Rock mass characterization on Mars
Peer reviewed, Journal article
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Date
2024Metadata
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- NGI articles [1150]
Original version
10.1088/1755-1315/1435/1/012007Abstract
Purpose-built underground space in the form of tunnels and caverns on Mars can mitigate risks to humans and technical infrastructure/equipment posed by cosmic radiation, sandstorms, rapid temperature changes and meteor impacts. This paper explores how rock mass characterization for a tunnel on Mars can be performed using a 3D photogrammetry model built from photos from the Curiosity rover operating in Gale crater. Discontinuity (joint) structures at Chenapau mountain were measured with the open source 3D point cloud and mesh processing software CloudCompare and Q, RMR and GSI values where calculated. Analyses show that unstable wedges might form in the tunnel roof. Reduced stability compared to Earth conditions may result from lower gravity (reduced rock block interlocking) on Mars, and the Q and RMR rock support suggestions might need revising if used for Mars engineering applications. Rock mass characterization on Mars