Forming a brick window arch over a barrel - GIF

[ToolTalkBot]

Forming a brick window arch over a barrel.




Previously:

Creating a twisted brick arch - video
Making a small wooden arch bridge - GIF
Removing temporary brick arch support - GIF

[Ralphxyz]

But how do they form the bottom arch?

[olderdan]

But how do they form the bottom arch?

Gravity takes care of that.

[NeiljohnUK]

Lots of reliance on the cement to fill the voids between bricks, I prefer keystone shaped bricks, or a much bigger rad and smaller voids.