LKI/Lab Equipment/Test Facilities

Test engineering

Aufspannfeld am LKI
© TU Graz/LKI

The tensioning field (10 x 20 m)

  • Two-row "prestressed concrete box girder" separately founded and with a 1.0m thick tensioning slab (two-axis and two-layer prestressed)
  • Steel tensioning rails at 0.5m intervals Tensioning grid: 50x50(100)cm Anchor force per anchorage: max. 500kN
  • Underfloor hydraulic ring line with taps
Prüfmaschine 1MN
© TU Graz/LKI

1MN testingmachine (2 pieces)
4 column test scaffold (column distance: 1 x 2,5m)

  • vertically adjustable transverse yoke with hydr. mech. clamping (clear height max. 2.7m)
  • longitudinally adjustable at the clamping field and coupled with the clamping field (hydr. pre-tensioned tie rods)
  • can be equipped with test cylinders (100kN and 1000kN)
Prüfmaschine 4MN
© TU Graz/LKI

3MN or 4MN testingmachine (1 piece)
4-column test scaffold (distance between columns: 1.5 x 3.5m)

  • vertically adjustable transverse yoke with passive clamping (clear height max. 5.0m)
  • longitudinally adjustable (l= ±3,5m) and coupled to the clamping field (hydr. pre-tensioned tie rods)
  • can be equipped with 1MN and 4MN test cylinders

© TU Graz/LKI

Reaction wall elements
modular reaction wall system

  • clamped to the clamping field
  • Modules in different sizes
Prüfzylinder 100kN
© TU Graz/LKI

100kN test drive (1 piece)
Servo-hydraulic test cylinder MTS F= ±100kN, hmax= 250mm

  • with foot plate or head and foot joint and spherical pressure plate
  • Load cell and deltap transducer
Prüfzylinder 1000kN
© TU Graz/LKI

1MN test drive (2 pieces)
Servo-hydraulic test cylinder MTS F= ±1000kN, hmax= 250mm

  • with foot plate or foot and head joints (the latter "backlash-free") as well as spherical pressure plate
  • load cell and deltap transducer
Prüfzylinder 4000kN
© TU Graz/LKI

4MN test drive (1 piece)
Servo-hydraulic hollow piston test cylinder

Fstat= ±4MN, Fdyn= ±3MN, hmax= 250mm, di= 250mm

  • spherical pressure plate (pendulum axis)
  • load cell and deltap transducer
  • Bending moment measurement X/Y
Universalprüfmaschine 1000kN
© TU Graz/LKI

Universal testing machine BETA1000
Fmax=1000kN, Compression hmax=1200mm, Tensile hmax=900mm

  • Crosshead speed: 0 to 200mm/min
  • High-precision electromechanical test frame with high lateral as well as axial stiffness
  • The lower test area is designed for tension/compression and alternating load tests up to the capacity limit
  • Main drive with low-inertia servo motor and digital position feedback
  • Constant speed of the moving crosshead, acting via a precise recirculating ball screw

© TU Graz/LKI

Hydraulic wedge clamping system
Fmaxstat=333kN, Fmaxdyn=250kN

  • Hydraulic tensioning system for tensile tests
  • for MTS 100kN, MTS 1MN and BETA1000
  • Connection thread: M36 x 2
  • Clamping jaws for round and flat specimens
  • specimen thicknesses:
    Round specimens: d=5mm to d=30mm
    Flat specimens: 1mm to 40mm

© TU Graz/LKI

Universal testing machine Shimadzu AG-50
Fmax=50kN, hmax=1000mm

  • crosshead speed: 0 to 1000mm/min
  • Tensile/compression and alternating load tests
Würfelpresse 5000kN
© TU Graz/LKI

Compression testing machine
Fmax= 5000kN, hmax= 80mm, maximum installation height: 380mm

  • spherical pressure plate
  • modular intermediate plates

© TU Graz/LKI

Torsion test rig
Mmax= 5000Nm

  • variable specimen mounting
  • Half shells for drill core mounting

© TU Graz/LKI

Tear frame
hydraulic prestressing frame

  • prestressing length: 4m
  • Fmax=1000kN

© TU Graz/LKI

Tensile adhesion tester
Hydraulic tensile tester

  • Strain Gauge applied tension spindle
  • for drill core and cylinder testing
Contact
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Laboratory for Structural Engineering
Inffeldgasse 24
8010 Graz
Tel.: +43 (0) 316 / 873 - 7051
Fax: +43 (0) 316 / 873 7061
lkinoSpam@tugraz.at

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