Van Asbeck Apparatus

Van Asbeck Apparatus

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Product Description

Van Asbeck Apparatus

Description of Van Asbeck Apparatus

DIDAC Export offer an optimum quality of Van Asbeck Apparatus. The offered product is manufactured and designed using the finest quality components with the help of contemporary technology. The offered product is delivered to our buyers only after its proper checking on different such as dimensional accuracy, performance, finish, etc

The scope of Van Asbeck Apparatus is to test and assess the flexibility property and related impermeability to water under pressure of hydraulic bituminous mixes to be used to cover the water storage of dams. The Van Asbeck Apparatus consists essentially of a steel cylindrical cell divided in two sections: the upper part that is the under pressure water container and the lower part consisting of a cone with opening in the lower end. These two parts are clamped together by two flanges with the interposition of a 50 cm ID steel ring which contains the compacted bituminous sample. The lower conical part has to be filled by 2-2.5 mm dia. Of glass spheres which support the compacted 50 cm diameter slab when it is subjected to 3 bar water pressure. The valve of the lower conical end is then opened and the glass spheres are removed at a rate of 250 g every 15 minutes to a total of 5 kg, thus forming a hollow space under the slab to a maximum depth of 5 cm. The water pressure is then maintained for another 5 hours. The asphalt slab should remain impervious during this flexibility test, even is fine surface cracks develop in the bottom of the slab.

The Van Asbeck Apparatus Includes:

  • Steel cylindrical cell
  • Air pressure regulator
  • Safety valve
  • Series of inlet/outlet/water discharge /overflow valves
  • Manometer
  • Level indicator


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