Laboratory tests of small-diameter HDPE pipes buried in reinforced sand under repeated-load

SNM Tafreshi, O Khalaj - Geotextiles and Geomembranes, 2008 - Elsevier
This paper describes laboratory tests on small-diameter high-density polyethylene (HDPE)
pipes buried in reinforced sand subjected to repeated loads to simulate the vehicle loads …

Performance of a corrugated metal pipe with shallow burial depth in loosely compacted sand: soil box test and 3D finite element modeling

HR Chimauriya, M Azizian, S Raut, M Najafi… - Transportation …, 2023 - Elsevier
There have been many studies that have investigated the behavior of buried corrugated
metal pipes (CMPs) in culvert applications. However, full-scale testing of buried culverts is a …

Experimental evaluation of an expanded polystyrene (EPS) block-geogrid system to protect buried pipes

M Azizian, SNM Tafreshi, NJ Darabi - Soil Dynamics and Earthquake …, 2020 - Elsevier
This study presents the results of experimental tests carried on buried uPVC (unplasticized
polyvinyl chloride) pipes with an external diameter of 160 mm. The behavior of buried pipes …

Numerical analysis on Buried pipes protected by combination of geocell reinforcement and rubber-soil mixture

G Tavakoli Mehrjardi… - International …, 2015 - nottingham-repository.worktribe.com
A numerical simulation of laboratory model tests was carried out to develop an
understanding of the behaviour of pipes in a trench prepared with 3-Dimensional reinforced …

Full-scale investigation of responses of large diameter steel pipe under soil compaction and external truck load

Y Zhang, RCK Wong - Tunnelling and Underground Space Technology, 2022 - Elsevier
A plain steel pipe with a diameter of 762 mm was buried in the field at depths of 0.3, 0.6, and
1.0 m to investigate the differences in pipe behavior under soil compaction and external …

Analysis of repeated-load laboratory tests on buried plastic pipes in sand

SNM Tafreshi, O Khalaj - Soil Dynamics and Earthquake Engineering, 2011 - Elsevier
This paper describes a laboratory model test carried out on high-density polyethylene
(HDPE), small diameter pipes buried in trenches, which subjected to repeated loadings to …

Effect of corrosion on buried pipe responses under external load: Experimental and numerical study

Y Zhang, RCK Wong - Tunnelling and Underground Space Technology, 2023 - Elsevier
Punch-through corrosion on decommissioned buried steel pipes not only leads to soil
migration and ground settlement, but also reduces the load bearing capacity of buried pipes …

[HTML][HTML] Equations to predict vertical deflection and maximum stress of buried pipes under overburden

Y Zhang, RCK Wong - Tunnelling and Underground Space Technology, 2024 - Elsevier
The structural integrity and safety of buried pipes are mainly governed by the deflection and
the maximum stress, which are controlled by the earth pressure exerted around the pipe …

Evaluation of arched EPS block and geocell inclusions in trench backfill for protection of buried flexible pipes

SNM Tafreshi, NJ Darabi, M Azizian, BC O'Kelly… - Geotextiles and …, 2024 - Elsevier
This paper presents an experimental investigation examining the novel idea of employing
curved expanded-Polystyrene (EPS) blocks that arch around the upper section of buried …

Analysis of repeated-load field testing of buried plastic pipes

E Faragher, PR Fleming, CDF Rogers - Journal of transportation …, 2000 - ascelibrary.org
This paper describes a full-scale field trial carried out on plastic pipes buried in trenches,
which were repeatedly loaded by a heavy vehicle driven along an overlying haul road. The …