San Francisco : Architect and Engineer, Inc · leaf 496
ck-ets while removing material from beneaththe piers. Study of the earthquake history in the edges of the bases, dredging wells (Piers12 to 19) and shafts of the piers. At eleva-tion minus 20, where the abrupt change insection occurs, the steel will be extendedfrom the pier base into the shaft… … FORMS FOR CAISSON, SUISUN BAY BRIDCiE, NEAR BENICIA, CALIFORNIA vicinity of Martinez indicates that it is rea-sonable to expect shocks during the life ofthe bridge, although it has not been possibleto obtain exact data as to the forces whichwill have to be resisted. Ordinarily, pierbases of the…
Architecture · Building
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