Fabricated roadbed drainage side ditch

The utility model relates to the field of roadbed drainage, in particular to an assembly type roadbed drainage side ditch. Comprising longitudinal heat preservation and drainage blind ditches which are buried in replacement 5% slaked lime below a roadbed and are symmetrically arranged along the longitudinal center of the two roadbed bodies of the roadbed; one end of the transverse heat preservation and water guide blind ditch is communicated with the longitudinal water drainage heat preservation and water drainage blind ditch; and the other end of the transverse heat preservation water guide blind ditch is communicated with the buried heat preservation water outlet. Running water is smoothly discharged out of the roadbed, so that the adverse effect on the roadbed is reduced, and the driving safety is ensured. 本申请涉及路基排水领域，具体涉及一种装配式路基排水边沟。包括：纵向保温排水盲沟，所述纵向保温排水盲沟埋置于路基之下的换填5％消石灰之内，并沿路基纵向两幅路基中心对称布置；横向保温导水盲沟，所述横向保温导水盲沟一端连通与纵向排水保温排水盲沟；掩埋保温出水口，所述横向保温导水盲沟另一端连通与掩埋保温出水口。本申请将流水顺畅排出路基，以减少对路基的不良影响，确保行车安全。