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Bridges--Live loads (4) |
Polytechnic University of Puerto Rico--Graduate students--Research (4) |
Bridges--Puerto Rico (2) |
Bridges--Evaluation (1) |
Bridges--Live loads--Safety regulations (1) |
Bridges--Puerto Rico--Testing (1) |
Historic bridges--Puerto Rico (1) |
Load factor design (1) |
Trucks--Weight--Government policy--Puerto Rico (1) |