3.逐桩设计高程计算 切线高程:H=Hn1+n(lcx-BPDn Hr=h+i(Lcz-BPD LCz-BPD H BPD CZ Lcz BPDn-I HHT HS y Hn BPDn BPDn-1 Hn-1 in in-1 Lcz1 in+1 Lcz-BPDn-1 3. 逐桩设计高程计算 切线高程： ( ) T = n−1 + n Lcz − BPDn−1 H H i Lcz2 HT ( ) T n n Lcz BPDn H = H +i −