System and method for conveying residual soil in T-shaped underground excavation tunnel shield construction

The invention discloses a system and method for conveying residual soil in T-shaped underground excavation tunnel shield construction to achieve the purpose of discharging residual soil generated by a shield under the T-shaped bored tunnel condition. The system comprises a vertical shield working shaft (1), an underground excavation transverse channel (2), a shield nose starting enlarging underground excavation left hole (5), a shield nose starting enlarging underground excavation right hole (6), a shield rear matching trolley starting standard underground excavation left hole (3) and a shield rear matching trolley starting standard underground excavation right hole (4), an overhead crane track beam (13) and an overhead crane track (14) are arranged on stand columns (12), the overhead crane track (14) is provided with a left overhead crane (15) and a right overhead crane (16), and a residual soil full box transfer table (18) and a residual soil hollow box transfer table (19) are arranged in the part, between