Figure 1 shows an outdoor staircase that was built for emergency evacuation of people from a three- storey building. The staircase consisted of a 150UC23.4 column that was fixed to the ground at one...

Figure 1 shows an outdoor staircase that was built for emergency evacuation of people from a three- storey building. The staircase consisted of a 150UC23.4 column that was fixed to the ground at one end with the other end free. 230PFC sections were used as the side beams of each staircase segment that was fixed to the column. Detailed dimensions of the structure are shown in Figure 2. Refer to "Hot Rolled and Structural Steel Products" published by OneSteel Market Mills for the detailed information of the steel sections used in this project. Figure 1 1700 2000 2000 2000 2000 1200 2500 1200 1040 1040 R1200 1200 2500 Figure 2 2. Determine the member compressive capacity of the 1500C23.4 column (stress relieved with a yield stress of 320MPa for both the flange and the web) if it is fixed to the ground and pin supported on the web at locations measured 4m and 8m from the ground as shown in Figure 3. (7%) 4000 4000 Figure 3