Proceedings Volume . 8

Proceedings Volume . 8

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...classrooms 12 ft. The plumbing fixtures are all of colonial ware and of the latest pattern, two drinking fountains are arranged in the corridors, one in each story. Special antipanic exit bolts are arranged on the outside doors, which open out. The details provided for a steel frame for the classroom section, of 12 columns connected by horizontal steel girders in the plane of the walls at several points. The girders carried 2 floors or 2 sets of separately molded and cast reinforced concrete joists, spaced about 4 ft. on centers which rested on and were anchored to them. The joists carried in turn a series of ribbed reinforced concrete slabs separately molded and cast in the factory (Fig. 4). The roof was constructed in same manner as the floors, the only difference being that the joists were not of uniform section throughout being severally graded or warped so as to give the roof slabs resting on them the proper pitch to throw the water to desired points. The floors and roofs of corridors and entrance porches were built also of separately molded members supported by bearing walls of masonry. The type of unit members employed is shown in Fig. 5. A short description oMhe process of manufacturing separately molded reinforced concrete members may be of interest. A frame was made up of the steel rods necessary to reinforce the concrete, carefully designed to take care of all the tensile stresses which might be developed in the member when finished, set in place and loaded, and also all shear which the concrete would not take care of. Longitudinal tension rods were carefully bent to the desired form and united into rigid frames by means of vertical loops and small rods wound around the larger ones which also take care of the shear. Some smaller...show more

Product details

  • Paperback | 186 pages
  • 189 x 246 x 10mm | 340g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 123661626X
  • 9781236616265