E31.2 E32.2

Concrete Creep Testing System

UTSP-0400Concrete-Creep-Testing-Systems

UTEST Creep Testing System on Concrete specimen is designed to determine time - dependent deformation of concrete under sustained and constant load.

To find the creep strain of concrete, the deformation must be measured regularly over time, and then compared to companion unloaded specimens. Once the creep strain of the concrete has been obtained, the creep compliance can then be determined.

The machine has a capacity of 300 kN on each loading frame. The dimensions of the cylindrical specimens are 130x700 mm. One power pack is used for three frames.

The Concrete Creep Testing Systems comes complete with a loading frame, a data acquisition unit and a hydraulic power pack and load control system, which is used to apply a constant load on the cylindrical specimens.

Hydraulic Power PackHydraulic-Unit

The Power Pack has been manufactured to supply the frames with the power required.

The power pack works only when the load decreases on the sample which ensures that the oil does not over-heat, and the energy consumption is dramatically reduced. The unit has been designed so that sudden discharge of loads on the specimens will not occur when the electricity is down.

If the system requires hydraulic pressure, the Power Pack will work until the system reaches enough hydraulic pressure.

Frame

The frames of these systems have been manufactured with high stiffness construction, and stable loading on the specimens. Special seals are used to ensure frictions on the piston is on minimum value. There is a load adjustment valve located on the each frame to set the required load value. The frame loads can be adjusted independently on each frame by using those pressure valves.

Data Acquisition & Control Unit

The data acquisition unit collects and evaluates the data which has been obtained by the data logger using sensors. Each piston has a pressure transducer and on each sample there are two 0.001 mm accuracy displacement transducer attached to the sample with compression meter. It is also possible to connect temperature sensors to data acquisition system.

UTEST designs and manufacture the system according to the user specifications

VIC:

Melbourne

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t (03) 9938 3830

f (03) 9938 3899

m 0428 315 502

NSW:

Sydney

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t (02) 9986 1857

m 0418 381 709

QLD:

Brisbane

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t (07) 3040 6166

m 0419 477 715

 

WA:

Perth (Head Office)

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t (08) 9322 4020

m 0408 034 668

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