DSHD -0719 Automatic Wheel Tracking Tester
1) DSHD -0719 Automatic Wheel Track tester is made as per T0719 in the Industry Standard JTJ052 Specification and Test Methods of Bitumen and Bituminous Mixture for Highway Engineering.
2) DSHD -0719 Automatic Wheel Track tester is specially applied to determine the resistance to rutting of bituminous mixture at high temperature.
3) DSHD -0719 Automatic Wheel Track tester can also be used as an auxiliary check method during bituminous mixture ratio design.
Technical Data Sheet
|1||Applicable standards||JTJ052 T0719-2000|
|2||Rolling speed of roller||42±1 times/minute (one way)|
|3||Moving distance of test vehicle||230±10mm|
|4||Hardness of rubber of rolling wheel||78±2 (International Standard Hardness)|
|5||Pressure between rolling wheel and test mold||0.7±0.05Mpa (60 ℃)|
|6||Measurement range of displacement||0~30 mm|
|7||Measurement accuracy of displacement||Less than ±0.005 mm|
|9||Temperature controlling range of constant temperature case||Room temperature~80℃; Accuracy is ±0.5℃|
|10||Power supply||380 V, 50 Hz|
|11||Size of main unit||1510mm*1058mm*1460mm|
|13||Size of test mold|| 300mm×300mm×50mm; It can be used to make rutting |
test for test sample of 30~150mm in thickness