Foundation treatment structure for karst areas

The utility model discloses a foundation treatment structure for karst areas. The foundation treatment structure comprises underground karst cracks of karst areas, a wedge groove on the earth surface, a cyclopean concrete plug is filed in the wedge groove, a compact gravel layer and a compact boulder layer are sequentially filled between the karst cracks and the wedge groove on the earth surface from top to bottom. The foundation treatment structure has the advantages that the simplified concrete structure is fully utilized to replace traditional foundation treatment measures, simple working procedures and construction are achieved, materials are saved, construction period is reduced, no special construction machinery is needed, the foundation bearing capacity requirements of upper buildings are satisfied, the investment and uncontrollable risk cost increased due to the fact that the traditional treatment methods are influenced by geological and underground construction uncertainty, and evident economic benef