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    • 26. 发明授权
    • Improvements to the devices for reinforcing concrete in compression and
to concrete works thus reinforced
    • 改进了用于增强混凝土在压缩和混凝土工程中的装置,从而得到加强
    • US5272851A
    • 1993-12-28
    • US902236
    • 1992-06-22
    • Carlos De La Fuente
    • Carlos De La Fuente
    • E01D1/00E01C7/16E01D2/04E01D101/26E01D101/28E04C3/26E04C5/08E04G21/12E04C2/04
    • E04C3/26E01C7/16E01D2/04E04C5/08E04G21/12E04G21/121E01D2101/28
    • This is a device for reinforcing a concrete member (1) in compression, comprising at least one bar (3) housed without adhesion in a channel (2) hollowed out in said member. Each of the two ends of the bar is associated with a device adapted to cause it to bear longitudinally on the concrete of the member. One of these two devices, which is associated with at least one (3.sub.1) of the two ends of the bar (3) is a rigid frame (4) housed in a cavity (5) of the member accessible from the outside. The frame is arranged so as to receive in removable manner a thrust generator (7). One side of this frame having the bar end in question passing through it is arranged so as to interact with a unidirectional element (8) serving successively to cause the end to be pushed back by the thrust generator, and then to lock this end with respect to the frame in the direction corresponding to the return of the end into the frame.
    • 这是用于增强压缩的混凝土构件(1)的装置,包括至少一个不附着在所述构件中的通道(2)中而没有粘附的杆(3)。 杆的两个端部中的每一个与适于使其在构件的混凝土上纵向承载的装置相关联。 这两个装置中的一个,其与杆(3)的两端中的至少一个(31)相关联,是刚性框架(4),容纳在从外部可接近的构件的空腔(5)中。 框架布置成以可移除方式接收推力发生器(7)。 该框架的一侧具有通过其的有问题的杆端被布置成与连续地连接的单向元件(8)相互作用,以使端部被推力发生器推回,然后将该端部相对于 到框架的方向对应于端部返回框架。