CA1315960C - Reclaiming of waste concrete - Google Patents

Reclaiming of waste concrete

Info

Publication number
CA1315960C
CA1315960C CA 545153 CA545153A CA1315960C CA 1315960 C CA1315960 C CA 1315960C CA 545153 CA545153 CA 545153 CA 545153 A CA545153 A CA 545153A CA 1315960 C CA1315960 C CA 1315960C
Authority
CA
Canada
Prior art keywords
acid
concrete
methylenephosphonic acid
accelerator
retarder
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
CA 545153
Other languages
English (en)
French (fr)
Inventor
Gregory S. Bobrowski
Gregory C. Johnny Guecia
David A. Lupyan
Frederick D. Kinney
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.)
Construction Research and Technology GmbH
Original Assignee
Sandoz AG
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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of CA1315960C publication Critical patent/CA1315960C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/16—Waste materials; Refuse from building or ceramic industry
    • 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
    • C04B40/02—Selection of the hardening environment
    • 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
    • C04B2103/12—Set accelerators
    • 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
    • C04B2103/20—Retarders
    • C04B2103/22—Set retarders
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Processing Of Solid Wastes (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
CA 545153 1986-08-26 1987-08-24 Reclaiming of waste concrete Expired - Lifetime CA1315960C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90048986A 1986-08-26 1986-08-26
US900,489 1986-08-26

Publications (1)

Publication Number Publication Date
CA1315960C true CA1315960C (en) 1993-04-13

Family

ID=25412613

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 545153 Expired - Lifetime CA1315960C (en) 1986-08-26 1987-08-24 Reclaiming of waste concrete

Country Status (16)

Country Link
JP (2) JPS6360184A (xx)
KR (1) KR930006338B1 (xx)
CN (1) CN1023998C (xx)
AT (1) AT393501B (xx)
AU (2) AU591327B2 (xx)
BE (1) BE1002417A4 (xx)
CA (1) CA1315960C (xx)
CH (1) CH677788A5 (xx)
DE (1) DE3727907C2 (xx)
ES (1) ES2007402A6 (xx)
FR (1) FR2603275B1 (xx)
GB (1) GB2194528B (xx)
HK (1) HK86493A (xx)
IT (1) IT1211682B (xx)
PH (1) PH24105A (xx)
SG (1) SG34793G (xx)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1211682B (it) * 1986-08-26 1989-11-03 Sandoz Ag Procedimento di ricupero di calcestruzzo di scarto
MY110252A (en) * 1988-01-14 1998-03-31 Construction Research & Technology Gmbh Method for stabilizing concrete residues.
US5203919A (en) * 1988-01-14 1993-04-20 Sandoz Ltd. Method and compositions for stabilizing concrete residues
JPH03159944A (ja) * 1989-11-14 1991-07-09 Fujita Corp 中性子遮蔽コンクリートの施工方法
CH678526A5 (xx) * 1990-01-27 1991-09-30 Sandoz Ag
US4976316A (en) * 1990-02-20 1990-12-11 Atlantic Richfield Company Method of accelerating set of cement by washover fluid containing alkanolamine
CH680730A5 (xx) * 1990-07-09 1992-10-30 Sika Ag
GB2248612B (en) * 1990-10-10 1994-10-12 Ciba Geigy Ag Corrosion inhibition in concrete structures
FR2680130A1 (fr) * 1991-08-07 1993-02-12 Kadim Ltd Procede de mise en óoeuvre d'un liant hydraulique et dispositif d'application dudit liant.
FR2699915B1 (fr) * 1992-12-29 1995-03-10 Prod Ind Cfpi Franc Composition de matières améliorant les propriétés rhéologiques des produits à base de ciments.
FR2724648B1 (fr) * 1994-09-20 1997-09-05 Sandoz Sa Controle de l'hydratation de systemes a base de ciment
DE19518469B4 (de) * 1995-05-19 2007-05-03 Construction Research & Technology Gmbh Verfahren zur Wiederaufbereitung von Restbeton
GB9511700D0 (en) * 1995-06-09 1995-08-02 Sandoz Ltd Improvements in or relating to organic compounds
DE19714632A1 (de) * 1997-04-09 1998-10-15 Quinting Gmbh Betonzusammensetzung für die Herstellung von Betonbauteilen, die ohne weitere Oberflächenabdichtung bzw. eingelegter Kunststoff- oder Metallabdichtungen für flüssige, einschließlich verflüssigter Gase, pastöse oder feste wassergefährdende Stoffe undurchlässig sind, diese Bauteile dienen als Barriere gegen wassergefährdende Stoffe aller Art
ES2183673B1 (es) * 2000-02-03 2004-09-01 Sic Lazaro, S.L. Procedimiento para la fabricacion de contrapesos de alta densidad.
WO2002024425A1 (en) * 2000-09-21 2002-03-28 Rdc Holdings Pte Ltd Production of concrete
JP2002226241A (ja) * 2001-01-30 2002-08-14 Mitsui Constr Co Ltd 真空凍結乾燥によるコンクリート材料のリサイクル方法
EP1727775B8 (en) * 2004-03-19 2008-05-07 James Hardie International Finance B.V. Multiple mode accelerating agent for cementitious materials
DE202005021508U1 (de) * 2005-04-06 2008-08-07 Sto Ag Vorrichtung zum Verarbeiten von Baumaterial
JP2007076976A (ja) * 2005-09-16 2007-03-29 Esu Ea:Kk 練混ぜ済みモルタルの流動性保持方法並びに凝結調整方法
JP2007293561A (ja) * 2006-04-25 2007-11-08 Shoichi Nakamura 個人認証用装身具
SE533961C2 (sv) * 2007-02-22 2011-03-15 Saint Gobain Byggprodukter Ab Fördröjningskomposition, användning av sådan komposition och metod för hantering av bruk
DE102007060455A1 (de) 2007-12-12 2009-06-18 Deutsche Amphibolin-Werke Von Robert Murjahn Stiftung & Co. Kg Vorrichtung zum Durchmischen von Baumaterial
EP2553188B1 (en) 2010-12-20 2018-07-25 Industrilås I Nässjö AB Handle assembly for double-walled door
US9725369B2 (en) 2014-08-13 2017-08-08 Crispycrete, Llc Method of processing unhardened concrete
CN110278710A (zh) * 2017-02-22 2019-09-24 电化株式会社 用于以预拌混凝土方式出货的快硬混凝土的硬化剂、以预拌混凝土方式出货的快硬混凝土材料、以预拌混凝土方式出货的快硬混凝土组合物及其调制方法
CN108101410A (zh) * 2017-12-28 2018-06-01 湖北鑫统领万象科技有限公司 一种家装水泥外加剂及其应用
CN110436808B (zh) * 2019-09-10 2021-08-06 同济大学 一种新鲜报废混凝土的再生利用方法
CN110776297A (zh) * 2019-10-28 2020-02-11 安徽理工大学 一种硫铝酸盐水泥基混凝土及其制备工艺
CN115926067A (zh) * 2022-12-28 2023-04-07 科之杰新材料集团有限公司 一种混凝土用耐高温型超支化缓凝剂及其制备方法
EP4417587A1 (en) * 2023-02-20 2024-08-21 Sika Technology AG Methods for the application in thick layer of cementitious compositions comprising kinetic regulator

