Roadbed widening construction method for existing buried pipeline

• Main Authors: MA CHANGZHENG, CHAO GUOXIN, SHI HUIMING, LI FEI, SHI FUMING, CHEN TIANYU, LIU BOHAN, MENG JIE, LI HEPING, XU MAOWEI
• Format: Patent
• Language: Chinese; English
• Published: 23.12.2022
• Subjects: BLASTING; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention relates to the technical field of road widening, and particularly discloses a roadbed widening construction method for an existing buried pipeline, which comprises the following steps: S1, removing the edge of an old roadbed, namely removing cracks of the old roadbed, drainage side ditches on the edge of the old roadbed and a broken falling platform mechanically or manually; s2, pipeline excavation is conducted, specifically, a part of a pipeline is excavated, and a part of the pipeline is exposed outside; s3, pipeline protection is conducted, specifically, a protection device used for improving the settlement resistance of the pipeline is transported to the position near the pipeline, and then the protection device is installed on the pipeline through an installation device; s4, a new roadbed is tamped, filling materials such as soil and stones are poured at the position of the new roadbed, and then the new roadbed is compacted through a road pressing device; and S5, the pavement is poured, and