Indoor model soil strain deformation measurement device
A measuring device and indoor model technology, applied in the direction of electric/magnetic solid deformation measurement, measuring device, electromagnetic measuring device, etc., can solve the problem that the external length of the displacement meter cannot be ignored, and it is not suitable for monitoring the deformation and strain value of thin soil layers and other problems, to achieve the effect of easy operation and processing results, low requirements for technical mastery, and high test accuracy
Inactive Publication Date: 2016-06-01
YANSHAN UNIV
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Problems solved by technology
Its disadvantages: For indoor test models with small size, the external length of the displacement meter cannot be ignored, and it is not suitable for monitoring the deformation and strain values of thin soil layers
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[0011] exist figure 1 , figure 2 and image 3 In the schematic diagram of the present invention shown, a solid metal rod A2 is fixedly connected at the center of the upper part of the base 1 . The support A3 is a cylinder, and the support A is provided with vertical through holes and horizontal through holes. The top of the solid metal rod A is plugged into the vertical through hole of the support A. The metal rod B5 is fixedly connected to the center of the upper surface of the steel base plate 4, and the lower end of the metal rod B is externally sleeved with a hard plastic pipe A6. The hard plastic pipe A is placed on the steel base plate, and the length of the hard plastic pipe A is longer than the soil to be tested. The distance from the layer to the top surface of the soil layer. The upper end of the metal rod B is sleeved with a hard plastic pipe B7. The support B8 is a cylinder, and the support B is provided with vertical through holes and horizontal through hole...
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The invention discloses an indoor model soil strain deformation measurement device, and the device mainly comprises a substrate, a metal rod A, a supporting seat A, a steel pedestal, a metal rod B, a hard plastic pipe A, a hard plastic pipe B, a supporting seat B, a displacement sensor, a connecting column A, a connecting column B, a metal wire, a strain gage, a dynamic and stationary strain indicator, a computer, and a supporting rod. The device employs a small-size settlement plate to replace a displacement meter, and enables the small-size settlement plate to be buried in a soil layer, thereby solving a problem that a plurality of displacement meters even one displacement meter cannot be buried because of a model size. A plurality of measurement points can be added, and the strain gage can monitor the strain value of soil, and obtains more practical value. All parts are convenient to obtain, and the device exerts lower requirements on the skill of an operator. The device is high in testing precision, is simple in operation step, and is convenient to operate and process results.
Description
technical field [0001] The invention relates to the field of rock and soil deformation measurement. Background technique [0002] In geotechnical engineering measurement, the displacement meter is the preferred tool for deformation detection. It is a sensor suitable for monitoring the shear displacement at the interface between the dam body and the bank slope or the relatively large relative displacement inside the dam body. The common appearance produced by the manufacturer The dimensions are: 300mm, 340mm, and 400mm, all of which are tens of centimeters. Compared with the large dam body and bank slope, the volume is small, and it can be simplified to one point measurement. Its disadvantages: For indoor test models with small size, the external length of the displacement meter cannot be ignored, and it is not suitable for monitoring the deformation and strain values of thin soil layers. Contents of the invention [0003] The object of the present invention is to provid...
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IPC IPC(8): G01B21/32G01B7/16
CPCG01B21/32G01B7/16
Inventor 曹海莹魏月岩刘云飞
Owner YANSHAN UNIV