→5 strand specimens with diameters greater than or equal to 12.5mm are fixed on the deflection device at 20° with the core shaft for axial tensile test to determine the maximum force reduction coefficient D of the strand. →Skew tensile testing machine, deflection tensile testing machine →ISO 15630-3, ISO 6934-3, ISO 6934-4, ISO 14655, AS NZS 4672.2, ASTM E328-2013, ASTM A416/A416M-2012A, ASTM A882/A882M, BS 5896-2012 →12.5mm-13.0mm steel strand skew tensile testing machine, 15mm-16mm steel strand skew tensile testing machine, 17mm-18mm steel strand skew tensile testing machine, 21.8mm steel strand skew tensile testing machine, 28.6mm steel strand skew tensile testing machine, specimen L1=(700±50)mm, L2≥750mm, a=20°±0.5°. The shaft of the deflected tensile mandrel shall be perpendicular to the plane formed by the movable fixture, the fixed fixture and the center of the mandrel
→500kN/600kN/1000kN steel strand skew tensile testing machine, 600kN/1000kN multiply strand tensile testing machine, automatic steel weight deviation tester |