Recent activity in Structural Engineering

0 0 votes
0 0 answers
A simply-supported rectangular reinforced concrete beam has a width $250$ mm and an overall depth $600$ mm . The effective span of the beam is $6.23$ m. The beam carries ...
0 0 votes
0 0 answers
Linearly elastic, homogeneous, uniform bars $\text{BCD}$ and $\text{FG}$ shown in the figure have fixed supports at $\text{B}$ and $\text{G}$, respectively. For both the ...
0 0 votes
0 0 answers
A rigid-jointed portal frame, shown in the figure, consists of beam and columns of equal length $L$. The frame has a fixed support at one end and a roller support at the ...
0 0 votes
0 0 answers
A $250 \mathrm{~mm}$ wide $\times 600 \mathrm{~mm}$ deep rectangular concrete beam is prestressed by means of $4$ high-tensile tendons, each of $14 \mathrm{~mm}$ diameter...
0 0 votes
0 0 answers
The plane truss shown in the figure is hinge-supported at $\text{E}$ and $\text{F}$. The truss is subjected to vertical downward force at $\text{R}$ and horizontal force ...
0 0 votes
0 0 answers
A simply supported, linearly elastic, homogeneous, prismatic beam of length $L$ and flexural rigidity $E I$ is shown in the figure.The expression for the Influence Line D...
0 0 votes
0 0 answers
The horizontal beam shown in the figure has fixed supports at $\text{F}$ and $\text{L}.$ Internal hinges are provided at locations $\text{G}$ and $\text{J}$. The beam sup...
0 0 votes
0 0 answers
Which one of the following stress conditions represents the state of pure shear stress?
0 0 votes
0 0 answers
A plane strain problem (in $\text{X - Y}$ plane) must satisfy the condition:$\sigma_{z z}=0$$\epsilon_{z z}=\epsilon_{x z}=\epsilon_{y z}=0$$\sigma_{x x} \neq \sigma_{x y...
0 0 votes
0 0 answers
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...
0 0 votes
0 0 answers
A rectangular singly reinforced concrete beam has a width of $300 \text{ mm}$ and an effective depth of $550 \text{ mm}.$ The grades of steel and concrete are Fe$500$ and...
0 0 votes
0 0 answers
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 $\_\_\_\_$ $\...
0 0 votes
0 0 answers
A homogenous, linearly elastic rod $\text{AB}$ is connected to a linearly elastic spring $\text{BC}$ in between the fixed supports at $\text{A}$ and $\text{C}$, as shown ...
0 0 votes
0 0 answers
Two identical blocks $\text{A}$ and $\text{B}$ are connected by a rigid rod. The blocks rest against vertical and horizontal planes, as shown in the figure. The coefficie...
0 0 votes
0 0 answers
Select ALL CORRECT option(s) which can be considered to check whether the flexural stresses in a prestressed concrete beam are within the allowable stresses at the transf...
0 0 votes
0 0 answers
A plane truss consists of two linearly elastic, homogeneous, identical members, namely PQ and QR. Both members have length ( $L$ ), cross-sectional area ( $A$ ), and modu...
0 0 votes
0 0 answers
The plane frame has a hinge and a roller support, and is loaded as shown in the figure. Both the columns have same height.What is the absolute value of the maximum bendin...
0 0 votes
0 0 answers
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...
0 0 votes
0 0 answers
The required centre-to-centre spacing of $10$ mm diameter bars is $150$ mm to resist the design moment in a concrete slab. Instead of $10$ mm diameter bars, if $12$ mm di...
0 0 votes
0 0 answers
Which one of the following is utilized to determine the long-term deformation of concrete under sustained loading?CreepShrinkageModulus of ruptureSplit tensile strength
0 0 votes
0 0 answers
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:
0 0 votes
0 0 answers
A thin-walled spherical gas balloon of radius $R$ and wall thickness $t(t \ll R)$ is subjected to an internal (gauge) pressure $p$. The maximum tensile and shear stresses...
0 0 votes
1 1 answer
Concrete of characteristic strength $30 \mathrm{MPa}$ is required. If $40$ specimens of concrete cubes are to be tested, the minimum number of specimens having at least $...
0 0 votes
1 1 answer
Consider the following statements $(\mathrm{P})$ and $(\mathrm{Q})$ :$(\mathrm{P})$ : Fly ash and ground granulated blast furnace slag can be used as mineral admixtures i...
0 0 votes
1 1 answer
The figure shows a network diagram for a construction project. The activities $\mathrm{A}$, $\mathrm{B}$, $\mathrm{C}, \mathrm{D}, \mathrm{E}$, and $\mathrm{F}$ are repre...
