... strand: 12.7mm,12.9mm,15.2mm,15.7mm 1. China prestress post tension anchor Matched with strand diameter of0.6"(15 ... % With-draw of wedge after stressingλ≤6mm 2. Application:1.In post-tensioned and pre-tensioned concrete structure, prestress anchor plays a ... capability influences the security of the prestress concrete structure directly. 1) Types: multi strand anchorage system.2) Parts: anchor, wedge, ...