Labels:crt screen | monitor | plant | reckoner | web site | window OCR: Pre-molded bell footings Overview Testing pre-molded bell footings History of footings Horizontal testing: Conducted Bv:PSC Analytical Services Mechanical Testing Services Grour Development of ithe Testing Procedure Bell Footing The cardboard construction tubes were secured to the four footing forms Pre-molded bell using six one inch pooM screws equally spaced around the footings circumf ference The Systems were placed in trench approximately four feet six inches deep on undisturbed soil The Systems were then Review backfilled in approxin mately 18 lifts The soil around The Systems was compacted after each lift using mech nanical tamper Table Ibel low References shows the ins tallation details while igure schematically shows the test TEST set-up The soil on which The Systems were placed an ...
