Method and device for making a foundation member
First Claim
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1. Method for making a foundation member in the ground,comprising the steps of:
- introducing into a soil area a soil working implement having a drilling string with a soil auger thereon for loosening the soil material in the soil area,using a mixing device having mixing paddles located on the drilling string, mixing the loosened soil material in the soil area with a liquid to form a settable suspension,removing from a first section of the soil area into which the soil working implement is introduced, at least a part of the suspension comprising the mixture of the loosened soil material with the liquid, and for generating a suction effect in the first section of the soil area,returning at least part of the removed suspension including a part of the loosened soil material to a second section of the soil area, andfollowing the removing and returning steps, hardening the suspension in the soil area to form the foundation member whereinthe removing and returning steps bring about a suspension circulation in the soil area leading to a particularly good intermixing of the suspension.
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Abstract
A foundation member in the ground includes a soil working implement for loosening soil material in a soil area, a supply device for supplying a liquid to the loosened soil material and a mixing device for mixing the loosened soil material in the soil area with the liquid to form a settable suspension as well as a removal device for removing suspension from a first section of the soil area and a return device for returning at least part of the removed suspension to a second section of the soil area. A method for making a foundation member in the ground is also provided.
26 Citations
13 Claims
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1. Method for making a foundation member in the ground,
comprising the steps of: -
introducing into a soil area a soil working implement having a drilling string with a soil auger thereon for loosening the soil material in the soil area, using a mixing device having mixing paddles located on the drilling string, mixing the loosened soil material in the soil area with a liquid to form a settable suspension, removing from a first section of the soil area into which the soil working implement is introduced, at least a part of the suspension comprising the mixture of the loosened soil material with the liquid, and for generating a suction effect in the first section of the soil area, returning at least part of the removed suspension including a part of the loosened soil material to a second section of the soil area, and following the removing and returning steps, hardening the suspension in the soil area to form the foundation member wherein the removing and returning steps bring about a suspension circulation in the soil area leading to a particularly good intermixing of the suspension. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. Method for making a foundation member in the ground, comprising the steps of:
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(a) providing a device for making a foundation member in the ground, comprising; a soil working implement including a drilling string having a soil auger thereon for loosening soil material in a soil area, a supply device for supplying a liquid to the loosened soil material and a mixing device including paddles located on the drilling string for mixing the loosened soil material in soil area with the liquid to form a settable suspension, a removal device for removing at least a part of the suspension including at least a part of the loosened soil material from a first section of the soil area into which the soil working implement is introduced, and for generating a suction effect in the first section of the soil area, and a return device for returning at least part of the removed suspension to a second section of the soil area, (b) introducing the soil working implement into a soil area to loosen the soil material therein, (c) supplying liquid to the loosened soil material in the soil area using the supply device, (d) mixing the loosened soil material in the soil area with the liquid, using the mixing device, to form a settable suspension, (e) hardening the suspension in the soil area to form the foundation member, wherein, (f) prior to hardening, at least a part of the suspension including at least a part of the loosened soil material is removed from a first section of the soil area into which the soil working implement is introduced, using the removal device, and (g) at least part of the removed suspension including at least a part of the suspension comprising the mixture of the loosened soil material with the liquid is returned to a second section of the soil area, using the return device; and wherein the removing step (f) and the returning step (g) bring about a suspension circulation in the soil area leading to a particularly good intermixing of the suspension. - View Dependent Claims (10, 11, 12, 13)
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Specification