More likely, though, was an unprepared pitch, meaning "wormcasts became set like concrete, posing frightening problems to the batsmen".
Since concrete heats and contracts as it cures, the potential for uneven cooling and contraction of the concrete posed a serious problem.
Groundhogs also can be found in Central Park, hemmed in on all sides by concrete that poses a riddle as to their origin.
When the ash is dry and bound into building materials like concrete, it poses no risk, according to the E.P.A., but it is toxic if it gets into the air or water in significant amounts.
The paper concludes that the corrosion of prestressing steel in concrete structures poses higher risk to the structure than that of reinforcing steel in terms of structural collapse.
Dealing with 12-inch-thick concrete floors posed more of a challenge.
Dry concrete will pose a high resistance to the passage of current, and thus will be unable to support ionic flow.
Some business interests remained skeptical that concrete buildings posed a real risk of collapse.
The more concrete question posed is "how much uncertainty is there over the standing (i.e., percentile rank) of the patient's MDAS score as a function of error in using a normative sample to estimate its standing in the normative population.
