Dual-tower three-plane combined-type cable-assisted cable-stayed bridge

The utility model discloses a dual-tower three-plane combined-type cable-assisted cable-stayed bridge and belongs to the field of bridge engineering. The dual-tower three-plane combined-type cable-assisted cable-stayed bridge adopts a continuous three-span structural style consisting of stayed cables, cable towers, a main beam, supports, piers and bases, wherein the piers are positioned on the bases, the supports are positioned on the piers, and the main beam is positioned on the supports; the number of the bases on the whole length of the bridge is four; three cable towers are respectively arranged on the piers on the two bases in the middle side by side, the two cable towers on two sides of the deck are edge towers, the cable tower in the middle of the deck is a middle tower, and the stayed cables are stayed to the deck and anchored to the main beam in a fan-shaped manner through cable saddles on the cable towers. According to the utility model, the quantity of the cable planes is increased, so that the tra