The Architect and engineer of California and the Pacific Coast (1917) (14781836592)

Identifier: architectenginee5017sanf (find matches)

Title: The Architect & engineer of California and the Pacific Coast

Year: 1905 (1900s)

Authors:

Subjects: Architecture Architecture Architecture Building

Publisher: San Francisco, Calif. : Architect and Engineer Co

Contributing Library: San Francisco Public Library

Digitizing Sponsor: San Francisco Public Library

Text Appearing Before Image:

- man jxiwer over a drum. .About 1,3201-1-inch hollow steel sectional piles with an average length of about 20 feetand a maximum length of 21 feet were required. The piles were of a sjjccial type designed by and fabricated for the con-tractor and were made up with riveted sections 2 feet long of .-^-inch steel,having 4-inch inside sleeves projecting 2 inches from the lower end of eachsection to ;)rovide for the installation joints. .After the )iiles were driven,the sand was removed from the interior by a Hay ward orange ))ecl l)ucket THE ARCHITECT AND ENGINEER 81

Text Appearing After Image:

i.lRDERS INSTALLED ON .sr/dlJl laiUF BEAMSTO DISTRIBUTE FOUNDATIOS LUAUS of 1 cubic foot ca-pacity. After beingdriven to the re-quired depth, the))ile.s were thor-oughly cleanedout and filled with1:2:4 concretemade with % to 1-inch gravel. Afterthe concrete hadset. the pileswhich were de-signed for 50.000-pound loads weretested h\ loads ofabout 80.000pounds applied byhydraulic jacks re-acting against thefoundations above.Sh(jrt I-beam columns were seated on the pile ca;)s and supportedhorizontal grillage beams which took Ijearing against the under sides ofthe girders and old foundations by means of steel shin ))lates adjusted inthe usual manner with steel wedges and jackscrews. After the loads weretransferred to the piles, the I-beams for the subway roof were assembledon the surface of the ground in appro.ximately final position, suppt)rtedin some cases by the underpinning girders, and 9-inch sections of U. S.steel sheet piles 12 feet long were driven on each side of the subwav tosafe

New Yorker U-Bahn-Bau Der Architekt und Ingenieur von Kalifornien und der Pazifikküste 1917 Buchillustrationen die Architektur Pazifikküste westliche usa Reise und Beschreibung Architekt und Ingenieur Maschinenbau Bilder aus dem Internetarchiv Kalifornien

1917

San Francisco Public Library

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