. Baltimore and Ohio employees magazine . he mud and sand forced away and thepile dropped into place. After the pilehad been embedded to within a few feetof its final penetration by this methodit was driven the rest of the way by apile driver. All the piles were driven to a penetration of twenty feet, and each had tohave a tested capacity of not less thanforty tons. Then the piles were stayed in place byheavy planking, both length and crossways. The piles were cut off two feetfive inches above mean water level,allowing the steel reinforcing bars toprotrude. Then forms for the trans-verse and l
. Baltimore and Ohio employees magazine . he mud and sand forced away and thepile dropped into place. After the pilehad been embedded to within a few feetof its final penetration by this methodit was driven the rest of the way by apile driver. All the piles were driven to a penetration of twenty feet, and each had tohave a tested capacity of not less thanforty tons. Then the piles were stayed in place byheavy planking, both length and crossways. The piles were cut off two feetfive inches above mean water level,allowing the steel reinforcing bars toprotrude. Then forms for the trans-verse and longitudinal girders were builton the staying timbers, and the concretegirders, reinforced by steel bars in thesame manner as the piles, cast, the rein-forcing bars of the piles locking into thegirders. The concrete deck, from eightto ten inches thick, also reinforced bysteel bars, was then poured and thepier proper was finished. The concretefor this work was mixed on scows andpoured by means of derricks. In the meantime work on the other. 1—THE 15-INCH CONCRETE PILES WERE CAST IN WOODEN MOULDS AND REINFORCED WITH STEEL RODS This work was done near the site of the new coal pier. The old pier can be seen in the background
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbaltimo, bookyear1912
