Design of Steel Structure The portal bracing in a truss bridge is used to Transfer load from top of end posts to bearings Stiffen the structure laterally Prevent the sides-way buckling of top chord Keep the rectangular shape of the bridge cross-section Transfer load from top of end posts to bearings Stiffen the structure laterally Prevent the sides-way buckling of top chord Keep the rectangular shape of the bridge cross-section ANSWER DOWNLOAD EXAMIANS APP
Design of Steel Structure The slenderness ratio of lacing bars should not exceed 180 145 120 100 180 145 120 100 ANSWER DOWNLOAD EXAMIANS APP
Design of Steel Structure The effect of racking forces is considered in the design ofi) lateral bracesii) chord membersThe correct answer is only (i) only (ii) None of these both (i) and (ii) only (i) only (ii) None of these both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Design of Steel Structure The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (where, t = the web thickness in mm h = the outstand of stiffener in mm) 175 t2/h 125 t2/h 75 t2/h 125 t2/h 175 t2/h 125 t2/h 75 t2/h 125 t2/h ANSWER DOWNLOAD EXAMIANS APP
Design of Steel Structure In case of timber structures, the form factor for solid circular cross-section is taken as 1.414 1.67 1.81 1.18 1.414 1.67 1.81 1.18 ANSWER DOWNLOAD EXAMIANS APP
Design of Steel Structure If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called Deck type Double deck type Through type Half through type Deck type Double deck type Through type Half through type ANSWER DOWNLOAD EXAMIANS APP
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