EP3589601A1 - Hydraulische zusammensetzung für fugenmörtel - Google Patents

Hydraulische zusammensetzung für fugenmörtel

Info

Publication number
EP3589601A1
EP3589601A1 EP18706535.4A EP18706535A EP3589601A1 EP 3589601 A1 EP3589601 A1 EP 3589601A1 EP 18706535 A EP18706535 A EP 18706535A EP 3589601 A1 EP3589601 A1 EP 3589601A1
Authority
EP
European Patent Office
Prior art keywords
composition according
mixture
hydraulic
mortar
polysaccharide
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.)
Pending
Application number
EP18706535.4A
Other languages
English (en)
French (fr)
Inventor
Vanessa Kocaba
Sandra DARGUY
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.)
Chryso SAS
Original Assignee
Chryso SAS
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 Chryso SAS filed Critical Chryso SAS
Publication of EP3589601A1 publication Critical patent/EP3589601A1/de
Pending 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
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof
    • 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
    • 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
    • C04B24/38—Polysaccharides or derivatives thereof
    • C04B24/383—Cellulose or derivatives thereof
    • C04B24/386—Cellulose or derivatives thereof 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
    • 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
    • C04B40/0039—Premixtures of ingredients
    • 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
    • C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
    • C04B40/0658—Retarder inhibited mortars activated by the addition of accelerators or retarder-neutralising agents
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/06—Lining with building materials with bricks
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • 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
    • 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
    • C04B2111/00068—Mortar or concrete mixtures with an unusual water/cement ratio
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
    • 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
    • C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete

