UPSC ESE 2025 Civil Engineering Paper

Question : 75 of 150

Marks: +1, -0

Portal bracings are provided at one end of the truss girder bridge in the plane of end posts
In addition to the lateral force due to wind, the bracings are also designed to carry a lateral shear equal to $1 \; \frac{1}{4}$ percent of the total compressive force in two end posts
The maximum wind load of loaded span is taken into consideration
Portal bracings are generally provided in more than one plane, located anywhere except in the central transverse plane of end posts

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