CS266395B1 - Method for high durable plaster building elements production - Google Patents

Method for high durable plaster building elements production Download PDF

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Publication number
CS266395B1
CS266395B1 CS864807A CS480786A CS266395B1 CS 266395 B1 CS266395 B1 CS 266395B1 CS 864807 A CS864807 A CS 864807A CS 480786 A CS480786 A CS 480786A CS 266395 B1 CS266395 B1 CS 266395B1
Authority
CS
Czechoslovakia
Prior art keywords
gypsum
construction
wood particles
water
construction elements
Prior art date
Application number
CS864807A
Other languages
Czech (cs)
Other versions
CS480786A1 (en
Inventor
Helmut Dr Ing Rietz
Egbert Dipl Ing Thiel
Original Assignee
Rietz Helmut
Egbert Dipl Ing Thiel
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 Rietz Helmut, Egbert Dipl Ing Thiel filed Critical Rietz Helmut
Publication of CS480786A1 publication Critical patent/CS480786A1/en
Publication of CS266395B1 publication Critical patent/CS266395B1/en

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Classifications

    • 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
    • C04B28/14—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 calcium sulfate cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • B28B1/525—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing organic fibres, e.g. wood fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention relates to a process for producing high-strength gypsum construction elements, in particular gypsum construction panels, which can be used for new construction and reconstruction in the field of residential, communal and industrial building. Using a new production process, the aim is to produce an inexpensive, easily worked gypsum-bound construction element in which fine wood particles, which are produced in large amounts as waste product, can be used to improve the properties. The aim is to produce large surface-area, thin-walled high-strength gypsum construction elements with a dry bulk density of between 1.3 and 1.8 kg/dm<3>. With the use of known process steps in the production of gypsum construction elements in which according to the invention wood particles with a size ratio of length: width: thickness = 1:1:0.1-0.2 in the millimetre range and the gypsum in a weight ratio of 0.1-0.3 based on their dry weights, the wood particles being impregnated with water such that a water/gypsum value of 0.2-0.3 is achieved, are mixed with one another in a free-flowing form and subsequently pressed.

Description

Řešení se týká výroby velmi pevných sádrových stavebních prvků, zejména stavebních desek, které lze používat v novém stavebnictví a při rekonstrukci v oblasti bytového a průmyslového stavebnictví. Vycházeje ze směsi vodou impregnovanédřevěné vlny a sádry s dřevosádrovým poměrem od 0,1 do 0,3 se podle řešení vyrábějí stavební prvky s pevnosti v ohybu >; 10 N/mm2 tak, že použitá dřevěná vlna má poměr délka : šířka : tlouštka «1:1 : 0,1 až 0,2 a směs je zhutněna směsi s · poměrem vodypa sádry 0.2 až 0,3 při tlaku 4 až 22 N/mm ♦The solution concerns the production of very solid gypsum building elements, especially building boards, which can be used in new construction and in the reconstruction of residential and industrial construction. Starting from a mixture of water-impregnated wood wool and gypsum with a wood-gypsum ratio of from 0.1 to 0.3, structural elements with a flexural strength of>; 10 N / mm 2 so that the used wood wool has a ratio of length: width: thickness of the "1: 1: 0.1 to 0.2 and the mixture is compacted with a mixture ratio of water · p gypsum and 0.2 to 0.3 at 4 up to 22 N / mm²

Claims (1)

PŘEDMĚT VYNÁLEZUSUBJECT OF THE INVENTION Způsob výroby velmi pevných sádrových prvků s oProcess for producing very solid gypsum elements with o pevností v tahu při ohybu 10 N/mm ze směsi vody a sádry s poměrem dřeviny a sádry 0,1 až 0,3, vyznačující se tím, že dřevěná vlna s poměrem rozměrů délka : šířka : tlouštka = 1 : 1 : 0,1 až 0,2 a směs je zhutněna s poměrem vody a sádry 0,2 až 0,3 při tlaku 4 až 22 N/mm2,tensile strength at bending of 10 N / mm from a mixture of water and gypsum with a wood to gypsum ratio of 0.1 to 0.3, characterized in that the wood wool with the ratio of length : width: thickness = 1: 1: 0.1 to 0.2 and the mixture is compacted with a water to gypsum ratio of 0.2 to 0.3 at a pressure of 4 to 22 N / mm 2 ,
CS864807A 1985-07-25 1986-06-27 Method for high durable plaster building elements production CS266395B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD27894885 1985-07-25

Publications (2)

Publication Number Publication Date
CS480786A1 CS480786A1 (en) 1988-08-16
CS266395B1 true CS266395B1 (en) 1989-12-13

Family

ID=5569906

Family Applications (1)

Application Number Title Priority Date Filing Date
CS864807A CS266395B1 (en) 1985-07-25 1986-06-27 Method for high durable plaster building elements production

Country Status (4)

Country Link
CS (1) CS266395B1 (en)
DE (1) DE3620154A1 (en)
HU (1) HU205332B (en)
SU (1) SU1740350A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815393A1 (en) * 1988-05-05 1989-11-16 Baehre & Greten METHOD FOR PRODUCING PLATE-FORMED COMPOUNDS
DE3822759C2 (en) * 1988-07-05 2000-11-16 Kvaerner Panel Sys Gmbh Process for the preparation of paper and / or cutting and / or shavings and / or wood fibers or the like and for the production of moldings, in particular plates made of a gypsum-fiber mixture
DE4008084A1 (en) * 1990-03-14 1991-09-19 Pro Mineral Ges METHOD FOR PRODUCING PLASTER PANELS, ESPECIALLY OF FLOOR PLATES

Also Published As

Publication number Publication date
HU205332B (en) 1992-04-28
HUT42414A (en) 1987-07-28
DE3620154A1 (en) 1987-01-29
SU1740350A1 (en) 1992-06-15
CS480786A1 (en) 1988-08-16

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