A Guide To Girder Trusses

Beam to Girder Connection Example Using ASDIP STEEL | ASDIP

A bridge built with steel girders is 500 m in length and 12 m in width. Expansion joints are provided to compensate for the change in length in the support girders as the temperature fluctuates. Each expansion joint can compensate for maximum of 40 mm of change in length. From historical records it is estimated that the minimum and maximum temperatures in the region will be 35C and 38C, respectively: What is the minimum number of expansion joints required?

Building L-Girder Benchwork for Model Railroads