Modular expansion joint is a composed by side beam,intermediate beam,displacement controlling box,pressure-loaded bearing,pressure-firmed bearing,anchorage part and seal rubber tape. Each group has the same displacement value at:0-80mm,the number of group is confirmed by actual displacement value, Max. displacement at present reaches 1200mm.
XF type incline supporting expansiondevice
SSFB type straight expansion device
1.side beam 7.pressure-loaded bearing
2.intermediate beam 8.controled spring
3.intermediate beam joined block 9.seal rubber tape
4.supporting beam 10.roadway anchor bar
5.stainless steel sliding plate 11.box body anchor bar
6.pressure-firmed bearing 12.displacement controlling box
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