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Problem 1: A simply supported slab carries a superimposed dead load of 2 kPa and live load of 3kPa. Length of the slab is 5m and width of the slab is 4 m. exposure classification is A1. Design the slab as per AS3600 (design includes strength and serviceability check). Use welded wire fabric.
Problem 2: A column 400x400 mm plan dimensional is reinforced with 4N24 bars and R10ties@150c/c. Grade 32 concrete is used. A cover of 25mm is provided. The column is subjected to an axial force of 600kN and a bending moment of 25 kNm. The column is pinned at the bottom and is restricted at the top. The length of the column is 4.5m. check whether the provided reinforcement comply the AS3600 requirement and if not re-design the column.
Problem3: A temporary bridge of 10m span is used in a construction site and it is constructed using a number of 610UB101 steel beams spaced at 2m with a 100mm height timber deck on top. During construction this bridge will be subjected to a slowly moving live load of 10 kN/m. the density of hardwood timber used can be taken as 12 kN/m3. Determine adequacy of the section to carry the load combination of dead and live load. Assume the ends of the beam are fully restrained.
Problem 4:
1. Explain the terminologies 'short and long columns"
2. Why the "cover to reinforcement and bar spacing" measurements are important in the design of structural elements.
Using the ADA code, what is the allowable minimum length of the ramp base if base if it is 2 ft high and the code is 1:12
Determine the maximum theoretical speed that may be achieved over a distance of 60 m by a car starting from rest, knowing that the coefficient of static friction is 0.80 between the tires and the pavement and that 60 percent of the weight of the car
A ball is thrown vertically upward with a speed of 15m/s. Determine the time of flight when it returns to its original position.
The entrance to Mt. Hood Meadows (elevation 3,075 ft at the point of crossing) is grade separated from Viking highway (elevation 3,050 ft at the point of crossing) and will have to be connected. The two roadways intersect at a right angle.
A container with a plunger compresses one pound mole of an ideal gas from 1 atmospheres pressure to 10 atmospheres. Calculate the amount of work done if the process is considered to be polytropic. Assume the temperature to be 273K and the value of k ..
this concentration is based on an assumption that the individual is generally healthy and is exposed for 8 hours per day over a working lifetime ( that is from age 18 to 65 years). assuming a body weight of 78 kg and an inhalation rate of 0.63 m^3..
Suppose a drainage basin has an area of 288 acres with a CN=55(Runoff Coef. of 0.30). Determine the peak discharge (in cfs) that would result from a 6.0in., 24-hr assuming there are no ponds and swampy areas.
The pump graphs are given to us, and I'm asked to determine possible lengths and diameters of the pipe to meet two requirments. The system can have multiple outputs in order to satisfy the needs, but they must be occuring at the same time.
A square yellow-brass bar must not stretch more than 2.5 mm when it is subjected to a tensile load. Knowing that E = 1.5 GPa and that the allowable tensile strength is 150 MPa
A stream conveying a flood peak of 50 m3/s (velocity 1.25 m/s and depth 1 m) is divided into 1 km long reaches for solution of the unsteady equations. Determine the largest value of ft for which the solution will be stable.
How long would it take to fill a 30 yd^3 packer truck that compresses waste to 750 lb/yd^3 if it travels 100 ft between stops at an average of 5mph and it takes 1 minute to load 200 lb of waste at each stop
how large a sample must we take in order to be a) 95% b) 90% c) 99 d) 99.73% confident that the error in the estimated mean lifetime will not exceed 20 hours.
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