Long welded rails (LWR) are preferred in metro rail systems because they provide a smooth ride. They extremely sturdy, require less maintenance and safe to travel at higher speeds. Rail structure interaction (RSI), especially additional longitudinal stresses rail, is the major concern LWR. UIC standards limitations of stresses. This paper studies characteristics forces long used one Metro Railw...

Traffic incident duration is one of the most important parameters to describe traffic congestion intensity of expressways. Numerous measures have been developed to describe the characteristics of traffic incidents and the vast majority of these studies use data mining. Though they inform us the objective elements of the environment may influence traffic incident, the how question-via what way t...

Beautiful outdoor locations are protected by governments and have recently been shown to be associated with better health. But what makes an outdoor space beautiful? Does a beautiful outdoor location differ from an outdoor location that is simply natural? Here, we explore whether ratings of over 200 000 images of Great Britain from the online game Scenic-Or-Not, combined with hundreds of image ...

In the present work, rebars extracted from a reinforced concrete viaduct that had to be demolished has been studied because they broke in service with an unusual tilted pattern for without reduction diameter. The structure was bridge suffering alkali-silica reaction and reinforcement corrosion. determination of rebar's failure mode is very complex due, among other causes, their high degree degr...