01 / SECTIONRetained rise
Retained rise
Ø120×6
3.35 mm maximum movement8.08 t member mass+42.69 / −52.04 kN axial extrema
STRUCTURAL COMPUTATION / WORKForm, span,
Form, span,
structure.
Bridge alternatives, a later force model, tower families, shell geometry and a Denver airport roof study explore different structural questions. The bridge model was built and tested as a group; the other records are separate computational and physical studies.
Bridge group-built modelFrame signed force studyTower · shell · roof separate records
01 / THE CROSSINGFive structural answers
Five structural answers
to one span.
The same viewing direction makes their differences legible: crown height, chord shape and diagonal pattern. The files preserve alternatives, not a verified performance ranking.
SPAN30 m
SUPPORTBoth banks; no riverbed support
USEPedestrian and emergency crossing
01High crown
asymmetric
asymmetric
02Centered
crown
crown
03Sloping
crown
crown
04Parallel
chords
chords
05Bowed
lower chord
lower chord
Linework is colour isolated from the five retained viewport JPGs and aligned for display. The screenshot grid, arrows and backgrounds are omitted here; each source is one click away.
The photographs establish that a model was made and loaded. They do not record the suspended mass or a measured failure threshold. The five retained bridge alternatives and later declared frame calculations remain separate from this physical test.
02 / THE SAVED ANALYSIS RECORDFollow the actual
Follow the actual
model chain.
The screenshot shows assembly, analysis and result display in one connected Grasshopper/Karamba view. Its left inputs and the numerical case behind the displayed legend are outside the crop.
The source image below is the entire retained screenshot crop, not the entire native definition. The five separate s1–s5 result crops have no visible wires or case identifiers, so their values stay unassigned.
FIVE SAVED RESULT CROPSFive legends.
Five legends.
No matched cases.
Each crop records stress legend limits. The source does not identify its bridge form, load case or section. The unlabeled panel numbers cannot be interpreted as performance.
Inspect the five original crops and unlabeled panel readouts
FILELEGEND RANGE · kN/cm²PANEL READOUTS · UNLABELED
The second s5 panel value is anomalously large and needs source verification.
03 / A LATER DECLARED FRAME STUDYWhere are members
Where are members
in tension?
A separate 104-member truss was calculated with explicit span, sections, supports and loads. This is a new first-order calculation on related retained geometry, not the group bridge test or a recovered Karamba result.
30 m assumed span18 × 10 kN downward nodal loads4 pinned end nodesS235 steel · no self-weight
Positive / tension Negative / compression Line width = force magnitude, 0–60.8 kNArrows mark nine 10 kN downward node loads on this plane; nine are mirrored on the opposite plane. Transverse members are omitted from elevation; all 22 are near zero in this symmetric load case.
Compare all five complete force elevations source-derived case drawings ↗
02 / SECTIONRetained rise
Retained rise
Ø160×6
2.48 mm maximum movement10.92 t member mass+42.35 / −52.04 kN axial extrema
03 / SECTIONRetained rise
Retained rise
Ø200×8
1.49 mm maximum movement18.14 t member mass+41.94 / −52.03 kN axial extrema
04 / FORMLower rise
Lower rise
Ø160×6
3.11 mm maximum movement9.97 t member mass+47.86 / −60.78 kN axial extrema
05 / FORMHigher rise
Higher rise
Ø160×6
2.15 mm maximum movement11.88 t member mass+37.97 / −46.25 kN axial extrema
Each case uses the same declared loads. Coloured members show signed axial force; the worked movement curve reports eleven deck-node translations. The curve is numerical output, not a distorted drawing of the frame. All case values and source checksums ↗
Case 02 · retained rise · Ø160×6. Select a member to read its signed force and source Rhino curve.
Selected member
Choose a member to see its signed axial force and Rhino curve ID.
The full 104-member solve was run outside native Karamba after a 17-member parity benchmark; the available Karamba trial limited the native run to 20 members. Force values are axial force in kN. The rendered line thickness is for legibility, not a member-size drawing.
04 / LATTICE TOWERFive envelopes,
Five envelopes,
one family.
Five saved mesh states share a common height. Their measured maximum envelopes narrow from 31.5 to 21.0 cm across the set. The drawing describes geometry, not displacement.
156.5 cm height
156.5 cm height
156.2 cm height
156.2 cm height
156.2 cm height
The saved definition contains a path into Karamba. Its run state and numerical output are not matched to these five meshes.
Inspect the complete retained v4 canvas 195 positioned objects / 187 wires
The SVG preserves the saved canvas positions as one image. Scroll within it to inspect the full graph; 32 group objects had no recorded bounds. Open at original size ↗
05 / SURFACE AND SHELLOne shell,
One shell,
three indexed parts.
Two 441-vertex skins and a 160-vertex edge band meet in space but have separate indices in the saved mesh. Matching their coordinates makes a closed inspection copy while preserving the source.
Inspect the native model and source views mesh · wireframe · graph · orientation ↗
Open the full topology audit ↗ · The saved analysis wiring does not establish a source-matched stress result.
06 / PHYSICAL ROOF STUDYDenver International Airport,
Denver International Airport,
as a model.
This study reconstructs the airport terminal roof as a physical model. The retained Rhino files include the roof form and print preparations; the photographs show the frame before and after its dark membrane was fitted.
The model is a study of Denver International Airport, not an original airport design. Native source files and their hashes are preserved with the site source.
