Equipment

Molds

© Silke Scheerer

• Standard steel molds for 10 cm and 15 cm cubes, cylinders (Ø = 150 mm, h = 300 mm) and prisms (10 × 10 × 40/50 cm, 15 × 15 × 60 cm and 16 × 4 × 4 cm)
• Formwork for standard tests on textile- and carbon-reinforced concrete
• Various specially shaped (e.g. for tensile strength tests on concrete) and custom-made molds and products

Mixers

© Harald Michler

• Zyklos ZK 50 HE (12–30 liters)
• Pemat/Zyklos ZK 150 HE (30–100 liters)
• Pemat PMPR 500 (100–350 liters)
• Cement mortar mixer, Otto Mondschein Maschinenbau type ZMM5

Concrete consolidation

© Tobias Walther

• Bottle vibrator
• Vibrating table
• Shock table
• Needle testing device
• Pore volume measuring device

Other equipment

• Vacuum chambers for concreting under negative air pressure
• Various scales, laboratory hotplates, vibrators
• Mortar spreading table and concrete spreading table, each with metal mold
• Slump testing device
• Two climate chambers in the standard climate area and drying cabinets
• Climate cabinets for a temperature range from –40 to 80 ° C
• Temperature and humidity recorders
• Concrete saws, core drilling machines, rotary hammers
• Double-surface grinding machine
• Cabinet for heat treatment of concrete components

© Silke Scheerer

Selection of equipment

• Extensive, well-assorted selection of standard tools
• Router, saw, pillar drills, steel planer
• Torque wrench
• Levelers

Selection of equipment

• Extensive, well-stocked selection of standard tools
• Router, jointer
• Workbenches
• Drill press
• Band saw, circular saw
• Planer

© Ulrich van Stipriaan

Strong floor in the Mohr hall

• Area: 21.0 × 6.0 m
• Grid: 1.50 m
• Capacity per test portal: up to 1 MN, can be combined
• Testing of individual elements up to 10 t weight and 5 m height possible

Strong floor in the technical center

• Area: approx. 15.0 × 10.5 m
• Grid: 1.50 m
• Load capacity up to 1 MN

Variable portal frames and equipment

• H_max = 4.00 and 5.25 m and 2 × H_max = 6.00 m
• Various load cells between 1 kN and 10 MN

• DB 6000-4,0:
  Maximum load: 6 MN pressure, variable clearance heights: up to 4.0 m
• DB 6000-1,5:
  Maximum load: 6 MN pressure, variable clearance heights: up to 1.5 m
• DB 3000-0,6:
  Maximum load: 3 MN pressure, variable clearance heights: up to 0.6 m
• DB 600:
  Maximum load: 600 kN pressure
• ZD 1000:
  Maximum load: 1 MN pressure resp. tension
• ZD 100:
  Maximum load:100 kN pressure resp. tension
• Tension-compression test machine (type Zwick) with three load axes:
  Maximum loads: 10, 50 and 250 kN pressure resp. tension

• Test cylinder system with at least two test cylinders each with maximum load heights between 10 kN and 1 MN
• Pulsator unit for cyclic loading with up to 5 Hz load frequency (depending on sample deformation)
• Hydropuls testing machine with two load frames:
  - frame 1: maximum static load: 1 MN compression or tension
  - frame 2: maximum static load: 250 kN compression or tension
  - maximum cyclic load: 80 % of the static value
• Z 100: maximum static load: 100 kN compression or tension, maximum cyclic load: 80 kN compression or tension
• Universal testing machine ZD 2500:
  - maximum static load: 2.5 MN compression or tension
  - maximum cyclic load: 500 kN compression or tension
  - maximum test frequencies and amplitudes (selection): 25 Hz – amplitude 3.0 mm | 10 Hz – amplitude 7.5 mm | 3 Hz – amplitude 25 mm

Triaxial testing machine (more details here)

© Ulrich van Stipriaan

• loads up to 200 kN in tension or 5 MN in compression per axle
• loads can be introduced using rigid plates or load-bearing brushes of different geometries
• test specimen: cubes with 10 cm edge length (standard), max. 30 cm cubes

Biaxial testing machine (more details here)

• max. 100 kN tension per axle

Triaxial cell

• 125 kN maximum vertical compression
• up to 5 MPa radial pressure
• specimen: cylindrical samples with a diameter of 2.54 cm and a height of 5.08 cm
• heating up to 150 °C possible

