Abstract
Large-scale landslides often occur in river-type reservoirs, and landslide-generated waves affect navigation channels and the navigation of ships. Thus, such waves cause widespread regional disasters. This study establishes a mechanical model of landslide-generated waves via field investigations and data collection, reveals the mechanism and process of landslide-generated waves, and investigates the propagation characteristics of landslide-generated waves along a sloping wave. The feasibility of the model is verified via (i) regularity analysis, (ii) comparative analysis of the effect of landslide-generated waves of mountain river channel reservoirs on the movement characteristics of navigation vessels and stationary vessels, (iii) deviation from the equilibrium position, and (iv) an in-depth study of the influence of large-scale landslide-generated waves on ships in different navigation positions in a river channel. Countermeasures are proposed for a sailing ship to tackle a sudden landslide-generated wave; these measures can provide a theoretical basis for ships to sail safely through large-scale landslide-generated waves.
Highlights
Bank slopes are affected by water immersion, water erosion, wave impacts, water level fluctuation, and earthquakes. e unfavourable geological phenomena of high-density rock mass collapse and slip occur frequently, causing large-scale high-density rock mass to move at high speeds
Is paper is based in part on a large-scale physical model test. e study analyses the results of the model test, derives the empirical formula for the propagation of landslide-generated waves, and compares the characteristics of roll and pitch motions of moving and stationary ships. e conclusions can provide some guidance for the navigation safety of vessels in the ree Gorges Reservoir
By deriving the landslide-generated wave formula along the course, we found that energy loss occurred in the interaction between the landslide body and the water body
Summary
Bank slopes are affected by water immersion, water erosion, wave impacts, water level fluctuation, and earthquakes. e unfavourable geological phenomena of high-density rock mass collapse and slip occur frequently, causing large-scale high-density rock mass to move at high speeds. The landslide body slides into the water along the bank slope at a high speed and interacts with the water body; the water quality points move, and landslide-generated waves are triggered [1]. E second stage is the landslide-generated wave. The landslide-generated wave propagates along the bank slope and offshore [2]. Current research focuses on the characteristics of landslide-generated wave formation and the characteristics of the interaction between landslidegenerated waves and structures. Recent research efforts into landslide-generated waves have been productive. E study analyses the results of the model test, derives the empirical formula for the propagation of landslide-generated waves, and compares the characteristics of roll and pitch motions of moving and stationary ships. Is paper is based in part on a large-scale physical model test. e study analyses the results of the model test, derives the empirical formula for the propagation of landslide-generated waves, and compares the characteristics of roll and pitch motions of moving and stationary ships. e conclusions can provide some guidance for the navigation safety of vessels in the ree Gorges Reservoir
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