Design of Domes (Classic Reprint) - Couverture souple

Terrington, J. S.

 
9781332786640: Design of Domes (Classic Reprint)

Synopsis

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Présentation de l'éditeur

Tond Hr. (coeffcen Tbofrj dGJL55 OO 030 40 SO 60 TO 80 90 100 IO 120 150140 150160 770 180 Fig. 5. height measured on any great-circle arc through the crown. Now if a load of 25,000 lb. due to a lantern or ornament is placed at the top, the hoop tension 25,000 induced at this level is cosec2 40 X2-41 =-f 383 lb. (tension) 2.:7r.25 2.71.25 A net tension of 83 lb. per foot is therefore exerted. Thus an area which would other%vise be in hoop compression is by reason of the concentrated load subjected to hoop tension. Example. An example of a hemispherical domed she Uof uniform thickness of 5in. with a radius of 37 ft. 6in. will be used to illustrate the method of calculating the stresses and reinforcement required at any point. The weights of the shell, covering, and wind and snow load may be taken as 60 +20 +20 =100 lb. per square foot.
(Typographical errors above are due to OCR software and don't occur in the book.)

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