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Unformatted text preview: Nam W"""~«.l)lease believe me  if I cannot follow your work at a glance, if I cannot read your writing, if your work is not
[Eegible or if it is not presented in a logical and easy to follow manner, it will be assigned a grade of zero. Please ’ take this warning seriously. It is one way I get the papers graded quickly. NOTE: DO NOT WORK ON THIS
EXAM. Do all work on separate pages, and attach them to this exam for submission. JProblem 1) Write a singularity function for the moment, slope, and deﬂection of the beam loaded as shown
below. You do not have to solve for Cl and C2, but youaMUST tell me EXACTLY how it will be done. 6k/ﬁ 12ft 16ft 10ftl 8ft ] J 2) Solve for the reaction at the roller for the beam shown, using the method of superposition. 2k/f’r A); l lOﬁ lOﬁ / 3) Calculate the maximum shear, tension and compressive stresses acting in the block shown: mks 6ks t \/ 4) The support brace shown was used in Washington DC. on, the Fort Meyer Shield Project. The diagonal
members were a pair of 6" x 1/2” steel plates, welded top and bottom to horizontal and vertical angles. These """"””*‘plates were welded on either side of the angle P Evebs. The load P was placed in the center of the
"horizontal angle, which was 3 feet long. The vertical angle was 4 feet long. The 6"x1/ " plates buckled, killing one man and seriously injuring a second. Upon investigation we found that these plates were designed for axial load only, and not for buckling. Calculate the allowed load P which q would be permitted if buckling were not present, and then calculate the allowed load P based on the buckling capacity of the pair of 6"xl/2" 5 foot long members. You may assume that all joints are pinned and that the allowed stress for the steel in compression = 60 ksi. /5) Draw a shear and moment diagram for the beam shown. Problem 6) Design the lightest WF to carry a 60 kip load on the end of the cantilever beam shown. Do not
' 60 kl exceed an allowed tensile stress of 60 ksi, an allowed compressive stress of 50
p ksi, nor an allowed shear stress of 10 ksi. 3 feet J Problem 7) Determine the theoretical critical buckling load for
a steel W12x50 braced with four rods about the weak axis, and
two brace rods about the strong axis. One pair of weak axis
brace rods are positioned in the center of the 40 foot tall
column. /Problem 8) The shock absorber shown has an OD = 6" and an
ID = 5.9". Determine the maximum axial load P
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This note was uploaded on 08/17/2010 for the course CVEN 305 taught by Professor Gardoni during the Spring '08 term at Texas A&M.
 Spring '08
 Gardoni

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