WO 2018/015873 A1

A novel cement composition incorporating bulk fly ash and nano fly ash

(22) 18.07.2017

(43) 25.01.2018

(57) Aspects of the present disclosure provides a dry cement composition including a mixture of Portland cement and fly ash, wherein said Portland cement is present in an amount ranging from about 82 % to about 88 % by weight relative to total weight of the cement composition and said fly ash is present in an amount ranging from about 12 % to about 18 % by weight relative to total weight of the cement composition, and wherein said fly ash comprises a mixture of nano fly ash and bulk fly ash in a weight ratio ranging from about 2:10 to about 8:10.

(71) Bera, Dillip Kumar, School of Civil Engineering, KIIT University, Bhubaneswar, Odisha 751024 (IN); Rath, Ashoke Kumar, School of Civil Engineering, KIIT University, Bhubaneswar, Odisha 751024 (IN); Parashar, Sujay Kumar Singh, School of Applied Science, KIIT University, Bhubaneswar, Odisha 751024 (IN)

(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)

x

Related articles:

Issue 2023-2 WO 2023/003305 A1

(22) 18.07.2022 (43) 26.01.2023 (57) The present invention relates to a high-strength fly ash cement composition using a coal gasifier fly ash and, more particularly, to a fly ash cement composition...

more
Issue 2018-9 WO 2018/079868 A1

(22) 26.10.2016 (43) 03.05.2018 (57) One embodiment of the present invention provides a green cement composition comprising Portland cement, carbon minerals, an early strength type expansion agent,...

more
Issue 2017-7-8 WO2017085565 (A2)

(22) 16.11.2016 (43) 26.05.2017 (57) A Portland cement-free cementitious binder composition, said composition comprising: ground granulated blast furnace slag and/or pulverized fly ash; an alkali...

more
Issue 2015-7-8 AU?2012301442?B2

(22) 10.08.2012 (43) 07.03.2013 (57) The invention provides a carbon dioxide-resistant hydraulic cement composition, the inventive composition comprises a Portland cement, Class C fly ash and water....

more
Issue 2018-3 WO2018008513 (A1)

(22) 29.06.2017 (43) 11.01.2018 (57) In the present invention, a sieve having openings of 75 to 20 µm is prepared and by classification using the sieve, fly ash original powder is divided into powder...

more