A section of bond beam was poured (see photos below) on the wall supporting the east side of the dome. This was a necessary step since the size/shape of the dome on the east side extended slightly onto the bond beam (photo below)
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As can be seen in the photo above, the 12-14" thick 'cob'(clay/straw) walls of the dome provide incredible strength. As the dome rise the walls will be made thinner and with more straw to reduce weight.
The photo above shows the freshly poured bond beam on the east side of the dome.