Add generated beam cross-section figure to concrete-beam

Add reinforcement inputs (cover, stirrup size/spacing, longitudinal and
top bar size/count) and emit the derived bar geometry from calc.py.
beam_section.py renders a native Typst drawing of the section to
assets/beam-section.typ, which concrete-beam.typ imports as a figure.
Effective depth d remains authoritative for the tension-steel position.
This commit is contained in:
smillmorel 2026-09-21 14:25:16 -04:00
commit 25f66bb4da
8 changed files with 973 additions and 568 deletions

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@ -13,3 +13,11 @@ fy: "60 ksi"
As: "0.62 in**2"
concrete_density: "150 pcf"
load_combination: "1.2D + 1.6L"
cover: "1.5 in"
stirrup_size: 3
stirrup_spacing: "6 in"
bar_size: 5
n_bars: 2
top_bar_size: 4
n_top_bars: 2