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Large-sized fluid-solid-heat multi-field coupling test loading system

A loading system, a large-scale technology, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve the problems of temperature change control, complex stress combination effect not well realized, etc., to save equipment research and development costs Effect

Active Publication Date: 2015-03-25
HOHAI UNIV
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Problems solved by technology

Due to the complexity of the problem itself, the existing test instruments have not been well realized in the simulation of high water pressure, the control of temperature changes, the realization of complex stress, and the combination of the three

Method used

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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings in order to provide a clear and complete description of the invention. It should be emphasized that the description of the accompanying drawings is schematic for the present invention, and is only used to explain the present invention, but can not be interpreted as a limitation of the present invention; in addition, the same or similar symbols throughout the present invention represent the same or similar Components, the terms "connected", "connected", "installed", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a Electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or even an internal communication between two components. Those of ordinary skill in the art can un...

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Abstract

The invention relates to a large-sized fluid-solid-heat multi-field coupling test loading system. The large-sized fluid-solid-heat multi-field coupling test loading system consists of a loading framework main body, a loading platform, a pressure chamber inlet-outlet platform and a data acquisition system. The large-sized fluid-solid-heat multi-field coupling test loading system has the following advantages: firstly, the test loading space is changed by virtue of an adjustable central crossbeam, and the multi-field coupling test for test samples of different types and different sizes can be realized by selecting different pressure chambers for different test samples of different types; secondly, under the situation that the pressure chamber is not used, a hydraulic crack test for concrete and rock under high water pressure can be carried out, and a conventional material parameter of the material can be determined; thirdly, by adopting a pressure chamber hoisting device and a wheel inlet-outlet platform device, the replacement of different test samples and different pressure chambers can be conveniently realized; fourthly, by adopting the data acquisition device and data storage software, data such as water pressure, confining pressure, axial pressure and temperature variation can be fully automatically acquired, displayed and stored in real time in the whole process without interfering with each other.

Description

technical field [0001] The invention relates to a large-scale fluid-solid-thermal multi-field coupling test loading system suitable for soil materials, concrete and rocks. Background technique [0002] Since the “Twelfth Five-Year Plan” and the large-scale implementation of the western development strategy, the construction of large-scale water conservancy and hydropower projects in my country has continued to develop, and a number of 300m-level earth-rock dams and concrete dams are under construction or have been put into operation. [0003] Affected by the climate environment, design, construction and maintenance, cracks in the dam are almost inevitable. In order to ensure the normal operation of reservoirs and dams, the mechanism of crack initiation and propagation under conditions of variable temperature, high water pressure, and complex stress has become a research hotspot in the current academic circle. A large number of scholars are committed to carrying out a large ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12
Inventor 严中奇沈振中徐力群邱莉婷储凯敏甘磊焦延涛
Owner HOHAI UNIV
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