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Problem 1. Solve the following three questions of the beam ABC. Note that A is a roller support; B is a pin connection; and C is a fixed support.
1) Draw the influence line for the support reaction at A (tabulate value method);
2) Determine the maximum support reaction that can be developed at A in the beam due to: a concentrated moving load of 5kN and a uniform moving load of 4kN/m;
3) Calculate the support reaction at point C for the beam ABC subjected to the loading obtained from 2).
Problem 2. A bridge is composed of the structural system whose configuration is shown in the following figure. The truss is loaded at its top chord panel points by the reactions from a stringer and floor beam system that supports a roadway slab.
1) Use tabulate value method to draw the influence lines for forces in bars BF and BC.
2) If a fully loaded motorised ore carrier with a total weight of 70 kN crosses the bridge, use either increase-decrease method or trial-and-error method to determine the maximum compressive force in bar BF. Assume the truck can only move from the left to the right.
street nam sizes on the signs at a certain location can be discerned by a person with 20/40 vision from a distance of 300 ft. how much larger should the street names be in order to be legible to a person with 20/50 vision from a distnace of 450 ..
A water treatment plant with a maximum daily flow of 4.4 m3/s is treating surface water with a minimum ambient temperature of -1°C (30°F). The water is coagulated with alum and the alum floc was measured to have a settling velocity of 1.6 m/h at 1..
The end caps are spherical. The cylinder has length of 30 inc., a diameter of 8 in., and a wall thickness of 0.125 in. Determine the stress in the wall at two points A and B. For each, draw the stresses on a 3-D element.
Draw A flow net. Show flow lines, flow Channels, and Equipotential lines. Using flow nets, please provide an estimate of seepage rate below the dam. Your submittal will provide the basis for an environmental impact statement regarding the construc..
A typical energy of a laser pulse from such lasers is 1 mJ. Suppose that energy is uniformly distributed over the laser spot, and the effect is constant during the pulse (a square pulse).
What volume of CO would a 5-mile trip produce after the gas coolsto 25°C (at 1 atm) and per meter of distance traveled, what volume of air could be polluted to the air quality standard of 9ppm
A pipe is to be installed under the ground on a bed of aggregate 6 in. thick. The entire weight on the aggregate from pipe and soil above the pipe is 1800 lbs. per linear foot of pipe. What is the pressure on the soil if theta is 45 degrees
Calculate the minimum-sized sand particle that would be removed in the chamber. To be removed, the particles must settle the depth of 2 m during the period the wastewater spends in the chamber (dT=V/Q).
The variation in the diffusion coefficient with temperature, over an appropriate range of temperature, can usually be approximated as follows: D= (D0)e^-(Q/(KT) where, Q = activation energy (eV/atom) and k = Boltzmann's constant (8.616*10-5 eV/ato..
Design a parshall flume to handle 24mgd in a 10ft wide channel at a downstream depth of 3 ft. If the channel floor is at elevation 65.7ft, what is the water elevation upstream of the flume
We are analysing energy efficiency of four different cars, A (3.2 miles/kwh), B (42 mpg using Clean Diesel), C (22 mpg using corn based ethanol E85), and D (28 mpg using regular gasoline). Now accounting for all of the energy used, including extra..
Choose a pipe to be used as a tension member to resist a service dead load of 10 kips and a service live load of 25 kips. The ends will be connected by welding completely around the circumference of the pipe.
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