AbstractMars analogue missions provide researchers, scientists, and engineers the opportunity to establish protocols prior to sending human explorers to another planet. This paper investigated the complexity of a team of simulation astronauts conducting a Rock Mass Rating task during Analogue Mars missions. This study was conducted at the Mars Desert Research Station in Hanksville, UT, during field season 2015/2016 and with crews 167,168, and 169. During the experiment, three-person teams completed a Rock Mass Rating task during a three hour Extra Vehicular Activity on day six of their two-week simulation mission. This geological test is used during design and construction of excavations in rock on Earth. On Mars, this test could be conducted by astronauts to determine suitable rock layers for tunnel construction which would provide explorers a permanent habitat and radiation shielding while living for long periods of time on the surface. The Rock Mass Rating system derives quantitative data for engineering designs that can easily be communicated between engineers and geologists. Conclusions from this research demonstrated that it is feasible for astronauts to conduct the Rock Mass Rating task in a Mars simulated environment. However, it was also concluded that Rock Mass Rating task orientation and training will be required to ensure that accurate results are obtained.

    HighlightsFamiliarity with geological survey techniques improved RMR task performance.Experience with the RMR process improved task performance.Multinational crew's RMR task performance was impaired by a language barrier.Simple hand-held tools were used effectively in Mars analogue simulations.Working in Spacesuits affected RMR task performance in Mars analogue simulations.


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    Title :

    Conducting Rock Mass Rating for tunnel construction on Mars


    Contributors:

    Published in:

    Acta Astronautica ; 139 ; 176-180


    Publication date :

    2017-07-06


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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