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公开(公告)号:US07465350B2
公开(公告)日:2008-12-16
申请号:US10478853
申请日:2002-05-29
Applicant: Masami Uzawa , Tetsuro Hyodo
Inventor: Masami Uzawa , Tetsuro Hyodo
CPC classification number: C04B28/04 , C04B7/527 , C04B20/008 , C04B28/02 , C04B2111/00103 , C04B2201/52 , Y02W30/94 , Y10T428/249924 , C04B14/386 , C04B14/48 , C04B16/06 , C04B2103/302 , C04B14/06 , C04B14/28 , C04B18/141 , C04B18/146 , C04B24/2647
Abstract: A hydraulic composition of the present invention includes (A) 100 parts by weight of cement having a Blaine specific surface area of 2,500 to 5,000 cm2/g, (B) 10 to 40 parts by weight of fine particles having a BET specific surface area of 5 to 25 m2/g, and (C) 15 to 55 parts by weight of inorganic particles having a Blaine specific surface area which is 2,500 to 30,000 cm2/g and which is larger than that of the cement. The inorganic particles (C) may comprise 10 to 50 parts by weight of inorganic particles (C1) having a Blaine specific surface area of 5,000 to 30,000 cm2/g and 5 to 35 parts by weight of inorganic particles (C2) having a Blaine specific surface area of 2,500 to 5,000 cm2/g.
Abstract translation: 本发明的水硬性组合物包含(A)100重量份的布莱恩比表面积为2500-5000cm2 / g的水泥,(B)10至40重量份的BET比表面积为 5〜25m 2 / g,(C)15〜55重量份的布莱恩比表面积为2500〜30000cm2 / g,大于水泥的无机粒子。 无机颗粒(C)可以包含10至50重量份的具有5,000至30,000平方厘米的布莱恩比表面积的无机颗粒(C1)和5至35重量份的具有Blaine特异性的无机颗粒(C2) 表面积为2500〜5000cm2 / g。
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公开(公告)号:US20050016422A1
公开(公告)日:2005-01-27
申请号:US10490211
申请日:2003-04-15
Applicant: Isao Kamada , Takeshi Yano
Inventor: Isao Kamada , Takeshi Yano
CPC classification number: B28C7/026 , C04B28/04 , C04B2111/00637 , C04B2201/52 , C04B14/022 , C04B14/06 , C04B22/143 , C04B24/2647 , C04B40/0042 , C04B2103/46 , C04B2103/50 , C04B24/383
Abstract: A method of preparing a mortar composition, comprising mixing of mortar materials comprising at least 25 to 45 parts by weight of high-early-strength portland cement, 40 to 60 parts by weight of sand, 0.05 to 0.12 parts by weight of polycarboxylic acid-based powdered water reducing agent, and 10 to 25 parts by weight of water, and not comprising any organic adhesives. Mixing of the mortar materials is achieved by agitating the same in an agitator until agitating load rapidly decreases. The mortar composition prepared in accordance with this invention has excellent ability to infiltrate into the surface to be adhered, and high bonding strength after hardening.
Abstract translation: 一种制备砂浆组合物的方法,包括将至少25至45重量份的高强度硅酸盐水泥,40至60重量份的砂,0.05至0.12重量份的多元羧酸 - 和10至25重量份的水,并且不包含任何有机粘合剂。 砂浆材料的混合通过在搅拌器中搅拌直到搅拌载荷迅速降低来实现。 根据本发明制备的砂浆组合物具有优异的渗透到待粘合表面的能力,以及硬化后的高粘结强度。
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83.
公开(公告)号:US12043585B1
公开(公告)日:2024-07-23
申请号:US16942336
申请日:2020-07-29
Applicant: FlashSet, LLC
Inventor: Stanley R. Peters , George Clarence Geal, III
CPC classification number: C04B7/323 , C04B14/28 , C04B14/42 , C04B18/084 , C04B18/088 , C04B2201/52
Abstract: A composition for backfilling a void. The composition may include between 40% and 65% air by volume, between 20% and 50% water by weight, between 5% and 50% calcium sulfoaluminate cement by weight, and between 20% and 55% filler by weight. The composition may have a compressive strength between 10 psi and 170 psi at four hours, a compressive strength between 20 psi and 310 psi at one day, and a compressive strength between 30 psi and 520 psi at twenty-eight days.
