FRP (fiber reinforce plastic) tube-concrete-steel tube combined tube tower and segmented construction method thereof

The invention relates to an FRP (fiber reinforce plastic) tube-concrete-steel tube combined tube tower comprising an inner steel tube, an FRP outer tube and a concrete layer, wherein the inner steel tube is formed by connecting a plurality of steel tube segments, the FRP outer tube is formed by connecting a plurality of FRP tube segments, and the concrete layer is poured between the inner steel tube and the FRP outer tube; the adjacent steel tube segments of the inner steel tube are connected by a steel tube adapting piece; the steel tube adapting piece is positioned on the outer surface of the inner steel tube; the adjacent FRP tube segments of the FRP outer tube are connected by an FRP adapting piece positioned on the inner surface of the FRP outer tube; and the steel tube adapting piece and the FRP adapting piece are both embedded in the concrete layer. The invention also provides a segmented construction method for the FRP tube-concrete-steel tube combined tube tower. When the combined tube tower or simil