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 = gm.create_soil(phi, cohesion, unit_dry_weight)
fd = gm.create_foundation(length, width, depth)
capacity.terzaghi_capacity(sl, fd, verbose=0)
print(fd.q_ult)
assert ct.isclose(fd.nc_factor, 12.86, rel_tol=0.001)
assert ct.isclose(fd.nq_factor, 4.45, rel_tol=0.001)
assert ct.isclose(fd.ng_factor, 2.168, rel_tol=0.001)
assert ct.isclose(fd.q_ult, 515.0, rel_tol=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 = gm.create_soil(phi, cohesion, unit_dry_weight)
fd = gm.create_foundation(length, width, depth)
capacity.terzaghi_capacity(sl, fd, verbose=0)
assert ct.isclose(fd.nc_factor, 57.8, rel_tol=0.001)
assert ct.isclose(fd.nq_factor, 41.4, rel_tol=0.001)
assert ct.isclose(fd.ng_factor, 47.3, rel_tol=0.001)
assert ct.isclose(fd.q_ult, 1347.0, rel_tol=0.001)
print("DONE")
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 = gm.create_soil(phi, cohesion, unit_dry_weight)
fd = gm.create_foundation(length, width, depth)
capacity.terzaghi_capacity(sl, fd, verbose=0)
print(fd.nc_factor)
print(fd.q_ult)
# assert ct.isclose(fd.nc_factor, 6.28, rel_tol=0.001)
# assert ct.isclose(fd.q_ult, 255.0, rel_tol=0.001)
capacity.vesics_capacity(sl, fd, verbose=0)
assert ct.isclose(fd.q_ult, 298.0, rel_tol=0.001)