Design Alternatives
Several beam alternatives were developed by varying section geometry and strand layout. Each option was checked for strength, serviceability, ductility, constructability at TPAC, and competition scoring potential.
- Alternative A: [Update]
- Alternative B: [Update]
- Alternative C: [Update]
Decision Matrices
A weighted decision matrix was used to compare alternatives based on ultimate capacity, cracking load, service deflection, constructability, and estimated construction cost.
Decision Matrix:
View Detailed Decision Matrix (PDF)
Final Design Details
The final beam is a prestressed concrete member designed for the PCI loading configuration. Update this section with your final numeric design values once the design is complete.
- Section type: [update]
- Concrete release strength, f′ci: [update] ksi
- 28-day compressive strength, f′c: [update] ksi
- Prestressing strands: [update number] × 0.6 in low-relaxation
- Mild reinforcement: [update bar sizes and layout]
Construction Cost Tracking
This table documents the cumulative labor hours expended across all project phases, supporting real-time resource management and variance tracking against the original engineering estimate. Each entry contains a [Update] placeholder to facilitate continuous reporting as hours are incurred.
| Task Name | SENG (hr) | STEG (hr) | INT (hr) | LBT (hr) | Total Hours |
|---|---|---|---|---|---|
| Task 1 – Research & Preparation | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 1.1 Technical Research | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 1.2 Material Testing Plan | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2 – Beam Analysis & Design | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.1 Analysis of Load and Material | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.1.1 Calculate Beam Initial Conditions | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.1.2 Select Concrete Mix for Design | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.2 Create Analysis Spreadsheet | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.3 Design Decision Matrix | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.4 Select Best Design | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.4.1 Determine Cross-Section Dimensions | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.4.2 Design Prestressing Layout | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.4.3 Refine Beam Dimensions | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.4.4 Evaluate Performance Against Criteria | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 2.4.5 Refinement of Final Beam Design | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 3 – Engineering Shop Drawings | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 3.1 Create Shop Drawings | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 3.2 Internal Review | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 3.3 External Review | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4 – Fabrication & Engineer’s Site Visit | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.1 Beam Fabrication & Observation | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.2 Cylinder Testing & Beam Predictions | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.2.1 One-Day Test | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.2.2 Seven-Day Test | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.2.3 Fourteen-Day Test | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.2.4 Twenty-One-Day Test | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.2.5 Day of Testing Test | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 4.3 Final Beam Predictions | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 5 – Delivery & Setup | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 5.1 Transportation | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 5.2 Testing Preparation | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 6 – Beam Testing | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 6.1 Load Testing on Beam | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 6.2 Analyze Test Results | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 7 – Finalize Report & Submit to PCI | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 8 – Project Impacts | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 9 – Deliverables | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 9.1 30% Project Progress Report | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 9.2 60% Project Progress Report | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 9.3 90% Project Progress Report | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 9.4 Final Presentation | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 9.5 Final Project Report | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 10 – Project Management | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 10.1 Meetings | [Update] | [Update] | [Update] | [Update] | [Update] |
| Task 10.2 Tracking Project Progress | [Update] | [Update] | [Update] | [Update] | [Update] |
| Total Construction Hours (Actual) | [Update] | [Update] | [Update] | [Update] | [Update] |