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公开(公告)号:US10259747B2
公开(公告)日:2019-04-16
申请号:US15573389
申请日:2016-06-10
IPC分类号: C04B14/04 , C04B14/06 , C04B14/38 , C04B16/06 , C04B28/04 , C04B14/42 , C04B14/48 , C04B111/34
摘要: A concrete mix having sand, fine aggregates, binder, fibers, and various admixtures is provided. The mix has a consistency from S2 to SF3, a compressive strength in the range of 30-80 MPa and a ductility represented by fc, ffl, fR1 and fR3 values, wherein the concrete mix contains at least 390 Kg of binder, the concrete mix has a paste volume of 300-600 liters, the concrete mix contains at least two systems of fibers and a general admixture system that is composed of at least 2 sub-admixture systems.
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2.
公开(公告)号:US09903075B2
公开(公告)日:2018-02-27
申请号:US15300458
申请日:2014-04-09
IPC分类号: E01C7/00 , E01C7/14 , C04B28/04 , C04B40/06 , E01C19/00 , C04B14/06 , C04B24/26 , C04B24/34 , E01C19/46 , C04B111/00 , C04B111/60 , C04B103/10 , C04B103/30 , C04B103/32
CPC分类号: E01C7/14 , C04B14/06 , C04B24/2605 , C04B24/2623 , C04B24/34 , C04B28/04 , C04B40/0625 , C04B2103/10 , C04B2103/304 , C04B2103/32 , C04B2111/00051 , C04B2111/0006 , C04B2111/0075 , C04B2111/60 , E01C7/142 , E01C19/002 , E01C19/46 , C04B24/38 , C04B40/0028 , C04B40/0071 , C04B2103/008 , C04B24/2652 , C04B24/2641 , C04B24/121 , C04B24/32 , C04B28/02
摘要: A method for placement of roller compacted concrete (RCC) on a sub-base to produce a concrete pavement, which has: (a) dosing a concrete or concrete ingredients and loading the concrete or concrete ingredients into a concrete transportation truck, (b) adding at least one pelletizing agent to the concrete and waiting from 3 to 15 minutes under constant mixing to produce a pelletized concrete and (c) discharging the pelletized concrete obtained in step (b) on the sub-base from the concrete transportation truck, rotating the drum of the concrete transportation truck.
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