{"id":null,"ids":[],"kind":"named in documents","name":"Golden Gate Bridge approach structures","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/C123303273:126/2",1990,1970,"1970's","measure","study or report",null,"Golden Gate Bridge approach structures · other: bracing added","unverified","C123303273",126,"https://archive.org/details/C123303273/page/n125",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:103/1",1990,1982,"1982","event","study or report",null,"Golden Gate Bridge approach structures · event: Seismic upgrade in which restrainers were installed across the bearings of the approach structures","unverified","C123303273",103,"https://archive.org/details/C123303273/page/n102",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:105/1",1990,1990,"","finding","study or report",null,"Golden Gate Bridge approach structures · finding: displacement capacities of the bearings and joints currently in the structure are insufficient","unverified","C123303273",105,"https://archive.org/details/C123303273/page/n104",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:122/1",1990,1990,"","finding","study or report",null,"Golden Gate Bridge approach structures · finding: Structures are vulnerable to ground motion excitation","unverified","C123303273",122,"https://archive.org/details/C123303273/page/n121",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:122/2",1990,1990,"","finding","study or report",null,"Golden Gate Bridge approach structures · finding: Some risk of damage in an earthquake of [name withheld] magnitude greater than 7 centered near the bridge site","unverified","C123303273",122,"https://archive.org/details/C123303273/page/n121",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,2.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:122/3",1990,1990,"","finding","study or report",null,"Golden Gate Bridge approach structures · finding: High levels of damage expected in a [name withheld] magnitude 8 or greater earthquake centered near the bridge","unverified","C123303273",122,"https://archive.org/details/C123303273/page/n121",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,2.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:122/4",1990,1990,"","finding","study or report",null,"Golden Gate Bridge approach structures · finding: Risk of collapse or impending collapse after such an event","unverified","C123303273",122,"https://archive.org/details/C123303273/page/n121",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,2.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:122/5",1990,1990,"","recommendation","study or report",null,"Golden Gate Bridge approach structures · recommendation: Structural retrofitting of the approaches prior to a strong earthquake to minimize damage potential","unverified","C123303273",122,"https://archive.org/details/C123303273/page/n121",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,3.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:126/3",1990,1990,"","finding","study or report",null,"Golden Gate Bridge approach structures · finding: severely overstressed under strong seismic forces; restrainers may not be effective","unverified","C123303273",126,"https://archive.org/details/C123303273/page/n125",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0],["f","dl-sf-facts-v1.1-haiku55-2026-10/C123303273:102/2",1990,1990,"1990","action","study or report",null,"Golden Gate Bridge approach structures · other: three-dimensional linear computer models of each entire structure developed for seismic response analysis","unverified","C123303273",102,"https://archive.org/details/C123303273/page/n101",null,null,null,"Golden Gate Bridge seismic evaluation","n","a",0,-1.0]]}