Synthesis of highway practice · 1997 · 59 citations · 0 references
EngineeringCivil EngineeringBridge EngineeringGeotechnical EngineeringStructural EngineeringBridge ConstructionBridge DesignBridge MaintenanceGeotechnical DesignSettlement AnalysisSettlement ControlBridge PlanningEmbankment DesignMaintenanceRoadway ApplicationsRoadway DesignRoadway GeotechnicsSettlement Analysis Of EmbankmentsSettlement Mitigation Measures
This paper updates the 1990 Synthesis of Highway Practice 159 on bridge approach design, focusing on settlement at the bridge/abutment/embankment interface. The synthesis outlines current best practices for designing, constructing, and maintaining bridge approaches to mitigate or eliminate settlement and the bump at the bridge end. The authors review literature and survey state DOTs, discussing geotechnical and structural design factors, procedural strategies, illustrative examples, and inter‑division coordination to reduce the bump. The report catalogs techniques used to locate and address settlement causes, and presents methods proven to reduce the bump at bridge ends. This synthesis is intended for state DOT geotechnical, structural, roadway design, construction, and maintenance engineers, research staff, and local transportation agency personnel.
This synthesis will be of interest to state Departments of Transportation (DOTs) geotechnical, structural, roadway design, construction, and maintenance engineers; DOT research staff; and personnel in local transportation agencies. This synthesis describes current state of practice for design, construction, and maintenance of bridge approaches to reduce, eliminate, or compensate for settlement at bridge/abutment/embankment interface or the bump at end of bridge. It discusses geotechnical and structural engineering design and procedural factors to reduce bump at end of bridge, and includes numerous illustrations. This report of Transportation Research Board presents data obtained from a review of literature and a survey of state DOTs. It is a supplemental update to Synthesis of Highway Practice 159: Design and Construction of Bridge Approaches (1990). The synthesis identifies and describes techniques that have been used to alleviate problem of bump at end of bridge including location and cause of settlement and methods used to reduce settlement. In addition, types of interaction between various divisions of DOTs in design, construction, and maintenance of bridge approaches are addressed.