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公开(公告)号:US09963390B2
公开(公告)日:2018-05-08
申请号:US15326879
申请日:2015-06-23
Applicant: Holcim Technology, LTD
Inventor: Thomas Hoornaert , Stephane Gonichon , Delphine Vrau , Hubert Mahouche , Moussa Baalbaki , David Babayan
CPC classification number: C04B28/08 , C04B7/19 , C04B18/02 , C04B28/04 , C04B40/0608 , Y02P40/143 , Y02W30/94 , C04B7/02 , C04B20/0076 , C04B18/141
Abstract: A dry cement mixture comprises Portland cement and an ultra-fine component consisting of at least one ultra-fine additive, said ultra-fine component being a hydraulic binder, wherein Portland cement is present in an amount of at least 70 wt % of the mixture and the ultra-fine component is present in an amount of at least 5 wt % of the mixture, wherein the ultra-fine component has a particle size distribution characterized by a particle diameter D10 of between 0.5 μm and 2 μm and a particle diameter D90 of between 2 μm and 8 μm.
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公开(公告)号:US10669204B2
公开(公告)日:2020-06-02
申请号:US15573999
申请日:2016-05-12
Applicant: Holcim Technology Ltd.
Inventor: Moussa Baalbaki , Bill Gong , David Babayan , Winnie Matthes
Abstract: A concrete composition having, in a mixture with water, a hydraulic binder, sand, aggregates, an expanding agent and a shrinkage reducing admixture, wherein the expanding agent is calcium oxide having a low reactivity such that the concrete casted using the composition does not expand by more than 0.05 vol. % during the first 10 days, preferably not expanding more than 0.05 vol. % during the first 7 days, after having been cast.
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公开(公告)号:US10308554B2
公开(公告)日:2019-06-04
申请号:US15576179
申请日:2016-05-18
Applicant: Holcim Technology Ltd.
Inventor: David Babayan , Moussa Baalbaki , Bill Gong
IPC: C04B14/06 , C04B28/04 , C04B22/06 , C04B24/02 , C04B24/04 , C04B24/20 , C04B24/26 , C04B28/08 , C04B111/00 , C04B111/60 , C04B103/30
Abstract: The concrete composition includes, in a mixture with water, a hydraulic binder, sand and aggregates, wherein the hydraulic binder includes a Portland cement of high reactivity, and the hydraulic binder is present in an amount of 280-340 kg per cubic meter of concrete, a shrinkage reducing admixture is present in an amount of 0-4 L per cubic meter of concrete, and water is present in an amount of 140-160 L per cubic meter of concrete.
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