980-12-05 1982-06-11 Lucas Jean Claude Joints de coffrage, mise a niveau et de retrait de dallage
DE3115979C2 (de) * 1981-04-22 1983-07-21 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Selbstnivellierende Mörtelmischung
DE3328868A1 (de) * 1983-08-10 1985-02-28 E. Schwenk Baustoffwerke KG, 7900 Ulm Fugenleiste fuer eine estrichschicht
GB2185046A (en) * 1985-11-29 1987-07-08 Square Grip Ltd Concrete reinforcing elements allowing for relative movement between concrete and element
DE3730067A1 (de) * 1987-09-08 1989-03-30 Bayer Ag Selbstnivellierende moertelmischung
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DE9209420U1 (de) * 1992-07-14 1993-03-04 Guggemos, Georg, 8900 Augsburg, De
NL9301034A (nl) * 1993-06-15 1995-01-02 Osbe Parket B V Werkwijze voor het leggen van een vloer.

Also Published As

Publication number Publication date
ATE180037T1 (de) 1999-05-15
BR9506751A (pt) 1997-09-16
DE69509636T2 (de) 1999-12-02
DE69509636D1 (de) 1999-06-17
CZ241996A3 (en) 1997-05-14
CA2183463A1 (fr) 1995-08-24
US5848504A (en) 1998-12-15
WO1995022671A1 (fr) 1995-08-24
FR2716215B1 (fr) 1996-04-26
ES2132646T3 (es) 1999-08-16
FR2716215A1 (fr) 1995-08-18
EP0745170A1 (de) 1996-12-04

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