This is called Switch Expansion Joint (SEJ) installed at both ends of a Long Welded Rail (LWR). You can search with the terms for knowledge. There is another type of SEJ called 'thick web SEJ' which looks different than the one you clicked ( Thick web SEJ picture attached ; Credits: Asif)
please wait...Translate to EnglishThis thing is called a Switch Expansion Joint (SEJ) and it's put at both ends of a Long Welded Rail (LWR). If you wanna know more, search with those fancy words. There's also another type of SEJ called 'thick web SEJ' that looks different from the one you clicked on (check out the picture of the Thick web SEJ attached; Credits: Asif).
please wait...Translate to HindiYeh hai Switch Expansion Joint (SEJ) jo Long Welded Rail (LWR) ke dono end me install hota hai. Knowledge ke liye terms ke saath search kar sakte ho. Ek aur type ka SEJ hai jo 'thick web SEJ' kehlaya jata hai aur yeh alag dikhata hai jaisa tumne click kiya hai (Thick web SEJ picture attached ; Credits: Asif)