TRB’s National Cooperative Highway Research Program (NCHRP) Research Report 892: Guidelines for Shielding Bridge Piers provides proposed load and resistance factor design (LRFD) bridge design pier protection specifications and proposed occupant protection guidelines. Bridge piers are generally close to the roadway to minimize bridge lengths. As a consequence, barriers are normally placed around piers to reduce the potential of vehicle crashes damaging the piers. However, the design and placement of the barriers may not have taken into consideration the possibility that vehicles, particularly large trucks, might still impact the pier. The report also includes four examples that illustrate the use of the proposed specifications and guidelines for shielding bridge piers.
Table of Contents
|Chapter 1 - Introduction||1-2|
|Chapter 2 - Literature Review||3-21|
|Chapter 3 - Discussion of Proposed LRFD Bridge Design Pier Protection Guidelines||22-53|
|Chapter 4 - Discussion of Proposed RDG Occupant Protection Guidelines||54-67|
|Chapter 5 - Verification and Validation||68-89|
|Chapter 6 - Implementation Strategy||90-91|
|Chapter 7 - Conclusion||92-92|
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