JP5106860B2 - 超高性能の自己充填性コンクリート、その製造方法およびその使用 - Google Patents
超高性能の自己充填性コンクリート、その製造方法およびその使用 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000011376 self-consolidating concrete Substances 0.000 title description 4
- 239000002245 particle Substances 0.000 claims description 97
- 239000004567 concrete Substances 0.000 claims description 74
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 58
- 239000004576 sand Substances 0.000 claims description 43
- 239000004568 cement Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 33
- 239000000835 fiber Substances 0.000 claims description 32
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 229910001570 bauxite Inorganic materials 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000002518 antifoaming agent Substances 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 5
- -1 synthetic Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000010881 fly ash Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 32
- 229910021487 silica fume Inorganic materials 0.000 description 26
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000011374 ultra-high-performance concrete Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 102100037149 3-oxoacyl-[acyl-carrier-protein] synthase, mitochondrial Human genes 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- JYFHYPJRHGVZDY-UHFFFAOYSA-N Dibutyl phosphate Chemical compound CCCCOP(O)(=O)OCCCC JYFHYPJRHGVZDY-UHFFFAOYSA-N 0.000 description 1
- 101001098439 Homo sapiens 3-oxoacyl-[acyl-carrier-protein] synthase, mitochondrial Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
-
- 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
- C04B2111/00103—Self-compacting mixtures
-
- 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
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
-
- 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
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/802—White cement
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Description
-超微細炭酸カルシウム粒子の製造バッチから試料(各試料は、約100個の粒子を含む)を採取する。
-SEM検査のために、前記の粒子を金属化し、次いでこの金属化粒子を試料ホルダーに取り付けることによって試験片を調製する。
-SEMの下で、その試料を検査する。
-顕微鏡ステージを使用して各粒子の最小および最大の寸法を測定し、最小の寸法はこの粒子の厚さEを構成し、最大の寸法は、この粒子の長さLを構成し、形状係数FFを、各試料について算出する。及び
-検査した試料の全てにわたって平均化することによって、平均の形状係数を算出する。
-セメント;
-さまざまな粒子サイズを有する焼成ボーキサイト砂の混合物であって、最も微細な砂が1mm未満の平均粒子サイズを有し、最も粗い砂が10mm未満の平均粒子サイズを有している混合物;
-シリカフュームであって、その粒子の90%が1μm未満の直径を有し、平均直径が約0.5μmであるシリカフューム;
-消泡剤;
-減水性流動化剤;
-場合により、繊維;および
-水
を含み、シリカフュームがセメント100重量部あたり、最大15重量部に相当し、10m2/g以上、好ましくは15m2/g以上、さらに好ましくは約20m2/gの比表面積と、0.3以上、好ましくは0.4以上の形状係数FFとを有する超微細炭酸カルシウム粒子をさらに含み、
かつ、セメント、砂、超微細炭酸カルシウム粒子およびシリカフュームが、少なくとも3つ、多くて5つの異なる粒子サイズ群が存在して、1つの粒子サイズ群の平均直径とその直ぐ上の群の平均直径との比が約10であるような粒子サイズ分布を有することを特徴とする、超高性能の自己充填性コンクリートである。
-セメント;
-さまざまな粒子サイズを有する焼成ボーキサイト砂の混合物であって、最も微細な砂が1mm未満の平均粒子サイズを有し、最も粗い砂が10mm未満の平均粒子サイズを有している混合物;
-10m2/g以上、好ましくは15m2/g以上、さらに好ましくは約20m2/gの比表面積と、0.3以上、好ましくは0.4以上の形状係数FFとを有する超微細炭酸カルシウム粒子;
