Title:
教師データの作成方法および地盤評価方法
Document Type and Number:
Japanese Patent JP6696787
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To propose a teacher data making method capable of providing teacher data of a frequency band suitable for determining geology in impact hole- drilling, and a ground evaluation method using the teacher data.SOLUTION: A teacher data making method comprises drilled-hole depth history data acquisition work S11 for acquiring drilled-hole depth history data of a physical quantity correlated to an operation state of an impact type hole-drilling machine in impact hole-drilling time to the ground, frequency spectrum making work S12 for making a plurality of frequency spectra by spectrally analyzing the drilled-hole depth history data with every excavation depth, quantization spectrum making work S13 for making a quantization spectrum on the respective frequency spectra, primary processing teacher data making work S14 for making primary processing teacher data by averaging a plurality of quantization spectra, secondary processing teacher data making work S15 for making secondary processing teacher data by converting a maximum value of the primary processing teacher data into a constant value and tertiary processing teacher data making work S16 for making tertiary processing teacher data by eliminating a noise component of the secondary processing teacher data.SELECTED DRAWING: Figure 2
Inventors:
Takahiro Kondo
Saburo Katayama
Yamagami Junmin
Saburo Katayama
Yamagami Junmin
Application Number:
JP2016023730A
Publication Date:
May 20, 2020
Filing Date:
February 10, 2016
Export Citation:
Assignee:
Taisei Corporation
International Classes:
E02D1/02; E21B47/00
Domestic Patent References:
| JP2013159926A | ||||
| JP2004209084A | ||||
| JP2011038257A | ||||
| JP2015028244A | ||||
| JP2002133391A | ||||
| JP7208060A | ||||
| JP2000019261A | ||||
| JP2008111289A |
Foreign References:
| US20130080060 |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office