steelpy 1.1.0

A simple library for section properties of AISC steel shapes

SteelPy

steelpy is a library that acts a database for AISC steel shapes for easy use in structural calculations and applications. The library includes W, M, S, HP, WT, MT, ST, Pipe, HSS, L, and Double L profiles.

Contents

• Installation

• Usage

• Filter Method

Installation

Install using pip:

pip install steelpy

Usage

To use the steelpy library, first import the module

from steelpy import aisc

The library includes W, M, S, HP, WT, MT, ST, Pipe, HSS, L, and Double L profiles. To access a library of shapes, simply use dot notation for the group of profiles:

aisc.C_shapes
aisc.DBL_L_shapes
aisc.HP_shapes
aisc.HSS_R_shapes
aisc.HSS_shapes
aisc.L_shapes
aisc.M_shapes
aisc.MC_shapes
aisc.MT_shapes
aisc.PIPE_shapes
aisc.S_shapes
aisc.ST_shapes
aisc.W_shapes
aisc.WT_shapes

From there, specific sections and properties are queried in a similar manner:

beam = aisc.W_shapes.W12X26
Fy = 50
Aw = beam.d * beam.tw
Cv = 1.0
Vn = 0.6*Fy*Aw*Cv

Sections with fractions, hyphens or decimal points in their names are queried by replacing each with underscore:

aisc.C_shapes.C12X20_7
aisc.L_shapes.L4X4X1_4
aisc.W_shapes.W6X8_5

Values are consistent with the AISC Steel Construction Manual, 16th Ed. and use the imperial system (inches, lbs). .csv files for each library of shapes is saved in steelpy > shape files and can be referenced for the available shape profiles and associated properties.

Filter Method

The filter method allows you to filter the sections of a collection based on specified criteria, maximum values, minimum values, or a combination thereof. Additionally, you can sort the filtered result by a specified property.

Parameters

• criteria: A dictionary where keys are the properties to filter by, and values are dictionaries with 'min' and/or 'max' keys specifying the minimum and maximum values for each property.
• sort_by: (Optional) The attribute by which to sort the filtered result. Defaults to sort by weight.

Return Value

A dictionary containing all Section objects that meet the provided filtering criteria, sorted by the specified attribute if sort_by is provided.

Usage Example

# Example usage 1: Filter sections based on a single property with a minimum value and sort the results by another property
filtered_result = aisc.W_shapes.filter({'Zx': {'min': 150}}, sort_by='Iy')

# Example usage 2: Filter sections based on multiple properties with different maximum and minimum values
filtered_result = aisc.W_shapes.filter({'d': {'min': 8, 'max': 12.3}, 'Ix': {'max': 100}})

# Access the filtered sections in example 2
for section_name, section_object in filtered_result.items():
    print(f"Section: {section_name}, d: {section_object.d}, Ix: {section_object.Ix}")

# Expected output:
# Section: W12X16, d: 12.0, Ix: 103.0
# Section: W12X19, d: 12.2, Ix: 130.0
# Section: W12X22, d: 12.3, Ix: 156.0
# ...