def test_from_encn452_2013(): """ Values from HW#7 crib ENCN452 course 2013 """ length = 6.0 # actually a strip in width = 3.0 depth = 1.5 phi = 0.0 cohesion = 40.0 unit_dry_weight = 18.0 sl = geofound.create_soil(phi, cohesion, unit_dry_weight) fd = geofound.create_foundation(length, width, depth) geofound.capacity_terzaghi_1943(sl, fd, verbose=0) geofound.capacity_vesics_1975(sl, fd, verbose=0) assert np.isclose(fd.q_ult, 298.0, rtol=0.001)
def test_terzaghi_again(): """ values from: Gunaratne, Manjriker. 2006. "Spread Footings: Analysis and Design." """ length = 2 width = 2 depth = 2 phi = 15 cohesion = 20.0 # kPa unit_dry_weight = 17 # kN/m3 sl = geofound.create_soil(phi, cohesion, unit_dry_weight) fd = geofound.create_foundation(length, width, depth) geofound.capacity_terzaghi_1943(sl, fd, verbose=0) print(fd.q_ult) assert np.isclose(fd.nc_factor, 12.86, rtol=0.001) assert np.isclose(fd.nq_factor, 4.45, rtol=0.001) assert np.isclose(fd.ng_factor, 2.168, rtol=0.001) assert np.isclose(fd.q_ult, 515.0, rtol=0.001)
def test_terzaghi(): """ values from: Gunaratne, Manjriker. 2006. "Spread Footings: Analysis and Design." - except qult was not validated """ length = 2 width = 2 depth = 1 phi = 35 cohesion = 0 unit_dry_weight = 17 sl = geofound.create_soil(phi, cohesion, unit_dry_weight) fd = geofound.create_foundation(length, width, depth) geofound.capacity_terzaghi_1943(sl, fd, verbose=0) assert np.isclose(fd.nc_factor, 57.8, rtol=0.001) assert np.isclose(fd.nq_factor, 41.4, rtol=0.001) assert np.isclose(fd.ng_factor, 47.3, rtol=0.001) assert np.isclose(fd.q_ult, 1347.0, rtol=0.001) print("DONE")