The analysis for pedestrian bridge was checked by Mr. Goh. Two mistakes were specified by him. First, the bridge was assumed to be straight instead of tilted, was completely wrong. Second, there is an additional loading on the bottom chord of the main truss, due to selfweight of the concrete and aluminum box.
First attempt was made to model the bridge based on the coordinate obtained from the autocad drawings provided. Sadly, it yields an irregular shape. Without much hesitation help was seeked from Mr. Lim. he advised me to make things simpler by rounding up the numbers and use cos-sin-tan method to obtain the coordinate. The corrections and analysis was completed on the day.
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