Illinois Society of Architects · Chicago · leaf 273
gis entirely composed of concrete. (b) Pipes or conduits may rest upon thetops of the steel floor beams or girders,provided they are imbedded in cinder con-crete to which slaked lime equal to fiveper cent of the volume of concrete has beenadded before mixing or their being imbeddeilin stone… … CoNCRere. Fig-. 45. Fig-. 46 PROTECTION OF BEAMS.Section 845, 846. (A) Fire-proof covering for beams, girders, etc.. Fig 46. (A) 4 for exterior structural parts, Sec. 845. See pro-visions for columns (Sec. 838) for A. Fig. 45. (B) Allowable covering for shelf an-gles, etc.. not figured part of…
Architecture · Building · Architects
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