| Preparation of Teaching Resource Material |
| Sponsored by : Ministry of Steel, Government of India |
| Workshops for University Faculty (June - July 2001) |
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| K |
Buckling coefficient of an element |
| l |
Length of a member between support points |
| le |
Effective length of a member |
| Lw |
Length of a weld |
| M |
Applied moment on a beam |
| Mb |
Buckling resistance moment |
| Mc |
Moment capacity of a cross section |
| Mcr |
Critical bending moment to cause local buckling in a beam |
| Mcx |
Moment capacity in bending about the x axis in the absence of Fc and My |
| Mcy |
Moment capacity in bending about the y axis in the absence of Fc and Mx |
| ME |
Elastic lateral buckling moment of a beam |
| Mp |
Plastic moment capacity of a section |
| Mx, My |
Moment about x and y axes respectively |
| My |
Yield moment of a section |
| N |
Number of 90 degree bends in a section |
| Pbs |
Bearing capacity of a bolt |
| Pc |
Buckling resistance under axial load |
| Pcs |
Short strut capacity |
| Pe |
Elastic flexural buckling load (Euler load) for a column |
| Pex, Pey |
Elastic flexural buckling load (Euler load) for a column about x and y axes respectively |
| Pfs
| Shear capacity of a fastener |
| Pft |
Tensile capacity of a fastener |
| Ps |
Shear capacity of a bolt or Shear capacity of a spot weld |
| PT |
Torsional buckling load of a column |
| PT |
Tensile capacity of a member or connection |
| PTF |
Torsional flexural buckling load of a column |
| Pv |
Shear capacity or shear buckling resistance |
| Pw |
Concentrated load resistance of a single web |
| Pc |
compressive strength |
| Pcr |
Local buckling stress of an element |
| Po |
Limiting compressive stress in a flat web |
| Pv |
Shear strength |
| Py |
Design strength of steel |
| Pw |
Design strength of weld |
| Q |
Factor defining the effective cross-sectional area of a section |
| qcr |
Shear buckling strength of a web |
| r |
Inside bend radius or Radius of gyration |
| rcy |
Radius of gyration of a channel about its centroidal axis parallel to the web |
| ri |
Radius of gyration of an I section |
| ro |
Polar radius of gyration of a section about the shear centre |
| rx, ry |
Radii of gyration of a section about the x and y axes respectively |
| Zp |
Plastic modulus of a section |
| S |
Distance between the centres of bolts normal to the line of applied force or, where there is only a single line of bolts, the width of the sheet or Leg length of a fillet weld or Standard deviation |
| Sp |
Staggered pitch, i.e. the distance, measured parallel to the direction of stress in a member, centre-to-centre of holes in consecutive lines |
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