Auf mein Beispiel angewandt ergibt sich folgendes:
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\captionof{table}{Beschriftung}
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*3{S[table-format=3]}
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&
{\begin{turn}{90} $\sigma\ \left(\si{\kN\per\m\squared}\right)$ \end{turn}} &
{\begin{turn}{90} \parbox{3.5cm}{\raggedright Differenz der Laststufen} \end{turn}} &
{\begin{turn}{90} Zeit in sec \end{turn}} &
{\begin{turn}{90} Last (\si{\kN}) \end{turn}} &
\begin{turn}{90} Last dir (kg) \end{turn} &
\begin{turn}{90} \parbox{3.5cm}{\raggedright Last Hebel Verhältnis 9.82:1} \end{turn} &
\begin{turn}{90} Setzung (Ablesewert) \end{turn} &
\begin{turn}{90} Setzung (Differenz) \end{turn} &
\begin{turn}{90} \parbox{3.5cm}{\raggedright Setzung (tatsächlicher Wert)[mm]} \end{turn} &
\begin{turn}{90} Summe Setzung [mm] \end{turn} &
\begin{turn}{90} Bezogene Setzung [\%] \end{turn} &
\begin{turn}{90} \parbox{3.5cm}{\raggedright Summe Bezogene Setzung [\%]} \end{turn} &
\begin{turn}{90} \parbox{3.5cm}{\raggedright Porenzahl $e=ea-e(1+ea)$} \end{turn} \\ %[2ex]
\midrule
\multirow{12}{*}{\rotatebox{90}{Belastung}} & 0 & 0 & 0 & 0 & & 0.8 & 12.00 & 0.00 & 0 & 0 & 0 & 0 & 0 \\
& 10 & & 20 & 0.079 & 8.01 & & 12.050 & 0.050 & 0.0010 & 0.001 & 0.0070 & 0.007 & 1.51 \\
& 15 & 10 & 40 & & & 1.6 & 12.240 & 0.240 & 0.0048 & 0.0058 & 0.0408 & 0.0478 & 1.50 \\
& 20 & & 60 & 0.157 & 16.01 & & 12.245 & 0.245 & 0.0049 & 0.0107 & 0.0754 & 0.1232 & 1.48 \\
& 25 & 30 & 80 & & & 4.1 & 12.390 & 0.390 & 0.0078 & 0.0185 & 0.1303 & 0.2535 & 1.46 \\
& 50 & &100 & 0.393 & 40.03 & & 12.395 & 0.395 & 0.0079 & 0.0264 & 0.1859 & 0.4394 & 1.44 \\
& 75 & 50 &120 & & & 8.2 & 12.792 & 0.792 & 0.0158 & 0.0422 & 0.2975 & 0.7369 & 1.40 \\
& 100& &140 & 0.785 & 80.06 & & 12.799 & 0.799 & 0.0160 & 0.0582 & 0.4100 & 1.1469 & 1.36 \\
& 125& 50 &160 & & & 12.2& 12.890 & 0.890 & 0.0178 & 0.0760 & 0.5354 & 1.6822 & 1.32 \\
& 150& &180 & 1.178 & 120.09 & & 12.990 & 0.990 & 0.0198 & 0.0958 & 0.6748 & 2.3570 & 1.27 \\
& 175& 50 &200 & & & 16.3& 13.010 & 1.010 & 0.0202 & 0.1160 & 0.8170 & 3.1740 & 1.22 \\
& 200& &220 & 1.570 & 160.12 & & 13.030 & 1.030 & 0.0206 & 0.1366 & 0.9621 & 4.1362 & 1.17 \\
\midrule
\multirow{4}{*}{\rotatebox{90}{\parbox{2cm}{\centering\hspace{0pt} Entlastung}}} & 175&-50 &240 & & & 12.2& 12.980 & 0.980 & 0.0196 & 0.1562 & 1.1001 & 5.2363 & 1.12 \\
& 150& &260 & 1.178 & 120.09 & & 12.960 & 0.960 & 0.0192 & 0.1754 & 1.2354 & 6.4716 & 1.07 \\
& 125&-50 &280 & & & 8.2 & 12.650 & 0.650 & 0.0130 & 0.1884 & 1.3269 & 7.7985 & 1.04 \\
& 100& &300 & 0.785 & 80.06 & & 12.630 & 0.630 & 0.0126 & 0.2010 & 1.4156 & 9.2142 & 1.00 \\
\midrule
\multirow{4}{*}{\rotatebox{90}{\parbox{2cm}{\centering\hspace{0pt} Wiederbelastung}}} & 125& 50 &320 & & & 12.2& 13.220 & 1.220 & 0.0244 & 0.2254 & 1.5875 & 10.802 & 0.94 \\
& 150&& 340 & 1.178 & 120.1 & &13.220&1.220&0.0244&0.2498&1.7593 & 12.5609 & 0.88 \\
& 175&150 &360& & & 24.5 & 14.00&2.00&0.040&0.2898&2.0410&14.602&0.78\\
& 300& &380& 2.356 & 240.18 & & 14.00 & 2.001 & 0.0400 & 0.3298 & 2.3228 & 16.925 & 0.68 \\
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