-消泡剤;
-減水性流動化剤;
-場合により、繊維;および
-水
を含み、セメント、砂、および超微細炭酸カルシウム粒子が、少なくとも3つ、多くて5つの異なる粒子サイズ群が存在して、1つの粒子サイズ群の平均直径とその直ぐ上の群の平均直径との比が約10であるような粒子サイズ分布を有している。
-1mm未満の平均粒子サイズを有する砂であって、80ミクロンよりサイズの小さい粒子を20%含む砂;
-3〜7mmの粒子サイズを有する砂;及び
-場合により、1〜3mmの粒子サイズを有する砂
によって形成される。
-80μm未満のサイズの微細物の20%画分に関して、セメントと、平均直径がセメントのものに近い細砕されたスラグ、フライアッシュまたは焼成ボーキサイトフィラーなどの鉱物性添加物とで;および
-その他の画分に関して、1mmより大きい(例えば3〜7mmの)粒子サイズの砂
で、完全にまたは部分的に置換されることができる。
-セメント100重量部;
-さまざまな粒子サイズを有する焼成ボーキサイト砂の混合物であって、最も微細な砂が1mm未満の平均粒子サイズを有し、最も粗い砂が、10mm未満の平均粒子サイズを有している混合物50〜200重量部;
-超微細炭酸カルシウムおよびシリカフューム粒子であって、シリカフュームが最大15重量%に相当する粒子5〜25重量部;
-消泡剤0.1〜10重量部;
-減水性流動化剤0.1〜10重量部;
-繊維15〜24重量部;および
-水10〜30重量部;
を含む。
-セメント100重量部;
-さまざまな粒子サイズを有する焼成ボーキサイト砂の混合物であって、最も微細な砂が1mm未満の平均粒子サイズを有し、最も粗い砂が、10mm未満の平均粒子サイズを有している混合物80〜150、好ましくは100〜125重量部;
-超微細炭酸カルシウム粒子10〜20、好ましくは13〜17重量部;
-脱泡剤0.2〜5、好ましくは0.5〜0.7重量部;
-減水性流動化剤5〜7重量部;
-繊維17〜20重量部;および
-水10〜20、好ましくは16〜20重量部
を含むコンクリートについて、最良の結果が得られる。
本発明によるコンクリート配合を、表1に示される組成物を使用して製造した。
-使用されたセメントは、白色セメント、すなわちLafargeによって販売されているTeil製のCPA 52,5ブラン(blanc)であった。
-使用されたボーキサイト砂の混合物は、1mm未満の粒子サイズを有するボーキサイト砂と3〜7mmの粒子サイズを有するボーキサイト砂との混合物であった。
-超微細炭酸カルシウム粒子は、立方体の形状で結晶化された合成炭酸カルシウムの超微細添加物で、商標名SOCAL(登録商標) 31の名称でSOLVAYによって販売されているものであった。
-使用した繊維は、直径0.3mmおよび長さ20mmの直線状スチール繊維であった。
-減水性流動化剤は、商標名VISCOCRETE 5400 Fの名称でSika Franceによって販売されているものであった。
-使用した消泡剤は、商標名TROYKYD(登録商標) D126の名称でTroyによって販売されている消泡剤であった。また、
-混合する水は、W/C(水/セメント)比が0.225に固定されるような量で存在した。
Claims (12)
80〜150重量部の、さまざまな粒子サイズの焼成ボーキサイト砂の混合物であって、最も微細な砂が1mm未満の平均粒子サイズを有し、最も粗い砂が10mm未満の平均粒子サイズを有している混合物;
10〜20重量部の、10m2/g以上の比表面積と、0.3以上の形状係数FFとを有する超微細炭酸カルシウム粒子;
0.2〜5重量部の、消泡剤;
5〜7重量部の、減水性流動化剤、
17〜20重量部の、繊維;および
10〜20重量部の水
を含み、セメント、砂、および超微細炭酸カルシウム粒子が、少なくとも3つ、多くて5つの異なる粒子サイズ群が存在して、1つの粒子サイズ群の平均直径とその直ぐ上の群の平均直径との比が10であるような粒子サイズ分布を有し、
ここで、FFは粒子のΣE/ΣLの比として定義され、ΣEは粒子の厚さの総和であり、ΣLはこれらの同じ粒子の長さの総和である、
少なくとも150MPaの28日圧縮強度の特性を有し、前記圧縮強度が、硬化または加熱処理を受けずに、20℃で保存され、かつ保持されたコンクリートに関して測定される、非常に高性能の自己充填性コンクリート。
1mm未満の平均粒子サイズを有する砂であって、サイズが80ミクロン未満の微細物を20%含む砂;
3〜7mmの粒子サイズを有する砂によって形成され、
より小さい粒子サイズを有する砂が、
80μm未満のサイズの微細物の20%画分に関して、セメントと、平均直径が80μm未満の細砕されたスラグ、フライアッシュまたは焼成ボーキサイトフィラーなどの鉱物性添加物とで;および
その他の画分に関して、1mmより大きい粒子サイズの砂で、
完全にまたは部分的に置換されることが可能であることを特徴とする、請求項1から5のいずれか一項に記載のコンクリート。
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PCT/FR2005/000334 WO2005077857A2 (fr) | 2004-02-13 | 2005-02-11 | Beton ultra haute performance et autoplacant, son procede de preparation et son utilisation |
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DK49592D0 (da) * | 1992-04-13 | 1992-04-13 | Aalborg Portland As | Cementkomposition |
FR2729658B1 (fr) * | 1995-01-25 | 1997-04-04 | Lafarge Nouveaux Materiaux | Beton composite |
FR2771406B1 (fr) * | 1997-11-27 | 2000-02-11 | Bouygues Sa | Beton de fibres metalliques, matrice cimentaire et premelanges pour la preparation de la matrice et du beton |
FR2774683B1 (fr) * | 1998-02-06 | 2000-04-07 | Quillery & Cie Entreprise | Beton tres haute perfomance, autonivelant, son procede de preparation et son utilisation |
