Four point bending failure tests (bending failure and shear failure of pure reinforced anti slide pile; bending failure and shear failure of prestressed anti slide pile) were carried out on four anti slide piles with different structures, and the whole failure process was monitored by acoustic emission. The monitoring equipment is the German eight channel vallen acoustic emission monitor, and seven sensors are arranged to monitor the damage of piles in the whole area. The collected AE data mainly include amplitude, energy, ring count, frequency and other key AE indicators. By studying the characteristics of acoustic emission signals in the whole process, we can get the acoustic emission characteristics of anti slide piles in different stages and different failure forms, establish the damage model, and provide a feasible scheme for the prediction and early warning of structural failure.

File naming and required software

The acoustic emission data is stored in Excel format, and the file name format is "gj-w.xlsx", "gjx-j", where GJ represents reinforcement, GJX represents steel strand, w represents bending failure, J represents shear failure, and gjx-w represents acoustic emission data of bending failure of steel strand anti slide pile; The data can be directly opened by Excel. There are 7 worksheets in each excel file. Each worksheet represents the data of an acoustic emission channel. Each table records the acoustic emission time, channel Chan, amplitude A, rise time R, duration D, ringing count CNTs, energy E and centroid frequency FFT_ Cog, peak frequency FFT_ FoM。

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Cite as:

Jiang, Q. (2022). Acoustic emission data of four point bending test of anti slide pile on high and steep slope in Tibet. A Big Earth Data Platform for Three Poles, DOI: 10.11888/Terre.tpdc.272194. CSTR: 18406.11.Terre.tpdc.272194. (Download the reference： RIS | Bibtex )

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