Kiến trúc - Xây dựng
... n.W0.k.B.∑(ci.hi)=1 ,2. 95.1,0 72. 6.[0,8 .2, 2-0,554.1 ,2+ 0,7 .2, 5-0,8.0,6] = 1734 ,27 8daN = 17,343kN⇒ Wh = n.W0.k.B.∑(ci.hi)= 1 ,2. 95.1,0 72. 6.[0,6(0,6 + 2, 5 + 1 ,2) +0,5 .2, 2 ] = 26 98,353daN = 26 ,984kN 24 000450084000,588T1,734T0,441T 2, 698T ... Độ mảnh:2y2y2yl84068,8r 12, 21λ = = =2x2x2xl 10019, 82 r 5,045λ = = =max 2y68,8λ = λ = tra bảng II.1, ta có : min0,67ϕ = 2 2nh2min nh2N 947,9519, 62( kN / cm ) R 21 ,5(kN / ... (Mmin):MB’ = 1,1 42. ( -2, 029 ) = -1,930 (T.m)MtC’ = -1,855.(- 2, 029 ) = 3,135 (T.m)MdC’ =3,93.(- 2, 029 ) = -6,6 42 (T.m)MA’ = -1,664.(- 2, 029 ) = 2, 8 12 (T.m)RB’ = -0,666.(- 2, 029 ) = -1, 126 (T.m)M0D(T.m)BCA7,607 12, 356 26 ,17811,084 2, 8 12 6,6 42 3,1351,93Hình...