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A group anchor effect model test device and detection method

A model test device and effect technology, which is used in measurement devices, preparation of test samples, instruments, etc., can solve problems such as the inability to accurately simulate the real current situation of field bolts, and achieve the effect of improving test accuracy and accurate group anchor effect coefficients.

Active Publication Date: 2022-03-29
SOUTHEAST UNIV
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Problems solved by technology

[0003] Purpose of the invention: The purpose of the present invention is to provide a group anchor effect model test device and detection method to solve the problem that the indoor test of the existing bolt group anchor system cannot accurately simulate the real situation of the field bolt, improve the accuracy of the test and the accuracy of the group anchor effect coefficient obtained from the test The problem

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  • A group anchor effect model test device and detection method
  • A group anchor effect model test device and detection method
  • A group anchor effect model test device and detection method

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with accompanying drawing.

[0024] Such as figure 1 As shown, the present invention includes a model box 13, which facilitates model making and fills simulated formations to form a simulated interface. Model box 13 periphery is provided with reaction force frame 15, and the bottom of reaction force frame 15 both sides is fixed on the ground by anchor bolt 16, makes reaction force frame 15 and ground reliable connection. The reaction frame 15 and the anchor bolts 16 belong to the auxiliary structure of the load loading system, and are mainly used to reliably transmit the loading reaction force of the loading system. The reaction frame 15 can be a steel frame, bent frame or other structures, and only the reaction force The deformation of the frame 15 and the anchor bolts 16 is slight to negligible when the load is applied. The top of the model box 13 is fixed with a load-loading rigid cushion 3, and t...

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Abstract

The invention discloses a group anchor effect model test device and detection method, comprising a model box, a simulated stratum system is arranged in the model box, one side of the model box is a group anchor system, and the group anchor system runs through the model box In the simulated formation system, a load loading system is provided above the model box, and a bolt detection system is provided on the group anchor system, and the bolt detection system is connected with the detection control system. The present invention improves the existing group anchor detection device and detection method, improves the test accuracy; expands and improves the research on the influencing factors of the group anchor effect, such as the positional relationship between the sliding surface and the anchor rod, the spatial position form between the anchor rods, such as the angle The overall consideration of factors such as , vertical distance, and soil stress shape makes the group anchor effect coefficient obtained in the test more accurate; a group anchor effect detection method based on the intelligent jack / intelligent loading system and dynamic effects such as vibration loads is proposed.

Description

technical field [0001] The invention relates to the field of bolt system detection, in particular to a group anchor effect model test device and a detection method. Background technique [0002] The bolt support system has been widely used in the field of civil engineering and transportation because of its economical safety, flexibility and convenience, and less disturbance to the construction environment, especially in the stable support of surrounding rocks in slopes, tunnels, foundation pits, and underground chambers. It is favored in engineering such as protection. With the application of the bolt support system, the system presents the characteristics of clustering, systematization and structure. In order to ensure the safe operation of the bolt system, the model test of the bolt system has been developed. At home and abroad, the research on the single anchor test is relatively in-depth, and a relatively complete test method and evaluation index have been formed. For ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/00G01N1/36G01N3/06
CPCG01N3/00G01N1/36G01N3/068G01N3/066G01N2203/0298G01N2203/0676G01N2203/0682G01N2203/0208
Inventor 戴国亮郭庆龚维明杨阳姜开渝
Owner SOUTHEAST UNIV
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