This is making me wonder if it might be a viable/useful construction technique on Earth, depending on how hard it is to make the Martian soil simulant.
https://en.wikipedia.org/wiki/Adobe (mudbrick with straw as structural reinforcement) it already is, it was also similarly used for reinforcing statue casts (with hairs iirc)
> The Auroville red soil got its colour from iron oxides, which give excellent properties and make remarkable building materials.
http://www.earth-auroville.com/earth_in_auroville_introducti...