Butt welding they all are named with their particular shape. The joint also known as a square groove weld has many different forms in order to connect pieces of metal together and are all capable of bearing loads. There are many different types of joints such as lap joints, tee joints, butt joints, and also corner joints. Lap joints are two pieces that are end-over-end and welded together whereas butt welds are put end to end and connected that way. Butt welds are connected to each other with the thickness of the parent metal. There are many different kinds of butt welds
Mitre Line announced the construction of a viaduct for the Retiro–Tigre branch of Mitre Line. The viaduct would extend along the city of Buenos Aires, from Dorrego Avenue in Palermo to Congreso Avenue in Núñez. Works began in September 2017, and when the viaduct is finished, eight level crossings will be removed. Trains will run elevated for a total of 3,9 kilometers. The project also includes a total refurbishment of Lisandro de la Torre and Belgrano C stations. Current Mitre Line services as of February, 2015: Mitre Line The Mitre line is an Argentine broad gauge commuter rail service in Buenos Aires