It declines with the increase of times of direct assembling bolt knocked-down. But it can still reach that of nylon inbuilt nut after knocked-down 8 to 9 times.
2
地脚螺栓与螺母必须配套加工,配合使用。设备基础的预埋地脚螺栓采用定位模板安装固定。
The anchor bolts and nuts must be processed and used as a whole set. The embedded anchor bolts for equipment foundation shall be installed and fixed with positioning forms.