EARTHWORK STRUCTURE ON WEAK BASE Russian patent published in 2010 - IPC E02D17/18 

FIELD: construction.

SUBSTANCE: earthwork structure on weak base comprises earthfills, shells intended for drainage of earthfill base and arranged on high side and lower side of earthfill, every of which is erected from draining soil, besides each shell in zone of weak soils in longitudinal direction is arranged as convex with transverse alternating section of trapezoidal shape. Shells are arranged with various weights, besides shell with smaller weight is arranged on high side of earthfill and with larger weight - on lower side of earthfill. In each shell a transverse trapezoidal section with maximum area is arranged in area of maximum setting, and trapezoidal section with minimum area - in zone of stable soils, and larger base of cross section is arranged on solids of near-foot zone of earthfill.

EFFECT: increased service life and bearing capacity of earthfill, provision of continuous moisture drain from zone with weak soils in longitudinal and transverse direction.

4 dwg