Device comprising a valve for injecting grout around or inside a

Details Device comprising a valve for injecting grout around or inside a Device comprising a valve for injecting grout around or inside a

1989-02-21

1990-08-14

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Columnar structure

405232, 405236, 405248, F02D 554

Patent

active

049483013

ABSTRACT:
A device for injecting grout around a tubular pile driven into the ground. The tubular pile has a given diameter and is formed by a tubular wall of a given wall thickness defining the inside and outside of the tubular pile. A grout feed channel capable of being driven into the ground with the tubular pile is disposed inside the tubular wall having a diameter which is small relative to the diameter of the tubular pile. A check valve is connected to the grout feed channel at a position along the tubular wall and extends through the thickness of the tubular wall so as to communicate from the grout feed channel through the outside of the tubular wall. An injection device is inserted in the grout feed channel having one plug which is fitted in the grout feed channel and located above the check valve so as to inject grout under pressure through the injection device and the check valve to the outside of the tubular wall.

REFERENCES:
patent: 2344120 (1944-03-01), Baker
patent: 2906345 (1959-09-01), Tausch et al.
patent: 3358770 (1967-12-01), Zandmer
patent: 4412759 (1983-11-01), Britton et al.
patent: 4589484 (1986-05-01), Doherty et al.

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