4Nutt, Redfield, Valentine, et al. Development of design specifications and commentary for horizontally curved concrete box-girder bridges [M]. Washington D C: Transportation Research Board, 2008.
5Salse E A B. Analysis and design of prestressed concrete circular bow girders for bridge structures E C3 // Second International Symposium on Concrete Bridge Design ACI. Defroit, American Concrete Institute, 1969: 714-740.
