Architect and engineer . The first pier completed for the San Francisco-Oakland Bay Bridge,foot of Harrison Street. San Francisco. The pier stands 40 feet out ofwater and is 52 feet wide by 122 feet long. BAY BRIDGE PROGRESS TO DATE ANDFORECAST FOR 193-4 ^ 43 ?. SAN FRANCISCO-OAKLAiNU i<.AY BRIDGE. INTERIOR OF A SHEET PILINGCOFFERDAM AT PIER E-20 Within this stockadi of interlocking steel sheet piling, .iOO wood piles have been driven intu the stiff material at the bdttom uf the bay. The waterhas been pumped i)ut and a seal of concrete laid over the butts of the piles above the mud. Concret
Architect and engineer . The first pier completed for the San Francisco-Oakland Bay Bridge,foot of Harrison Street. San Francisco. The pier stands 40 feet out ofwater and is 52 feet wide by 122 feet long. BAY BRIDGE PROGRESS TO DATE ANDFORECAST FOR 193-4 ^ 43 ?. SAN FRANCISCO-OAKLAiNU i<.AY BRIDGE. INTERIOR OF A SHEET PILINGCOFFERDAM AT PIER E-20 Within this stockadi of interlocking steel sheet piling, .iOO wood piles have been driven intu the stiff material at the bdttom uf the bay. The waterhas been pumped i)ut and a seal of concrete laid over the butts of the piles above the mud. Concrete will be placed within this piling and the pilesremoved, leaving a concrete block 45 feet thick resting up pilings embedded in its bottom and extending 40 feet farther into the firm foundationmaterial. This jiier construction method is typical of all the piers along the Key Route Mole, just off the Oakland tidelands. BAY BRIDGE CONSTRUCTION WORK ENTERSSPECTACULAR STAGE T. HE most important,although largely invisible undertaking inthe building of the San Francisco-OaklandBay Bridge, is now in progress. This is theunder-water construction of the huge pierswhich support the towers, cables and theirloads in the West Bay, and the cantileverand simple truss s
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Keywords: ., bookcentury1900, bookdecade1900, booksub, booksubjectarchitecture
