A truck, with four wheel configuration and has loads as shown, will cross to a 12 m span bridge. A bridge engineer need to design a bridge section to accommodate these types of trucks and make some cases in selecting a cross-section beam 30 kN 20 kN 40 kN 50 kN -2 m 4 m 1 m -12 m Case 2: Among these 5 steel sections, which of the following is economical if the allowable flexure capacity is 175 MPa and allowable maximum shear of 250 MPa? B (mm) 264.54 S (x103 mm³) Q (x103 mm³) 1 (x106 mm“) Steel Section Area (mm2) W 10 x 112 W 10 x 110 W 10 x 88 W 10 x 77 W 10 x 68 21226 2065 1036 298 262.64 18968 1835 910 259 260.73 16710 1614 789 222 258.83 14581 1408 680 189 257.30 12903 1241 592 164

A truck, with four wheel configuration and has loads as shown, will cross to a 12 m span bridge. A bridge engineer need to design a bridge section to accommodate these types of trucks and make some cases in selecting a cross-section beam 30 kN 20 kN 40 kN 50 kN -2 m 4 m 1 m -12 m Case 2: Among these 5 steel sections, which of the following is economical if the allowable flexure capacity is 175 MPa and allowable maximum shear of 250 MPa? B (mm) 264.54 S (x103 mm³) Q (x103 mm³) 1 (x106 mm“) Steel Section Area (mm2) W 10 x 112 W 10 x 110 W 10 x 88 W 10 x 77 W 10 x 68 21226 2065 1036 298 262.64 18968 1835 910 259 260.73 16710 1614 789 222 258.83 14581 1408 680 189 257.30 12903 1241 592 164

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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