WO1992007714A1 - Composition a plusieurs constituants destinee a un systeme de plancher en solives, et procede de fabrication - Google Patents

Composition a plusieurs constituants destinee a un systeme de plancher en solives, et procede de fabrication Download PDF

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Publication number
WO1992007714A1
WO1992007714A1 PCT/SE1991/000308 SE9100308W WO9207714A1 WO 1992007714 A1 WO1992007714 A1 WO 1992007714A1 SE 9100308 W SE9100308 W SE 9100308W WO 9207714 A1 WO9207714 A1 WO 9207714A1
Authority
WO
WIPO (PCT)
Prior art keywords
fast
mortar
setting
weight
component composition
Prior art date
Application number
PCT/SE1991/000308
Other languages
English (en)
Inventor
Erik Arne Kristoffer Westin
Sten Åke WESTIN
Original Assignee
Erik Arne Kristoffer Westin
Westin Sten Aake
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 Erik Arne Kristoffer Westin, Westin Sten Aake filed Critical Erik Arne Kristoffer Westin
Publication of WO1992007714A1 publication Critical patent/WO1992007714A1/fr

Links

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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52—Sound-insulating materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60—Flooring materials

Definitions

  • Multi-component composition for system of joists and floor, and method of manufacturing such composition.
  • the present invention relates to a self-setting and quick drying multi-component composition with low weight by unit of volume, good heat insulating capacity and certain elasticity, which is well suited for the manufacture of system of joists and various types of floor such as floor directly on ground.
  • the top surface of the composition can easily be made even and constitutes then an excellent bedding for all types of floor coverings.
  • the composition is in first hand inten ⁇ ded to be used in dwellings, at which it without any diffi ⁇ culties can be adapted to those in this field for dwellings applicable building by-laws.
  • the obtained concrete surface is, however, to be regarded as the surface of a conventional concrete floor or subfloor, which consequently has to be moisture cured during at least 7 days.
  • a wearing layer of concrete may be laid on the surface mentioned or it may be covered with a levelling mortar or a free-flow putty of the type described in the American patent publication 3 972 723.
  • the finished concrete in up to now used system of joists has a weight by unit of volume of between 2,35 and 2,45
  • a great disadvantage with all known and up to now used on site cast systems of joists and concrete floor is the long time, which is required for moisture curing an drying up, before it is possible to begin covering or other treatment.
  • a system of joists (subfloor) and one on top of that cast wearing layer of concrete require thus for example moisture curing during at least 7 days plus at least 14 days, i.e. totally at least 21 days moisture curing. If the system of joists and the wearing layer are cast consecutively, one may manage with moisture curing during at least 14 days - even that, however, a considerable time. To that must in both cases be added drying up to a moisture content, which lies below the limit value for the type of cavering in question.
  • the purpose of the present invention os to solve the above mentioned problems and to eliminate the shortcomings and disadvantages associated with the known technique through providing a composition for the manufacture of sy ⁇ stem of joists and floor, which in comparison with up to now used masses has improved qualities, particularly with regard to weight by volume, setting and drying time, heat insula ⁇ tion, shrinkage and elasticity.
  • Multi-component compositions in accordance with the pre ⁇ sent invention solve above described problems and eliminate the shortcomings and disadvantages, which application of up to now known technique leads to.
  • the present invention concerns a fast-setting multi-component composition with short drying time for the manufacture of non-shrinking system of joists and floor with low weight by volume, good heat and sound insulating qualities and cer ⁇ tain elasticity.
  • the multi-component composition is charac ⁇ terized of that it comprises the following components in combination: a) 30-70 per cent by weight of grains of expanded, burnt clay b) 10-70 per cent by weight of a fast-setting, polymer mo ⁇ dified and on hydraulic cement based mortar c) 10-70 per cent by weight of a fast-setting and on hy ⁇ draulic cement based, fibre reinforced mortar
  • the graines of expanded, burnt clay consist of such grains, which are marketed under any of the trade marks "LECA” or "FIBO” and which have a grain size of 4-30 mm, preferably 12-20 mm.
  • polymer modified, cement based mortar consists of such mortar, that is marketed by Svenska ICI AB under the trade
