BR112021020791A2 - Composição de concreto projetado, processo e estrutura de concreto projetado endurecido - Google Patents

Composição de concreto projetado, processo e estrutura de concreto projetado endurecido

Info

Publication number
BR112021020791A2
BR112021020791A2 BR112021020791A BR112021020791A BR112021020791A2 BR 112021020791 A2 BR112021020791 A2 BR 112021020791A2 BR 112021020791 A BR112021020791 A BR 112021020791A BR 112021020791 A BR112021020791 A BR 112021020791A BR 112021020791 A2 BR112021020791 A2 BR 112021020791A2
Authority
BR
Brazil
Prior art keywords
shotcrete
composition
hardened
glyoxylic acid
cement
Prior art date
Application number
BR112021020791A
Other languages
English (en)
Inventor
Joachim Dengler
Tatiana Mitkina
Original Assignee
Construction Research & Technology Gmbh
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 Construction Research & Technology Gmbh filed Critical Construction Research & Technology Gmbh
Publication of BR112021020791A2 publication Critical patent/BR112021020791A2/pt

Links

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
    • C04B28/02—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
    • C04B28/04—Portland cements
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
    • C04B24/124—Amides
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/148—Aluminium-sulfate
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/003—Phosphorus-containing compounds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
    • C04B24/06—Carboxylic acids; Salts, anhydrides or esters thereof containing hydroxy groups
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2641—Polyacrylates; Polymethacrylates
    • C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
    • 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
    • C04B28/06—Aluminous cements
    • 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
    • C04B28/06—Aluminous cements
    • C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • 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
    • C04B28/08—Slag cements
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/10—Accelerators; Activators
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/40—Surface-active agents, dispersants
    • C04B2103/408—Dispersants
    • 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
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00146—Sprayable or pumpable mixtures
    • C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
    • 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
    • C04B2111/76—Use at unusual temperatures, e.g. sub-zero
    • C04B2111/766—Low temperatures, but above zero

Landscapes

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

Abstract

composição de concreto projetado, processo e estrutura de concreto projetado endurecido. uma composição de concreto projetado compreendendo a) um aglutinante de cimento; b) um controlador de formação de etringita compreendendo (i) um condensado de ácido glioxílico e/ou um aduto de ácido glioxílico; e c) um acelerador de concreto projetado à base de alumínio livre de alcalinos. a invenção se refere adicionalmente a um processo compreendendo o provimento de uma composição de cimento compreendendo a) um aglutinante de cimento e b) um controlador de formação de etringita compreendendo (i) um condensado de ácido glioxílico e/ou um aduto de ácido glioxílico; misturar um acelerador de concreto projetado à base de alumínio livre de alcalinos à composição de cimento para obter uma composição de concreto projetado; e aplicar a composição de concreto projetado sobre uma superfície para obter uma estrutura de concreto projetado e possibilitar que a estrutura de concreto projetado endureça. a invenção também se refere a uma estrutura de concreto projetado endurecido obtida por este processo.
BR112021020791A 2019-04-18 2020-04-17 Composição de concreto projetado, processo e estrutura de concreto projetado endurecido BR112021020791A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19170324 2019-04-18
PCT/EP2020/060920 WO2020212607A1 (en) 2019-04-18 2020-04-17 Shotcrete composition

Publications (1)

Publication Number Publication Date
BR112021020791A2 true BR112021020791A2 (pt) 2021-12-14

Family

ID=66239936

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021020791A BR112021020791A2 (pt) 2019-04-18 2020-04-17 Composição de concreto projetado, processo e estrutura de concreto projetado endurecido

Country Status (13)

Country Link
US (1) US20220212994A1 (pt)
EP (1) EP3956273B1 (pt)
JP (1) JP2022529450A (pt)
CN (1) CN113905997A (pt)
AU (1) AU2020259147A1 (pt)
BR (1) BR112021020791A2 (pt)
CA (1) CA3136844A1 (pt)
CL (1) CL2021002706A1 (pt)
EA (1) EA202192823A1 (pt)
ES (1) ES2972403T3 (pt)
MX (1) MX2021012748A (pt)
PE (1) PE20220647A1 (pt)
WO (1) WO2020212607A1 (pt)

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CN113354332A (zh) * 2020-03-03 2021-09-07 云南迈浩科技有限公司 一种纳米特种外加剂的配方及其生产工艺
CN116917130A (zh) * 2021-03-05 2023-10-20 巴斯夫欧洲公司 胶结组合物
WO2023160766A1 (en) 2022-02-22 2023-08-31 Knauf Gips Kg Multi-component composition for printable mortar
CN118084437B (zh) * 2024-04-28 2024-06-18 石家庄铁道大学 喷射混凝土及其制备方法与应用

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DE3107852A1 (de) 1981-03-02 1982-09-16 Sika AG, vorm. Kaspar Winkler & Co., 8048 Zürich Verfahren zur herstellung von hochkonzentrierten, niedrigviskosen, waessrigen loesungen von melamin/aldehydharzen
AT397958B (de) * 1992-05-08 1994-08-25 Chemie Linz Gmbh Verwendung von kondensationsprodukten aus melamin und glyoxylsäure als zusatzmittel für hydraulische bindemittel und baustoff
GB9300704D0 (en) 1993-01-15 1993-03-03 Sandoz Ag Organic compounds
DE4411797A1 (de) 1994-04-06 1995-10-12 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von Sulfanilsäure enthaltenden Kondensationsprodukten auf Basis von Amino-s-triazinen
DE19609614A1 (de) 1995-03-17 1996-09-19 Sueddeutsche Kalkstickstoff Wasserlösliche Polykondensationsprodukte auf Basis von Amino-s-triazinen und deren Verwendung
DE19538821A1 (de) 1995-03-31 1996-10-02 Sueddeutsche Kalkstickstoff Kondensationsprodukte auf Basis von Amino-s-triazinen und deren Verwendung
MY114306A (en) 1995-07-13 2002-09-30 Mbt Holding Ag Cement dispersant method for production thereof and cement composition using dispersant
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Also Published As

Publication number Publication date
ES2972403T3 (es) 2024-06-12
EA202192823A1 (ru) 2022-03-02
WO2020212607A1 (en) 2020-10-22
AU2020259147A1 (en) 2021-11-11
CN113905997A (zh) 2022-01-07
PE20220647A1 (es) 2022-04-28
CL2021002706A1 (es) 2022-05-27
US20220212994A1 (en) 2022-07-07
JP2022529450A (ja) 2022-06-22
EP3956273A1 (en) 2022-02-23
EP3956273B1 (en) 2023-11-22
MX2021012748A (es) 2022-01-18
CA3136844A1 (en) 2020-10-22

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