Labels:crt screen | hakham | monitor | stairs | vase OCR: Pre-molded bell footings Overview FORM DESCRIPTION History of footings The ribs on the sloped portion of the footing form give added strength tc Development of ithe resist distortion of the form from the backfill or the concrete and allow Bell Footing trapped ar C escape The small vent holes in the sloped sections allow the escape of air Pre-molded bell trapped inside the footing form when the footing is being poured with footings concrete which prevents honeycombing of the concrete Review The sloped footing base eliminates any g0-degree angles and allows any ground water running down the pier to drain away from the footing he References Sloped surface of the pre- molded bell footing form creates resi istance TEST area exerted when against backfilled the vertical which pier withstands fros ...
