To study the axial compressive behavior of FRP-concrete-steel double-skin tubular stubs(DSTSs),experiments of 3 circular steel tubes and 10 DSTS specimens were carried out.

• 为研究FRP-混凝土-钢双壁空心管短柱的轴压性能,完成了3个圆钢管短柱和10个双壁空心管短柱试件的轴心抗压试验。