Definitions

  • the present invention relates to a hydraulic composition, preferably a mortar composition, in particular for tamping mortars, a process for its manufacture, its use for the preparation of tamping mortars as well as the mortars thus obtained.
  • the tunneling of tunnels involves, after the excavation of the ground and the evacuation of the cuttings, to secure the space created by placing segments against the walls and to fix the positioning of the segments by filling the annular space formed between the wall and the voussoirs.
  • the filling of the annular void can be carried out with gravel (inert filling) or with mortar (cohesive filling).
  • the material is injected only a few seconds after the installation, for example from pipes set back from the tunnel boring machine.
  • the construction of the tunnel also requires the use of a sealant, including tail seal sealant that prevents the penetration of water, mortar, improve the service life of the metal brushes. tunnel boring machine, etc. It is necessary to have a good compatibility between the mastic and the filler mortar. In particular, the mortar must not rise in the cracks that may exist in the mastic.
  • the tamping mortar must meet very demanding specifications.
  • the first component often designated as mixture A or slurry, comprises the hydrated hydraulic binder adjuvanted with a setting retarding agent and a stabilizer, for example a bentonite.
  • the mixture A is mixed with a mixture B comprising a setting accelerator.
  • a mixture B comprising a setting accelerator.
  • both components are mixed in the lines just before injection.
  • component B ensures rapid solidification of the mortar once injected.
  • the mortar becomes pasty after a few seconds. Nevertheless, the gel time must be carefully adjusted to allow a fast stabilization of the segments while avoiding a catch in the pipes and their subsequent blocking.
  • these mortars may lack robustness, and not meet all the desired performance criteria when the constituent materials vary.
  • the mixture A must be sufficiently fluid and stable to be able to be brought into the annular space, generally by pumping. It is furthermore expected that the stability and the rheological properties are maintained for the time of its transport and its storage on the site, up to 72 hours.
  • the tamping mortar must be compatible with the tail sealant to ensure the tightness of the segments.
  • An object of the invention is to provide a hydraulic composition, preferably a mortar composition, which can be used as a mixture A in two-component tamping mortars, making it possible to satisfy the requirements indicated in the tunnel tunneling construction and which also solves the problems mentioned above.
  • Another object of the invention is also to propose more stable solutions over time.
  • the invention provides a hydraulic composition, preferably a mortar composition, comprising: - water;
  • the weight ratio water / hydraulic binder being greater than 1, 5.
  • the polysaccharide is used as a rheology control agent.
  • the polysaccharide is chosen from welan gums, diutan gums, celluloses or their mixture.
  • the polysaccharide is chosen from welan gums and diutan gums, more particularly welan gums.
  • the polysaccharide is chosen from polysaccharides having a particle size d90 of less than 300 ⁇ .
  • the polysaccharide is chosen from welan gums, diutan gums, celluloses or their mixture having a d90 particle size of less than 300 ⁇ .
  • the polysaccharide is chosen from welan gums and diutan gums, more particularly welan gums having a d90 granulometry of less than 300 ⁇ .
  • the d90 corresponds to the diameter of more than 90% by volume of the particles.
  • more than 90% by volume of the particles have a diameter of less than 300 ⁇ .
  • Particle size distributions of the particles are measured by any method known to those skilled in the art. They can be measured using a MASTERSIZER 2000 MALVERN INSTRUMENT granulometer. In principle, the angular variation of light intensity is scattered as the laser beam passes through the sample of dispersed particles. Large particles scatter light at small angles to the laser beam from a red light source (Helium / Neon) with a wavelength of 632.8 nm and small particles scatter light at higher angles (source of blue light with a wavelength of the order of 466 nm. These data are analyzed to calculate the size of the particles that created the diffraction pattern through Mie's theory. The size of the particles is then represented by the diameter of the equivalent sphere, having the same volume as the particle. By convention, the optical properties required for the calculations have been defined as follows:
  • the composition according to the invention comprises from 0.1 to 5 g / l by weight of polysaccharide, preferably from 0.3 to 2 g / l by weight relative to the weight of the hydraulic composition.
  • the hydraulic composition according to the invention can be used as mixture A in two-component mortars.
  • the term "setting retarding agent” is used herein to mean a compound which, when added to a hydraulic composition, has the effect of delaying its setting by hydraulic setting compared to the same hydraulic composition without such a composition. agent.
  • This setting delay makes it possible to increase the open time of the hydraulic composition, that is to say the time during which it is always fluid and manipulable.
  • the setting retarding agent makes it possible to maintain the rheological properties, especially the consistency or workability, indicated by the flow value at the Marsh cone, for a prolonged period of time.
  • Suitable setting retarding agents for compositions according to the invention include, in particular, sugars and their derivatives, carboxylic or hydroxycarboxylic acids, phosphonic acids and their salts, and phosphates.
  • glucose and gluconates in particular sodium gluconate.
  • carboxylic or hydroxycarboxylic acids those having a pK A of from 2 to 5 are preferred. Particularly preferred are acetic acid, gluconic acid, citric acid, tartaric acid, malic acid and their salts and mixtures. Citric acid and gluconic acid and their salts and mixtures are particularly preferred.
  • amino triethylenphosphonic acid ATMP
  • ethylene diamine tetra methylenephosphonic acid ETMP
  • 1-hydroxyethylidene-1,1,1-diphosphonic acid HEDP
  • salts especially sodium
  • sodium tripolyphosphate and tetrapotassium pyrophosphate are preferred.
  • the setting retarding agent is chosen from phosphonates, sugars, preferably gluconates.
  • the content of retarding agent in the composition of the invention is preferably included in the conventional ranges and is adapted to the specific constraints of each site.
  • the setting should not occur before 72 hours after preparation of the composition according to the invention (or mixture A).
  • the setting retarding agent is preferably used in a proportion of 0.1 to 2% by dry weight of the weight of hydraulic binder, preferably 0.25 to 1% by dry weight of the weight of hydraulic binder.
