What does the symbol of flat method set mean? Enter v, BF, BC, BW, LC, LN, LAE, LA, LLE, LL, LNI, HAC, HN, HC, HW, HB, AC.

Bf is the vertical wall thickness, bw is the horizontal wall thickness, lc is the length along the wall limb, ln is the clear span length of the beam, lae is the seismic anchorage length, la is the non-seismic anchorage length, Hn is the clear height of the column, lle is the seismic lap length, ll is the non-seismic lap length, hc is the bearing width, and hw is the shear wall limb length ...............................................................