Exemple #1
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def test_case_study_wall_pbd_wall_w_sfsi():
    n_storeys = 6
    wb = dm.WallBuilding(n_storeys)
    wb.wall_width = 0.3  # m
    wb.wall_depth = 3.4  # m
    wb.interstorey_heights = 3.4 * np.ones(n_storeys)  # m
    wb.n_walls = 1
    wb.floor_length = 20 / 2  # m
    wb.floor_width = 12 / 2  # m
    g_load = 6000.  # Pa
    q_load = 3000.  # Pa
    eq_load_factor = 0.4
    floor_pressure = g_load + eq_load_factor * q_load
    wb.set_storey_masses_by_pressure(floor_pressure)

    fd = dm.RaftFoundation()
    fd.height = 1.3
    fd.length = 5.6  # m # from HDF
    fd.width = 2.25  # m # from HDF
    fd.depth = 0.0  # TODO: check this
    fd.mass = 0.0

    # soil properties from HDF
    sl = dm.Soil()
    sl.g_mod = 40e6  # Pa
    sl.poissons_ratio = 0.3
    sl.phi = 36.0  # degrees
    # sl.phi_r = np.radians(sl.phi)
    sl.cohesion = 0.0
    sl.unit_dry_weight = 18000.  # TODO: check this

    # hazard
    hz = dm.Hazard()
    hz.z_factor = 0.4  # Hazard factor
    hz.r_factor = 1.0  # Return period factor
    hz.n_factor = 1.0  # Near-fault factor
    hz.magnitude = 7.5  # Magnitude of earthquake
    hz.corner_period = 3.0  # s
    hz.corner_acc_factor = 0.4

    n_wall_eq = np.sum(wb.storey_masses) / wb.n_walls * 9.8
    n_cap_from_hdf = 12.1e6  # N
    n_wall_eq_from_hdf = 2.31e6  # N

    # n_from_input_file = (4.0e2 + 1.905e3) * 1e3
    alpha = 4.

    wb.material = sm.materials.ReinforcedConcreteMaterial()
    # dw = dbd.wall(wb, hz, design_drift=0.025)
    dw = dbd.design_rc_wall_via_millen_et_al_2020(wb,
                                                  hz,
                                                  sl,
                                                  fd,
                                                  design_drift=0.025)
    print(dw.delta_d)
Exemple #2
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def test_model_inputs():
    p_models = [
        dm.Hazard(),
        dm.FrameBuilding(1, 1),
        dm.WallBuilding(1),
        dm.Soil(),
        dm.ReinforcedConcrete()
    ]
    for model in p_models:
        for parameter in model.required_inputs:
            assert hasattr(model, parameter), parameter
Exemple #3
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def to_be_test_ddbd_sfsi_wall_from_millen_pdf_paper_2018():
    fb = dm.FrameBuilding()
    sl = dm.Soil()
    fd = dm.PadFoundation()
    hz = dm.Hazard()
    fb.id = 1
    fb.wall_depth = 3.4
    fb.wall_width = 0.3
    fb.number_walls = 4
    fb.interstorey_heights = 3.4 * np.ones(fb.n_storeys)
    fb.name = 'My' + str(fb.n_storeys) + 'storeyRBwall'  # character String
    fb.building_length = 20.0
    fb.building_width = 12.0  # m
    fb.raft_foundation = 0

    fd.height = 1.0
    fd.width = 5.5

    fb.DBaspect = 0.2
    fb.LBaspect = 2.5
    # loads:
    fb.gravity = 9.8
    fb.soil_type = 'C'
    hz.z_factor = design_spectra.calculate_z(0.4, fb.soil_type)
    hz.r_factor = 1.0
    hz.n_factor = 1.0

    fb.Live_load = 3.0e3  # Pa
    fb.floor_weight = 0.0e3  # Pa
    fb.additional_weight = 6.0e3  # Pa    #partitions, ceilings, serivces
    fb.wall_axial_contribution = 1.0
    fb.conc_weight = 23.5e3
    # Design options:

    drift_limit = 0.012
    foundation_rotation = 0.0009

    # Soil properties
    sl.g_mod = 40e6  # Pa
    sl.poissons_ratio = 0.3  # Poisson's ratio of the soil
    sl.relative_density = 0.60  # %
    sl.phi = 36
    sl.unit_moist_weight = 18e3  # N/m3
    sl.cohesion = 0

