1- In a pinned-base rectangular portal frame ABCD the columns AB and CD are each of height 3m and the beam BC is length

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1 In A Pinned Base Rectangular Portal Frame Abcd The Columns Ab And Cd Are Each Of Height 3m And The Beam Bc Is Length 1 (112.83 KiB) Viewed 97 times

1- In a pinned-base rectangular portal frame ABCD the columns AB and CD are each of height 3m and the beam BC is length 9m. The members are of uniform section throughout, with plastic moment 30kNm. The frame carries a horizontal load 10 kN applied at C, and also a vertical load 102kN at a distance 3m from B. Find the collapse load factor when the horizontal load acts in the direction BC, and also when it acts in the direction CB. 1on B 10 -101 30 3m (30 А Im 2- For the continuous beam shown below, show that at collapse the plastic hinge which forms in BC is located at a distance (12-1) from B, and find the value of W which would cause collapse. -W/L B CA A * l l + *