simdesign.rcmrf.bdim.eu_cdl.column

This module provides the column class implementation for the eu_cdl design class in the BDIM layer.

simdesign.rcmrf.bdim.eu_cdl.column.get_rhol(niu, mu_x, mu_y, fcd, fsyd)[source]

Get required reinforcement ratio for given dimensionless forces.

Parameters:

niu (float) – Normalized axial load or axial load ratio.
mu_x (float) – Normalized moment around x-axis.
mu_y (float) – Normalized moment around y-axis.
fcd (float) – Design concrete compressive strength.
fsyd (float) – Design yield steel strength.

Returns:

Required reinforcement ratio around x and y axes.

Return type:

Tuple[float, float]

References

Guerrin, A. (1966). Traité de Béton Armé. Dunod, Paris, France.

class simdesign.rcmrf.bdim.eu_cdl.column.Column(line, section, gamma_rc)[source]

Bases: ColumnBase

Column implementation for design class eu_cdl.

This class extends ColumnBase by narrowing the attribute types and overriding design methods per REBA (1967).

Parameters:

line (Line)
section (Literal[1, 2])
gamma_rc (float)

steel

Steel material assigned to the column.

Type:: Steel

concrete

Concrete material assigned to the column.

Type:: Concrete

See also

ColumnBase: Base class defining the core behaviour and configuration.

References

REBA (1967). Regulamento de Estruturas de Betão Armado. Decreto N.° 47:723, Lisbon, Portugal.

Guerrin, A. (1966). Traité de Béton Armé. Dunod, Paris, France.

property fcd_eq: float

Returns:: Seismic design concrete compressive strength (in base units).
Return type:: float

property fsyd_eq: float

Returns:: Seismic design steel yield strength (in base units).
Return type:: float

property rhol_max: float

Returns:: Maximum longitudinal reinforcement ratio.
Return type:: float

property rhol_min: float

Returns:: Minimum longitudinal reinforcement ratio.
Return type:: float

predesign_section_dimensions()[source]

Make an initial guess for column section dimensions.

Notes

It is overwritten for eu_cdl design class with following changes: - In case of the rectangular sections, the longer dimension does no longer need to be twice of shorter one.

Return type:: None

apply_section_compatibility()[source]

Modify the section dimensions for square section compatibility.

This method is used in design iterations while increasing section dimensions.

Notes

It is overwritten for eu_cdl design class with following changes: - In case of the rectangular sections, the longer dimension does no longer need to be twice of shorter one.

Return type:: None

verify_section_adequacy()[source]

Verify the adequacy of section dimensions for design forces.

Return type:: None

compute_required_longitudinal_reinforcement()[source]

Compute the required longitudinal reinforcement for design forces.

Return type:: None

compute_required_transverse_reinforcement()[source]

Compute the required transverse reinforcement for design forces.

Return type:: None