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Problem:

A proposed elevated concrete water tank is shown on the plan below. The tank serves as a water supply for a local subdivision and distributes it via gravity due to its elevation. The properties of the tank are as follows:

ALL GIRDERS$/$BEAMS $-300$X$800$mm

ALL SLAB $-200$MM THICK

ALL COLUMNS $-500$X$500$mm

Properties of the tank:

The walls are made of $250mm$ thk concrete that is $5\mathrm{.}6$ meters high which is carried by the girders and beams. The maximum height of the water on each chamber is limited by placing a pipe $0\mathrm{.}6m$ below the top that would automatically let the water overflow to the next chamber. When all chambers are filled, the water overflows to the last outlet pipe that will then serve the subdivision. Ignore the weight of the slab cover on tod.

Parameters:

$f^{\text{'}}c=4000$ psi $(28$Mpa$)$

$fy=60,000$ psi $(414$Mpa$)$

$E($ steel $)=29,000$ksi$(200,000$Mpa$)$

Density of water $($specific weight$)-9\mathrm{.}81k\frac{N}{m}3$ Density of concrete $-24k\frac{N}{?}$ cubic meter

QUESTIONS

Determine uniformly distributed load to be carried by the girders along Gridline $B$ due to $DEA{D}_{?}$ LOAD.

Determine the uniformly distributed load to be carried by the girders along Gridline B due to LIVE LOAD.

If the beam along gridline $B$ is considered a beam with spandrel support at its ends!$\text{'}$ determine the negative Moment at Gridline B due to Dead Load

Using the same scenario for Question $3,$ determine the negative Moment due to Live Load