    #############################
    # Material info
    fb.fy = 300e6
    sl.E_s = 200e9
    sl.fc = 30e6  # Pa
    sl.E_conc = (3320 * np.sqrt(40.0) + 6900.0
                 ) * 1e6  # 37000000000;   #Pa    (3320*sqrt(40.0)+6900.0)*1e6
    sl.Conc_Poissons_ratio = 0.18
Exemple #4
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def test_ddbd_frame_consistent():
    """
    Test the DBD of a fixed base frame is the same as the SFSI frame when the soil is very stiff.
    :return:
    """

    fb = ml.initialise_frame_building_test_data()
    hz = dm.Hazard()
    sl = dm.Soil()
    fd = dm.RaftFoundation()
    ml.load_hazard_test_data(hz)
    ml.load_soil_test_data(sl)
    ml.load_raft_foundation_test_data(fd)
    frame_ddbd = dbd.design_rc_frame(fb, hz)
    sl.override("g_mod", 1.0e10)  # make soil very stiff
    fd.height = 2.0  # add some height to the foundation
    otm_max_approx = np.sum(frame_ddbd.storey_forces * frame_ddbd.heights)
    af_sfsi = dba.assess_rc_frame_w_sfsi_via_millen_et_al_2020(
        fb,
        hz,
        sl,
        fd,
        theta_max=frame_ddbd.design_drift,
        otm_max=otm_max_approx)
    assert isclose(af_sfsi.theta_f, 0.0, abs_tol=1e-5)

    assert isclose(frame_ddbd.delta_d, af_sfsi.delta_ss,
                   rel_tol=0.05), (frame_ddbd.delta_d, af_sfsi.delta_ss)
    assert isclose(frame_ddbd.mass_eff, af_sfsi.mass_eff,
                   rel_tol=0.05), af_sfsi.mass_eff
    assert isclose(frame_ddbd.height_eff,
                   af_sfsi.height_eff - fd.height,
                   rel_tol=0.05), af_sfsi.height_eff
    assert isclose(frame_ddbd.mu, af_sfsi.mu, rel_tol=0.05), af_sfsi.mu
    assert isclose(frame_ddbd.theta_y, af_sfsi.theta_y,
                   rel_tol=0.05), af_sfsi.theta_y
    assert isclose(frame_ddbd.xi, af_sfsi.xi, rel_tol=0.03), af_sfsi.xi
    assert isclose(frame_ddbd.eta, af_sfsi.eta, rel_tol=0.03), af_sfsi.eta
    assert isclose(frame_ddbd.t_eff, af_sfsi.t_eff,
                   rel_tol=0.05), (af_sfsi.t_eff, frame_ddbd.t_eff)
Exemple #5
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def test_ddbd_frame_consistent():
    """
    Test the DBD of a fixed base frame is the same as the SFSI frame when the soil is very stiff.
    :return:
    """

    fb = ml.initialise_frame_building_test_data()
    hz = dm.Hazard()
    sl = dm.Soil()
    fd = dm.RaftFoundation()
    ml.load_hazard_test_data(hz)
    ml.load_soil_test_data(sl)
    ml.load_raft_foundation_test_data(fd)
    frame_ddbd = dbd.design_rc_frame(fb, hz)
    sl.override("g_mod", 1.0e10)  # make soil very stiff
    fd.height = 2.0  # add some height to the foundation
    frame_sfsi_dbd = dbd.design_rc_frame_w_sfsi_via_millen_et_al_2018(
        fb, hz, sl, fd, found_rot=1e-6)
    assert isclose(frame_sfsi_dbd.theta_f, 0.0, abs_tol=1e-5)

