Highway-Transitioned Curves
In transitioned curve, the point of 0% crossfall corresponds to the start of the transition (entering the curve) and the full superelevation for the …
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Non-Prismatic Beam Deflection
Typical formula for beam deflection is not usable when we encounter a non-prismatic beam. The cross-sectional area of a non-prismatic beam changes al…
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Highway-Compound Curves
Compound curves are horizontal curves of different radii turning in the same direction with a common tangent point. However compound curves shall be …
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Highway-Broken Back Curves
Broken back curves (aka similar curves) are horizontal curves turning in the same direction joined by a short length of straight or two relatively s…
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Approximate Method for Frame Subjected to Lateral Load
Forces developed in statically indeterminate frame subjected to lateral load can be calculated using approximate method. There are two approaches to …
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Highway-Reverse Curves
Reverse curves are horizontal curves turning in opposite directions that adjoin with a short length of tangent between the curves. They can only be u…
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Highway-Horizontal Curves
1. Transitioned Curves: Match superelevation (SE) runoff with the transition. 2. Untransitioned Curves: a. Circular curves (50% of SE at…
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Truss Deflection - Virtual Work Method
How do we determine node deflection for a truss? Virtual work method is the most common solution to accomplish task. Under real load case, forces dev…
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