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    • 2. 发明授权
    • Method and a device for measuring concrete maturity
    • 测量混凝土成熟度的方法和装置
    • US4480929A
    • 1984-11-06
    • US410970
    • 1982-08-24
    • Anker J. Hansen
    • Anker J. Hansen
    • G01N25/44G01N33/38G01N25/00
    • G01N33/383G01N25/44
    • A method and a device for measuring the maturity of concrete, in which the heat generated by the setting of the concrete causes a special liquid to evaporate and the amount of evaporated liquid is taken as a measure of the concrete maturity. The liquid is contained in a closed capillary tube placed on a scale. For measuring purposes the capillary tube is broken at a well-defined point, and capillary and scale are then placed in a casing containing an absorbing agent for the evaporated liquid. The casing is hermetically sealed and pressed into the concrete. For reading purposes the casing is opened and the scale with the capillary is removed to determine the level of the liquid column and thus the maturity of the concrete.
    • 一种用于测量混凝土成熟度的方法和装置,其中由混凝土凝固产生的热量导致特殊液体蒸发,并且蒸发的液体的量被用作测量混凝土成熟度。 液体包含在放置在秤上的密闭的毛细管中。 为了测量目的,毛细管在明确的点被破坏,然后将毛细管和标尺放置在含有蒸发液体的吸收剂的壳体中。 外壳密封并压入混凝土。 为了阅读目的,打开外壳并除去毛细管的刻度以确定液柱的水平,从而确定混凝土的成熟度。