原文传递
“Superstructure/Substructure Joint Details’"
| 题名： | “Superstructure/Substructure Joint Details’" |
| 作者： | Maher K. Tadros and Sameh S. Badie |
| 关键词： | Superstructure, substructure, pier, integral, beving, elastomeric |
| 摘要： | Nebraska Department of Roads (NDOR) has a long experience with jointless bridges. Integral abutments and piers are used with bridges up to 600-ft long. However, for bridges built with the NU I-girders, which have a very wide bottom flange, and have large skews, current NDOR details require a wide pier cap and abutment back-wall. The main objective of this research is to simplify the superstructure/substructure joint details for NU-I girder continuous bridges. This report gives recommendations for: (1) types of bearing devices that can be used with integral piers, (2) selection guide for bearing devices, (3) new details developed for fixed and expansion bearing joints, (4) new details for the pier cap to enhance its aesthetics, and (5) new details developed for replacing the concrete diaphragm with steel diaphragm. In addition, this report gives recommendations for making the girders continuous before casting the deck slab. |
| 报告类型： | 科技报告 |
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