Water erosion causes severe soil damage in northern forests of Iran which is associated with different rut depths in skid trails. The aim of this study was to assess rutting and soil displacement on skid trails to mitigate water erosion. Therefore the research was carried out in eight parcels of district No 3 of Shafarood Forest in the North of Iran. In order to evaluate the amount of erosion i...

This paper proposes the use of neural network(NN-) based pavement structural analysis tools as surrogates for the flexible pavement response analysis in the new mechanistic empirical pavement design guide (MEPDG) developed for the American State Highway and Transportation Officials (AASHTO). Some of the recent successful applications of NN-based structural analysis models for predicting critica...

The use of Electric Vehicles (EV) seems to be a promising solution achieve sustainable road transport system. Among the contactless dynamic vehicle charging technologies, Charging Units (CUs)—cement concrete box—embedded into pavement favorable option. available scientific papers related structural effects embedding CUs in pavements consider CU as solid box, even if cavity is needed for electri...

Through a simple performance dynamic modulus test (SPT), standard rutting test, Hamburg French and asphalt pavement analyzer the resistance of mixtures in middle lower courses three semi-rigid base Beijing full-scale track road China was evaluated. The results show that can be greatly improved by using low-grade asphalt, especially 30# asphalt. SBS modified is also better. SPT indirectly charac...

The development of transportation plays an important role in the development of nation. With flexible pavements being widely used in India, steps must be taken to increase the life of the bituminous pavements. Flexible pavements are often plagued with problems of cracking and rutting due to repeated traffic loads. Hence one needs to address these problems in order to improve the performance of ...

1. Antler cycles of six adult male axis deer of southern Texas were relatively well synchronized within the herd. The old antlers were cast from December to March and regenerated antlers polished between March and June. The rutting season occurred in June and July. 2. LH and FSH exhibited little seasonal variation (LH 0.7-1.3 ng/ml; FSH 32-65 ng/ml). Prolactin levels were lowest in December (20...

Semen was collected from six dromedary camels using artificial vagina during rutting season. Liquefaction of the viscous semen occurred in 23.89 ± 1.49 h. During liquefaction, proteins with molecular masses of 24.55 kDa and 22.07 kDa appeared in conjunction with the disappearance of intact 26.00 kDa protein after 18-24 h. These proteins were identified as β-nerve growth factors (β-NGFs) in liqu...

To study the deformation resistance of steel slag asphalt mixtures (SSAMs) under rainy conditions, limestone–asphalt (LAMs) and SSAM were soaked in water at room temperature for 120 days rutting tests triaxial compression carried out. The results show that was improved after immersion, cohesion did not decrease significantly, internal friction angle increased by 25.1%; LAM decreased 27.1%, 21.1...