center column meaning in Chinese

山柱

For meeting the related nantional standards and avoiding demolishment of the building , the underpinning and strengthening methods are used , with which the loads of center column are underpined by the diagonal steel strut and the cross - sectional areas of side pillar are strengthened , both ends of shear wall are chiseled in turn and then concrete is poured again
通过采用斜向钢支撑荷载转移法实现对中柱的托换，采用剪力墙两端分批凿除后再浇捣实现对剪力墙的托换，采用增加截面法对边柱进行加固，使建筑物经托换和加固后能满足国家有关规范的要求。