Application
→It is mainly used in determination of mechanical anchor bearing capacity under repeated pull-out test for concrete crack.
→Adopting horizontal structure loading frame. With double-action piston cylinders for load application and load measurement, pull-wire encoder for displacement measurement,grating displacement sensor for crack width.
→With computer for test process control, automatic data analysis and processing and test results storage.
→With 25T servo actuator for tensile fatigue test, frequency less than 10HZ.
→Comply with standards:
GB/T 2611-2007 General technical requirements for Testing Machines
GB/T 16826-2008 electro-hydraulic Servo Universal Testing Machine
JJG 1063-2010 electro-hydraulic Servo Universal Testing Machine
JJG 139-2014 Tensile Compression and Universal Testing Machine
JG/T160-2017 Mechanical Anchors for Concrete
Technical Specification
→Max. tensile load: 1000KN/cylinder, 2000KN in total
→Tensile fatigue load: 250kN, frequency less than 10Hz
→Measurement range of load: 2% ~ 100%FS
→Load accuracy: ≤±1%
→Piston stroke: ±100mm
→Tensile fatigue amplitude: ±100mm
→Loading rate: 600N/s ~ 60KN /s, computer automatic control display
→Displacement resolution: 0.01mm, piston displacement rate 0.1 - 100mm/min
→Load measurement method: with load sensor for load measurement
→Crack width measurement method: grating displacement sensor, resolution 0.01mm, max. measurement width: 30mm
→Span of load frame:more than1350mm
→Power supply: 380VAC/50Hz