1. AASHTO. AASHTO Guide Specifications for LRFD Seismic Bridge Design with 2012, 2014, and 2015 Interim Revisions. Washington, DC: American Association of State Highway and Transportation Official; 2015.
2. Foundation connection for circular concrete filled tubes;Lehman;J Constr Steel Res,2012
3. Lehman DE, Roeder CW. Rapid construction of bridge columns with improved seismic performance. Report for the California Department of Transportation. Report Number CA12-1972; 2012.
4. Concrete filled steel tubes for bridge pier and foundation construction;Roeder;Int J Steel Struct,2017
5. Heid A. Shear resistance of circular concrete-filled steel tubes [MS thesis]. University of Washington; 2016.