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Cho thanh có tiết diện thay đổi chịu tải trọng dọc trục (hình 1). Biết d1 = 5 cm, d2 = 8 cm, a= 15 cm, b=10cm, P1 =400kN, P2 =200kN, E= 2.104 kN/cm2. a) Vẽ biểu đồ lực dọc. b) Kiểm tra bền của thanh AC,
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Cho thanh có tiết diện thay đổi chịu tải trọng dọc trục (hình 1).

Biết d1 = 5 cm, d2 = 8 cm, a= 15 cm, b=10cm, P1 =400kN, P2 =200kN, E= 2.104 kN/cm2.
a) Vẽ biểu đồ lực dọc.
b) Kiểm tra bền của thanh AC, [ϭ] =10 (kN/cm2).
c) Xác định chuyển vị theo phương dọc trục của tâm tiết diện C

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saay in English language

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