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754200A (fr) * 1969-08-01 1970-12-31 W R Grace & Cy Compositions de platre et de ciment et produits manufactures flexibles faits de ces compositions
JPS5025623A (xx) * 1973-07-05 1975-03-18
JPS5115856A (en) * 1974-07-30 1976-02-07 Jiro Ito Ryutai funtai yobunriki
JPS535222A (en) * 1976-07-02 1978-01-18 Nippon Concrete Ind Co Ltd Utilization method of cement contained waste water
GB1538103A (en) * 1977-07-14 1979-01-10 Ici Ltd Set-promoting composition for calcium sulphate hemihydrate plaster
JPS55149153A (en) * 1979-05-02 1980-11-20 Kao Corp Recycling method of concrete slag
DE2937835A1 (de) * 1979-09-19 1981-04-02 Ohsmann, Hans, 4796 Salzkotten Hydraulische bindemittel, die sich fuer die herstellung von verzoegerten putz- oder mauermoerteln bzw. transportmoerteln eignen
CH646124A5 (de) * 1980-01-25 1984-11-15 Sika Ag Verputz- und mauermoertel mit verlaengerter abbindezeit.
US4466834A (en) * 1983-01-03 1984-08-21 W. R. Grace & Co. Corrosion inhibiting additive for cement compositions
JPS59195564A (ja) * 1983-04-20 1984-11-06 旭化成株式会社 セメントの凝結硬化調節方法
US4466836A (en) * 1983-04-28 1984-08-21 The Dow Chemical Company Set retarding compounds for use in cement slurries
JPS6140854A (ja) * 1984-07-31 1986-02-27 藤沢薬品工業株式会社 深層混合処理工法用の硬化遅延剤
IT1211682B (it) * 1986-08-26 1989-11-03 Sandoz Ag Procedimento di ricupero di calcestruzzo di scarto

Also Published As

Publication number Publication date
AU624316B3 (en) 1992-04-08
DE3727907A1 (de) 1988-03-03
JPS6360184A (ja) 1988-03-16
DE3727907C2 (de) 1996-11-07
KR930006338B1 (ko) 1993-07-14
GB2194528B (en) 1990-07-25
HK86493A (en) 1993-08-27
KR880002771A (ko) 1988-05-11
JPH0517266A (ja) 1993-01-26
CH677788A5 (xx) 1991-06-28
AT393501B (de) 1991-11-11
GB8719953D0 (en) 1987-09-30
ATA212187A (de) 1991-04-15
CN1023998C (zh) 1994-03-16
FR2603275B1 (fr) 1991-11-22
AU591327B2 (en) 1989-11-30
AU7734787A (en) 1988-03-03
ES2007402A6 (es) 1989-06-16
IT1211682B (it) 1989-11-03
CN87105879A (zh) 1988-03-16
JPH0215519B2 (xx) 1990-04-12
SG34793G (en) 1993-06-11
PH24105A (en) 1990-03-05
FR2603275A1 (fr) 1988-03-04
JP2694883B2 (ja) 1997-12-24
IT8748236A0 (it) 1987-07-28
BE1002417A4 (fr) 1991-02-05
GB2194528A (en) 1988-03-09

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Legal Events

Date Code Title Description
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121205