Question $3$:

$(35$ marks$)$

Discuss based on the following materials: $(1).$ Reinforced concrete, $(2).$ Steel, $(3).$ Timber, $(4).$ Brick, $(5).$ Rubber$/$Polymers $($Epoxy$,$ polyurethane etc.$),(6).$ Rock$/$stone$,(7).$ Another material different from the above. $(5$ marks for each material$)$

Example:

$\backslash$table$[[$Material$,$Bridge component,Elements present $($composition$),\backslash$table$[[$Discuss the life cycle of selected$],[$materials and evaluate$],[$sustainability issues$]]],[$Masonry$,\backslash$table$[[$Arch$],[$Abutments$],[$Piers$]],\backslash$table$[[$Compressive Strength: Masonry$],[$materials excel in resisting compressive$],[$forces$,$ making them suitable for arches,$],[$abutments$,$ and piers in stone or brick$],[$bridges$.]],\backslash$table$[[$Extraction $$ Manufacturing $$