Abstract
Proper design of pipelines used for oil, gas, water and wastewater transmission is of great importance. This is even more critical when pipelines are located in nearshore, coastal areas that are exposed to extreme hydrodynamic events, such as tsunami and storm surges. The American Society of Civil Engineers (ASCE)), in its ASCE7 Chapter 6: Tsunami Loads and Effects, the new standard for tsunami impacts and loading stresses the necessity to study tsunami loads on pipelines. Understanding the hydrodynamic forces acting on the pipelines is vital in ensuring their safe operation and avoiding potential damage to the environment. To address these issues, the following study is the first of its kind to investigate loading on pipelines due to tsunami-like bores.
Highlights
Proper design of pipelines used for oil, gas, water and wastewater transmission is of great importance
This study proposes specific values for drag coefficients in the case of a transient tsunami-like coastal flow for different relative gap ratios and submergence conditions
Results for the force-time history for dry bed conditions and different gap ratios are shown in Figure 2(a) and (b)
Summary
Proper design of pipelines used for oil, gas, water and wastewater transmission is of great importance. This is even more critical when pipelines are located in nearshore, coastal areas that are exposed to extreme hydrodynamic events, such as tsunami and storm surges. Understanding the hydrodynamic forces acting on the pipelines is vital in ensuring their safe operation and avoiding potential damage to the environment. To address these issues, the following study is the first of its kind to investigate loading on pipelines due to tsunami-like bores. Guidelines for Design of Structures for Vertical Evacuation from Tsunamis FEMA P646 define the drag force acting on a structure as: Fd
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