The compaction effect on the performance of a compaction-grouted soil nail in sand

X Ye, S Wang, S Zhang, X Xiao, F Xu - Acta Geotechnica, 2020 - Springer
In this study, two series of physical modeling experiments, with and without a grouting
process, were conducted under different grouting pressures to study the effect of compaction …

[HTML][HTML] Experimental investigation of pressure grouting in sand

Q Wang, S Wang, SW Sloan, D Sheng, R Pakzad - Soils and Foundations, 2016 - Elsevier
Pressure grouting technology has been widely adopted in ground improvement and soil
stabilization. To better understand the grout evolution and diffusion process upon pressure …

[HTML][HTML] Discrete Element Modelling of uplift of rigid pipes deeply buried in dense sand

X Li, G Kouretzis, K Thoeni - Computers and Geotechnics, 2024 - Elsevier
This paper presents a numerical methodology based on the Discrete Element Method
developed for the efficient modelling of kinematic granular soil-pipe interaction at large …

Numerical and experimental studies of the mechanical behaviour for compaction grouted soil nails in sandy soil

X Ye, S Wang, Q Wang, SW Sloan, D Sheng - Computers and Geotechnics, 2017 - Elsevier
A model test was conducted for a newly developed soil nail, the result of which was
compared to that of a 3D finite element method (FEM) simulation. The shape angle (β) and …

Shallow and deep failure mechanisms during uplift and lateral dragging of buried pipes in sand

J Wu, G Kouretzis, L Suwal, Y Ansari… - Canadian …, 2020 - cdnsciencepub.com
This paper presents results of a series of experiments modelling uplift and lateral drag of a
rigid pipe buried in dry sand. The main aim of these tests is to document the gradual …

Development of a prototype for modelling soil–pipe interaction and its application for predicting uplift resistance to buried pipe movements in sand

Y Ansari, G Kouretzis, SW Sloan - Canadian Geotechnical …, 2018 - cdnsciencepub.com
This paper presents a testing rig for measuring the reactions on rigid pipes buried in sand
during episodes of relative displacement. Following a detailed presentation of the 1 g …

Physical modelling of lateral sand–pipe interaction

Y Ansari, G Kouretzis, SW Sloan - Géotechnique, 2021 - icevirtuallibrary.com
This paper presents a series of physical modelling tests performed to measure the
resistance developing during lateral dragging of a rigid pipe buried in loose to very dense …

The influence of the degree of saturation on compaction-grouted soil nails in sand

X Ye, S Wang, Q Wang, SW Sloan, D Sheng - Acta Geotechnica, 2019 - Springer
A series of large-scale model tests was conducted on compaction-grouted soil nails to study
the influence of the degree of saturation on the soil response to compaction grouting and …

Performance of a compaction-grouted soil nail in laboratory tests

X Ye, Q Wang, S Wang, S Sloan, D Sheng - Acta Geotechnica, 2019 - Springer
This study proposed a new soil nail known as the compaction-grouted soil nail, and a
physical model was established to investigate its pull-out behaviour with different grouting …

[HTML][HTML] Modeling pipe-soil interaction under vertical downward relative offset using B-spline material point method

C Zhang, H Zhu, H Li - Journal of Rock Mechanics and Geotechnical …, 2023 - Elsevier
To analyze the pipeline response under permanent ground deformation, the evolution of
resistance acting on the pipe during the vertical downward offset is an essential ingredient …