The Kelleys Island glacial grooves (“the Grooves”) were discovered during limestone quarrying in the mid-nineteenth century. At the time, geologists were collecting evidence for glacial origins of planed …

There are about 3600 known grooves on stones scattered throughout the island of Gotland. Seven hundred are scored directly into the limestone bedrock, the rest are found on about 800 stones.

ut U and V grooves. A traction groove is designed to pinch the rope, which in and of itself creates undue stress on the rope by hindering the 152 moving parts fr m operating freely. In combination with a …

LONGITUDINAL SAWCUT GROOVING OF STRUCTURAL SLAB SURFACE I. GENERAL I. GENERAL The final surface texture on br. dge deck slabs and overlays is to be obtained by longitudinal sawcut. …

A common misconception is that "V" shaped grooves will be required under the new specifications and that "U" shaped grooves will no longer be allowed. This is not the case. However, any "U" shaped …

For Advanced Groove System (AGS) roll groove specifications in these sizes, refer to Victaulic publication 25.09, which can be downloaded at victaulic.com. The roll grooving process does not …

The glacial grooves on Kelleys Island, in western Lake Erie, are among the most spectacular and well-known glacial grooves in the world and have been an attraction to both geologists and tourists for …