  • hydraulic binder is understood to mean any compound having the property of hydrating in the presence of water and whose hydration makes it possible to obtain a solid having mechanical characteristics, in particular a cement such as a cement Portiand, cement aluminous, pozzolanic cement or an anhydrous or semi-hydrated calcium sulphate.
  • the hydraulic binder can be a cement according to EN197-1 (2001) and in particular a Portiand cement, mineral additions, especially dairy, or a cement comprising mineral additions.
  • cement means a cement according to EN 197-1 (2001) and in particular a cement of CEM I, CEM II, CEM III, CEM IV or CEM V type according to NF EN 197-1 (2012) .
  • the cement may include mineral additions.
  • the term "mineral additions” refers to slags (as defined in NF Cement Standard EN 197-1 (2012) section 5.2.2), steelmaking slags, pozzolanic materials (as defined in NF Cement Standard). EN 197-1 (2012) paragraph 5.2.3), fly ash (as defined in standard Cement NF EN 197-1 (2012) section 5.2.4), calcined schists (as defined in NF Cement Standard) EN 197-1 (2012) section 5.2.5), limescale (as defined in standard Cement NF EN 197-1 (2012) section 5.2.6) or fumed silica (as defined in the standard Cement NF EN 197-1 (2012) section 5.2.7) or their mixtures.
  • the weight ratio water / hydraulic binder is greater than or equal to 1.8, preferably between 2 and 10, preferably between 2.5 and 5.
  • the hydraulic composition according to the invention may also comprise additives, in particular a biocide and an antifoam, preferably in an amount of 0.01 to 2% by weight relative to the total weight of the composition.
  • the hydraulic composition according to the invention may also comprise clays, such as sepiolite, bentonite, montmorillonite, smectite, kaolinite, chlorite, illite.
  • clays such as sepiolite, bentonite, montmorillonite, smectite, kaolinite, chlorite, illite.
  • the clay acts as a stabilizer of the hydraulic composition for its use as a mixture A in two-component mortars.
  • the inventors have found that the addition of clay was not necessary in the hydraulic composition according to the invention.
  • the hydraulic composition of the invention is free of clay.
  • the hydraulic composition according to the invention preferably comprises 0 to 8%, and in particular 0.5 to 5% by dry weight of clay.
  • the composition according to the invention is free of dispersant, in particular of dispersing polymer, such as for example PCP (polyalkoxylated polycarboxylate), polynaphthalene sulphonate, polymelamine sulphonate, lignosulphonate.
  • dispersing polymer such as for example PCP (polyalkoxylated polycarboxylate), polynaphthalene sulphonate, polymelamine sulphonate, lignosulphonate.
  • Another object of the present invention is a method for preparing a stuffing mortar comprising the steps of:
  • the present application also relates to the filler mortar thus obtained or "two-component mortar".
  • two-component mortar refers to mortars based on hydraulic binder formulated in two components.
  • the component called “Mixture A” has a prolonged workability and a pumping ability allowing its routing from the plant and possible storage on site.
  • the mixture A is mixed with the mixture B comprising a setting accelerator which ensures almost immediate gelation and is accompanied by a development of the compressive strength.
  • the mixture A is the hydraulic composition described above.
  • the setting accelerator ensures almost immediate solidification of the mortar as well as a rapid rise in compressive strength, thus securing the positioning of the segments.
  • suitable setting accelerating agents mention may in particular be made of conventional setting accelerators such as calcium and sodium nitrate, calcium and sodium nitrite, calcium and sodium thiocyanate, calcium and sodium formate, aluminum sulphate and sodium silicate.
  • sodium silicate is particularly preferred.
  • the two-component mortar according to the invention is prepared in the usual manner from a hydraulic composition according to the invention as mixture A and a mixture B.
  • the formulation can also, if necessary, comprise a clay as specified above, in particular a bentonite.
  • the specific choice of the hydraulic composition according to the invention as mixture A may make it possible to dispense with the use of a clay.
  • the mixture B is preferably a liquid formulation comprising at least one setting accelerator in combination with possible additives, for example antifoam, biocide, etc.
  • a mixture B in the form of an aqueous solution is particularly preferred.
  • the mixture B is dosed in volume at 8 to 12% of the volume of hydraulic composition according to the invention (mixture A).
  • the preparation of the hydraulic composition according to the invention and of the mixture B and their mixing can be done in a conventional manner.
  • the result is expressed in s / L, with an intrinsic measurement uncertainty of ⁇ 0.5 s / L.
  • the particle size is measured as specified above.
  • the polysaccharide 4 has a viscosity, measured at 20 ° C. with a Rotovisko apparatus programmed on a shear rate of between 2 and 55 sec -1 on a 1% concentrated aqueous solution of 8600 mPa.s- 1 .
  • Hydraulic compositions mixture A, were prepared. These compositions were prepared with a Rayneri kneader equipped with a deflocculating blade according to the following procedure:
  • the indicated amount of water was introduced. After stirring at a speed of 1500 rpm (fixed rate for the duration), the setting retarder was added and stirred for a further 30 seconds. Finally, the cement and the polysaccharide according to the invention were added and stirred for a further 30 seconds.
  • compositions 1, 2 and 3 according to the invention have a bleeding rate of less than 10% at 72 h and a satisfactory Marsh cone flow time.
  • Test 4 shows that the polysaccharide 4 does not stabilize the mortar correctly and a large bleed is measured.
  • the gel time is the time that the mortar A + B has to go from a liquid state to a gel.
  • the mixing protocol of Mixture A with Mixture B is as follows and is derived from Testing Procedures for Two-Component Annulus Grouts, Phil Antunes, North American Tunneling 2012 Proceedings, (Ed .: Matthew Fowler, Robert Palermo, Robert Pintabona, Michael Smithson, Jr. published by EMS, 2012) pages 14-22:
  • the gelation time is expressed in seconds and is usually between 10 and 30 seconds.
  • the gel time for test 2 is 17 seconds and that for test 3 is 20 seconds.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
EP18706535.4A 2017-02-28 2018-02-28 Hydraulische zusammensetzung für fugenmörtel Pending EP3589601A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1751614A FR3063289B1 (fr) 2017-02-28 2017-02-28 Composition hydraulique pour mortier de bourrage
PCT/EP2018/054899 WO2018158299A1 (fr) 2017-02-28 2018-02-28 Composition hydraulique pour mortier de bourrage

