As probable maximum flood flows are updated for existing spillways, modifications or
replacement of the existing spillway are often required to increase discharge capacity …

Labyrinth weirs are complex hydraulic structures. They have been widely used as a water
regulator and to increase discharge in channels and spillway dams. Labyrinth weirs are an …

A labyrinth weir is a linear weir folded in plan-view which increases the crest length and the
flow rate for a given channel width and an upstream flow depth. The present study aimed at …

ABSTRACT Piano Key Weirs are an effective solution for dam rehabilitation as well as new
dam projects with a high level of hydraulic constraints. In order to improve the efficiency of …

The Piano Key Weir is a type of labyrinth weir using overhangs to reduce the footprint of the
foundation. These are directly placed on a dam crest. Together with its high discharge …

Climate change has caused the inefficient operation of a significant number of old weirs to
pass large discharges. Therefore, this study aims to increase the discharge capacity of the …

A labyrinth weir is a polygonal overflow weir that is characterized by its hydraulic
performance and distinct geometric shape (triangular, trapezoidal or rectangular cycles) …

The piano key weir (PKW) is an evolution with more hydraulic efficiency, compared to
labyrinth weir. The studies on this type of weir have shown a significant increase in its …

Data science techniques (DST) are the most popular approaches for estimating the
discharge coefficient (C d) of labyrinth weirs (LW). This study proposes a hydraulic-informed …

ABSTRACT Piano Key weirs are Labyrinth-like weirs that can be placed on the top of gravity
dams. They represent a powerful solution to increase the discharge capacity of existing dam …