\begin{tabular}{m{4.5cm}||m{0.5cm}|m{0.5cm}|m{0.5cm}|m{0.5cm}|m{0.5cm}|m{0.5cm}}
\hline
     & $K_{\sigma_{11}}$ 
     & $K_{\sigma_{22}}$ 
     & $K_{\sigma_{33}}$ 
     & $K_{\sigma_{12}}$ 
     & $K_{\sigma_{13}}$ 
     & $K_{\sigma_{23}}$ \\
\hline
\hline
  Туннельная пора & 
  $\frac{0.99}{0.99}$ & 
  $\frac{0.95}{0.97}$ & 
  $\frac{0.98}{0.99}$ &
  $\frac{0.97}{0.96}$ & 
  $\bf\frac{1.82}{1.82}$ & 
  $\frac{0.91}{0.97}$ \\
\hline
  Разрыв волокна основы & 
  $\frac{1.07}{1.07}$ & 
  $\frac{1.00}{1.00}$ & 
  $\frac{1.04}{1.05}$ &
  $\frac{0.90}{0.91}$ & 
  $\bf\frac{1.23}{1.01}$ & 
  $\bf\frac{1.15}{1.33}$ \\
\hline
  Разрыв волокон основы и утка & 
  $\frac{1.17}{1.16}$ & 
  $\frac{0.93}{0.94}$ & 
  $\frac{1.10}{1.11}$ & 
  $\bf\frac{2.62}{2.48}$ & 
  $\frac{1.32}{1.21}$ & 
  $\bf\frac{2.06}{1.48}$ \\
\hline
\end{tabular}