new gr 20 20 m e gen circle 10,10,5 mod null reg 10,10 ; concrete lining ; automatic beaming - clockwise struc beam long from 10,6 to 10,6 prop=1 struc prop=1 e=13.8e9 i=2.8e-4 a=0.15 plot hold grid beam red plot hold grid structure element new grid 5,5 m e pl hold model grid ;excavation model null i=3 j=3 pl hold model grid ;installing of metal lining (manual beaming) struc beam begin grid 3,3 end grid 4,3 prop=1 struc beam begin grid 3,3 end grid 3,4 prop=1 struc beam begin grid 4,3 end grid 4,4 prop=1 struc beam begin grid 3,4 end grid 4,4 prop=1 struc prop=1 e=200e9 i=2.3e-5 area=4.8e-3 pl hold model grid beam yellow
farfocel