oa Civil Engineering = Siviele Ingenieurswese - It's all about measuring : market contribution
In the concrete industry it is always the goal to gain a 28-day compressive strength while simultaneously achieving a 'cost optimum' during the construction period. The 'cost optimum' is the balance between three parameters, namely (1) the early strength required when applying load, (2) the cost of the concrete mix-design, and (3) the shortest cycle times within the pre-designed production work flow. Traditionally the performance indicator available to manage this process is a test specimen cured in the laboratory or in the field. However, in almost all cases test specimens fail to accurately fulfil this important role. The next generation of real-time in-place maturity measurement systems have all the specifications that allow construction staff to cost-optimise output, and are also easy to use.
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