Retaining Walls used in Bridges (With Diagram) - Your Article …
In bridges provided with closed type abutments, the sides are also to be protected by walls so as to prevent the spilling of the earth. These walls when placed at an angle with the road embankment in the form of “wings” are known as “wing walls” whereas they are termed as “return walls” when placed parallel to the embankment (Fig. 20.1).
Wing Wall Construction Guide | Design Considerations - Civil …
To retain the earth bank of approaches (return wing wall). Approaches are the length of the communication route affected by the layout and design of the bridge at both ends which carry the communication route to the level of the bridge floor.
Common Retaining Wall Types – The Bridge Guy
2021年4月2日 · Retaining walls may be the sidekick of a bridge, but they are important in their own right. Cut and cover tunnels, which are essentially underground bridges, use retaining walls. Shoring walls are essential for the construction of bridges.
DESIGN OF ABUTMENT AND RETURN WALLS - TRID
Separate return and wing walls are designed to replace cantilever return walls. The level of foundation is very important. Various designs of modern abutments and return walls are considered, including the visual aspect of the finished design. An expansion gap should be provided over the abutment to allow for movement due to earth pressure.
An abutment is a substructure unit located at the end of a bridge. Its function is to provide end support for the bridge superstructure and to retain the approach roadway embankment. Wingwalls are also located at the ends of a bridge. Their function is only to retain the approach roadway embankment and not to provide end support for the bridge.
DESIGN OF ABUTMENT, RETURN WALL, RETAINING WALL AND FOUNDATION
2019年2月21日 · The Paper deals with the design of well curbs and the adequacy of minimum provision of reinforcement as per stipulations in IRC Bridge Code No. 21-1972 has been examined.
The structural system consists of a solid rectangular abutment with monolithic dirtwall,square returnwall combined with solid abutment cap. For the design of the abutment and its different...
Component of a bridge|Bridge components-Types, functions
2021年1月23日 · Wing walls and return walls. Wing walls are located near to the abutments as an extension of abutments or as independent structures. They act as a retaining wall to resist the earth in the approach areas. Wing walls may be placed right-angled to the approach way or splayed as shown in the figure. Piers
2.1 Recommendations given in this Departmental Standard are applicable to backfilled retaining walls, bridge abutments and wing walls. Reinforced and anchored earth retaining walls are covered by Technical Memorandum BE 3/78 and the backfilling requirements for buried corrugated steel structures are given in the Departmental Standard BD 12/82.
DESIGN OF ABUTMENT AND RETURN WALLS - Semantic Scholar
2000年11月1日 · This paper concerns the design of bridge abutments with reference to particular bridge projects in India. The abutment has to retain earth behind it, support the bridge superstructure and merge with the surrounding environment. Types identified are gravity wall type with sloping faces, counterforts with screen wall, and box type.