Answer Happy

Subject: Design of steel and timber structure
CONFIDENTIAL QUESTION 4 [25 MARKS] A small 4 m x 2 m timber platform with four columns carries 5 kN/m² of load from the joist and wood planks is planned to be constructed for a resort cabin of Sungai Lembing. The details of the beam-column structure for this platform are shown in Figure 4. The beams section used to support the load is 150 mm x 300 mm from Meranti Bakau (wet, standard). The type of timber used is categorised as medium hardwood (MHW) with 800 kg/m³ density. Given the end restraints for both ended are pinned conditions. (a) Check the shear stress capacity of the beam for long term service. 75 75 50 (b) Examine the compression capacity of the column for long term service if the height of the column is 5 m and the section used is the same as the beam section. HH 50 H 4000 21221/BAA3223 Note: All dimensions are in mm Figure 4 [8 Marks] [17 Marks]