2020-10-23から1日間の記事一覧
import numpy as np def main(): g=9.8 q=42.0 h0=554.1-321.0 v1=26.5 b=4.0 d1=np.round(q/b/v1,decimals=3) fr=np.round(v1/np.sqrt(g*d1),decimals=3) d1d2=np.round(1/2*(np.sqrt(1+8*fr**2)-1),decimals=3) d2=np.round(d1*d1d2,decimals=3) print('v1…
(known) discharge (known) width of rectangular open channe (known) Manning's roughness coefficient (known) gradient of channel invert (unknown) normal depth The critical depth of steep channel is calculated as following equation. # normal …
Active soil pressure coefficient considering earthquake by Mononobe-Okabe can be obtained by following equation. (USACE EM 1110-2-2100 Appendix G) import numpy as np kh=0.077 # horizontal seismic coefficient #kh=0 # horizontal seismic coef…