Agitation pile water stopping curtain for reclamation deep and thick block stone area and construction method thereof

A technology of water-stop curtain and construction method, which is applied in the direction of sheet pile walls, foundation structure engineering, construction, etc., can solve problems such as inability to construct soil layers, achieve the effects of facilitating construction, preventing soil collapse, and improving overall strength

Active Publication Date: 2019-11-08
WUHAN SURVEYING GEOTECHN RES INST OF MCC
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Problems solved by technology

[0004] In order to solve the above problems, the present invention provides a construction method for the water-stop curtain of the mixing pile used in the deep and thick block rock area of ​​the sea reclamation. This method can effectively solve the problem that the water-stop curtain of the mixing pile cannot Construction Problems in Soil Layers Containing Block Rocks

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  • Agitation pile water stopping curtain for reclamation deep and thick block stone area and construction method thereof
  • Agitation pile water stopping curtain for reclamation deep and thick block stone area and construction method thereof
  • Agitation pile water stopping curtain for reclamation deep and thick block stone area and construction method thereof

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. attached Figure 1 to Figure 6 All are drawings of embodiments, drawn in a simplified manner, and are only used for the purpose of clearly and concisely illustrating the embodiments of the present invention. The following technical solutions shown in the drawings are specific solutions of the embodiments of the present invention, and are not intended to limit the scope of the claimed invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0039] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right" etc. are based on those shown in the accompanying...

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Abstract

The inventio provides an agitation pile water stopping curtain for a reclamation deep and thick block stone area and a construction method thereof. The construction method of the agitation pile waterstopping curtain for the reclamation deep and thick block stone area includes following steps: (1) performing agitation pile reinforcement on a soil layer above a block stone layer in a block stone containing area in the axial direction of a foundation pit support; (2) using a rotary drilling rig for performing drilling hole leading construction on the block stone layer after completing the reinforcement; (3) performing clay backfilling on the hole leading construction area of the rotary drilling rig; and (4) performing construction of the agitation pile water stopping curtain on the block stone area after being completely treated. The agitation pile water stopping curtain for the reclamation deep and thick block stone area and the construction method thereof can complete the groove segment division drilling hole leading construction by reinforcing the soil layer above the block stone area, can backfill drill holes with clayey soil or sandy soil, and then perform the routine construction of the agitation pile water stopping curtain, and solve the problem that the agitation pile water stopping curtain cannot be constructed on the soil layer containing block stone.

Description

technical field [0001] The invention relates to the field of geotechnical engineering, in particular to a water-stop curtain of a mixing pile used for reclamation of deep and thick rock areas and a construction method thereof. Background technique [0002] In the area with high groundwater level, stratum structure and complex hydrogeological conditions (deep and thick rock layer, deep and thick riprap area near the sea, pebble layer), during the construction of foundation pit support, in order to prevent groundwater from seeping into the foundation pit, the foundation pit support On the outside of the piles, one or more rows of mixing piles shall be constructed with water-stop curtains, and the mixing piles shall interlock with each other to form a closed water-stop system around the foundation pit supporting piles. However, when the stratum contains rocks, ripraps, pebbles and construction waste, if no corresponding measures are taken to remove the blocks, ripraps, pebbles ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D19/18E02D5/46
CPCE02D5/46E02D19/18
Inventor 杨宽丁洪元孙海王彬州曹孟
Owner WUHAN SURVEYING GEOTECHN RES INST OF MCC
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