The working principle of prestressed anchorage

Why can clip fixed steel strand?
Using anchor block and wedges piece, the taper tension causes jaw much on clamping force of the steel strand bite. Clamp plate anchorage is generally use clamping piece and steel strand friction drag anchor steel strand anchor. Porous clamping piece anchor is also known as the specific group of anchor system, made from porous jaw anchorage, anchor plate (also known as cast iron, anchor block), spiral steel or steel fabric, etc. The anchorage is on a piece of porous anchor plate, using each cone hole with a clip, holding a piece of steel strand. Its advantage is that any steel strand anchor invalidation, won't cause invalidation as a whole. The root of each beam of steel strand number is not restricted.