Hainan Steel teach you: connect ordinary steel bolt construction engineering construction general requirements

Hainan Steel - Guangzhou Katsukuni ordinary steel bolts as a permanent attachment bolts shall meet the following requirements:
① general bolting, bolt head and nut flat washer should be placed below, to increase the bearing area.
② bolt head is placed below the washer should not normally be more than two, nut washer under the head should generally be more than one.
③ design requirements for relaxation bolts, anchor bolts should have a means of relaxation spring washers or nuts, or take measures to relax by artificial means.
④ to withstand dynamic loads or important parts of the bolt connection, the design requirements should be placed spring washers, spring washers must be provided at the side of the nut.
⑤ For the beam, channel type of steel should be used oblique washers, nuts and bolts of the support surface is perpendicular to the screw head.