Publications (1)

Publication Number Publication Date
EP3589601A1 true EP3589601A1 (de) 2020-01-08

Family

ID=59031089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18706535.4A Pending EP3589601A1 (de) 2017-02-28 2018-02-28 Hydraulische zusammensetzung für fugenmörtel

Country Status (6)

Country Link
US (1) US11884592B2 (de)
EP (1) EP3589601A1 (de)
AU (1) AU2018228701B2 (de)
FR (1) FR3063289B1 (de)
SG (1) SG11201907752WA (de)
WO (1) WO2018158299A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113429149A (zh) * 2021-07-02 2021-09-24 成都嘉新科技集团有限公司 一种高早强无碱液体速凝剂及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE188725T1 (de) 1995-07-25 2000-01-15 Dyckerhoff Ag Injektionsmittel sowie unter verwendung des injektionsmittels hergestellte injektionssuspensionen
JP3704394B2 (ja) * 1996-04-04 2005-10-12 信越化学工業株式会社 非開削工法用流動性組成物
DE19854478C2 (de) * 1998-11-25 2002-03-28 Dyckerhoff Ag Verwendung einer sulfatträgerfreien hydraulischen Injektions-Bindemittelzusammensetzung
JP3766889B2 (ja) * 2000-09-18 2006-04-19 住友大阪セメント株式会社 裏込め注入材料用凝結遅延剤、裏込め注入材料、及び裏込め注入工法
DE102004039107A1 (de) * 2003-08-21 2005-06-30 Anneliese Zementwerke Ag Höchwärmeleitfähiger Verfüllbaustoff für tiefe Erdwärmesonden
WO2009068380A1 (de) 2007-11-29 2009-06-04 Construction Research & Technology Gmbh Tunnel backfilling method
FR2961804B1 (fr) 2010-06-24 2013-11-01 Lafarge Sa Composition hydraulique
FR2961805B1 (fr) 2010-06-24 2013-11-01 Lafarge Sa Composition hydraulique retardee a prise declenchee par un accelerateur
US20150027346A1 (en) * 2013-07-24 2015-01-29 Jesse Osborne, JR. Tunneling annulus grout

Also Published As

Publication number Publication date
FR3063289A1 (fr) 2018-08-31
US20190375684A1 (en) 2019-12-12
FR3063289B1 (fr) 2021-08-06
US11884592B2 (en) 2024-01-30
WO2018158299A1 (fr) 2018-09-07
AU2018228701A1 (en) 2019-08-22
SG11201907752WA (en) 2019-09-27
AU2018228701B2 (en) 2023-08-03

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