Objective: Solve 12 beam-span calculations, then drag fraction-labeled beam segments out of the Supply Yard and fit them into the gap so the total length matches the required span exactly.
The Catch: Every Supply Yard has a couple of decoy segments mixed in that do NOT belong in the beam. Choose poorly and the beam sags (too short) or cracks (too long).
Structural Integrity: You start with 3 Integrity Points. Each failed load test costs 1 point. Lose all 3 and the whole bridge collapses.
Session Memory: This drafting table only holds progress in active memory. Reloading the page clears the blueprint completely.
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Beam Calculation 1
Beam1 / 12
Structural Integrity3 / 3
Score0 PTS
📐 Structural Load Calculation
Loading beam data...
🦺 Foreman: "Work out the exact span first. Then build it below — don't make me come over there."
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Current Total: 0
Required Span: —
🧰 Supply Yard — drag segments into the gap above
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BRIDGE COLLAPSE
Your structural integrity rating dropped to zero. The foreman is filing paperwork.
Final Span Score: 0 PTS
🧑🏗️ Engineer: Student
Progress isn't saved — save this screen now as proof of completion for your teacher.
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BRIDGE APPROVED
Certified Structural Engineer Distinction Awarded (the foreman is, dare we say, impressed)
Excellent work! You correctly calculated all 12 beam spans and drag-fit every segment perfectly — no sagging, no cracking, no sandwiches lost in the gap.
Final Certified Score: 1000 PTS
🧑🏗️ Engineer: Student
Progress isn't saved — save this screen now as official proof of completion for your instructor.