Windsor Probe Strength Testing Concrete

This method of testing the strength of concrete is performed by penetrating the surface of the concrete with a hardened steel probe with a blunt conical tip. Therefore a test in which a pin strikes a coarse aggregate particle is disregarded. It estimates the strength of concrete from the depth of penetration of a steel rod.

wood bench diy outdoor bench seat why does marble rarely contain fossils women s clothing magazines wisconsin singles chat rooms wicker side table with drawers wide wood flooring white water rafting grand canyon 1 2 day women s plus size barn coat