Fatigue test device and fatigue test method for equal-thickness pavement structure on basis of MTS
A technology for pavement structure and fatigue testing, which is used in the application of repetitive force/pulsation force to test the strength of materials, etc., which can solve the problem of high test costs (each cost is in the hundreds of thousands to several million, cannot be widely promoted, and the loading period is long. and other problems, to achieve the effect of large variation range of loading parameters, easy popularization and application, and short loading cycle.
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[0025] The present invention will be further described below in conjunction with the drawings and embodiments.
[0026] Such as figure 1 As shown, a structural schematic diagram of the fatigue test device for a uniform thickness pavement structure based on MTS of the present invention is given, which includes MTS loading device 1, subgrade pavement model 2, MTS acting head 7, loading head 8, sensor 14, rubber layer 15. . The MTS loading device 1 shown is composed of two bases 3, two vertical beams 4, a cross beam 5, and a driving rod 6. The two bases 3 shown are fixed on the foundation, the vertical beam 4 is fixed on the base 3, and the cross beam 5 is shown. Fixed at the top of the two vertical beams 4, the driving rod 6 is arranged on the cross beam 5. The MTS acting head 7 is fixed on the top end of the driving rod 6. Under the driving action of the driving rod 6, the MTS acting head 7 can move up and down to load the subgrade road surface model 2.
[0027] The roadbed paveme...
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