E 44200 Quiz 1 , ' Fall 2010
In the built-up fascia girder shown below. 2 - L7x4xll2 are welded to W :46le so
that the section functions as a unit. .
a) Choose the origin of the reference axes X. Y to be at the centrord of W 36x160'.
nd the locat
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The welded rigid frame A-B-C-D shown below, spaced 25'-0" on centers, is used for
a one story industrial building.
Assignment # 5
Roof loading consists of a uniformly distributed dead load of 50 psf and a uniformly
distributed live load of 40
The applied loads on the one story warehouse shown below are as follows:
Dead Load (including columns)
Rainwater or Ice Load
= 25 psf
Horizontal Wind Load (reversible and applied on the 40'x30
1)-, L, Verifyshown$-elow that the maximum
that theoretically be used on the
factored tensile force, Tu may be
carried is 3.41": Use U :.85. Use Tabl
For a Wl6x26, A992 column with K*L*: KrL, = 5
f,l r-" a. Determine the column critical slenderness ratio.
'/ luo b. Check the slenderness of the shape's web and flanges.
Does the result of (b) confirm footnote c of Ta
1. A Wl0xI2, A992 steel is used for a simple beam with Cu : 1.0. Do the following:
a. Check the slendemess of the shape's web and flanges; compare your results with
footnote'T'of AISC Table 1-1.
b. If the beam compression flange i
the given Tables in the problem statement are from the AISC 2005 manual.
A simply supported W14x90 spans 25 ft and is braced at its ends only. The steel is
rhe interior qvruilu of a braced industrial buildinq #"ry dgfut. The column i:.nil
Ino lruerlvr oolurnn vr c vrevv*
load of 35 psf Assume 604llf9r gllryqtl|Yl
In acfw_dition, its ryeak
A W18x76 beam-column of A992 Grade 50
an axial compiessive
factored load of 100 kips as shown below. The
inember is pinned at both
ends abbut bpth,axes. Delemrine-the intensity of the uniformly distributed factored
Part of a floor ftaming system is shown below. A 4" thick leinforcfd concrete floor slab
of normal-weilht concrete is supported by flqor beams spaep$,ad 7-' . The floor beams
are support"d ly$tdgt, which in turn
1- Column AB E :ILqIlAaLlglUAn-in aa interm"O\at"+#tt of a multi-story moment
frame shorm in Jteti[?a). T6e joints are rigid to give the frame action in the
provided and the attachments
bending; horvever in transverse direc
1. Column AB is an exterior column in an inteii-odfiie level of a multi-story moment
frame shown in sketch (a). The joints are rigid to give the frame action in the plane of
bending; however in transver
Assignment # 4
Find the maximum permissible design moment, eoMn, for a laterally supported W
12 x 65 member of:
D ,4.36 steel.
it) A572 Grade 60 steel.
Use the properties of the section from Part
equations of Section F3, pg 16.l-49.
Determine the service axial ioad P which'the Wl2 x 45 may be permitted to carry.
Lateral supports are provided at beam ends and midspan. Use A36 steel.
wo = 0.2 k/fr'(incfuding
For the truss shown below, a W8 x 3 t is used as a continuous top chord member from
U3. If the member consists of
Fu@steel, does it have
thel[adfqrecfw_Jga(bshown below on the chord portion L
weak axis at a height
from the base. ThE column it
of h572 Grade
Determine the permissible design (faaored) load on the column,
assumingthat thcre is no local buc[ling in lhe column plate e