| 摘要 |
construction engineering, laying and repairing of underground service lines. SUBSTANCE: method involves trench penetration, building of service duct in its bottom part, consolidation of its side walls through entire depth of trench, filling of trench, and finishing of surface. Novelty is that top parts of consolidated trench side walls are brought to surface level and building blocks used for trench filling are placed between consolidated walls of trench for their further removal during repairs; surface finishing is made in upper box-shaped block. EFFECT: reduced time and cost of repair work due to easy access to service lines. 1 cl, 1 dwg |
