mud slab

mud slab

A layer of concrete, 2 in. (5 cm) to 6 in. (15 cm) thick, below a structural concrete floor or footing over soft, wet soil.
References in periodicals archive ?
Construction of a new spillway, sheet pile cutoff wall, mud slab, apron slab, retaining walls, access road and other incidental work.
Even then, dirt and gravel roads can remain a mess of slush and ice, especially when the daytime temperatures reach just high enough to melt some of the ice, only to refreeze into a slick, solid mud slab by evening.
They live in cramped mud slab houses without running water or electricity.
There is a risk that membranes may be sealed to the wrong surface such as mud slabs or blinding, leading to water migration as a result of membrane discontinuity.
Slender legs of the panels rest on the mud slabs and rebar curve down out of the panel to interlock with the cage in the footing.