  • the invention also comprises a method for the manufac ⁇ ture of the multi-component composition in question, which is characterized by: a) that grains of expanded, burnt clay, usually ball shaped, are pre-mixed with a PVA-based binder in such a way, that the surface of each grain is given an ad ⁇ hering and glueing coating of the binder in question, whereafter excess of binder is allowed to drain off from the grains simultaneously as they are allowed to dry.
  • the drying time for the in accordance with "b" manufac ⁇ tured first mass layer is about 10 hours at room temperature. If a more rapid drying and setting of this layer is wanted, this can be obtained through increasing the share of the po ⁇ lymer modified, cement based mortar in the mixture.
  • Multi-component composition in accordance with the in ⁇ vention is further through its, compared with traditional concrete constructions, low weight labour saving - a not un ⁇ essential advantage, when it comes to keeping the building costs as low as possible.
  • the first mass layer has a drying time at room temperature of about 10 hours.
  • the surface strengthening layer is ready-cured after only about 15 minutes and it can be set foot on after about one hour, when it exhibits a compressive strength round
  • the multi-component composition is further non-shrink ⁇ ing, which is a particularly valuable quality, not the least important when it concerns system of joists and floor in building. Moreover, the multi-component composition is not 100 per cent stiff, but has a certain elasticity.
  • the multi-component composition in itself is heat insulating and in a not insig ⁇ nificant extent sound insulating. Building height increasing additional insulation of system of joists and floor is therefore not normally required.
  • An additional advantage is, that the multi-component composition, when used for rebuilding and repairs of water damages and the like, through its low weight and its short setting an drying times makes it possible to carry out the work unusually fast and supple.
  • Multi-component composition in accordance with the in ⁇ vention has further shown itself to be very well suited for the erection of system of joists on profiled co-operation
  • Grains of expanded, burnt clay (marke ⁇ ted under the trade mark LECA) grain sizes 12-20 mm 40
  • Component 3 was then mixed with water to suitable con ⁇ sistency and was spread out under pressure on the first mass layers in the moulds in accordance with the method in claim 5 c) .
  • the thereby obtained surface strengthening layers be ⁇ came about 2 cm thick and there surfaces were evened out through steel smoothing.
  • the weight of each of the 10 cm thick finished and dried slabs was approximately 15 kg, which gives a weight by
  • a ventilating insulation layer in the slabs which guaran ⁇ tees that no damp remains standing and deteriorates the in ⁇ sulating capacity.
  • the low amount of mixing water i.e. low wcr, also helps to explain why the drying time is so incomparably short.
  • reinforcement in the shape of wire netting or separate rods may of course be put into the first mass layer as well as into the surface strength ⁇ ening layer.
  • the reinforcement may also consist of short glass fibre or steel fibre pieces, which are admixed at the preparation of respective mortar. The length of the pieces of fibre used may vary, but lies normally around 15 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Floor Finish (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Composition à plusieurs constituants et à durcissement rapide présentant un temps de séchage très court et destinée à la fabrication de planchers en solives irrétrécissables présentant un faible poids par unité volumique ainsi que de bonnes qualités de calorifugeage et d'insonorisation. Les bétons et mortiers employés jusqu'à présent ont un poids élevé par unité volumique et un faible pouvoir isolant. En outre, ils durcissent lentement et il leur faut au moins une semaine pour la cure par humidité en plus du temps nécessaire au séchage jusqu'à une teneur en humidité qui permet le planchéiage ou un autre traitement quelconque. Ladite composition constitue une solution aux problèmes précités et est caractérisée en ce qu'elle comporte de 30 à 70 % en poids de grains d'argile brûlée et expansée, de 10 à 70 % en poids d'un mortier à base de ciment, modifié par polymère et à durcissement rapide, ainsi que de 10 à 70 % en poids d'un mortier à base de ciment, renforcé par fibres et à durcissement rapide. On a également prévu un procédé de fabrication de ladite composition caractérisé par exemple en ce que l'on soumet les grains d'argile à un traitement préalable avec un liant à base d'alcool polyvinylique avant de les mélanger audit mortier à base de ciment et modifié par polymère.
PCT/SE1991/000308 1990-10-25 1991-05-16 Composition a plusieurs constituants destinee a un systeme de plancher en solives, et procede de fabrication WO1992007714A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9003407-5 1990-10-25
SE9003407A SE466498B (sv) 1990-10-25 1990-10-25 Snabbindande flerkomponentmassa, saett foer dess framstaellning samt anvaendning av densamma

