In addition, recent developments in materials science have improved the performance of both of those types of expansion joints. fifteen. Use two wrenches when tightening bolts. When tightening the back up rings of rubber flanges, tighten bolts in cross sample sequence until eventually the rubber flange bulges uniformly in between https://arthurmgyrk.getblogs.net/71932123/a-review-of-ejma-compliant-expansion-joints-india