Horizontal 20 MN load frame (more details here)

• 10 MN current maximum load (can be upgraded to 20 MN)
• maximum (free) test length: 5 m for compression tests
• maximum (free) test length: 7.50 m for tensile tests

Horizontale Kettenzug­maschine

• Maximallast: 400 kN
• maximale Einspannlänge: 6 m

© Siavash Namari (TUD)

10 MN testing machine

• specimen sizes up to 2.5 m (width) × 15 m (length) × 3.7 m (height)
• currently maximum weight of specimens: 60 t (can be upgraded to 120 t)

Split Hopkinson bar for high-dynamic load tests

© Ulrich van Stipriaan

• maximum load rate of 35 m/s
• for testing cylindrical test specimens with Ø = 50 mm and ≤ 150 mm length for compression tests resp. ≥ 200 mm length for spallation tests
• kinetic energy of the impactor can reach up to 1.8 kJ

Biaxial split Hopkinson bar for high-dynamic load tests

© Ulrich van Stipriaan

• maximum load rate: 35 m/s
• test specimen: 60 × 60 × 60 mm
• kinetic energy of the impactor: up to 1.8 kJ per axle

Small drop weight test stand

• maximum fall height: 5.0 m
• maximum drop weight: 49.1 kg

Large drop test rig (drop tower) (more details here)

• free falling impactors and acceleration system
• maximum drop height: 11.0 m
• free falling configuration:
  maximum drop weight: 2500 kg, maximum impact speed: 15 m/s
• accelerated configuration:
  maximum drop weight: 160 kg, maximum impact speed: 160 m/s

© Ulrich van Stipriaan

• Devices for 3- and 4-point bending experiments for standard tests
• Model statics test rigs for the investigation of truss and shell models
• Creep stands with mechanical or pneumatic load generation
• Panel test stand
• Façade test stand for panels up to 2.4 × 2.4 m
• Test rig for shear tests
• Equipment for carrying out tests with variable temperature loading
• Test stand for testing panels under wind load
• Several control panels

• Various load frames for in situ tests on bridges, ceilings, columns, masts, railings, etc.
• Ultrasonic measuring device
• Profometer 3 (reinforcement location)
• Rebound hammer
• (Video) endoscopy device
• Equipment for taking drill cores

• Measuring amplifier
  - MGC, MGCplus
  - Quantum MX840
  - Spider 8
• Multipoint measuring device UPM100
• Close-range photogrammetry
  - AICON 3D system with four cameras and accessories
  - GOM ARAMIS 3D with two cameras (5 MP) and accessories
  - GOM ARAMIS 2D with four cameras (12 MP) and accessories
  - Various SLR and compact camera systems
• Transient recorder for measurements during high-speed tests
• AOS measuring device for fiber Bragg grating sensors
• Photron Fastcam SA5 high-speed cameras
• Devices for remote monitoring of measurements
• Data logger

• Strain gauges
• Inductive displacement transducers
• Fiber Bragg grating
• Strain and acceleration transducers
• Dynamic force sensors
• Laser vibrometer for non-contact displacement and velocity measurement over long distances
• Thermocouples and humidity sensors (air humidity)
• Extensometers
• Draw-wire sensor
• Anemometer

• Leveling instrument
• Theodolite
• Various distance measuring devices

• Inclinometer: Angle determination up to +/– 30°
• Inclinometer LSOC-0120: angle determination up to +/–3°
• Various mechanical length measuring devices, including dial gauges, setting strain gauges (Pfender/setting strain gauge type), micrometer or micrometer screw
• Hand-held shaker
• Magnetic measuring stand
• Spring tension meter
• Various force measuring clamps

Lift cranes

© Silke Scheerer

• Mohr hall: lifting capacity 5 t each
• Technical center, concreting hall area: lifting capacity 5 t
• Technical center, testing hall area: lifting capacity 10 t

Other

• Forklift truck (load capacity: 3.5 t)
• Welding equipment (electric and autogenous)
• Mobile oil pressure units
• Sandblasting unit
• Heavy-duty trucks, load capacity: 60 t
• Equipment for lifting and moving construction-related loads of up to 120 t using hydraulic lifting technology
• CNC milling machine with 3-axes-working area
• 3D printer for production of custom-made accessories

© Ulrich van Stipriaan