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Table 1

Notations of standard PKW fundamental parameters (Pralong et al. 2011)

Parameter symbolDefinition
Side wall crest length of PKW, B=Bb+Bi+B0 
B0 Overhang length of upstream outlet key 
Bi Overhang length of upstream inlet key 
Bb Width of PKW base 
Crest height of PKW (including possible parapet walls) 
Pd Height of dam (or any plat form under the PKW) 
Channel width 
Wi Width of inlet key 
W0 Width of outlet key 
Ts Thickness of the side wall 
Length of crest of PKW along the overflowing crest axis 
Parameter symbolDefinition
Side wall crest length of PKW, B=Bb+Bi+B0 
B0 Overhang length of upstream outlet key 
Bi Overhang length of upstream inlet key 
Bb Width of PKW base 
Crest height of PKW (including possible parapet walls) 
Pd Height of dam (or any plat form under the PKW) 
Channel width 
Wi Width of inlet key 
W0 Width of outlet key 
Ts Thickness of the side wall 
Length of crest of PKW along the overflowing crest axis 
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