We are having trouble determining the exact lift-off load on anchors. The bar is a 1.0 inch DSI grade 75. The lock -off load is only 10 kips. We have to wait 48 hours, then perform a lift-off test. The lift off load must be between 9-10 kips. We have a hand pump so it is difficult to pinpoint...
We are apparent low bidder for a temporary shotcrete/soil nail wall that is being used to provide shoring/room for a permanent mse wall. The owner / gc are looking for a value engineering proposal to replace the temporary shoring/mse wall with a permanent shotcrete/soil nail wall with a...
Regarding my question about hooked bars in shotcrete-soil nailed walls, the hook is embedded almost completely in the soil nail. Thus, the wall can be 3-4 inches in most areas and 5.5-6 inches around the hook. My main question concerns the need for reinforcement surrounding the hooked portion of...
I wonder if anyone has experience using bars with a standard 90 degree bend instead of threaded bars for soil nailed retaining walls (shotcrete fascia). We typically use a minimum 3 inch thick shotcrete facing, although actual concrete use indicates an average thickness of more than 4 inches...
