New study on interactional effects of grouting pressure on the displacement of nailing bond

Pouyan Abbasi Maedeh1 , Wei Wu2 , Ali Ghanbari3 , Jia Lin4 , Marelianda Al Dianty5 , Kourosh Ghaffari Irdmoosa6 , Amir Shahraki Ghadimi7

1, 2, 4University of Bodenkultur, Vienna, Austria

3, 6, 7Kharazmi University, Tehran, Iran

5University of Brescia, Brescia, Italy

1Corresponding author

Journal of Measurements in Engineering, Vol. 6, Issue 1, 2018, p. 10-24.
Received 2 January 2018; accepted 25 January 2018; published 31 March 2018

Copyright © 2018 JVE International Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Creative Commons License

The maximum displacement in a soil nail bond system considering the pull-out, overburden load and grouting pressure effects has been evaluated. The Pull-out tests were carried out in five sites that located in Tehran, Iran. Moreover, additional pull-out test data from South Korea is considered. The displacement of the nailing system due to gravity and pressure grouting has been measured. Based on achieved data, four practical relationships between bound strength and pull-out displacements are developed. The parameters overburden load, grouting pressure, borehole diameter, moisture content and soil’s strength parameters have been chosen as the major inputs for the relationships. The correlation coefficients of the linear relationship range have been achieved between 0.89 and 0.99. While by using the multi-layer neural network for estimating it has been illustrated approximately 0.95.

Keywords: soil nail bond, pull-out, relationship, grouting pressure.


The authors wish to appreciate the institute of geotechnical engineering, University of Bodenkultur, Vienna, Austria, for their generous supports to complete this work.


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