Recent content by bcfcdan

Homework Statement Several beams of 533 x 210 x 92 kg/m UB section in grade 5275 steel are used to support a composite floor slab. Each beam is simply supported with an effective span of L=6.50 m. (a) During construction, before the floor slab is cast, a temporary concentrated load P kN...

Ah yes, I thought that might be it. Bit odd considering we get told to use g = 9.807 and then the correct answer is through using it as 9.81!

Thanks for your help. Just looked at the answer that we were given for this question and it was 27,590kN.

Would that be (1000 * 9.807 * 7.5) * (15 * 25)? Which gives 27,582kN

Thanks for the reply, so I need to find the Pressure at each point along the Dam? Which would be (1000 * 9.807 * 1) + (1000 * 9.807 * 2) ... up to 15m?

Homework Statement A vertical rectangular dam of width 25m contains water in a reservoir of depth 15m. What is the overall force exerted on the dam by the water? Homework Equations P=F/A ... F=PA P = pgh The Attempt at a Solution I'm really not sure about this one to be honest. I tried...