(II) The subterranean tension ring that exerts the balancing horizontal force on the abutments for the dome in Fig. 9–34 is 36-sided, so each segment makes a 10° angle with the adjacent one (Fig. 9–77). Calculate the tension F that must exist in each segment so that the required force of 4.2 x 105 N can be exerted at each corner (Example 9–13). -F 5° 5° FIGURE 9-77 420,000 N Problem 58. Buttress

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(II) The subterranean tension ring that exerts the balancing
horizontal force on the abutments for the dome in Fig. 9–34
is 36-sided, so each segment makes a 10° angle with the
adjacent one (Fig. 9–77). Calculate the tension F that must
exist in each segment so that the required force of
4.2 x 105 N can be exerted at each corner (Example 9–13).
-F
5°
5°
FIGURE 9-77
420,000 N
Problem 58.
Buttress
Transcribed Image Text:(II) The subterranean tension ring that exerts the balancing horizontal force on the abutments for the dome in Fig. 9–34 is 36-sided, so each segment makes a 10° angle with the adjacent one (Fig. 9–77). Calculate the tension F that must exist in each segment so that the required force of 4.2 x 105 N can be exerted at each corner (Example 9–13). -F 5° 5° FIGURE 9-77 420,000 N Problem 58. Buttress
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