Karst area rotary excavating cast-in-place pile construction method based on BIM three-dimensional geologic model

The invention belongs to the technical field of cast-in-place concrete pile construction, and discloses a karst area rotary excavating cast-in-place pile construction method and system based on a BIM three-dimensional geologic model. The karst area rotary excavating cast-in-place pile construction system based on the BIM three-dimensional geological model comprises a construction preparation module, an advanced drilling module, a central control module, a three-dimensional geological model building module, a cast-in-place pile three-dimensional model building module, a model import module, a rotary excavating cast-in-place pile construction module, a pile foundation detection module, a data storage module and an update display module. Distribution of soil layers and rock stratums is simulated through the three-dimensional geologic model technology, and the construction difficulty of the rotary excavating cast-in-place piles in the karst area is lowered; the full-casing cast-in-place pile is adopted, operation