$4-26.$ The horizontal thrust at the base of the three$-$hinged arch shown in the accompanying illustration is to be resisted by a tie rod of A$36$ steel. What size threaded round tie rod should be used if the arch supports the working loads shown in the figure?

USE LR$,$D What is the deflection of the rod? Is it ok

$($use unfactored lads for deflection$)($in your

FIGURE P$4-26$

NoTE: Avoiloble tie rod dianeters $-$ see Als Toble $15-6($see $13\mathrm{.}3/3)$ Do NOT USE THIS TABLE FOR TE ROD CAPAETTIES:

$($it is for turnbudiles$)$