Data set 9 [Concrete mix]

Data: 45 concrete mixes, compressive strength

Variables:

x1   . . . compressive strength after one day [N/mm2]
x2   . . . compressive strength after two days [N/mm2]
x3   . . . compressive strength after 7 days [N/mm2]
x4   . . . compressive strength after 28 day [N/mm2]
x5 - x8    basic mixture; x9 - x13   . . . additional compounds
x5   . . . Mannersdorf concrete [%]
x6   . . . Gmunden concrete [%]
x7   . . . Linzer Hochofenschlacke BLAINE 4.010 [%]
x8   . . . Linzer Hochofenschlacke BLAINE 4.630 [%]
x9   . . . calcium hydroxide [% of basic mixture]
x10 . . . calcium oxide [% of basic mixture]
x11 . . . anhydrite [% of basic mixture]
x12 . . . gypsum [% of basic mixture]
x13 . . . bassanit [% of basic mixture]

Source: C. Antlinger, Untersuchungen zur Aktivierung von Zement-Schlacke-Gemischen durch anorganische Zusatzstoffe. Diplomarbeit am Institut für Betonbau, Baustoffe und Bauphysik, Universität Innsbruck, 2003.

Tasks: Investigate the influence of the parts x5 - x13 on the compressive strengths x1, x2, x3, x4. An interesting starting choice is x6, x8 x9, x10, x11, x12, x13 as independent variables and x1 as dependent variables. Subsequently, remove the variables with a low explanatory power.

 

 

 

 

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