Description of? Bridge expansion joint ? Dacheng Finger Type Bridge Expansion Joints system comprises of 8 NO. Standard models designed to accommodate movement up to 330mm by shear deformation of the elastomer between the steel components. Each model of our Finger Type Bridge Expansion Joints incorporates steel angles designed to be bolted to the structural deck and a steel bridging plate system which spans the open joint gap. The elastomer case is highly resistant to oils, solvent spillage and the trafficked surface includes an anti-skid pattern for safety having a rubber to rubber coefficient of static friction of 0.69. Each model of our Finger Type Bridge Expansion Joints is specifically designed to accommodate horizontal and skew movement and will also accommodate vertical movement due to rotation of up to 6mm. ? Application of??Bridge expansion joint??? ? Finger Type Bridge Expansion Joints is used in Highway bridge decks, Service ramps, Multi- storey car parks and so on. Finger Type Bridge Expansion Joints is used to prevent buildings or bridges appear some cracks because of climate change. ? ? Construction?programs?of? Bridge expansion joint ?? ? ? (1)?Set?out?and?cut?Finger?Type?Bridge?Expansion?Joints. ? ? ? (2)?Excavate?and?clean?the?Finger?Type?Bridge?Expansion?Joints?area. ? ? ? (3)?Drill?holes?to?locate?the?anchor?bolts. ? ? ? (4)?Place?the?rebar?mat?and?mold. ? ? ? (5)?Pour?bottom?concrete?layer. ? ? ? (6)?Install?comb-shaped?steel?plate. ? ? ? (7)?Pour?side?concrete. ? ? ? (8)?Maintenance?the?Finger?Type?Bridge?Expansion?Joints.? ? ?