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External dimensions |
3320*2400*2280mm （L*W*H） |
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Weight |
about 2.3 T |
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Power |
AC220V 50HZ |
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Sample: Maximum single mattress |
2400mm×2400mm×440mm |
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Operating system |
manual system + automatic system |
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Hard and soft display |
Digital and text |
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Control mode |
computer control |
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Pavement durability test device |
1)the rotating moment of inertia of the roller is (0.5±0.05) Kgm2, loading frequency :(16±2) times /min, the static load :(1400±7) N, test times : > 30000 times. 2) roller: oval shape, external dimension tolerance : ±2mm, length: (1000±2)mm, friction coefficient: (0.2 ~ 0.5), chamfering Angle of roller: R30, maximum diameter of roller: 300±1mm; 3) Servomotor: Panasonic 4) test trip: about 250mm of the center line of the mattress; 5) the accuracy of the force measuring device shall not be less than 1%, the accuracy of the size device shall not be less than 1mm, and the position deviation of the loading block shall be ±5mm. |
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Height measuring device
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1) height measurement accuracy: ±0.5mm; 2) height measuring pad: the measuring surface is a flat and smooth rigid cylinder; 3) diameter of measuring pad: 100mm, chamfering R10; 4) application speed of the pad: 100±20mm/min; |
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Hardness test device |
1) loading capacity: 1000N; 2) running speed during loading and unloading :(90±5) mm/min, the system can reach any setting of 0.01-200mm/min; 3) the hardness value (Hy) of the mattress is the average value of the slope (ratio of loading force N to sag depth mm) of the loading deflection curve at 210N, 275N and 340N; |
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Side durability test device |
1) loading pad size: 380*495*75mm. 2) vertical downward loading force: 1000N 3) total number of tests: 5000 4) holding time :(3±1) s |