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A rock hydraulic coupling creep test equipment

A technology of hydraulic coupling and testing equipment, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problems of increasing the difficulty of testing, difficult to adjust, and difficult to fix rocks.

Active Publication Date: 2022-04-12
HOHAI UNIV
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Problems solved by technology

[0003] Rock coupling creep refers to the phenomenon that the stress increases with time. Water is an important factor affecting the instability of rock creep and cracking. It is not easy to fix the rock during the hydraulic coupling creep test. The test is completed under the condition of providing stable water pressure or pressurization, and it is not easy to adjust, which increases the difficulty of the test

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  • A rock hydraulic coupling creep test equipment
  • A rock hydraulic coupling creep test equipment
  • A rock hydraulic coupling creep test equipment

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Embodiment Construction

[0018] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0019] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The application discloses a rock-hydraulic coupling creep testing device, which includes a lower casing, an upper casing, a limit mechanism and a test mechanism; the limit mechanism includes a column, a support plate, a first spring, a guide rod and a sealing gasket ; The test mechanism includes a bump, a pressure plate and a fixed plate. This application is equipped with a shell that can realize the placement of rocks, and can realize the fixing effect of rocks, which is convenient for the smooth progress of the test experiment, and can realize the sealing of the rock storage space, which is convenient for hydraulic coupling creep tests; this application is provided with a fixing plate The pressure plate and the pressure plate can realize the internal pressurization of the shell, and can adjust the pressure according to the needs of the hydraulic coupling creep test, so as to ensure the effective conduct of the test experiment, reduce the difficulty of operation, and improve the practicability of the test equipment.

Description

technical field [0001] The present application relates to a test device, in particular to a rock hydraulic coupled creep test device. Background technique [0002] Creep of rock refers to the phenomenon that the strain of rock increases with time under the condition of keeping the stress constant. The creep of rock under geological conditions can produce considerable deformation, but the required stress is not necessarily large. , the creep with time can be roughly divided into three stages: initial creep or transitional creep, the strain increases with time, but the increasing speed gradually slows down; steady-state creep or steady creep, the strain increases with time Increase at a constant speed, this stage is longer; accelerated creep, the strain increases rapidly with time, until it reaches the rupture point, the greater the stress, the shorter the total creep time; the smaller the stress, the longer the total creep time. However, each material has a minimum stress va...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/12G01N3/02
CPCG01N3/12G01N3/02
Inventor 张瑨朱其志石崇朱淳曹亚军
Owner HOHAI UNIV
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