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公开(公告)号:US12037286B2
公开(公告)日:2024-07-16
申请号:US18150234
申请日:2023-01-05
Applicant: UNIVERSITE LAVAL
Inventor: Luca Sorelli , David Bouchard
CPC classification number: C04B14/36 , C04B14/048 , C04B14/285 , C04B14/48 , C04B40/0039 , C04B28/04 , C04B2103/32 , C04B2201/52 , Y02W30/91 , C04B28/04 , C04B20/008 , C04B2103/32 , C04B14/285 , C04B14/048 , C04B14/06 , C04B18/146 , C04B18/08 , C04B14/22
Abstract: There is described a high-strength concrete generally having: about 100 parts by weight of cement; about 60 to about 360 parts by weight of fine aggregates; about 90 to about 230 parts by weight of mineral powder having a diameter D50 below 150 μm; about 0.1 to about 25 parts by weight of superplasticizer; and about 20 to about 65 parts by weight of water, the high-strength concrete has a cement content less than about 500 kg/m3 and having a compressive strength after 28 curing days of about 55 MPa or greater.
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85.
公开(公告)号:US20240228379A1
公开(公告)日:2024-07-11
申请号:US18557413
申请日:2021-06-14
Applicant: SAROD GREENBACK LLP
Inventor: Binod Kumar BAWRI , Saroj BAWRI , Mala BAWRI , Raghunandan KADABA
CPC classification number: C04B28/02 , C04B14/062 , C04B18/08 , C04B20/026 , C04B40/0032 , C04B40/0042 , C04B2201/52
Abstract: The present invention relates to a method and system to produce a concrete material having optimized strength and particle packing properties. The method and system includes a micro characterization step of a plurality of starting cementitious materials and at least one starting pozzolanic material to get respectively at least one cementitious material having uniform strength and at least one pozzolanic material having uniform blain fineness. Then grinding the said at least one cementitious material having uniform strength and the said at least one pozzolanic material having uniform blain fineness to get at least one cementitious material having a required Blaine fineness and at least one pozzolanic material having a required Blaine fineness. Finally preparing the said concrete material by mixing the said micro characterized cementitious materials and/or pozzolanic materials with at least one aggregate material, at least one additive material or a mixture thereof.
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公开(公告)号:US20240199502A1
公开(公告)日:2024-06-20
申请号:US18595706
申请日:2024-03-05
Applicant: E5 Incorporated
CPC classification number: C04B40/0032 , C04B7/361 , C04B14/06 , C04B14/062 , C04B28/02 , C04B40/0039 , C04B40/0046 , C04B40/0608 , C04B41/0018 , C04B41/009 , C04B2111/60 , C04B2201/52
Abstract: In various embodiments, a process is described for the preparation of a concrete mixture in a Ready-mix or for an installation. A quantity of amorphous silica is added with an average particle size in the range of from about 1 to about 55 nanometers and/or wherein the surface area of the particles of the amorphous silica is in the range of from about 50 to about 900 m2/g. The amorphous silica may be added in colloidal form or otherwise, and is added at a particular stage to ensure efficacy.
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公开(公告)号:US20240199484A1
公开(公告)日:2024-06-20
申请号:US18077680
申请日:2022-12-08
Inventor: Amin Ali Ali AL-FAKIH , Sagheer A. ONAIZI , Waleed Ahmed Yaslam AL-AWSH , Mohammed Ali AL-OSTA , Monther Qassim Ahmed AL-KOSHAB
CPC classification number: C04B14/047 , C04B7/02 , C04B28/04 , C04B40/0032 , C04B2201/20 , C04B2201/52
Abstract: A cement paste composition includes a curable component including a cementitious material and a zeolitic imidazolate framework-67 (ZIF-67) present in an amount of 0.01 to 3% by weight based on a total weight of the cementitious material. The composition further includes water in an amount of 30 to 50% by weight based on a total weight of the cement paste composition. A cured specimen made from the cement paste composition has a compressive strength of 30 to 80 megapascal (MPa) according to ASTM C109/C109M-21 standard test method, and a direct tensile strength of 1.2 to 2.2 MPa according to ASTM C307-18 standard test method. The ZIF-67 particles are uniformly distributed throughout the cured specimen. A method of producing the cement paste specimen.
