Concrete maturity indicates how far curing has progressed. Maturity is the relationship between concrete temperature, time, and strength gain. It is represented by an index value that can be measured in real time in the field. The maturity method is a way of evaluating new concrete’s in-place strength by relating time and temperature measurements to actual strength values.
To improve schedules, increase safety, and improve construction methods, construction teams want to know the strength of their concrete at the job site in real time. Since maturity is related to concrete strength, the maturity method is a way to accomplish this without solely relying on standard test specimens and laboratory testing.
Maturity is calculated by tracking changes in fresh concrete temperature over time. Since each concrete mix has its own strength-maturity relationship, we can use maturity to estimate the strength of that mix at any moment after placement. When we know the maturity of a certain concrete, we can use that concrete’s specific strength maturity relationship to make a reliable estimate of its strength.
The COMMAND Center maturity method saves time, money, and effort by providing reliable strength estimates quickly—and you won’t have to break a large number of test beams or cylinders in a lab. Your strength estimates come live from the job site rather than from a laboratory with curing conditions that may be different from conditions in the field.
COMMAND Center uses the maturity method to help concrete projects increase the potential for cost savings and profits by increasing safety, improving construction methods, and expediting construction schedules.
Construction contractors and managers, ready-mix suppliers, testing and engineering labs, researchers, and owner agencies use COMMAND Center to more accurately predict early-age concrete behaviour.
- Expedite construction schedules and save money
- Improve construction methods
- Increase construction safety
|Equipment Needed||Laptop/Desktop/Tablet and/or Handheld PC|
|Maturity Method||Nurse-Saul or Arrhenius (ASTM C 1074)|
|Datum Temperature||User Definable|
|Sensor Accuracy||+/- 1 °C|
|Temperature Range||-30 to 85 °C|
|Sensor Internal Data Storage||2048 Data Points|
|Measurement Interval||User Defined (1 to 255 minutes)|
|Typical Measurement Intervals / Monitoring Period||1 min (34 hours), 5 min (7 days), 20 min (28 days), 30 min, 60 min|
|Sensor Size||6.35mm x 15mm|
|Cable Length||2.44 M and 4.5 M. Standard (Custom lengths available to suit customer needs)|
|Sensor Battery Life||Warrantied for 2 years; Lasts up to 10 years|
Pocket COMMAND Center*
|Windows Embedded Handheld 6.5||Supported on 32 or 64 bit versions of Windows XP Professional SP3, Windows Vista SP1+, Windows 7 and Windows 8.|
|.NET Compact Framework 3.5
*Note: Pocket COMMAND Center Readers are shipped pre-configured with all requirements.
|Requires Microsoft .NET Framework|
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