Recent questions tagged steel-structures

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As per IS:$800-2007$, design of a cantilever steel beam section for its moment capacity requires fulfilment of an upper bound, expressed as:\[M_{d} \leq 1.5 Z_{e} \frac{f...
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Black dot shown in the figure qualitatively represents the shear centre of the angle section. The option which represents the position of the shear centre is:
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Two steel plates are to be connected together by a $5$ mm fillet weld of length $150$ mm to transfer a design load. If the size of the fillet weld used to connect the sam...
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The cross-section of a steel $\text{T}$-beam is shown in the figure where all dimensions are in mm.The plastic section modulus of the given cross-section is $\_\_\_\_$ $\...
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In the context of construction materials, which of the following statements is/are CORRECT?If the characteristic strength is defined as that value below which not more th...
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A circular tube of thickness $10 \: \mathrm{mm}$ and diameter $250\: \mathrm{mm}$ is welded to a flat plate using $5\: \mathrm{mm}$ fillet weld along the circumference. A...
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A steel beam supported by three parallel pin-jointed steel rods is shown in the figure. The moment of inertia of the beam is $8 \times 10^{7} \mathrm{~mm}^{4}$. Take modu...
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Consider the built-up column made of two $I$-sections as shown in the figure, with each batten plate bolted to a component $I$-section of the column through $6$ black bol...
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The steel angle section shown in the figure has elastic section modulus of $150.92 \mathrm{~cm}^{3}$ about the horizontal $\mathrm{X}-\mathrm{X}$ axis, which passes throu...
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A homogeneous, prismatic, linearly elastic steel bar fixed at both the ends has a slenderness ratio $(l / r)$ of $105$, where $l$ is the bar length and $r$ is the radius ...
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The elements that DO NOT increase the strength of structural steel areCarbonManganeseSulphurChlorine
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Two plates are connected by fillet welds of size $10 \mathrm{~mm}$ and subjected to tension, as shown in the figure. The thickness of each plate is $12 \mathrm{~mm}$. The...
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Consider the fillet-welded lap joint shown in the figure (not to scale). The length of the weld shown is the effective length. The welded surfaces meet at right angle. Th...
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Consider the horizontal axis passing through the centroid of the steel beam cross-section shown in the figure. What is the shape factor (rounded off to one decimal place)...
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For the square steel beam cross-section shown in the figure, the shape factor about $z – z$ axis is $S$ and the plastic moment capacity is $M_{p}.$ Consider yield stress ...
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A weld is used for joining an angle section $\text{ISA}$ $100 \:mm \times 100\:mm \times 10 \:mm$ to a gusset plate of thickness $15$ $\text{mm}$ to transmit a tensile lo...
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The ratio of the plastic moment capacity of a beam section to its yield moment capacity is termed asaspect ratioload factorshape factorslenderness ratio
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Two plates od $8$ mm thickness each are connected by a fillet weld of $6$ mm thickness as shown in the figure. The permissible stresses in the plate and the weld are $150...
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A $2$ m long, axially loaded mild steel rod of $8$ mm diameter exhibits the load-displacement $(P-\delta)$ behavior as shown in the figure.Assume the yield stress of stee...
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If the section shown in the figure turns from fully-elastic to fully-plastic, the depth of neural axis (N.A), $\overline{y}$, decreases by$10.75 \: mm$$12.25 \: mm$$13.75...
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A $16 \: mm$ thick gusset plate is connected to the $12 \: mm$ thick flange plate of an I-section using fillet welds on both sides as shown in the figure (not drawn to sc...
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A steel column is restrained against both translation and rotation at one end and is restrained only against rotation but free to translate at the other end. Theoretical ...
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The critical bending compressive stress in the extreme fibre of a structural steel section is $1000 \: MPa$. It is given that the yield strength of the steel is $250 \: M...
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Two bolted plates under tension with alternative arrangement of bolt holes are shown in figure $1$ and $2$. The hole diameter, pitch, and gauge length are $d$, $p$ and $g...
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A fixed-end beam is subjected to a concentrated load ($P$) as shown in the figure. The beam has two different segments having different plastic moment capacities ($M_P, 2...
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The semi-compact section of a laterally unsupported steel beam has an elastic section modulus, plastic section modulus and design bending compressive stress of $500 \: cm...
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Two plates are connected by fillet welds of size $10$ mm and subjected to tension, as shown in the figure. The thickness of each plate is $12$ mm. The yield stress and th...
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A column is subjected to a load through a bracket as shown in the figure.The resultant force (in kN, up to one decimal place) in the bolt $1$ is _______
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Prying forces areshearing forces on the bolts because of the jointstensile forces due to the flexibility of connected partsbending forces on the bolts because of the join...
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A steel member $’ M’$ has reversal of stress due to live loads, whereas another member $’N’$ has reversal of stress due to wind load. As per $IS \: 800: 2007$, the maximu...
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A steel strip of length $L=200$ mm is fixed at end $A$ and rests at $B$ on a vertical spring of stiffness, $k=2 \: N/mm$. The steel strip is $5$ mm wide and $10$ mm thick...
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According to the concept of Limit State Design as per $IS \: 456:2000$, the probability of failure of a structure is ______.
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A fixed end beam is subjected to a load, W at $1/3$ rd span from the left support as shown in the figure. The collapse load of the beam is:$16.5 M_p/L$$15.5 M_p/L$$15.0 M...
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The bracket plate connected to a column flange transmits a load of $100$ kN as shown in the following figure. The maximum force for which the bolts should be designed is ...
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For formation of $\textit{collapse mechanism}$ in the following figure, the minimum value of $P_u$ is $cM_p/L$. $M_p$ and $3M_p$ denote the plastic moment capacities of b...
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A prismatic beam (as shown below) has plastic moment capacity of $M_p$, then the collapse load $P$ of the beam is$\dfrac{2M_p}{L} \\$$\dfrac{4M_p}{L} \\$$\dfrac{6M_p}{L} ...
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For a beam of cross-section, width $=230$ mm and effective depth $=500$ mm, the number of rebars of $12$ mm diameter required to satisfy minimum tension reinforcement req...
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A rectangular beam of width $(b)$ $230$ mm and effective depth $(d)$ $450$ mm is reinforced with four bars of $12$ mm diameter. The grade of concrete is $M20$ and grade o...
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While designing, for a steel column of $Fe250$ grade, a base plate resting on a concrete pedestal of $M20$ grade, the bearing strength of concrete (in $N/mm^2$) in limit ...
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A propped cantilever made of a prismatic steel beam is subjected to a concentrated load P at mid span as shown.If load $P=80$ kN, find the reaction $R$ (in kN) correct to...