e structural frame shown in Figure I(c) is rigid jointed and fixed to its supports. The mass of the structure is 5000 kg and is concentrated on the beam that is assumed to be rigid. The two columns are assumed to be massless and each has a flexural stiffness (EI) of 4.5xl10€ Nm². If the structure has a damping ratio () of 4% (=0.04), calculate; the damped natural frequency of the structure. m= 5,000 kg Deflected shape when oscillating L= 3m

e structural frame shown in Figure I(c) is rigid jointed and fixed to its supports. The mass of the structure is 5000 kg and is concentrated on the beam that is assumed to be rigid. The two columns are assumed to be massless and each has a flexural stiffness (EI) of 4.5xl10€ Nm². If the structure has a damping ratio () of 4% (=0.04), calculate; the damped natural frequency of the structure. m= 5,000 kg Deflected shape when oscillating L= 3m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Determine the degree of kinematic indeter- minacy for each structure in Figure P10.35. Neglect axial deformations.
determine the maximum displacement of the beam in the figure shown .
Determine the stability and determinacy of the following figure.
There is no force on a beam, but the beam is subjected to a very large temperature difference above and below. As shown in the figure below, try to calculate the vertical displacement of the midpoint of the beam, assuming that the temperature coefficient of the entire beam is a = 11.7×10^-6 °F. Tip: See Mechanics of Materials for Beam Deformation Geometry
In the given figure find the value of the reaction experience at hinge along C x-axis, if the weight of the bar is 500lb.
A cube 2.28 feet on an edge has its lower half of s.g. = 1.6 and upper half of s.g. = 0.7. It rests in a two layer fluid, with lower s.g. = 1.4 and upper s.g. = 0.8. Determine the height in feet of the top of the cube above the interface.
Two elastic bodies made of different materials are placed in a rigid cavity and their surfaces are in full contact. In the vertical direction, a uniform pressure force acts on body 1 with 120MPa and on body 2 with 40MPa. Calculate all the stresses in objects 1 and 2 and the length changes in the z-axis direction.Elasticity modules:E1 =180GPa, E2 =100GPaPoisson ratios:v1 =0.4, v 2=0.2
Rods BC and DE are connected to an initially horizontal rigid bar CD, while rod AB is attached to rod BC. The length, diameter, and modulus of elasticity of each rod are shown in the figure. Determine the rigid bar’s angle of tilt when the loads are applied in the system. Also, determine the Poisson’s ratio of rod DE if its diameter decreases to 0.998 in.
A linear torsional spring deforms such that an applied couple moment M is related to the spring’s rotation u in radians by the equation M = (20 θ) N ⋅ m. If such a spring is attached to the end of a pin-connected uniform 10-kg rod,determine the angle θ for equilibrium. The spring is undeformed when θ = 0°.
A rod of homogeneous thickness shown in the figure is AB length L and BC length 2L. Find the angle theta at the equilibrium position when the rod is connected by the hinge at point A.
As shown in the figure, a rigid beam with a negligible mass is pinned at one end and supported by two rods. The beam was initially horizontal before the load was applied. P=169.69KN. Find the vertival momement of P and the elongation of steel and aluminum.
In the metallic structure represented by the figure below, the load P is 1200No. What is the maximum bending moment in member BC?