WO2007061266A1 - Composition de beton ultra haute resistance - Google Patents

Composition de beton ultra haute resistance Download PDF

Info

Publication number
WO2007061266A1
WO2007061266A1 PCT/KR2006/005016 KR2006005016W WO2007061266A1 WO 2007061266 A1 WO2007061266 A1 WO 2007061266A1 KR 2006005016 W KR2006005016 W KR 2006005016W WO 2007061266 A1 WO2007061266 A1 WO 2007061266A1
Authority
WO
WIPO (PCT)
Prior art keywords
concrete composition
ultra
concrete
high strength
binding material
Prior art date
Application number
PCT/KR2006/005016
Other languages
English (en)
Inventor
Seung-Hoon Lee
Gyu-Dong Kim
Yu-Shin Shon
Han-Jun Kim
Chan-Kyu Park
Original Assignee
Samsung Corporation
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
Priority claimed from KR1020050114030A external-priority patent/KR100686353B1/ko
Priority claimed from KR1020050114027A external-priority patent/KR100686350B1/ko
Application filed by Samsung Corporation filed Critical Samsung Corporation
Publication of WO2007061266A1 publication Critical patent/WO2007061266A1/fr

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
    • C04B28/14—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 calcium sulfate cements
    • C04B28/16—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 calcium sulfate cements containing anhydrite, e.g. Keene's cement
    • 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

