The configuration of piggyback pipeline and its local scour.

Numerical investigation of the influence of the small pipeline on local scour morphology around the piggyback pipeline - ScienceDirect

Numerical Modeling of Local Scour below a Piggyback Pipeline in Currents, Journal of Hydraulic Engineering

Numerical Modeling of Local Scour below a Piggyback Pipeline in Currents, Journal of Hydraulic Engineering

Predicting scour beneath subsea pipelines from existing small free span depths under steady currents – topic of research paper in Chemical engineering. Download scholarly article PDF and read for free on CyberLeninka

Effects of spoiler and piggyback on local scour under single and twin submerged pipes - ScienceDirect

The configuration of piggyback pipeline and its local scour.

JMSE, Free Full-Text

Numerical Modeling of Local Scour below a Piggyback Pipeline in Currents, Journal of Hydraulic Engineering

Experimental Investigation of Scouring around Piggyback Pipelines in Different Arrangements

JMSE, Free Full-Text

Experimental Investigation of Scouring around Piggyback Pipelines in Different Arrangements

Investigation on scour protection of submarine piggyback pipeline - ScienceDirect