Free standing perimeter wallings or sound wallings formed of gabions are preferably trapezoidal in section (see Trapezoidal Gabions), the mass providing stability against wind loading and pedestrian barrier loading.
As these types of structures are normally highly visible and quality of construction is paramount, a heavy wire normally 4.0 or 5.0mm should be specified. It is recommended that the maximum unit height is 0.7m and that units are sub divided into cell lengths of maximum 0.7m. |