Method of preventing damages to loose sand ground or sandy groun

Details Method of preventing damages to loose sand ground or sandy groun Method of preventing damages to loose sand ground or sandy groun

1996-11-13

1999-02-09

Melius, Terry Lee

Hydraulic and earth engineering

Earth treatment or control

Chemical

405258, E02D 312

Patent

active

058685251

ABSTRACT:
To protect ground composed of loose sand or sandy soil, and structures constructed thereon against seismic liquefaction disasters, said ground is improved and reinforced by a four-stage method. At the first stage, a specially formulated mortar impregnating material is injected by a specific impregnating machine through a given array of injection points into the ground to achieve a first effect by the first impregnation by consolidation. At the second stage, an injection pipe having a distal penetrating end unit is forced or driven into the ground to obtain pile-like compression effect. At the third stage, a specially formulated cement impregnating material is injected into the ground to obtain a third or consolidation effect. At the fourth stage, the impregnation of the cement material under pressure causes soil particles to be solidified by the penetration thereof.

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GKN Keller GMBH, "Stopfverdichtung" Special Brochure Extract From Specialtiefbau, Offenbach, DE, XP002025635 (May 22, 1993).

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