Non-excavation reinforcing structure for collapsible loess roadbed of urban road

The utility model discloses a non-excavation reinforcing structure for a collapsible loess roadbed of an urban road, belongs to the field of urban road engineering, and solves the problems of pavement settlement, cracking, collapse and other diseases caused by instable subsidence of the collapsible loess roadbed of the constructed urban road due to water immersion of the roadbed. Anti-seepage curtains are arranged on the two sides of a roadbed disease area, jet grouting pile reinforcing bodies and powder spraying pile reinforcing bodies are arranged between the anti-seepage curtains on the two sides, the jet grouting pile reinforcing bodies and the powder spraying pile reinforcing bodies are arranged at intervals in a staggered mode, and the jet grouting pile reinforcing bodies are located below a roadway wheel path line. According to the characteristics of collapsible loess subgrade road diseases and urban road traffic characteristics, the problem of collapsible loess subgrade diseases of built urban roads i