\documentclass[11pt]{article}

\usepackage[a4paper,landscape,margin=14mm]{geometry}
\usepackage{array}
\usepackage{tikz-sections}

\pagestyle{empty}
\setlength{\parindent}{0pt}
\renewcommand{\arraystretch}{1.15}

\newcommand{\ExampleRow}[3]{%
  \begin{tabular}{@{}m{0.22\linewidth}m{0.74\linewidth}@{}}
    \begin{tikzpicture}[baseline=(current bounding box.center)]
      #3
    \end{tikzpicture}
    &
    \textbf{#1}\par
    \vspace{2pt}
    {\raggedright\ttfamily\scriptsize\detokenize{#2}\par}
  \end{tabular}
  \par\vspace{8mm}
}

\begin{document}

\ExampleRow
  {Rectangular RC beam with top and bottom bars}
  {\TikZRCRectangular[width=300, depth=500, cover=40, bar diameter=18, top bars=2, bottom bars=3, scale=0.025]}
  {\TikZRCRectangular[width=300, depth=500, cover=40, bar diameter=18, top bars=2, bottom bars=3, scale=0.025]}

\ExampleRow
  {Rectangular RC beam with two bottom layers}
  {\TikZRCRectangular[width=300, depth=550, cover=40, bar diameter=18, top bars=2, bottom bars=3, bottom layers=2, layer spacing=28, scale=0.025]}
  {\TikZRCRectangular[width=300, depth=550, cover=40, bar diameter=18, top bars=2, bottom bars=3, bottom layers=2, layer spacing=28, scale=0.025]}

\ExampleRow
  {Rectangular RC column with side bars}
  {\TikZRCRectangular[width=400, depth=400, cover=45, bar diameter=20, top bars=3, bottom bars=3, left bars=2, right bars=2, scale=0.025]}
  {\TikZRCRectangular[width=400, depth=400, cover=45, bar diameter=20, top bars=3, bottom bars=3, left bars=2, right bars=2, scale=0.025]}

\ExampleRow
  {Circular RC column with perimeter bars}
  {\TikZRCCircular[diameter=450, cover=45, bar diameter=20, perimeter bars=10, scale=0.025]}
  {\TikZRCCircular[diameter=450, cover=45, bar diameter=20, perimeter bars=10, scale=0.025]}

\end{document}