Definitions

  • the present invention relates to an ultra-high strength concrete composition having a strength of 150 D or more and, more particularly, to an ultra-high strength concrete composition which includes a binding material containing cement, fine blast furnace slag powder, silica fume, and anhydrite mixed with each other with a predetermined mixing ratio, and water at a mixing ratio of 12 to 15 wt% to ensure a predetermined workability, and has the strength of 150 D or more.
  • the present invention relates to a high fire-resistant ultra-high strength concrete composition which is mixed with a predetermined amount of fibers for preventing spalling of concrete to have the strength of 150 D or more and high resistance to fire.
  • ultra-high strength concrete has been used.
  • the ultra-high strength concrete is used to reduce sectional areas of pillars, thereby reducing production cost of the frame in the case of RC structures and SRC structures.
  • the amount of the steel frame material is significantly reduced, thus contributing to improvement in cost efficiency.
  • the ultra-high strength concrete is used to reduce the sectional area of the pillar, a large inner room is ensured and usefully utilized.
  • a general ultra-high strength concrete means curable concrete that has the compressive strength of 80 D or more.
  • cement that is mixed with silica fume, fine blast furnace slag powder, and fly ash which are industrial byproducts has been used as a binding material to produce ultra-high strength concrete of 100 to 120 D.
  • a process that is applied to produce the concrete having the still better performance has not yet been developed.
  • the present invention has been made in consideration of the above disadvantages occurring in the related arts, and it is an object of the present invention to provide an ultra-high strength concrete composition which includes a binding material containing cement, fine blast furnace slag powder, silica fume, and anhydrite mixed with a predetermined mixing ratio, and water mixed with a ratio of 12 to 15 wt% to ensure a predetermined workability, and has the strength of 150 D or more.
  • the present invention provides an ultrahigh strength concrete composition that includes 140 to 160 D of water per 1 D of the concrete composition, 933 to 1333 D of a binding material per 1 D of the concrete composition, 336 to 611 D of a fine aggregate per 1 D of the concrete composition, and 550 to 919 D of a coarse aggregate per 1 D of the concrete composition.
  • a water-binding material ratio is 12 to 15 wt%
  • a fine aggregate ratio is 35 to 45 %
  • the binding material includes cement, fine blast furnace slag powder, anhydrite, and silica fume.
  • the present invention provides the high fire-resistant ultra-high strength concrete composition that further includes 0.25 to 0.35 Vol% of fibers for preventing spalling of concrete based on the concrete composition.
  • An ultra-high strength concrete according to the present invention includes a binding material in which cement is separately mixed with fine blast furnace slag powder, silica fume, and anhydrite with a predetermined mixing ratio, or a premixed binding material in order to improve fluidity and long-term strength. Water and the binding material are mixed with each other with a low water-binding material ratio in the concrete.
  • the mixing ratios are described in detail in the following Table 1.
  • Water-binding material ratio (W/B) [23] In order to produce the ultra-high strength concrete having the design strength of 150 MPa, the water-binding material ratio is set to 12 to 15 wt%. If the water-binding material ratio is 12 wt% or less, the fluidity of concrete is undesirable. Thus, the workability is poor. If the water-binding material ratio is 15 wt% or more, it is difficult to accomplish the object of the present invention that includes obtaining of the ultrahigh strength.
  • the fine aggregate ratio is a ratio of the volume of sand to the total volume of aggregate (sand + gravel), used to determine the fluidity of the concrete, and set to 35.0 to 45.0 % in consideration of the fineness modulus of the fine aggregate. Since the ultra-high strength concrete composition according to the present invention has the high weight of binding material per unit volume of concrete, the composition has high viscosity. In the case of when the ultra-high strength concrete composition also includes the large amount of fine aggregate, the viscosity is very high, thus the fluidity of the concrete may be reduced. In consideration of the above-mentioned description, in the present invention, the fine aggregate ratio is set so that desirable fluidity is obtained.
  • Water (W) Water which does not contain hazardous materials (subterranean water, tap water, and so on) is used, and is the same as mixing water (water) used to produce typical concrete.
  • the amount of water is set to 140 to 160 D/D which is a relatively low amount unlike the mixture of the typical concrete. The amount is set to prevent the fluidity from being significantly reduced and to reduce the heat of hydration.
  • Binding material (B) [29] Compounding materials such as the cement that is used in the typical concrete, the fine blast furnace slag powder, the silica fume, and the anhydrite are separately mixed with each other at a predetermined ratioto produce the binding material, or the premixed binding material is used.
  • the compounding material improves the fluidity of concrete that is not hardened and contributes to the generation of long-term strength unlike the case of when only the cement is used.
  • the weight of the binding material per unit volume of concrete is set to 933 to 1333 D/D so as to obtain the ultra-high strength.
  • the fine blast furnace slag powder is used to reduce the heat of hydration of the cement, increase the amount of hydrate products, form a dense structure, and improve the long-term strength.
  • anhydrites are used to act as a stimulant of the fine blast furnace slag powder that is a potential hydraulic material and to form the dense structure due to an effective expansion.
  • the silica fume that is already known to be useful to ensure the ultra-high strength is used.
  • the fine blast furnace slag powder having a high fineness of 3,500 to 7,500 D/g and the anhydrite having a high fineness of 4,500 to 6,500 D/g are used, the fine blast furnace slag powder and the anhydrite are desirably mixed with each other and desirably dispersed to improve the fluidity and the strength.
  • Examples of the fine aggregate (sand) include typical fine aggregate that is used in a ready-mixed concrete company. It is preferable that a fineness modulus of the fine aggregate be 2.8 to 3.0 in order to ensure desirable fluidity of the concrete and reduce the viscosity.
  • the weight of fine aggregate per unit volume of concrete is set to 336 to 611 D/D.
  • the maximum particle size of the coarse aggregate is set to 20 D or less in consideration of the strength of the concrete, and the aggregate has a strength of 150 D or more.
  • the weight of the coarse aggregate per unit volume of concrete is set to 550 to 919 D/D.
  • the ultra-high strength concrete composition according to the present invention has the low water-binding material ratio, it is preferable to further add the high-range water reducing agent.
  • the high-range water reducing agent include the polycarboxylate based high-range water reducing agent having excellent dispersing ability and water reduction.
  • the polycarboxylate based high-range water reducing agent is preferably mixed so that the amount of polycarboxylate based high-range water reducing agent be 2.0 to 3.5 wt% based on the amount of the binding material.
  • the amount of shrinkage reducing agent be 1.0 to 2.0 wt% of the binding material.
  • the fibers for preventing spalling of concrete are added.
  • the amount of fibers for preventing spalling of concrete is set so that the strength of the concrete is not reduced. To be more specific, it is preferable that the amount of fibers be 0.25 to 0.35 vol% based on the concrete.
  • the site arrival slump flow was 65 D or more. This meant that the fluidity was desirable during the application of the concrete.
  • the strength was 140 D when the age was 28 days, and the strength was 150 D or more that was the design standard strength when the target age was 56 days. With respect to the strength of the core, the strength satisfied the design standard when the age was 3 days due to generation of the early heat of hydration.
  • a binding material in which cement is mixed with fine blast furnace slag powder, silica fume, and anhydrite at a predetermined ratio is used, and the mixing is performed at a low water- binding material ratio of 12 to 15 wt%.
  • desirable workability is ensured, and concrete that has ultra-high strength of more than 150 D is produced. Accordingly, if the ultra-high strength concrete is used to construct skyscrapers, it is expected that a sectional area of the frame can be significantly reduced, construction can be effectively performed, and a large interior space can be ensured.

