As per IS 800 ∶ 2007, when transverse stiffeners are not provided in a plate girder, the ratio of web connected to flanges along both longitudinal edges shall be ________. Where d = depth of the web, t_w= thickness of the web and ε_w = yield stress ratio of web.

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DDA JE Civil Official Paper (Held On: 28 Mar, 2023 Shift 2)

Answer 1

Explanation:

Web thickness:

(i) Initiallly the web thickness can be assumed as 6 mm (if painted) or 8 mm (if unpainted).

Minimum web thickness based on serviceability requirement:

As per CI. 8.6.1 of IS 800:2007,

(i) When transverse stiffeners are not provided and web-connected to flange along both longitudinal edges,

(ii) When transverse stiffness are not provided and web-connected to flanges along one longitudinal edge only