Overview
The revolutionary ZORN Asphalt Tester can be used alternately for the following test procedures.
- Release test according to "Supplementary notes on opening asphalt pavements to traffic" (H VVA), FGSV Germany, edition 2022
- Determination of the elastic surface deformation and determination of a deformation modulus Evd Asphalt (non-standardized)
Prototypes of an asphalt tester LWD had been available from ZORN already since 2010, but have now been radically revised.
The device hardware can be taken apart into three component blocks that can easily be lifted by one person and transported in any passenger car. At the test site, the operator swiftly reassembles these three blocks in a few simple steps. When put together, the ZORN Asphalt Tester does not require a separate trolley or similar device for transport on site. The operator simply rolls the device comfortably between measuring points on large, integrated wheels. Once there, the drop weight section is moved from transport into the measuring position with a click and testing can begin.
The ZORN Asphalt Tester is controlled wirelessly by means of a tablet computer. The tablet computer is connected to the sensors of the tester via Bluetooth (acceleration & temperature). The easy-to-use control software also offers the possibility to seamlessly create test reports and send them to co-workers or clients online. ZORN Asphalt Tester - consistently digital and connected!
- Specially developed dynamic stamp indentation test for freshly laid asphalt
- Modified Light Weight Deflectometer with 15 kg loading mechanism
- Testing the elastic defor-mation of freshly laid asphalt, by a 50 mm test plunger pressed dynamically and vertically against the surface.
- Applicable in a temperature range of ≤ 60 °C
- Calibrated impact force of 9,42 kN/m²
The test device simulates moving traffic and allows the deformation resistance of the asphalt layers to be assessed. The deformation of the asphalt is determined via the plunger movement. The acceleration sensor provides precise data on the settlement and speed of the plunger. The respective values flow into the calculation of the characteristic value Avf in percent. The ZORN AT 2.0 performs this calculation automatically for each test point.
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