| 摘要 |
<p>The present invention relates to designation method and media for a form removal time of concrete structures and, more specifically, to designation method and media for a form removal time of concrete structures to allow the effective removal of forms after the placement of concrete. According to an embodiment of the present invention, the designation method for a form removal time of concrete structures comprises: a step (a) of calculating the temperature (Ti) of concrete with time by selectively applying an analysis evaluation method or a measurement evaluation method; a step (b) of calculating a cumulative temperature (H) of concrete using the interaction formula 1 for combining the calculated temperature (Ti) of concrete with the elapsed time (ti) after the placement of the concrete; a step (c) of calculating the initial strength value (fc) of the concrete to correspond to the cumulative temperature (H) of concrete using the interaction formula 2; and a step (d) of deriving a form removal time from the elapsed time corresponding to the initial strength value (fc) when the initial strength value (fc) is greater than a reference value (f0). In the step (c), the constantαandβin the interaction formula 2 are calculated by the interaction formula 3 and 4.</p> |
