What is shear lag effect?(a) the phenomenon of non uniform bending stress not due to influence of shear strain induced on bending stresses in flanges(b) the phenomenon of uniform bending stress not due to influence of shear strain induced on bending stresses in flanges(c) the phenomenon of uniform bending stress due to influence of shear strain induced on bending stresses in flanges(d) the phenomenon of non uniform bending stress due to influence of shear strain induced on bending stresses in flangesThis question was posed to me during a job interview.I want to ask this question from Design Strength of Laterally Supported Beams in chapter Design of Beams of Design of Steel Structures

What is shear lag effect?(a) the phenomenon of non uniform bending str

1.	What is shear lag effect?(a) the phenomenon of non uniform bending stress not due to influence of shear strain induced on bending stresses in flanges(b) the phenomenon of uniform bending stress not due to influence of shear strain induced on bending stresses in flanges(c) the phenomenon of uniform bending stress due to influence of shear strain induced on bending stresses in flanges(d) the phenomenon of non uniform bending stress due to influence of shear strain induced on bending stresses in flangesThis question was posed to me during a job interview.I want to ask this question from Design Strength of Laterally Supported Beams in chapter Design of Beams of Design of Steel Structures
Answer» The correct answer is (d) the phenomenon of non uniform bending stress DUE to influence of shear strain induced on bending stresses in flanges The best explanation: The shear strain induced INFLUENCES bending stresses in flanges and causes sections to warp. This consequently modifies the bending stresses DETERMINED by simple bending theory and RESULTS in higher stresses near junction of web to flange elements with stress dropping as DISTANCE from beam web increases. The resultant stress distribution across flange is therefore non uniform and this phenomenon is known as shear lag.

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Which of the following are not correct regarding design of beams with openings?(a) diameter of circular opening should be restricted to 0.5D(b) for rectangular stiffened openings depth should be less than 0.7D and length less 2D(c) for rectangular unstiffened openings, depth should be less than 0.5D and length less than 1.5D(d) point load should be applied within a distance d from adjacent openingThis question was addressed to me in an interview for internship.My question is taken from Deflection & Holes in Beams in portion Design of Beams of Design of Steel Structures
Which of the following are correct regarding design of beams with openings?(a) web opening should be away from support by twice the beam depth(b) hole should be eccentrically placed in web(c) hole should not be placed within middle one third of the span(d) clear spacing between openings should be less than beam depthThis question was posed to me in an online quiz.This key question is from Deflection & Holes in Beams in section Design of Beams of Design of Steel Structures
The most critical location for failure due to web crippling is(a) flange cross section(b) middle of web(c) start of fillet(d) root of filletThe question was posed to me in an interview.Query is from Web Buckling & Crippling in portion Design of Beams of Design of Steel Structures
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