Skinner, Frank W. (Frank Woodward), 1858-1932 · New York, McGraw · leaf 175
mortar with which they are leveled up on They are madeof tough graycast-iron, whichit is specifiedmust be strongenough for asample test pieceI in. square and12 in. long tobear a centerbending load of2500 lbs. Thethickness of themetal varies Fixed End Bearing; from | tO l| in., 51,000 Pounds… … 1^4Holes, Cored-T6Mo/&s, Drilled^ Boiler & Hodge Standards. cal webs. The bottom flanges of the girders are secured tothe pedestals by four |-in. bolts, and the pedestals are fastenedto the masonry by two i|-in. stone bolts 15 in. long. Thelargest size is 36 in. wide, 26 in. long, weighs…
Bridges
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