FR2778654B1 (fr) * | 1998-05-14 | 2000-11-17 | Bouygues Sa | Beton comportant des fibres organiques dispersees dans une matrice cimentaire, matrice cimentaire du beton et premelanges |
JP2000128612A (ja) * | 1998-10-30 | 2000-05-09 | Jdc Corp | 重質炭酸カルシウムの水性スラリ−を含むコンクリ−ト |
JP2000211956A (ja) * | 1999-01-25 | 2000-08-02 | Mitsubishi Materials Corp | セメント組成物 |
JP4364972B2 (ja) | 1999-07-15 | 2009-11-18 | 株式会社イズコン | 即時脱型コンクリートブロックの製造方法 |
DE10000682A1 (de) * | 2000-01-10 | 2001-07-26 | Hans Willi Babka | Beschichtungsmasse |
FR2804952B1 (fr) * | 2000-02-11 | 2002-07-26 | Rhodia Chimie Sa | Composition de beton ultra haute performance resistant au feu |
JP4291978B2 (ja) * | 2002-06-14 | 2009-07-08 | 株式会社大林組 | コンクリート・モルタル用複合混和材及びセメント組成物 |
-
2004
- 2004-02-13 FR FR0401492A patent/FR2866330B1/fr not_active Expired - Lifetime
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2005
- 2005-02-11 US US10/589,138 patent/US7641731B2/en active Active
- 2005-02-11 ZA ZA200607632A patent/ZA200607632B/xx unknown
- 2005-02-11 RU RU2006132737A patent/RU2359936C2/ru not_active IP Right Cessation
- 2005-02-11 PT PT57176232T patent/PT1713740T/pt unknown
- 2005-02-11 CA CA 2555590 patent/CA2555590C/fr not_active Expired - Fee Related
- 2005-02-11 JP JP2006552669A patent/JP5106860B2/ja not_active Expired - Fee Related
- 2005-02-11 AU AU2005212878A patent/AU2005212878B2/en not_active Ceased
- 2005-02-11 BR BRPI0507638-2A patent/BRPI0507638B1/pt not_active IP Right Cessation
- 2005-02-11 WO PCT/FR2005/000334 patent/WO2005077857A2/fr active Application Filing
- 2005-02-11 KR KR20067018343A patent/KR101204872B1/ko not_active IP Right Cessation
- 2005-02-11 ES ES05717623.2T patent/ES2630184T3/es not_active Expired - Lifetime
- 2005-02-11 EP EP05717623.2A patent/EP1713740B1/fr not_active Expired - Lifetime
- 2005-02-11 CN CN2005800086482A patent/CN1934052B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
IN2006DE04680A (ja) | 2007-06-15 |
FR2866330B1 (fr) | 2006-08-18 |
WO2005077857A2 (fr) | 2005-08-25 |
CA2555590A1 (fr) | 2005-08-25 |
NO342641B1 (no) | 2018-06-25 |
ES2630184T3 (es) | 2017-08-18 |
PT1713740T (pt) | 2017-07-13 |
BRPI0507638B1 (pt) | 2015-08-18 |
CA2555590C (fr) | 2012-10-23 |
EP1713740A2 (fr) | 2006-10-25 |
JP2007522072A (ja) | 2007-08-09 |
EP1713740B1 (fr) | 2017-04-12 |
CN1934052A (zh) | 2007-03-21 |
AU2005212878A1 (en) | 2005-08-25 |
NO20064135L (no) | 2006-09-13 |
RU2006132737A (ru) | 2008-03-20 |
KR20070019701A (ko) | 2007-02-15 |
ZA200607632B (en) | 2009-03-25 |
KR101204872B1 (ko) | 2012-11-27 |
FR2866330A1 (fr) | 2005-08-19 |
RU2359936C2 (ru) | 2009-06-27 |
CN1934052B (zh) | 2011-09-21 |
BRPI0507638A (pt) | 2007-07-10 |
MA28349A1 (fr) | 2006-12-01 |
US7641731B2 (en) | 2010-01-05 |
WO2005077857A3 (fr) | 2006-02-02 |
US20070163470A1 (en) | 2007-07-19 |
AU2005212878B2 (en) | 2011-01-27 |
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