The San Francisco earthquake and fire; a brief history of the disaster; a presentation of facts and resulting phenomena, with special reference to the efficiency of building materials, lessons of the disaster . EARTHQUAKE EFFECT. A fissure on East Streel near the water front. iXote tlie seUlenient (f tlie sireet sur-face as shown by the exposed curb at the riglit hand side. In this h)eality the f;round \^as made, or avtihcially filh-d in. 10. EARTHQUAKE EFFECT. Distortion of the surface of Mission Street near Seventh, showing the southeast cornerof the United States Post-Office Buikiinff at th
The San Francisco earthquake and fire; a brief history of the disaster; a presentation of facts and resulting phenomena, with special reference to the efficiency of building materials, lessons of the disaster . EARTHQUAKE EFFECT. A fissure on East Streel near the water front. iXote tlie seUlenient (f tlie sireet sur-face as shown by the exposed curb at the riglit hand side. In this h)eality the f;round \^as made, or avtihcially filh-d in. 10. EARTHQUAKE EFFECT. Distortion of the surface of Mission Street near Seventh, showing the southeast cornerof the United States Post-Office Buikiinff at the left hand side. 30 Buildinos with steel skeleton frames nnd curtain walls (/. c, walls su])ported I)} the steel frame) generallysustained the earth([uake sliock witliout structural daniaye. Tliese buildinj^s, midway between the top and thebottom, sometimes showed characteristic X cracks in the Avail jjiers between the window openings, indicatingthat that portion of the structure was subjected to aljnormal sti-ains, and tlnough structural flexil)ility the toppart of the building Avas unable to folhjw the movements of the base. A racking motion therefore resulted,causing the cracks. The failure of the chinmeys at mid-height Mas no doubt the result of the same cause. The physical effects of the eaith([uake Avcre also very noticeable in surface mo\ements. Fences tliat Avereoriginally in a straight line, sometimes had otfsets as much as
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectear, booksubjectfires
