1.For a three span continuous beam ( three 20' spans ), subjected to some uniform load, what is Cb for each span? Assumed the beam is braced against translation and rotation at each support.
2.a 520 ft long equal tangent crest vertical curve connects tangents that intersect at station 340 00 and elevation 1325 ft the initial grade is if 4 and the final grade is 2.5 determine the elevation and stationing of the high point PVC AND PVT
3.For a given stockpile of aggregate, do you think the unit weight of the aggregate is a constant? please provide a clear and concise explanation