Pedestrian Load is classified as which type of live load?

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Prepare for the Safety Inspection of In-Service Bridges Test. Study with customized flashcards and multiple choice questions, each with detailed explanations. Master the key concepts and excel in your exam!

Multiple Choice

Pedestrian Load is classified as which type of live load?

Explanation:
Live loads on bridges are categorized to reflect how different loading patterns affect the structure. The main live load comes from vehicles—the primary traffic that the bridge is designed to carry. Pedestrian loads come from people walking or standing, which are typically smaller in magnitude and distributed differently across the deck. Because of these different characteristics, codes treat pedestrians as a secondary live load, separate from the primary vehicle load. This distinction helps engineers apply appropriate distribution and loading factors for different scenarios. So, pedestrian load is classified as a secondary live load.

Live loads on bridges are categorized to reflect how different loading patterns affect the structure. The main live load comes from vehicles—the primary traffic that the bridge is designed to carry. Pedestrian loads come from people walking or standing, which are typically smaller in magnitude and distributed differently across the deck. Because of these different characteristics, codes treat pedestrians as a secondary live load, separate from the primary vehicle load. This distinction helps engineers apply appropriate distribution and loading factors for different scenarios. So, pedestrian load is classified as a secondary live load.

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