Muttoni A, Schwartz J, Thürlimann B. Design of concrete structures with stress fields basel [M]. Berlin:Birkhaüser, 1996.17-18.
[4]
Anderhegen E, Despot Z, Steffen P. Reinforced concrete dimensioning based on element nodal forces [J]. Journal of Structural Engineering, 1994(6):1718-1731.doi:10.1061/(ASCE)0733-9445(1994)120:6(1718).
[5]
Hsu-Thomas T C. Unified theory of veinforced concrete [M]. Florida:CRC Press, 1993.1-190.
