wedges and anchor for prestressed concrete Parts: anchor, wedge, block, spiral, duct payment : L/C , T/T modle: ... prestressing jacks, oil pump power pack, swaging machine etc. Components: anchor head/plate/ring, 2/3pcs grips/wedges, block/backing/base/bearing ... /25/32mm etc. In post-tensioned structure of pre-stressed concrete, anchorage anchors play a very important role. The effect of ...