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This document appears to contain calculations and formulas related to structural analysis and design. It includes equations and variables for determining stresses, forces, and other structural properties. Topics such as checking stresses, calculating cross-sectional areas, and analyzing member forces. While the specific context is not entirely clear, the content suggests this document could be useful for students or professionals working in fields like civil engineering, structural engineering, or architecture. The level of detail and technical nature of the content indicates this document is likely intended for an academic or professional audience with a strong background in structural mechanics and design principles.
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lx 1 rx 2
❑ ❑ = λmã = max ( λx , λy ) = → Ymim =
❑ ❑ =^ m =^ cm
❑ ❑ = m = cm M = e1 x A Jx x y1 = ❑ ❑ x^ = λtđ = λtđ x
❑ ❑ = x
❑ ❑
Tra bảng phụ lục 5 ta được : Ylt = Ϭtt = N 1 Ytt x A
❑ ❑ =^ <^ (Fy) ,=^ KN/cm Cặp 2 : E2 = M N
❑ ❑ =^ M^ =^ cm m = e1 x y2 x A Jx
λtđ = λtđ x
❑ ❑ = x
❑ ❑
» Ylt = Ϭ= N 1 Ylt x A
❑ ❑ = KN/ cm^2 < [ fy] = Liên kết thanh giằng vào cấc nhánh cột :