A treatise on architecture and building construction . (a). (h) Fig. 93. or by wrapping the casing with wire or metal lathing. Thecasing is set away from the column, around which an airspace is thus left. Concrete is also used to protect columns, either applied asa solid covering, or as a shell a few inches thick around thepillars, leaving an interior air space. Plaster applied to wireor expanded metal lath is another method of protection, andwill be explained under Plastering. 19G. The Chicago building law makes careful provisionin regard to fireproofing columns, and its requirements will 114
A treatise on architecture and building construction . (a). (h) Fig. 93. or by wrapping the casing with wire or metal lathing. Thecasing is set away from the column, around which an airspace is thus left. Concrete is also used to protect columns, either applied asa solid covering, or as a shell a few inches thick around thepillars, leaving an interior air space. Plaster applied to wireor expanded metal lath is another method of protection, andwill be explained under Plastering. 19G. The Chicago building law makes careful provisionin regard to fireproofing columns, and its requirements will 114 MASONRY. 8 serve as a guide to proper construction. If brick is used asthe protective casing, it inust be at least 8 inches thick; iftile is used, it must be put on in 2 rings, each at least 2 inchesthick for porous terra cotta, or 2|- inches thick for densehollow tiling. The two thicknesses of tile must break joint,and must be so fastened as to be independent of each the covering is likely to be injured by trucking, etc.—asin a warehouse or s
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Keywords: ., bo, bookcentury1800, booksubjectarchitecture, booksubjectbuilding
