Bridge Engineering2D
Bridge Bearings and Expansion Joints - Theory & Concepts - Bridge Bearings And Joints
Understanding the function and types of bearings, seismic isolation systems, and expansion joints in accommodating bridge movements.
Open the complete lessonThermal Expansion & Joint Sizing
Kinematic CalculatorSuperstructure Material
Expansion Length (L)100 m
Temp Change (ΔT)+30 °C
Calculated Movement (Δ)
36.0mm
Expansion (Joint Closes)The bridge expands outward from the fixed bearing. The expansion joint and bearings at the other end must be sized to safely accommodate the total calculated movement Δ.