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公开(公告)号:US11976009B1
公开(公告)日:2024-05-07
申请号:US18537742
申请日:2023-12-12
Applicant: KING FAISAL UNIVERSITY
Inventor: Kaffayatullah Khan , Muhammad Nasir Amin , Abdullah Mohammed Alqahtani
IPC: C04B28/04 , C04B7/02 , C04B7/28 , C04B14/06 , C04B24/26 , C04B28/02 , C04B103/32 , C04B103/61
CPC classification number: C04B28/04 , C04B7/02 , C04B7/28 , C04B14/068 , C04B24/2664 , C04B28/021 , C04B2103/32 , C04B2103/61 , C04B2201/52
Abstract: A green concrete composition comprising: a binder component comprising Portland cement, natural basaltic volcanic ash pozzolan, and colloidal nano-sized silica particles; an aggregate component comprising fine aggregates and coarse aggregates; water; and a super plasticizer.
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89.
公开(公告)号:US20180244575A1
公开(公告)日:2018-08-30
申请号:US15934084
申请日:2018-03-23
Applicant: Consejo Superior de Investigaciones Cientificas , Universidad Politécnica de Madrid , Universidad Complutense de Madrid
Inventor: José Francisco FERNÁNDEZ LOZANO , Maria Pilar Leret Molto , Amparo Moragues Terrades , Encarnación Reyes Pozo , Jaime Carlos Gálvez Ruiz , Elvira Sánchez Espinosa , Daniel Alonso Dominguez , Inmaculada Álvarez Serrano
CPC classification number: C04B28/04 , C04B20/1074 , C04B40/0028 , C04B40/0042 , C04B2111/00008 , C04B2201/52 , C04B2235/3208 , C04B2235/3418 , C04B7/02 , C04B20/026 , C04B14/062 , C04B20/0096
Abstract: The invention relates to a method for producing a cementitious composite, comprising: 1) a first step of conditioning silica nanoparticles, in which the nanoparticles are heated to a temperature between 85-235° C. for a sufficiently long time interval so as to obtain a maximum humidity content of 0.3% relative to the total weight of the material resulting from the first step; 2) a dry dispersion step, in which the conditioned nanoparticles in step 1) are dispersed over cement and in which inert grinding balls are used; 3) a step of conditioning the cementitious composite obtained in step 2), in which the grinding balls are separated from the cementitious composite produced. The invention also relates to the resulting composite, to cement derivatives comprising said composite, preferably mortars and concrete, to the production method thereof and to the use of these materials in industry.
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公开(公告)号:US20180237338A1
公开(公告)日:2018-08-23
申请号:US15899376
申请日:2018-02-20
Inventor: Shuai FANG , Honggang ZHU , Yue Kee LAM , Man Lung SHAM , Chi Sun POON , Feng LI , Pui Lam NG
CPC classification number: C04B18/08 , C04B14/026 , C04B14/48 , C04B16/0625 , C04B18/146 , C04B20/0036 , C04B20/1062 , C04B24/283 , C04B2111/28 , C04B2201/52
Abstract: A high-workability, fire-resistant, anti-spalling concrete composition is provided. The concrete composition has a slump value of at least approximately 150 mm, a fire-resistant period of at least 4 hours, a compressive strength of at least 120 MPa at room temperature, and a compressive strength of at least 20 MPa at 700° C. The composition includes cement, fly ash, silica fume, aggregate particles having a particle size D90 of approximately 20 mm or less and superplasticizer. The composition includes fiber additives including steel fibers in an amount ranging between approximately 0.1% and approximately 0.4% by volume of the concrete composition and polypropylene fibers having a melting point of approximately 200° C. or less in an amount ranging between approximately 0.05% and 0.3% by volume of the concrete composition. Carbon nanotubes are also present in an amount ranging between approximately 0.1% and approximately 0.3% by volume of the concrete composition.
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