Keywords: FMIB 49891 Concrete cylinders, Pier 28, San Francisco Disintegration of concrete due to poor workmanship and improper tamping These.jpeg check categories 17 September 2015 3 Concrete cylinders Pier 28 San Francisco Disintegration of concrete due to poor workmanship and improper tamping These cylinders were repaired by encasing in dense concrete Subject Piling Civil engineering Weathering Tag Coasts 1922 Cite book Report on the San Francisco Bay Marine Piling Survey San Francisco Bay Marine Piling Committee San Francisco CA San Francisco Bay Marine Piling Committee 1922 2nd Plate 8 Fig 1 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49891 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Piles structural Weathering |