Beach mat for amphibious deployment.
Yes, these must be somehow inspired by Hobart's Funnies, the famous WWII modified tanks. Some examples:
When bundles of of sticks are used instead of a mat, the bundles are called fascine.
Beach Access Mat - Mobi-Mat Defense
1964 US Navy Engineer Tests: Improved Beach Matting
Panzer tank hull being quenched
Tankenstein rat rod
Big Wind firefighting jet tank
WWII Churchill tank converted into mine clearer