FR2961805B1 - DELAYED HYDRAULIC COMPOSITION TRIPPED BY AN ACCELERATOR - Google Patents

DELAYED HYDRAULIC COMPOSITION TRIPPED BY AN ACCELERATOR

Info

Publication number
FR2961805B1
FR2961805B1 FR1055069A FR1055069A FR2961805B1 FR 2961805 B1 FR2961805 B1 FR 2961805B1 FR 1055069 A FR1055069 A FR 1055069A FR 1055069 A FR1055069 A FR 1055069A FR 2961805 B1 FR2961805 B1 FR 2961805B1
Authority
FR
France
Prior art keywords
hydraulic composition
accelerator
tripped
variation
standard
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 - Fee Related
Application number
FR1055069A
Other languages
French (fr)
Other versions
FR2961805A1 (en
Inventor
Liam Guise
Helene Lombois-Burger
Serge Sabio
Alain Jacquet
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.)
Lafarge SA
Original Assignee
Lafarge SA
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 Lafarge SA filed Critical Lafarge SA
Priority to FR1055069A priority Critical patent/FR2961805B1/en
Priority to PCT/FR2011/051452 priority patent/WO2011161384A1/en
Publication of FR2961805A1 publication Critical patent/FR2961805A1/en
Application granted granted Critical
Publication of FR2961805B1 publication Critical patent/FR2961805B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/20—Retarders
    • C04B2103/22—Set retarders

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

The present invention relates to a hydraulic composition, comprising cement, a retarding agent, a superplasticizer and an agent comprising a compound chosen from a water-soluble salt, a lamellar double hydroxide, hydrate nuclei, a granular element having a BET specific surface area of greater than 5 m2/g, or a mixture of these compounds. Over at least 45 minutes after the addition of the accelerator, the variation in the slump of the hydraulic composition, measured according to the EN 12350-2 standard, is less than 50 mm or the variation in the spreading of the hydraulic composition, measured with a cone according to the EN 12350-2 standard, is less than 100 mm. The compressive strength of the hydraulic composition is at least equal to 1 MPa 24 hours after the start of setting of the hydraulic composition.
FR1055069A 2010-06-24 2010-06-24 DELAYED HYDRAULIC COMPOSITION TRIPPED BY AN ACCELERATOR Expired - Fee Related FR2961805B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1055069A FR2961805B1 (en) 2010-06-24 2010-06-24 DELAYED HYDRAULIC COMPOSITION TRIPPED BY AN ACCELERATOR
PCT/FR2011/051452 WO2011161384A1 (en) 2010-06-24 2011-06-23 Hydraulic composition, the delayed setting of which is initiated by an accelerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1055069A FR2961805B1 (en) 2010-06-24 2010-06-24 DELAYED HYDRAULIC COMPOSITION TRIPPED BY AN ACCELERATOR

Publications (2)

Publication Number Publication Date
FR2961805A1 FR2961805A1 (en) 2011-12-30
FR2961805B1 true FR2961805B1 (en) 2013-11-01

Family

ID=43413610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1055069A Expired - Fee Related FR2961805B1 (en) 2010-06-24 2010-06-24 DELAYED HYDRAULIC COMPOSITION TRIPPED BY AN ACCELERATOR

Country Status (2)

Country Link
FR (1) FR2961805B1 (en)
WO (1) WO2011161384A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6276377B2 (en) * 2013-03-15 2018-02-07 ハーキュリーズ エルエルシー Hydraulic composition with extended open time
FR3030499B1 (en) * 2014-12-18 2017-01-20 Lafarge Sa HYDRAULIC COMPOSITION FOR THE PRODUCTION OF PAVEMENTS
FR3063289B1 (en) 2017-02-28 2021-08-06 Chryso HYDRAULIC COMPOSITION FOR JAM MORTAR
US11746051B2 (en) 2020-01-24 2023-09-05 Permabase Building Products, Llc Cement board with water-resistant additive

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964917A (en) * 1986-08-26 1990-10-23 Sandoz Ltd. Methods and compositions for reclaiming concrete
CH681720A5 (en) * 1991-04-12 1993-05-14 Sika Ag
EP0537872A1 (en) 1991-10-18 1993-04-21 W.R. Grace & Co.-Conn. Corrosion inhibiting hydraulic cement additives and compositions containing same
FR2708592B1 (en) * 1993-07-29 1995-09-29 Lafarge Coppee Accelerating and hardening agent for silicic hydraulic binders.
ES2164618T3 (en) 2000-03-22 2013-10-29 Sika Technology Ag Cement additive for improved settlement duration
US6858074B2 (en) 2001-11-05 2005-02-22 Construction Research & Technology Gmbh High early-strength cementitious composition
US20040149174A1 (en) 2003-02-05 2004-08-05 Mbt Holding Ag Accelerating admixture for concrete
WO2006023911A2 (en) 2004-08-20 2006-03-02 Alberto Gorrochategui Barrueta Biological tissue regenerative agent and method for preparing and using same
CA2554347C (en) * 2005-08-01 2013-10-01 National Research Council Of Canada Controlled release of chemical admixtures
KR101289749B1 (en) 2005-10-14 2013-07-26 더블유.알. 그레이스 앤드 캄파니-콘. Slump retention in cementitious compositions
EP2075240B1 (en) * 2007-12-20 2013-02-27 Sika Technology AG Catalyst for reactivation of delayed cementitious systems
US8519029B2 (en) 2008-06-16 2013-08-27 Construction Research & Technology Gmbh Copolymer admixture system for workability retention of cementitious compositions

Also Published As

Publication number Publication date
FR2961805A1 (en) 2011-12-30
WO2011161384A1 (en) 2011-12-29

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Effective date: 20180228