Therefore, a protective ring or blast shield around the launch pads is considered an ideal solution for the problem. Researchers on robots building walls on the moon. ... Narrow Angle Camera ...

Walther's team estimate the excavator's payload capacity to be 10 cubic meters (353 cubic feet) of boulders; to build a blast shield ring with a radius of 50 meters, a circumference of 314 meters ...

A rendering of a wall-building robot constructing a blast shield ring on the Moon. Photo credit to NASA, processing/scanning credit to Kipp Teague and NASA Johnson (image AS17-141–21610), edited.

The blast shields are used to protect instrumentation and equipment during tests of artillery and other weapons. “We had a blast shield that Yuma cut and sent up here that was assembled by CRTC ...