Journal of the Association of Engineering Societies . f cubic yards, which, at the density for the armored concrete, gives a total weight of 11,025 pounds,or 262 pounds per linear foot. Each pile, having to support a floor surface of 269 square feet,should resist satisfactorily a compression of 85,584 pounds thusdistributed: Live weight, 269 square feet x 213 pounds 57,297 pounds. Dead weight, floor, 269 x 52 feet 13,624 Stringers 6,615 Small beams ,., 8,048 85,584to which add Coefficient of security 50 per cent, on live load of 57,297 28,649 Total 114,233 It is to be noted that the
Journal of the Association of Engineering Societies . f cubic yards, which, at the density for the armored concrete, gives a total weight of 11,025 pounds,or 262 pounds per linear foot. Each pile, having to support a floor surface of 269 square feet,should resist satisfactorily a compression of 85,584 pounds thusdistributed: Live weight, 269 square feet x 213 pounds 57,297 pounds. Dead weight, floor, 269 x 52 feet 13,624 Stringers 6,615 Small beams ,., 8,048 85,584to which add Coefficient of security 50 per cent, on live load of 57,297 28,649 Total 114,233 It is to be noted that the compressive strength is asked only ofthe iron composing the frame of the pile, and that the resistance n8 ASSOCIATION OF ENGINEERING SOCIETIES. offered by the cement is not taken into account, the latter beingconsidered as fulfilling simply the role of protector of the ironagainst the action of the salt water of the sea. The iron frame of the pile is composed of eight bars of roundiron, which are bound together every 10 inches by bands and by Fig, 4. Fig. 5
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectenginee, bookyear1881
