ABSTRACT

Figurelashowsbolt2initiallytightened.Inthiscasethejointconsistsofaboltedflange andgasket.Localcompressionofthejointoccursunderbolt2.Whentheadjacentbolt1is tightened,additionalcompressionofthejointisshowninFigurelb.Thepreloadisreduced inbolt2asshown.Whenbolt3istightened,additionalcompressionofthejointoccurs,with additionallossinpreloadofbolts1and2asshowninFigurelc.