4.What information is needed when determining the size of a structural member to use (say you are determining if it is appropriate to use a douglas fir or pine 2 x10 or 2 x 12 wood joist or perhaps a TGI for example)? Provide at least three pieces of information that you would use in your analysis to determine the best structural member.

5.How many tons of course aggregate will be required to fill a trench that is 75 yards long, it is 3 feet wide at the bottom of the trench, 4 feet deep and 5 feet wide at the top of the trench? The course aggregate unit weight is 150 lbs. per cubic foot. Do not worry about compaction of the aggregate or water.

7.A square column with sides of 2 feet x 2 feet is subjected to a load of 100 tons, what is the stress on this column in psi?

9.You want a swimming pool that will be a rectanbular shape of 40' x 60' and have an average depth of 8'. How many dump truck loads are required to excavate this pool, assuming one load can carry 15 yards? The swell factor is 7%, meaning that once the dirt is removed from the ground, it will take up more space (swell) when placed in the dump truck.

10.Calculate the number of tons of asphalt required to overlay a 4 mile, 27 foot wide, 3.5 inch thick of wearing course (the density of the asphalt is 142 pcf)?

11.Given the following concrete batch information:

Water 400 lbs, Cement 500 lbs, course aggregate 1800 lbs and fine aggregate 1000 lbs.

If the density of concrete is 150 lbs/ft3, what is the yield of the batch in cubic yards?

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