Landscapes

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

Abstract

L'invention concerne une composition de béton ultra haute résistance qui possède une résistance égale ou supérieure à 150 MPa. Cette composition comprend un matériau de liaison contenant du ciment, une fine poudre de laitier de haut fourneau, des fumées de silice et de l'anhydrite, mélangés selon un rapport de mélange prédéterminé, et de l'eau à raison de 12 à 15 % en poids pour conférer à la composition une maniabilité prédéterminée, ladite composition présentant une résistance égale ou supérieure à 150 MPa. La composition de béton ultra haute résistance comprend aussi une quantité prédéterminée de fibres afin de prévenir l'éclatement du béton et de conférer à celui-ci une forte résistance au feu. Cette composition comprend de 140 à 160 kg/m3 d'eau par unité de volume de béton, de 933 à 1333 kg/m3 d'un matériau de liaison par unité de volume de béton, de 336 à 611 kg/m3 d'agrégat fin par unité de volume de béton, et de 550 à 919 kg/m3 d'agrégat grossier par unité de volume de béton. Le pourcentage de matériau de liaison aqueux est compris entre 12 et 15 % en poids, le pourcentage d'agrégat fin est compris entre 35 et 45 %, et le matériau de liaison comprend du ciment, de la poudre fine de laitier de haut fourneau, de l'anhydrite et des fumées de silice. La composition de béton ultra haute résistance et à forte résistance au feu comprend de plus de 0,25 à 0,35 % en volume de fibres, par rapport à la composition de béton, pour prévenir l'éclatement du béton.
PCT/KR2006/005016 2005-11-28 2006-11-27 Composition de beton ultra haute resistance WO2007061266A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2005-0114027 2005-11-28
KR10-2005-0114030 2005-11-28
KR1020050114030A KR100686353B1 (ko) 2005-11-28 2005-11-28 고내화성 초고강도 콘크리트 조성물
KR1020050114027A KR100686350B1 (ko) 2005-11-28 2005-11-28 초고강도 콘크리트 조성물

Publications (1)

Publication Number Publication Date
WO2007061266A1 true WO2007061266A1 (fr) 2007-05-31

Family

ID=38067437

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2006/005016 WO2007061266A1 (fr) 2005-11-28 2006-11-27 Composition de beton ultra haute resistance

Country Status (1)

