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 . 67. SPRING VALLEY BUILDING. First Story from tlie northwest corner of the building looking south. Showingthe failure of the soffits of the hollow tile floors and the soffit protection of the beams and girders. The column protectionis only slightly damaged in this story. OS floor level the fire-proof floors are of tile blocks, segmental inform, the spans between girders being 16 ft. The
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 . 67. SPRING VALLEY BUILDING. First Story from tlie northwest corner of the building looking south. Showingthe failure of the soffits of the hollow tile floors and the soffit protection of the beams and girders. The column protectionis only slightly damaged in this story. OS floor level the fire-proof floors are of tile blocks, segmental inform, the spans between girders being 16 ft. The rise of thearch is about 8 and the girders are tied together every i 114 round tic rods. The tile blocks are 5 x 8 x 15 indimension and are laid with the 8 side down, making an arch-?) in thickness. The blocks have a vertical web, the shells being1 and the webs -4 in thickness. Under the segmental arches,at the sotfits of the beams, is erected a wire lath and plaster flatceiling. The roof consists of 3 hollow book tile, laid on tecs spaced18 centre to centre. Underneath the roof is a suspended ceil-ing consisting of tee iron framing at 16 centres, which sup-ports 3 rabetted hollow tile blocks. The r
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectear, booksubjectfires
