FIELD: construction.
SUBSTANCE: in method to excavate foundation pit when doing emergency works at subsurface structures including reinforcement of gap slopes, expanding, reinforcing and hardening material is injected into gap in unstable zone until complete filling of gap, and reinforced area is shaped in unstable zone by curing until full hardening of specified material, then soil is cut in layers, and a layer of expanded, reinforcing and hardened material is cut down to subsurface structure.
EFFECT: simplified technology of foundation pit slopes reinforcement and reduced time for its performance.
2 cl, 1 ex, 5 dwg
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