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The Pratt truss form, invented in 1844 by Thomas and Caleb Pratt, is the most common truss form in California and the United States. This form first appeared as a "combination truss" built in wood and iron with wooden vertical members, chords, and endposts, and iron tension diagonals. The basic form changed to all-metal construction by the 1880s.
Plank framed truss was the name for roof trusses made with planks rather than timber roof trusses. In the 20th century, it was typical for carpenters to make their own trusses by nailing planks together with wood plates at the joints. Today similar trusses are manufactured to engineering standards and use truss connector plates.
Pony Pratt half-truss Garnett Creek Bridge on CA 29: 1902, 1914 2005-08-05 ... Highway Bridges of California MPS I Street Bridge: 1910, 1911 1982-04-22 Sacramento
Pratt truss: 1915 1985 San Felipe Road Pacheco Creek: Gilroy and Dunneville: Santa Clara and San Benito: CA-48-A: Tule River Hydroelectric Complex, Tule River Bridge Demolished Pratt truss: 1913 1985 San Joaquin Light and Power Corporation access road
John Calvin Jureit (July 24, 1918 – September 9, 2005) was an American civil engineer and the inventor of the Gang Nail connector plate, used in building construction specifically for the joining of timber truss joints of roof, floor trusses and prefabricated wall panels. This invention has been widely credited for the boom in affordable ...
Tied with Temple Beth Sholom for the oldest extant synagogue in California. [139] [140] Temple Beth Sholom: San Leandro: 1889 Synagogue Tied with Temple Beth Israel for the oldest extant synagogue in California. [141] Old Chronicle Building: San Francisco: 1890 Office: First skyscraper in California. [142] Pope Street Bridge: St. Helena: 1894 ...
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For the longer spans, it is uncertain if the Greeks or Romans invented the truss but the Romans certainly used timber roof trusses. Before 650 BC the now famous ancient Greek temples were built of wood, but after this date began to be built of stone. [ 22 ]