Publications (1)

Publication Number Publication Date
WO1992007714A1 true WO1992007714A1 (fr) 1992-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1991/000308 WO1992007714A1 (fr) 1990-10-25 1991-05-16 Composition a plusieurs constituants destinee a un systeme de plancher en solives, et procede de fabrication

Country Status (2)

Country Link
SE (1) SE466498B (fr)
WO (1) WO1992007714A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002317A1 (fr) * 1999-07-02 2001-01-11 Densit A/S Materiaux au ciment a eau entrainee
WO2003106365A3 (fr) * 2002-06-12 2004-02-19 Basf Ag Element en beton leger, notamment pour construction de batiments et procede pour augmenter la resistance a la compression d'un element en beton leger
WO2008139180A1 (fr) * 2007-05-11 2008-11-20 Ceramic Gas Products Ltd Procédé de façonnage d'un article
WO2012033412A1 (fr) 2010-09-08 2012-03-15 Ntnu Technology Transfer As Matériau résistant à la pression, et procédé de fabrication d'un tel matériau
WO2016189373A1 (fr) * 2015-05-26 2016-12-01 Holcim Technology Ltd Composition de béton présentant un temps de séchage réduit une fois durci

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673750A (en) * 1968-06-10 1972-07-04 Svenska Icopalfabriken Ab Bottom for buildings without basement, and a method of making such bottom
DE2352843A1 (de) * 1973-10-22 1975-04-24 Dahmit Brenn Und Baustoffgesel Mehrschichtiges plattenfoermiges bauelement aus beton
WO1984001402A1 (fr) * 1982-10-05 1984-04-12 Pool Fabrications Singapore Pt Organes structuraux

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673750A (en) * 1968-06-10 1972-07-04 Svenska Icopalfabriken Ab Bottom for buildings without basement, and a method of making such bottom
DE2352843A1 (de) * 1973-10-22 1975-04-24 Dahmit Brenn Und Baustoffgesel Mehrschichtiges plattenfoermiges bauelement aus beton
WO1984001402A1 (fr) * 1982-10-05 1984-04-12 Pool Fabrications Singapore Pt Organes structuraux

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001002317A1 (fr) * 1999-07-02 2001-01-11 Densit A/S Materiaux au ciment a eau entrainee
WO2003106365A3 (fr) * 2002-06-12 2004-02-19 Basf Ag Element en beton leger, notamment pour construction de batiments et procede pour augmenter la resistance a la compression d'un element en beton leger
WO2008139180A1 (fr) * 2007-05-11 2008-11-20 Ceramic Gas Products Ltd Procédé de façonnage d'un article
GB2463186A (en) * 2007-05-11 2010-03-10 Ceramic Gas Products Ltd Method of forming an article
GB2463186B (en) * 2007-05-11 2013-02-20 Ceramic Gas Products Ltd Method of forming an article
WO2012033412A1 (fr) 2010-09-08 2012-03-15 Ntnu Technology Transfer As Matériau résistant à la pression, et procédé de fabrication d'un tel matériau
WO2016189373A1 (fr) * 2015-05-26 2016-12-01 Holcim Technology Ltd Composition de béton présentant un temps de séchage réduit une fois durci
US10308554B2 (en) 2015-05-26 2019-06-04 Holcim Technology Ltd. Concrete composition

Also Published As

Publication number Publication date
SE9003407D0 (sv) 1990-10-25
SE9003407L (sv) 1992-02-24
SE466498B (sv) 1992-02-24

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