Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 423
hes or cin-ders, which greatly decreases theweight. The following table gives theaverage weight per square foot forfloors constructed of concrete mixedin the proportion of 1 part Portlandcement, 2 of sand and 5 of cin-ders, the weights being based uponresults obtained by weighing thematerials taken… … APPENDIX. 4° 5 different heights of arches, measured from under side of beam totop of arch. WHEN CONCRETE IS MAXIMUM SPACING, TO BE LEVELEDABOVE UNDERSIDE OF FLOOR OF IRON FLOORBEAMS (INDE-PENDENT OF SIZE THICKNESS OFCROWN AT CEN-TRE OF ARCH. WEIGHT PER SQUAREFOOT, INCLUDINGONLY CONCRETE BEAMS TO A…
Building
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