Before revision: Table 1.Description of types of countermeasure in HEC-23 Description Design Guidelines Bend way weirs/stream barbs 1 Soil cement 2 Wire enclosed riprap mattress 3 Articulated concrete block system 4 Grout filled mattresses 5 Concrete armor units 6 Grout/cement filled bags 7 Rock riprap at piers and abutments 8 Spurs 9 Guide banks 10 Check dams/drop structures 11 Revetments 12 Bend way weirs, spurs and guide banks can help to align the upstream flow while riprap, gabions, articulated concrete blocks and grout filled mattresses can mechanically stabilize the pier and abutment slopes.Lagasse, P. F., Zevenbergen, L. W., Schall, J. D., & Clopper, P. E. U.S Department of Transportation, Federal Highway Administration.
After revision: Table coo.Description of types of countermeasure in HEC-23 Description Design Guidelines Bend way weirs/stream barbs 1 Soil cement 2 Wire enclosed riprap mattress 3 Articulated concrete block system 4 Grout filled mattresses 5 Concrete armor units 6 Grout/cement filled bags 7 Rock riprap at piers and abutments 8 Spurs 9 Guide banks 10 Check dams/drop structures 11 Revetments 12 Bend way weirs, spurs and guide banks can help to align the upstream flow while riprap, gabions, articulated concrete blocks and grout filled mattresses can mechanically stabilize the pier and abutment slopes.Lagasse, P. F., Zevenbergen, L. W., Schall, J. D., & Clopper, P. E. U.S Department of Transportation, Federal Highway Administration.