Develop an equation for the critical load Pcr of spring-bar system shown below, assuming that bars are rigid. Use the equilibrium method. Wri the equation in the simplest possible form.

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A: Applied forceOriginal lengthTo find:           Normal strain at C and D.          Show .

Q: maximum normal stress that occurs

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A: Solution: Given Data: P=1000 NAllowable tensile stress δyt=175 KpaAllowable shear stress τu=155…

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Q: Problem 1 A bar obtained by bonding together pieces of aluminum (E, = 70 GPa) and brass (E, = 105…

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A: Givenσx=100Mpaσy=60Mpaτxy=-48MpaRadius of the circleR=(σx-σy2)2+τxy2R=(100-602)2+-482R=52…

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A: GIVEN E=38 GPA lA=5 mm lB=3mm

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A: For bronze: σbrAbr=2P100200=2PP=10,000 N

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A: Given:- L=6fth βR = 75 kip-in./rad To find:- Pcr

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Q: Example 6.24 Using the force (flexibility/compatibility) method. Analyse the structure in he figure…

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Q: al area of 8-in2. The block weighs 80,000-lb and all three post have the same length before loading.…

A: Given data weight=80,000lb=81kip Esteel=29×103 ksi=29×106 psi Ebrass = 14.6×103 psi=14.6×106 psi

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Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.