SMW construction method pile and grouting steel pipe combined supporting and protecting structure

The utility model relates to the technical field of foundation pit supporting, and discloses an SMW construction method pile and grouting steel pipe combined supporting structure which comprises an SMW construction method pile and a steel pipe located in a foundation pit. Wherein the SMW construction method pile is attached to the side wall of a foundation pit, one end of the steel pipe is connected with the SMW construction method pile, and the other end of the steel pipe obliquely extends in the direction away from the SMW construction method pile and is embedded into soil of the foundationpit; a plurality of slurry outlet holes are formed in the other end of the steel pipe, and are used for communicating the interior of the steel pipe with the outside; a soil layer on the side wall ofa foundation pit is supported through an SMW construction method pile, the SMW construction method pile is supported through a steel pipe, the steel pipe is obliquely arranged, one end of the steel pipe supports the SMW constr