Outgoing line vertical shaft construction technology under rock mass crushing condition

The invention discloses an outgoing line vertical shaft construction technology under the rock mass crushing condition, and belongs to the technical field of water conservancy and hydropower construction engineering. Comprising the following steps that S1, preparation before construction is conducted, wherein on-site temporarily-built projects are arranged according to the actual on-site construction requirement condition of the outlet shaft, safety education training is conducted on related personnel, and foundation treatment is conducted on the bottom of an existing shaft; s2, geologic drilling rig guide hole construction; s3, backfilling and supporting the excavated part of the existing shaft; s4, pilot well construction of the raise boring machine; s5, guide shaft construction of the vertical shaft heading machine; s6, dismantling the vertical shaft heading machine and dismantling a wellhead system; and S7, full-section excavation, supporting and lining of the wellhead locking section are conducted, const