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Thermal Linear Expansion of Bridge

by STEAM3D

Description

An expansion joint is a gap between two parts of a structure, designed to accommodate changes in length caused by factors such as material properties or temperature fluctuations. This joint helps prevent damage that might occur from the expansion or contraction of the structure. The width of the expansion joint is determined by factors such as the length of the structure, environmental conditions, and temperature variations. The model illustrates a bridge with an expansion joint. When temperatures rise, the bridge material absorbs heat, increasing its internal energy. This causes the particles in the material to move more rapidly and over greater distances from their equilibrium positions, leading to thermal expansion. To prevent permanent damage, the expansion joint is strategically placed between the bridge and the ends of the roadway, allowing the bridge to expand and contract without causing structural harm.