    assert isclose(frame_ddbd.delta_d, frame_sfsi_dbd.delta_d,
                   rel_tol=0.01), frame_sfsi_dbd.delta_d
    assert isclose(frame_ddbd.mass_eff, frame_sfsi_dbd.mass_eff,
                   rel_tol=0.001), frame_sfsi_dbd.mass_eff
    assert isclose(frame_ddbd.height_eff,
                   frame_sfsi_dbd.height_eff - fd.height,
                   rel_tol=0.001), frame_sfsi_dbd.height_eff
    assert isclose(frame_ddbd.mu, frame_sfsi_dbd.mu,
                   rel_tol=0.001), frame_sfsi_dbd.mu
    assert isclose(frame_ddbd.theta_y, frame_sfsi_dbd.theta_y,
                   rel_tol=0.001), frame_sfsi_dbd.theta_y
    assert isclose(frame_ddbd.xi, frame_sfsi_dbd.xi,
                   rel_tol=0.001), frame_sfsi_dbd.xi
    assert isclose(frame_ddbd.eta, frame_sfsi_dbd.eta,
                   rel_tol=0.001), frame_sfsi_dbd.eta
    assert isclose(frame_ddbd.t_eff, frame_sfsi_dbd.t_eff,
                   rel_tol=0.001), frame_sfsi_dbd.t_eff
Exemple #6
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def initialise_soil_test_data():
    sl = em.Soil()
    load_soil_test_data(sl)
    return sl
Exemple #7
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def test_dbd_sfsi_frame_via_millen_et_al_2018():
    n_storeys = 5
    n_bays = 1
    fb = dm.FrameBuilding(n_storeys, n_bays)
    fb.n_seismic_frames = 2
    fb.n_gravity_frames = 0
    fb.material = dm.ReinforcedConcrete()
    fb.bay_lengths = [5.]
    fb.floor_width = 5.
    fb.floor_length = 5.
    fb.storey_masses = 700 * fb.floor_area * np.ones(n_storeys)
    fb.interstorey_heights = 3.4 * np.ones(n_storeys)

    fb.tie_depth = 0.8 * np.ones(fb.n_bays)  # m
    fb.tie_width = 0.8 * np.ones(fb.n_bays)  # m
    fb.foundation_rotation = 1e-3
    fb.discrete_rotation_ratio = 1.0
    fb.AxialLoadRatio = 26  # Should calculate this
    fb.Base_moment_contribution = 0.6
    fb.beam_group_size = 1
    fb.set_beam_prop('depth', 0.4, repeat='all')

    # Foundation
    fd = dm.PadFoundation()
    fd.height = 0  # m
    fd.length = 5
    fd.width = 5.
    fd.depth = 0.8
    fd.n_pads_l = 2
    fd.n_pads_w = 2

    fd.pad.width = 1.4  # m
    fd.pad.length = 1.4  # m
    fd.pad.depth = 0.5  # m
    fd.pad.height = 0
    fd.set_pad_pos_in_length_dir_as_equally_spaced()
    fd.set_pad_pos_in_width_dir_as_equally_spaced()

    fd.mass = 0
    fd2 = fd.deepcopy()

    # Soil properties

    hz = dm.Hazard()
    hz.z_factor = 0.3
    hz.r_factor = 1.0
    hz.n_factor = 1.0
    hz.corner_acc_factor = 2.
    hz.corner_period = 1

    sl = dm.Soil()
    sl.g_mod = 120e6  # Pa
    sl.poissons_ratio = 0.3  # Poisson's ratio of the soil
    sl.e_curr = 0.6  # %
    sl.phi = 35.
    sl.cohesion = 0
    sl.specific_gravity = 2.65

    design_drift = 0.02

    frame_ddbd = dbd.design_rc_frame_w_sfsi_via_millen_et_al_2018(
        fb, hz, sl, fd, design_drift=design_drift, verbose=2)
    assert np.isclose(frame_ddbd.delta_d, 0.08488596), frame_ddbd.delta_d
    assert np.isclose(frame_ddbd.theta_f, 0.0050136357), frame_ddbd.theta_f