Country Link
WO (1) WO2007061266A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2837609A1 (fr) * 2013-08-12 2015-02-18 Rigas Tehniska Universitate Composition de béton nano-modifiée à ultra haute performance avec des déchets de poudre de lampe en verre de borosilicate
JP2017024974A (ja) * 2015-02-24 2017-02-02 太平洋セメント株式会社 セメント組成物
GB2543378A (en) * 2013-10-11 2017-04-19 Metssl Ltd Binder composition for use with aggregates
CN115974466A (zh) * 2022-12-02 2023-04-18 中建三局集团有限公司 一种超高强混凝土及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0578154A (ja) * 1991-09-20 1993-03-30 Osaka Cement Co Ltd 高強度ガラス繊維補強コンクリート組成物
JPH06191918A (ja) * 1992-09-30 1994-07-12 Takenaka Komuten Co Ltd 超高強度水硬性セメント組成物
JP2004051398A (ja) * 2002-07-17 2004-02-19 Mitsubishi Materials Corp 高強度ドライモルタル及びその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0578154A (ja) * 1991-09-20 1993-03-30 Osaka Cement Co Ltd 高強度ガラス繊維補強コンクリート組成物
JPH06191918A (ja) * 1992-09-30 1994-07-12 Takenaka Komuten Co Ltd 超高強度水硬性セメント組成物
JP2004051398A (ja) * 2002-07-17 2004-02-19 Mitsubishi Materials Corp 高強度ドライモルタル及びその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PARK S.-J.: "The Technology of Super Tall Buildins. -The Focus on Busan Lotte World II Project-", KOREA: KOREA SUPER TALL BUILDING FORUM, September 2005 (2005-09-01), pages 39 - 60 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2837609A1 (fr) * 2013-08-12 2015-02-18 Rigas Tehniska Universitate Composition de béton nano-modifiée à ultra haute performance avec des déchets de poudre de lampe en verre de borosilicate
GB2543378A (en) * 2013-10-11 2017-04-19 Metssl Ltd Binder composition for use with aggregates
GB2543378B (en) * 2013-10-11 2018-04-04 Metssl Ltd Binder composition for use with aggregates
JP2017024974A (ja) * 2015-02-24 2017-02-02 太平洋セメント株式会社 セメント組成物
CN115974466A (zh) * 2022-12-02 2023-04-18 中建三局集团有限公司 一种超高强混凝土及其制备方法
CN115974466B (zh) * 2022-12-02 2024-04-02 中建三局集团有限公司 一种超高强混凝土及其制备方法

Similar Documents

Publication Publication Date Title
Nazari et al. Influence of Al2O3 nanoparticles on the compressive strength and workability of blended concrete
Belaidi et al. Effect of natural pozzolana and marble powder on the properties of self-compacting concrete
Nazari et al. Benefits of Fe2O3 nanoparticles in concrete mixing matrix
Nazari et al. Assessment of the effects of the cement paste composite in presence TiO2 nanoparticles
JP5165873B2 (ja) 鉄筋継手用充填材を用いた鉄筋継手充填施工方法
JP6022747B2 (ja) 高強度モルタル組成物
Nazari et al. An investigation on the Strength and workability of cement based concrete performance by using ZrO2 nanoparticles
Benabed et al. Experimental study on the reuse of cathode ray tubes funnel glass as fine aggregate for developing an ecological self-compacting mortar incorporating metakaolin
JP2008247677A (ja) グラウト組成物およびそれを用いたグラウトモルタル
Nakum et al. Fresh and mechanical characterization of fly ash/slag by incorporating steel fiber in self-compacted geopolymer concrete
KR100686350B1 (ko) 초고강도 콘크리트 조성물
WO2007061266A1 (fr) Composition de beton ultra haute resistance
JP2007320832A (ja) グラウト組成物およびそれを用いたグラウトモルタル
Elaiwi et al. The influence of water-gypsum ratio on the properties of national gypsum (Jοss) for various additives
JP2007238745A (ja) グラウト組成物およびそれを用いたグラウトモルタル
JP6012290B2 (ja) 高靱性・高強度モルタル組成物
JP5735288B2 (ja) 高強度ペースト組成物
JP2010155758A (ja) セメント混和材及びセメント組成物
JP5997807B2 (ja) 高強度モルタル組成物
JP2008120612A (ja) グラウト組成物、グラウトモルタル及びグラウト工法
JP5612504B2 (ja) 高強度モルタル組成物
Ab Atiyah et al. Properties of self-compacting mortar containing nano blast furnace slag
JP2005314120A (ja) 高強度モルタル
JP5592807B2 (ja) 高じん性・高強度モルタル組成物
JP5731848B2 (ja) 高強度ペースト組成物

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 06823724

Country of ref document: EP

Kind code of ref document: A1