Load Frame for Flexural Strength Tests – Model 2078

Load frame for standard-compliant flexural strength tests on concrete bars, concrete stone products, building material specimens and components.

  • Accuracy:    Quality Class 1 / EN ISO 7500-1 / DIN 51220
  • Sizes:           200 kN / 300 kN

 

Key benefits for the user:

✓ Large test area dimensions
✓ Max. expansion of 0.1 mm / 100 kN
✓ Prepared for the connection to a ToniNORM-Powerbox as standard
✓ High measurement accuracy due to load measurement directly in the flux of force
✓ Extremely torsion-resistant, four-column load frame with pre-stressed column/cross head connection
✓ Easy installation of the specimens from the front, e.g. by means of a forklift or a pallet truck
✓ Combinable with up to two further load frames of the modular system ToniNORM
✓ Load measurement by high precision load cell on DMS basis

For the load frame 2078 are various load applying tools, a wide range of accessories and many optional extensions available.

Description

Operating Principle

The load frame is driven by the ToniNORM power box and is controlled by the ToniTROL measuring and control system. The tests are prepared, performed, monitored and evaluated by the ToniTROL or by a PC with the optional software testXpert. The control is realized by a servo valve in a cloosed loop servo system.

 

Optional Accessories

Test Area Protection: Test area protection with safety interlock and circuit. (required compression tests) Model 2078.xxxx.82

Set of Pressure Plates with Ball Seat diameter of the pressure plates: 180 mm Model 2078.0300.031

Equipment according to ASTM C78: Equipment for flexural strength tests with third-point load, consisting of an upper beam with two adjustable load-applying blocks and the lower beam with two adjustable support blocks Model 2078.99:

Simple Beam according to ASTM C293: for flexural tests by the center-point loading method Model 2078.xxxx.077.

 

Equipment according to ASTM C1550

For testing the flexural toughness of fiber reinforced concrete slabs Ø 800 mm ± 10 mm x 75 -5/+15 mm, consisting of the base frame with three supports; support distance Ø 750 mm, loading piston Ø 100 mm with hemispherical end R=80 mm Model 4130.

 

Measuring Bridge for Model 4130 

For the use with the equipment according to ASTM C1550 (model 4130) to measure the displacement directly on the specimen, consisting of: base frame, inductive displacement transducer with 100 mm measurement length and pre-amplifier; ready for connection to the ToniTROL Model 4130.001 .

 

Equipment according to EN14488-5

For testing fiber-reinforced, plate-type specimens 600 mm x 600 mm x 100 +5 mm, consisting of a support frame with inner dimensions of 500 ±2 mm x 500 ±2 mm and a stamp with pressure plate (contact surface) of 100 ±1 mm x 100 ±1 mm x 20 ±1 mm. Model 4131.

 

Support according to DIN EN 12390 

With two support rollers Ø 20 mm x 508 mm Model 2078.xxxx.40.

 

Simple Beam according to DIN EN 12390

With one loading roller Ø 20 mm x 508 mm for centered load application of the specimen Model 2078.xxxx.029.1.

 

Equipment according to DIN EN 12390 

with two loading rollers Ø 20 mm x 508 mm for the 2-point load application of the specimen Model 2078.xxxx.030.1.

 

Displacement Transducer acc. to DBV handout

For the displacement controlled determination of the dimensioning base of steel fiber concrete; frame for concrete beams 150 x 150 x 600 – 700 mm; adjustable support distance of 450 mm to 600 mm or frame for concrete beams 200 x 200 x 800 mm; support distance 600 mm. Model 0728.

 

Displacement Transducer acc. to ASTM C1609

For the displacement controlled determination of the dimensioning base of steel fiber concrete; frame for concrete beams 100 x 100 x 350 – 500 mm; adjustable support distance of 262.5 mm to 450 mm Model 0729.

 

Displacement Transducer acc. to DIN EN 14651

For the displacement controlled determination of the dimensioning base of steel fiber concrete; frame for concrete beams 150 x 150 x 600 mm; support distance 500 mm Model 0730.

Additional information

Max. test load

2078.0200 = 200 kN 2078.0300 = 300 kN

Distance between the columns

2078.0200 = 970 mm 2078.0300 = 970 mm

Piston stroke

250 mm

Support distance (adjustable)

100…900 mm

Total height

1800 mm approx.

Width x depth

1250×800 mm approx.

Weight gross/net

2078.0200 = 2200/2150 kg approx. 2078.0300 = 2500/2350 kg approx.

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