{"id":null,"ids":[],"kind":"named in documents","name":"Golden Gate Bridge main suspension bridge","tied_by":"name","block":null,"release":"v0.7.1","rows_columns":["t","id","year","y","date","kind","topic","outcome","summary","tier","source","leaf","scan","addr","quote","note","title","how","g","rec","sc"],"rows":[["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:132/8",1990,1990,"","recommendation","study or report",null,"Golden Gate Bridge main suspension bridge · recommendation: strengthen reinforced concrete piers and lower tower sections, restrain tower-pier connections","unverified","C123303273",132,"https://archive.org/details/C123303273/page/n131",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:16/2",1990,1990,"","building","study or report",null,"Golden Gate Bridge main suspension bridge · other: center span 4200 ft; two side spans 1125 ft each","unverified","C123303273",16,"https://archive.org/details/C123303273/page/n15",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:16/3",1990,1990,"","building","study or report",null,"Golden Gate Bridge main suspension cables · other: two 36.5 in. diameter steel wire cables spaced 90 ft apart","unverified","C123303273",16,"https://archive.org/details/C123303273/page/n15",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-4.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:61/1",1990,1990,"","building","study or report",null,"Golden Gate Bridge main suspension bridge · other: 3D global model developed from the South (San Francisco) anchorage to the North (Marin) anchorage","unverified","C123303273",61,"https://archive.org/details/C123303273/page/n60",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:61/2",1990,1990,"","finding","study or report",null,"Golden Gate Bridge main suspension bridge · other: 9,933 frame elements connecting 4,775 nodes in original model","unverified","C123303273",61,"https://archive.org/details/C123303273/page/n60",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:61/3",1990,1990,"","finding","study or report",null,"Golden Gate Bridge main suspension bridge · other: Total active degrees of freedom in final model in the order of 4000","unverified","C123303273",61,"https://archive.org/details/C123303273/page/n60",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:7/3",1990,1990,"","building","study or report",null,"Golden Gate Bridge main suspension bridge · other: -6450-foot long suspension bridge, vulnerable to damage in [name withheld] 8+ earthquake","unverified","C123303273",7,"https://archive.org/details/C123303273/page/n6",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,2.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:8/3",1990,1990,"","recommendation","study or report",null,"Golden Gate Bridge main suspension bridge · recommendation: requires strengthening of its reinforced concrete piers and lower tower sections","unverified","C123303273",8,"https://archive.org/details/C123303273/page/n7",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0]]}