<p>A Z-shaped steel pipe bundle composite structure constituted by a Z-shaped steel pipe bundle assembly. The Z-shaped steel pipe bundle assembly is constituted by multiple steel pipe units (17) sequentially connected. The steel pipe units (17) are provided with cavities. A concrete (2) is casted into the cavities. Pegs (3) are provided on the sidewalls of the cavities. Through holes are provided on partitions between adjacent steel pipe units. The Z-shaped steel pipe bundle composite structure has a high degree of industrialization and powerful bearing capacity.</p>
