Tag Archive for Tag: Compression

Tag: Compression Member Design Example-LRFD

The design of a truss hanger by the AASHTO LRFD Specifications is presented subsequently. This is preceded by the following introduction to the LRFD member design provisions. LRFD Member Design Provisions Tension Members. The net area, An, of a member is the sum of the products of thickness and the smallest net width of each element. The width of each standard

View Article...

Tag: Compression Compression Members

Compression members should be configured so the main elements of the section are connected directly to the gusset plates, pins, or other members. For members consisting of parts connected by lacing or solid cover plates, the minimum thickness of the web plate, should not be less than: Outstanding Elements In Compression The width, in, of the outstanding elements of compression

View Article...

Tag: Compression Criteria for Built-Up Compression Members

Compression members should be designed so that main components are connected directly to gusset plates, pins, or other members. Stresses should not exceed the allowable for the gross section. The radius of gyration and the effective area of a member with perforated cover plates should be computed for a transverse section through the maximum width of perforation. When perforations are

View Article...

Tag: Compression Combined Bending and Compression

Design of a structural member for loading that induces both bending and axial compression should take into account not only the primary stresses due to the combined loading but also secondary effects. Commonly called P-delta effects, these result from two sources: (1) Incremental bending moments caused by buckling of the member that create eccentricity of the axial compression load with respect to the neutral axis,

View Article...

Tag: Compression Compression

Compressive forces can produce local or overall buckling failures in a steel member. Overall buckling is the out-of-plane bending exhibited by an axially loaded column or beam (Art. 6.17). Local buckling may manifest itself as a web failure beneath a concentrated load or over a reaction or as buckling of a flange or web along the length of a beam

View Article...