The building law of the city of Boston. Being Acts of 1907, chapter 550, as amended, also general and special acts relating to buildings and their maintenance, use and occupancy (1919)
Boston (Mass.), Damrell, Charles S. (Charles Stanhope) · Boston, Building Dept. · leaf 64
Fig. 1. City of Boston Building Law. 61 Sect. 15.] Par. 113.— Fiber stresses, M M fs = Asjd pjhd^ Par. 114. Par. 115. jkbd2 k Steel ratio, for balanced reinforcement,1 P=i fc\nfc /(6) T-Beams. (3) (4) (5) <-.. b H ••• 1^ 1 1 fc ■••I k- b->l … Par. 116.— Case I. When the neutral axis lies in theflange, use the formulas for rectangular beams.Case II. When the neutral axis lies in the stem.The following formulas neglect the compression in thestem. Par 117.— Position of neutral axis, j^^^2ndAs+hl (g) 2nAs-\-m 62 City of Boston Building Law.…
Building laws
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