1. For the concrete overpass structure shown in Figure P7–23, determine the maximum principal…


1. For the indurated overpass composition shown in Figure P7–23, state the zenith main stresses and their residuums. Assume plane percolate provisions. Let E = 3:0  106 psi and n = 0:30.

2. For the steel culvert shown in Figure P7–24 on the next page, state the zenith main stresses and their residuums and the largest misplacement and its residuum. Let Esteel = 210 GPa and let n = 0:30.