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Steel Rebar Reinforcement couplers tensile test ISO 15835

ISO 15835-1:2009 specifies requirements for reinforcement couplers, hereafter called couplers, to be used for splicing of steel reinforcing bars.

ISO 15835-1:2009 specifies requirements for couplers to be used for mechanical splices in reinforced concrete structures under predominantly static loads and additional requirements for couplers to be used in structures subject to high cycle elastic fatigue loading and/or to low cycle elastic-plastic reverse loading.

ISO 15835-1:2009 is intended to be applicable in relation to the various reinforced concrete design standards as well as in relation to the various standards for steel reinforcing bars.

ISO 15835-1:2009 also provides directions for the evaluation of conformity of couplers.

Rebar Coupler Tensile Testing Machine

Seismic testing of couplers for slippage requires cycling the specimen.
Comprised of two pieces of rebar joined by a coupler.
Tests can be tension-tension cycling only or demand through-zero cycling like the requirements of AC133, CS2, or ISO 15835.




Model WAW-300 WAW-600 WAW-1000
Max. load 300KN 600KN 1000KN
Measuring force range 2%~100%
Accuracy of load ±1% of indicated value
Accuracy of deformation ±0.5%, resolution: 0.01mm
Constant load, displacement, deformation control accuracy Setting value<10%FS, accuracy better than ±1.0%
Setting value≥10%FS, accuracy better than ±0.5%
Constant load, displacement, deformation control Range 0.4%~100%FS
Deformation rate control accuracy Rate<0.05%FS,accuracy ±2.0%
  Rate≥0.05%FS, accuracy ±0.5%
Deformation measuring Clip-on extensometer, standard gauge 50mm, extension 5/10/25mm
Max. tensile space 800mm 800mm 750mm
Max. compression space 700mm 700mm 600mm
Flat specimen range 0~15mm 0~30mm 0~40mm
Round specimen range φ6~φ26mm φ13~φ40mm φ13~φ60mm
Compression platen dia. φ130mm φ130mm φ160mm
Bending support roller distance 350 mm 350 mm 350 mm
Bending roller width 140mm 140mm 140mm
Bending roller dia. 30mm 30mm 30mm
Piston stroke 250mm 250mm 250mm
Max. piston speed 80mm/min 80mm/min 80mm/min
Clamping mode Hydraulic automatic
Dim. of frame 920*580*2350mm 1060*700*2850mm
Dim. of control box 1120×600×920mm
Weight 2600kg 4500kg
Standard Accessories Load frame, servo oil source, control box, servo valve, Japan Nachi Pump; oil pressure sensor (Load cell is optional), liner displacement sensor, tensile test Jaws, compression platen, bending test accessory, PC, printer, Professional software, tools, anchor bolts, operation manual
Load frame,
servo oil source,
control box,
servo valve,
Japan Nachi Pump;
oil pressure sensor (Load cell is optional),
liner displacement sensor,
tensile test Jaws,
compression platen,
bending test accessory,
PC,
printer,
Professional software,
tools,
anchor bolts,
operation manual
ISO 15835-1:2009 ?
Steels for the reinforcement of concrete -- Reinforcement couplers for mechanical splices of bars -- Part 1: Requirements
    
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