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Squeezing and expanding supporting disc device of geotechnical barrier and construction method

A technology of geotechnical barriers and extruded and expanded support plates, which is applied in the direction of foundation structure engineering, construction, sheet pile walls, etc., and can solve problems such as poor improvement effect, difficult on-site construction, and low economic efficiency

Pending Publication Date: 2020-10-30
ZHEJIANG UNIV CITY COLLEGE
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Problems solved by technology

[0004] The purpose of the embodiment of the present invention is to provide a device and construction method for extruding and expanding the support plate of the geotechnical grid, so as to solve the problems of poor improvement effect, difficult on-site construction and low economic efficiency in the prior art

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  • Squeezing and expanding supporting disc device of geotechnical barrier and construction method
  • Squeezing and expanding supporting disc device of geotechnical barrier and construction method
  • Squeezing and expanding supporting disc device of geotechnical barrier and construction method

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Embodiment Construction

[0037] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0038] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0039] It should be noted that the terms "first" and "second" in the specification, claims and drawings of the present application are used to distinguish similar objects, ...

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Abstract

The invention discloses a squeezing and expanding supporting disc device of a geotechnical barrier and a construction method. The squeezing and expanding supporting disc device is used for squeezing and expanding the geotechnical barrier and comprises a squeezing and expanding supporting disc machine, a fixed disc, a first telescopic disc and a second telescopic disc, wherein the first telescopicdisc and the second telescopic disc are sequentially fixed on the squeezing and expanding supporting disc machine from top to bottom in a sleeving mode; the fixed disc is fixed at the bottom end of the squeezing and expanding supporting disc machine; and the first telescopic disc and the second telescopic disc are each provided with a telescopic forearm which can be driven by an electric push rodinside to extend and retract freely. With the squeezing and expanding supporting disc device of the geotechnical barrier and the construction method, the problems of poor improvement effect, large field construction difficulty and low economic efficiency in the prior art are solved. The squeezing and expanding supporting disc device of the geotechnical barrier and the construction method are suitable for the engineering field with high requirements on the bearing capacity of a pile foundation, especially the engineering for improving the bearing capacity of a supporting disc end of a squeezingand expanding supporting disc pile.

Description

technical field [0001] The invention belongs to the field of pile foundation engineering, and in particular relates to a device and a construction method for extruded and expanded support discs of geotechnical barriers, which are suitable for engineering fields with high requirements on the bearing capacity of pile foundations, especially for increasing the support disc ends of extruded and expanded support discs. It is especially applicable in the engineering of bearing capacity. Background technique [0002] Ground treatment technology is developing vigorously, and cast-in-place piles are one of the common ground treatment methods. However, due to the disadvantages of small single pile bearing capacity and weak adaptability to soil layers, ordinary cast-in-situ piles can no longer meet complex and diverse engineering conditions, and more and more optimized methods are urgently needed in construction. [0003] From this, the cast-in-situ pile with extruded and expanded bra...

Claims

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Application Information

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IPC IPC(8): E02D5/34E02D5/44E02D5/66E02D5/76
CPCE02D5/34E02D5/44E02D5/66E02D5/76
Inventor 魏纲徐颖佳齐永洁
Owner ZHEJIANG UNIV CITY COLLEGE
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