In-situ engineering prevention and treatment method for pollution of historical solid waste landfill

The invention discloses an in-situ engineering prevention and treatment method for pollution of a historical solid waste landfill. The method comprises the following steps: S1, preliminary investigation of the landfill; s2, establishing a three-dimensional terrain of a landfill and identifying dangerous points; s3, establishing a safety monitoring and early warning system of the landfill; s4, preliminary arrangement of the landfill site; s5, synchronously carrying out hydrogeological survey on an external area of the filling field, survey on solid waste in the filling field and determination of a pollution area of the filling field; s6, synchronously setting a monitoring well of the filling field, calculating the stability, determining a slope repairing scheme and setting a water treatment facility of the filling field; s7, rainwater treatment in the construction process of the filling field; s8, synchronously carrying out raw accumulated water treatment and internal precipitation treatment of the filling fie