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FirstBreak for statistical analysis

New Click on the book to access the FirstBreak help system

See http://support.microsoft.com/kb/902225/ if you have trouble reading the help file

FirstBreak makes it easy to log concrete test strengths and to analyse them statistically. The test strengths and other data are held in a relational database which is accessed through open database connectivity (ODBC). This simplifies the transferral of data to or from spreadsheets, documents or other databases.



The database holds the following information:

  • Project details
  • Ingredients
  • Mix details
  • Wet concrete properties (batch details)
  • Curing details
  • Results of strength tests

The user can obtain a report, which assesses whether a set of selected test strengths meet the requirements of ACI 301-96 for a given design strength and determines the testing proficiency according to ACI 214-77.

The following statistics are also available for a set of selected test strengths:

  • Within-test average
  • Cumulative average
  • Moving average for a specified number of consecutive tests
  • Cumulative standard deviation and coefficient of variation
  • Moving standard deviation and coefficient of variation for a specified number of consecutive tests
  • Within-test range
  • Cumulative average of within-test range
  • Moving average of within-test range for a specified number of consecutive tests
  • Cumulative average of within-test coefficient of variation
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