A highly regarded book on this topic is:

Ferro-cement

by Bingham.

HTH,

Courtney


On Fri, 26 Aug 2005 10:19:55 -0300, Terry Spragg wrote:

wrote:

we can use some sort of mesh or something to get the cement to hold a
shape, but it cannot be wood, or something else that would provide
buoyancy that way.


Dig a hole in the ground, line it with plastic, drive in some pins
to position rebar or position chainlink fencing for reinforcement,
plaster or even spray on concrete. Make it into a basement for a
floating house with several compartments, wait for spring floods to
launch.

Or did you want a speed boat?

Terry K