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Experimental device and method for shear performance of complex variation region of coastal soft clay

An experimental device and composite technology, applied in the direction of applying stable shear force to test the strength of materials, preparation of test samples, etc., can solve the problems of affecting the quality of sampling, research on the shear performance of complex variation areas, prone to breakage, Peeling and other problems, to achieve the effect of simple operation

Pending Publication Date: 2019-02-19
OCEAN UNIV OF CHINA
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Problems solved by technology

At present, there is no experimental device and experimental method for studying the shear performance of the complex variation area, and the sample of the complex variation area is prone to breakage and peeling during the sampling process, which affects the sampling quality

Method used

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  • Experimental device and method for shear performance of complex variation region of coastal soft clay
  • Experimental device and method for shear performance of complex variation region of coastal soft clay
  • Experimental device and method for shear performance of complex variation region of coastal soft clay

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Embodiment Construction

[0039] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0040] 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.

[0041] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present i...

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Abstract

The invention relates to an experimental device and a method for the shear performance of a complex variant region of coastal soft clay. The device comprises a sample preparation device, a sampling device, and a performance testing device. The sample preparation device comprises a preparation bin. An upper cover plate and a bottom plate are disposed at the upper end and the lower end of the preparation bin respectively. The upper cover plate and the bottom plate are fixedly connected by a first connector. The first connector is detachably connected to the upper cover plate. A grouting port isformed on the upper cover plate. An ejection mechanism is disposed below the bottom plate. The upper end of the ejection mechanism extends into the preparation bin, and the lower end is fixed to a base. The base and the bottom plate are fixedly connected by a second connector. A sample of the complex variation region can be obtained by the experimental device, which is convenient for studying theshear performance of the sample.

Description

technical field [0001] The invention relates to the technical field of experimental equipment, in particular to an experimental device and method for shear performance in a variation zone of a coastal facies soft clay complex. Background technique [0002] The development and utilization of my country's marine resources and space is facing unprecedented development opportunities and challenges. The construction of coastal marine engineering structures is being carried out on a large scale, but the underlying foundation often develops a thick soft clay layer (the depth can reach more than ten meters). Affected by factors such as depositional environment and composition, coastal soft clay has the remarkable characteristics of weak strength, high moisture content, low permeability, strong compressibility, and poor stability. Serious problems such as settlement, tilting, and even overall instability and damage pose a serious threat to the safety of structures. For the reinforceme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/24G01N1/28
CPCG01N1/28G01N3/24
Inventor 李鹏刘勇张庆松李术才张霄杨树桐刘筱熊俊成
Owner OCEAN UNIV OF CHINA
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