Web29 use erection bolts meeting AASHTO M 164 for Type 3 bolts. 30 After field welding the connection, leave the erection bolt in place with at least the minimum 31 bolt tension shown in Table 440-1. Use holes that are 3/16" larger than the nominal erection 32 bolt diameter. 33 440-7 FIELD WELDING WebApr 6, 2024 · Three main types of bolts are currently used: 1) A307 designated unfinished, lowest capacity, used as erection bolts; 2) A325 (heat treated, 120 ksi minimum tensile strength); and 3) A490 (heat treated, 150 ksi minimum tensile strength), also designated high-strength. Bolts are shipped to a site in lots with test certificates.
The Ultimate Guide To The Design and Construction of Structural …
WebErection bridging terminus point Notifications regarding repair, replacement and modifications of anchor rods (anchor bolts) Columns and beams (including joists and … WebAug 15, 2002 · This is in response to your letter of January 7, 2002, to Rob Medlock, Occupational Safety and Health's (OSHA) Area Director in Cleveland, asking for clarification of steel erection joist field bolting requirements in the new steel erection standard, 29 CFR part 1926 subpart R. Your inquiry was forwarded to this office. chute burroughs
6.6 Methods for Pretensioning Connections - AISC
WebMar 26, 2024 · Follow the bolting instructions in the erection plan. Use retaining rings on impact sockets. Secure area below with flagging or … WebMade from Grade 8 steel, these screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% … WebProvisions in the RCSC Specification Section 8.2 include five methods for high-strength bolt pre-tensioning. The use of these procedures is governed by the provisions listed below: turn-of-nut method, calibrated wrench method, twist-off tension-control bolt method, direct tension indicator method, and the combined method. chute burgos