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Experimental device for measuring additional stress of consolidation of debris flow buried deposits

An experimental device, a technology of additional stress, applied in the direction of measuring devices, soil testing, material inspection products, etc.

Active Publication Date: 2019-08-16
ZAOZHUANG UNIV +5
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no effective method at home and abroad to measure the additional stress of the consolidation of sediments buried by debris flow.

Method used

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  • Experimental device for measuring additional stress of consolidation of debris flow buried deposits

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Embodiment Construction

[0011] An experimental device for measuring the additional stress of sediment consolidation in debris flow silt, the structure of which is: the experimental device includes a test tank 1, a support column 2, a plurality of connecting beams 3, a plurality of miniature earth pressure cells 4, a plurality of Miniature plane dynamometer 5, dynamic strain gauge 6 and connecting pipe 7;

[0012] The bottom of the test tank 1 is provided with an installation hole, the lower end of the support column 2 is fixed in the installation hole, the axial direction of the support column 2 is perpendicular to the bottom surface of the test tank 1, and the height of the upper end surface of the support column 2 is lower than the upper surface of the test tank 1. End face; the connecting pipe 7 is arranged on the bottom of the test tank 1, the outer end of the connecting pipe 7 communicates with the outer wall of the test tank 1, and the inner end of the connecting pipe 7 communicates with the low...

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Abstract

The invention discloses an experimental device for measuring additional stress of consolidation of debris flow buried deposits, and the experimental device comprises a test tank, a support column, a plurality of connecting beams, a plurality of micro-earth pressure boxes, a plurality of micro-planar dynamometers, a dynamic strain gage and a connecting tube. The invention has the beneficial technical effects that the experimental device for measuring additional stress of consolidation of debris flow buried deposits is proposed, and the device can measure the additional stress of debris flow consolidation at different depths in the debris flow buried deposits, thereby providing a scientific basis for effectively assessing the degree of damage of the bridge culvert structure buried by the debris flow, and also providing a theoretical basis for rationally determining the bearing capacity of the debris flow surface of the debris flow buried section.

Description

technical field [0001] The invention relates to a technique for measuring additional stress of consolidation of mud-rock flow silt deposits, in particular to an experimental device for measuring the additional stress of consolidation of mud-rock flow silt deposits. Background technique [0002] The total mileage of highways located in high-incidence areas of debris flows in my country is 1.5 million kilometers (as of the end of 2017), and debris flow disasters occur frequently; roadbed erosion caused by debris flows, concrete road slab suspension, road silting, bridge pier foundation erosion damage, etc. Disasters have the characteristics of "multiple points, wide areas, and severe disasters". In 2010 alone, direct economic losses amounted to 87 billion yuan, which seriously affected transportation capacity, transportation safety, and flood fighting and rescue work. It has become a national demand to improve the technical level of debris flow breakway disaster reduction as so...

Claims

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Application Information

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IPC IPC(8): G01N33/24G01L5/00
CPCG01N33/24G01L5/0028
Inventor 陈洪凯王圣娟刘彬曲文婷张金浩
Owner ZAOZHUANG UNIV