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3D printing of an instrumented DMT: design, development and initial testing

Hao Shen UGent, Wim Haegeman UGent and Herman Peiffer UGent (2016) GEOTECHNICAL TESTING JOURNAL. 39(3).
abstract
This paper describes the design, fabrication and initial testing of an instrumented Flat Dilatometer Test (iDMT) device. Compared to the DMT test involving pressure readings at two-fixed displacements, this device is designed to have a direct displacement-measuring system and a larger-displacement range to evaluate the continuous pressure-displacement relation of a soil, which may afford an opportunity to improve the interpretation to take non-linear soil behaviors into account rather than using linear elasticity in the DMT analysis. However, technical constraints are encountered in the iDMT blade machining using traditional technologies, alternatively, a 3D printing technology is successfully applied to fabricate the iDMT blade. Then, the calibrations of the iDMT device are performed, followed by an iDMT test in conjunction with a DMT test in a calibration chamber, demonstrating that the new iDMT device can be used to investigate non-linear soil behaviors, and the 3D printing technology is proved not only to be an expedient solution but also to be used as a routine tool in improving geotechnical testing apparatus.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
DMT, FLAT DILATOMETER, instrumented DMT, 3D printing, pressures, displacement
journal title
GEOTECHNICAL TESTING JOURNAL
volume
39
issue
3
pages
8 pages
publisher
ASTM
Web of Science type
Article
Web of Science id
000382630100012
JCR category
ENGINEERING, GEOLOGICAL
JCR impact factor
0.806 (2016)
JCR rank
27/35 (2016)
JCR quartile
4 (2016)
ISSN
0149-6115
DOI
10.1520/GTJ20150149
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
7017689
handle
http://hdl.handle.net/1854/LU-7017689
alternative location
http://www.astm.org/DIGITAL_LIBRARY/JOURNALS/GEOTECH/PAGES/GTJ20150149.htm
date created
2015-12-18 11:16:38
date last changed
2016-12-19 15:47:35
@article{7017689,
  abstract     = {This paper describes the design, fabrication and initial testing of an instrumented Flat Dilatometer Test (iDMT) device. Compared to the DMT test involving pressure readings at two-fixed displacements, this device is designed to have a direct displacement-measuring system and a larger-displacement range to evaluate the continuous pressure-displacement relation of a soil, which may afford an opportunity to improve the interpretation to take non-linear soil behaviors into account rather than using linear elasticity in the DMT analysis. However, technical constraints are encountered in the iDMT blade machining using traditional technologies, alternatively, a 3D printing technology is successfully applied to fabricate the iDMT blade. Then, the calibrations of the iDMT device are performed, followed by an iDMT test in conjunction with a DMT test in a calibration chamber, demonstrating that the new iDMT device can be used to investigate non-linear soil behaviors, and the 3D printing technology is proved not only to be an expedient solution but also to be used as a routine tool in improving geotechnical testing apparatus.},
  author       = {Shen, Hao and Haegeman, Wim and Peiffer, Herman},
  issn         = {0149-6115},
  journal      = {GEOTECHNICAL TESTING JOURNAL},
  keyword      = {DMT,FLAT DILATOMETER,instrumented DMT,3D printing,pressures,displacement},
  language     = {eng},
  number       = {3},
  pages        = {8},
  publisher    = {ASTM},
  title        = {3D printing of an instrumented DMT: design, development and initial testing},
  url          = {http://dx.doi.org/10.1520/GTJ20150149},
  volume       = {39},
  year         = {2016},
}

Chicago
Shen, Hao, Wim Haegeman, and Herman Peiffer. 2016. “3D Printing of an Instrumented DMT: Design, Development and Initial Testing.” Geotechnical Testing Journal 39 (3).
APA
Shen, Hao, Haegeman, W., & Peiffer, H. (2016). 3D printing of an instrumented DMT: design, development and initial testing. GEOTECHNICAL TESTING JOURNAL, 39(3).
Vancouver
1.
Shen H, Haegeman W, Peiffer H. 3D printing of an instrumented DMT: design, development and initial testing. GEOTECHNICAL TESTING JOURNAL. ASTM; 2016;39(3).
MLA
Shen, Hao, Wim Haegeman, and Herman Peiffer. “3D Printing of an Instrumented DMT: Design, Development and Initial Testing.” GEOTECHNICAL TESTING JOURNAL 39.3 (2016): n. pag. Print.