Билет No 36. Нические характеристики материалов и их определения.
F
2F
-
ЗР
Задан статически определимый стержень, работающий на
растяжение-сжатие. Материал стержня — сталь, модуль уті-
ругости первого рода E = 2 -10° МПа, допускаемые напря-
жения принять равными bT100 Мпа; нагрузка P = 10 Кн,
Длины участков стержня
a = 0,1 м. Подобрать площадь
поперечного сечения F, определить полное удлинение
стержня ДІ. Построить эпюры продольных сил N, но р-
мальных напряжений о, перемещений сечений стержня Д.
a
а
a
a
а
-
ИЗо
Е, Е вечі"
Fi , faoәлі - з чеги-
эмлогч дошлаш
le​

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