Labels:crt screen | hakham | monitor | plant | web site OCR: Pre-molded bell footings Overview Testing pre -molded bell footings History of footings Vertical testing: Conducted BY.PSO Analytical Services Mechanical Testing Development of ithe Services Group Bell Footing Installation: Pre-molded bell The cardboard construction tubes were secured to the footing forms footings using six one inch wood screws equally spaced around the Review circumference The Systerms were placed in trench approximately three feet deep on undisturbed soil The Systems were then backfilled in References approximately 18" lifts manual tamping between each lift. Figure on slide TEST 50 attached schematically shows the test set-up The soil on which the Systems were placed and the material used for backfilling consi isted primarily of sandy loam with some stone The concrete wa ...
