RESOURCE LIBRARY

This calcultor allows is for arches constructed with imperial bricks. Enter the span measurement, the rise measurement. the brick size (gauge), joint size preferred and the face depth of arch (half brick 108mm or one brick 228mm) to calcualte rise, and voussoir number & sizes (additional information also generated)

Enter the span and rise measurements and the face depth of arch (half brick or one brick) to calcualte rise, and voussoir number & sizes (additional information also generated)

This calcultor allows is for arches constructed with imperial bricks. Enter the span measurement, the brick size (gauge), joint size preferred and the face depth of arch (half brick 108mm or one brick 228mm) to calcualte rise, and voussoir number & sizes (additional information also generated)

Enter the span measurement and the face depth of arch (half brick or one brick) to calcualte rise, and voussoir number & sizes (additional information also generated)

Enter the measurements for the span and rise in millimetres, to calculate the size of voussoirs on extrados and intrados and determine angle of skewback. Click here to return to BTTB Calculation Tool Menu

Enter the diameter (springing point to point) for a semicircular arch and select the arch depth, to calculate the voussoir dimensions at extrados and intrados, Click here to return to BTTB Calculation Tool Menu