Glass structure connecting node oblique load loading device
A technology of structural connection and loading device, which is applied in the direction of measuring device, machine/structural component testing, and applying stable tension/compression to test the strength of materials, etc., which can solve the problem of uneven force on the test piece, cracking of the test piece, node area The stress state does not match the actual project, so as to improve the accuracy and ensure the accuracy of the test
Pending Publication Date: 2020-11-20
CHINA ACAD OF BUILDING RES +1
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Problems solved by technology
The existing conventional test scheme generally adopts a three-point loading method, that is, one-point pulling and two-point pressing (the pressing is mainly used to ensure the stability of the specimen position), but this loading method will cause the node area to bear additional stress and affect the joint area. The stress distribution law of the joint area makes the stress state of the joint area inconsistent with the actual engineering, which affects the accuracy of the test results. Moreover, the specimen is easily broken when the pressure is applied. When the load is large, it is easy to cause the specimen to be damaged due to Rollover occurs due to unevenness, and at the same time, this loading method cannot realize multi-angle pulling connection nodes, and the test effect is not good
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[0029] Below, specific embodiments of the present invention will be described in detail in conjunction with the accompanying drawings, but they are not intended to limit the present invention.
[0030] It should be understood that various modifications may be made to the embodiments disclosed herein. Accordingly, the following description should not be viewed as limiting, but only as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the disclosure.
[0031] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and, together with the general description of the disclosure given above and the detailed description of the embodiments given below, serve to explain the embodiments of the disclosure. principle.
[0032] These and other characteristics of the invention will become apparent from the following description of prefe...
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The embodiment of the invention provides a glass structure connecting node oblique load loading device. The glass structure connecting node oblique load loading device comprises a base, a limiting assembly, and a testing mechanism. The limiting assembly is arranged on the base and used for forming a fixing groove in the base in a matched mode, the fixing groove is used for fixing a to-be-tested piece, the to-be-tested piece is a glass structural piece and is provided with a connecting node used for being externally connected with other structural pieces, and an embedded piece is arranged at the connecting node; the testing mechanism is connected with an embedded piece and is used for applying tension to the embedded piece to carry out load testing on the connecting node; one end of the testing mechanism is detachably connected with the base and can rotate relative to the base so as to adjust the force application angle of the testing mechanism to the embedded piece, so that the testingmechanism can carry out load test on the connecting node in different angle directions. According to the glass structure connecting node oblique load loading device, oblique loading at any angle canbe realized, so that a load test can be carried out on a to-be-tested piece at any angle.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of component load testing, and in particular to an oblique load loading device for connecting nodes of glass structures. Background technique [0002] Structural testing is to prevent accidents and casualties in buildings and other facilities when external forces occur, and conduct research on structural performance, and conduct a large number of tests to verify the design theory. Structural test is mainly to use the loading device to load and unload the test piece with the load or displacement value of the structure or component as the control amount. [0003] The connection nodes of glass structures will bear loads at different angles during use. When conducting experimental research on the mechanical performance of connection nodes, it is necessary for the loading device to apply loads at different angles and ensure that the load angle does not change during the loading process. ...
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IPC IPC(8): G01N3/10G01M99/00
CPCG01M99/00G01N3/10
Inventor 黄小坤刘强韩伟涛
Owner CHINA ACAD OF BUILDING RES