CA1315960C - Reclaiming of waste concrete - Google Patents
Reclaiming of waste concreteInfo
- 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
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)
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)
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)
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 |
-
1987
- 1987-07-28 IT IT4823687A patent/IT1211682B/it active
- 1987-08-21 DE DE3727907A patent/DE3727907C2/de not_active Expired - Lifetime
- 1987-08-24 KR KR1019870009236A patent/KR930006338B1/ko not_active IP Right Cessation
- 1987-08-24 AU AU77347/87A patent/AU591327B2/en not_active Expired
- 1987-08-24 GB GB8719953A patent/GB2194528B/en not_active Expired - Lifetime
- 1987-08-24 BE BE8700940A patent/BE1002417A4/fr not_active IP Right Cessation
- 1987-08-24 CA CA 545153 patent/CA1315960C/en not_active Expired - Lifetime
- 1987-08-24 CH CH3231/87A patent/CH677788A5/de not_active IP Right Cessation
- 1987-08-24 FR FR8711878A patent/FR2603275B1/fr not_active Expired - Lifetime
- 1987-08-25 JP JP62209413A patent/JPS6360184A/ja active Granted
- 1987-08-25 PH PH35727A patent/PH24105A/en unknown
- 1987-08-25 AT AT2121/87A patent/AT393501B/de not_active IP Right Cessation
- 1987-08-25 CN CN87105879A patent/CN1023998C/zh not_active Expired - Lifetime
- 1987-08-26 ES ES8702476A patent/ES2007402A6/es not_active Expired
-
1991
- 1991-05-30 AU AU78017/91A patent/AU624316B3/en not_active Ceased
- 1991-09-12 JP JP3233084A patent/JP2694883B2/ja not_active Expired - Lifetime
-
1993
- 1993-03-29 SG SG34793A patent/SG34793G/en unknown
- 1993-08-19 HK HK86493A patent/HK86493A/xx not_active IP Right Cessation
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 |