0 0 votes
0 0 answers
The initial cost of an equipment is Rs. $1,00,000$. Its salvage value at the end of accounting life of $5$ years is Rs. $10,000$. The difference in depreciation (in Rs.) ...
0 0 votes
1 1 answer
A propped cantilever beam $\text{XY}$, with an internal hinge at the middle, is carrying a uniformly distributed load of $\text{10 kN/m}$, as shown in the figure.The vert...
0 0 votes
1 1 answer
Which one of the following statements related to bitumen is FALSE?Kinematic viscosity is a measure of resistance to the flow of molten bitumen under gravity.Softer grade ...
0 0 votes
1 1 answer
The figure shows a propped cantilever with uniform flexural rigidity $E I$ (in $\mathrm{N} . \mathrm{m}^{2}$ ) and subjected to a moment $M$ (in $\mathrm{N.m}$). Consider...
0 0 votes
1 1 answer
In the pin-jointed truss shown in the figure, the members that carry zero force are identified. Which of the following options is/are zero-force members?$\text{BC}$$\text...
0 0 votes
1 1 answer
​​​​Identify the FALSE statement from the following options:The compressive strength of a concrete test specimen can vary depending on its shape and sizeAir-dried and sat...
0 0 votes
1 1 answer
Consider the statements $\text{P}$ and $\text{Q}$.$\text{P}$: Client's Preliminary Estimate is used for budgeting costs toward the end of planning and design phase.$\text...
0 0 votes
1 1 answer
The following figure shows the arrangement of formwork for casting a cantilever $\mathrm{RC}$ beam.The correct sequence of removing the Shores/Props is$\mathrm{S} 1 \righ...
0 0 votes
1 1 answer
The structural design method that DOES NOT take into account the safety factors on the design loads isworking stress method.load factor method.ultimate load method.limit ...
0 0 votes
0 0 answers
A reinforced concrete beam has a support section with width of $300 \: \mathrm{mm}$ and effective depth of $500 \: \mathrm{mm}$ . The support section is reinforced with $...
0 0 votes
0 0 answers
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...
0 0 votes
0 0 answers
Consider a reinforced concrete beam section of $350 \: \mathrm{mm}$ width and $600\: \mathrm{mm}$ depth. The beam is reinforced with the tension steel of $800 \mathrm{~mm...
0 0 votes
0 0 answers
Let the state of stress at a point in a body be the difference of two plane states of stress shown in the figure. Consider all the possible planes perpendicular to the $x...
0 0 votes
0 0 answers
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...
0 0 votes
0 0 answers
The design shear strength of a reinforced concrete rectangular beam with a width of $250 \: \mathrm{mm}$ and an effective depth of $500 \: \mathrm{mm}$, is $0.3 \: \mathr...
0 0 votes
0 0 answers
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...
0 0 votes
0 0 answers
Consider the pin-jointed truss shown in the figure. Influence line is drawn for the axial force in the member G-I, when a unit load travels on the bottom chord of the tru...
0 0 votes
0 0 answers
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...
0 0 votes
0 0 answers
Consider the beam section shown in the figure, with $\bar{y}$ indicating the depth of neutral axis $(NA)$. The section is only subjected to an increasing bending moment. ...
0 0 votes
0 0 answers
Consider a reinforced concrete beam section of $300 \: \mathrm{mm}$ width and $700 \: \mathrm{mm}$ depth. The beam is reinforced with the tension steel of $2000 \: \mathr...
0 0 votes
0 0 answers
Consider the rigid bar $ABC$ supported by the pin-jointed links $BD$ and $CE$ and subjected to a load $P$ at the end $A$, as shown in the figure. The axial rigidities of ...
0 0 votes
0 0 answers
For the beam and loading shown in the figure, the second derivative of the deflection curve of the beam at the mid-point of AC is given by $\alpha M_{0} / 8 E I$. The val...
0 0 votes
0 0 answers
​​​​In the context of construction project management, which of the following statements is/are true:A dummy activity will consume time and resourcesThe programme evaluat...
0 0 votes
0 0 answers
​​​​​Consider the beam $\text{ACDEB}$ given in the figure. Which of the following statements is/are correct:Bending moment is zero between the points $A$ and $C$There is ...
0 0 votes
0 0 answers
​​​In the rigid-jointed frame shown in the figure, the distribution factor of the member AD is closest to$0.254$$0.267$$0.398$$0.421$
To see more, click for all the questions in this category.