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A rectangular portal frame of uniform section is hinged at the base and subjected to the loads shown in Figure S9.2 . The shape factor of the section is 1.15, the yield stress of the steel is 16 kips/in 2, and the required load factor is 1.75. Neglecting the effects of axial loads and instability, determine the required elastic section modulus of the members.
Define the the term ultimate bearing capacity as used in foundation
Using a steel with Fy = 50ksi, whatuniformaly distributed service load can a simple supported W33 x118 carry for a span of 40 ft when (a) the compression flange isbraced laterally for its full length, and (b) lateral bracing issupplied at the ends on..
Abasket strainer is installed in a 15-cm diameter pipe. Pressuregauges are installed immediately upstream and downstream of thebasket strainer. When water flows at 100 m3/hr, the pressure gaugeimmediately upstream of the basket strainer measures 1 ba..
Determine the force required to lift the block of stone that weighs 200 lb. The rollers are frictionless and the static coefficient between all other surfaces is 0.3. Neglect the size and weight of the wedges.
The bend lies in a horizontal plane, and water enters from the west and leaves toward the north. Assuming no drop in pressure, what is the magnitude and direction of the resultant force acting on the bend
write a function that calculates the average of a set of numbers. name the function calculate_average. the function should accept one input which is an array of numbers.
The vertical effective stress at a certain point in a loose sand is 1000lb/ft^2. If an earth quake were to occur, how much excess pore water pressure would need to develop at this point for liquefaction to occur
At a wastewater treatment plant, FeCl3 (s) is added to remove excess phosphate from the effluent. Assume the following reactions occur: FeCl3(s) Fe3+ + 3Cl- Fe3+ + PO4 (3-) FePO4 The equilibrium constant for the second reaction is 10^26.4.
As the weather forecasters frequently state, the atmospheric pressure drops during stormy weather and it rises during clear and sunny days.
A larger-diameter pipeline will cost $2.1 million installed, but its operating cost will be only $8000 per month. Which pipe size is more economical at an interest rate of 1% per month on the basis of an annual worth analysis
A saturated sample of clay with an sl 20 has a natural water content of 32%. What would its dry volume be as a percentage of its original volume of Gs.= 2.67.
The spring loaded supporting rods AB and AC in the figure below aer used as shock absorbers for transporting fragile loads. Knowing that the elastic spring constants for the rods AB and AC are kab = 1.2 kN/m and kac = 1.5 k N/m
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