Use "constructional" in a sentence

1. There are thousands of uses for ropes and line, from securing constructional joints to making candle wicks, for rappelling down a cliff face to making snares and nets

2. The size of columns and piers, and the weights imposed upon them, the thrusts of arches and trusses, their proper abutments and ties and other constructional problems have been calculated with a sufficient degree of accuracy to determine the feasibility of the execution of the design according to the drawings