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Recent questions tagged concretestructures
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1
GATE2020CE131
A dowel bar is placed at a contraction joint. When contraction occurs, the concrete slab cracks at predetermined location(s). Identify the arrangement, which shows the correct placement of dowel bar and the place of occurrence of the contraction of crack(s).
asked
Feb 28
in
Structural Engineering
by
jothee
(
2.7k
points)
gate2020ce1
structuralengineering
concretestructures
slabs
0
votes
0
answers
2
GATE2020CE143
The singly reinforced concrete beam section shown in the figure (not drawn to the scale) is made of $M25$ grade concrete and $Fe500$ grade reinforcing steel. The total crosssectional area of the tension steel is $942\:mm^2$. As per Limit State Design IS $456:2000$, the design moment capacity (in $kN.m$, round off to two decimal places) of the beam section, is __________
asked
Feb 28
in
Concrete Structures
by
jothee
(
2.7k
points)
gate2020ce1
concretestructures
structuralengineering
concretebeams
steelstructures
designoftension
numericalanswers
0
votes
0
answers
3
GATE2020CE144
A simply supported prismatic concrete beam of rectangular crosssection, having a span of $8\:m$, is prestressed with an effective prestressing force of $600\:kN$. The eccentricity of the prestressing tendon is zero at supports and varies linearly to a value of $e$ at ... at the midspan, the required value of e (in $mm$, round off to the nearest integer) of the tendon, is ______.
asked
Feb 28
in
Concrete Structures
by
jothee
(
2.7k
points)
gate2020ce1
concretestructures
structuralengineering
concretebeams
numericalanswers
0
votes
0
answers
4
GATE2020 CE219
The maximum applied load on a cylindrical concrete specimen of diameter $150\: mm$ and length $300\: mm$ tested as per the split tensile strength test guidelines of $IS\:5816:1999$ is $157\: kN$. The split tensile strength (in $MPa,$ round off to one decimal place) of the specimen is _______.
asked
Feb 13
in
Concrete Structures
by
jothee
(
2.7k
points)
gate2020ce2
numericalanswers
concretestructures
structuralengineering
0
votes
0
answers
5
GATE2020 CE241
A concrete beam of span $15\: m,\ 150\: mm$ wide and $350\: mm$ ... cable is tensioned from one end only, the percentage loss (round off to one decimal place) in the cable force due to friction, is ________.
asked
Feb 13
in
Concrete Structures
by
jothee
(
2.7k
points)
gate2020ce2
numericalanswers
concretestructures
structuralengineering
concretebeams
0
votes
0
answers
6
GATE2020 CE243
The crosssection of the reinforced concrete beam having an effective depth of $500\: mm$ is shown in the figure (not drawn to the scale ). The grades of concrete and steel used are $M35$ and $Fe550$, respectively. The area of tension reinforcement is ... ( in $mm,$ round off to the nearest integer ) of the neutral axis measured from the extreme compression fiber, is ________.
asked
Feb 13
in
Concrete Structures
by
jothee
(
2.7k
points)
gate2020ce2
numericalanswers
analysisofbeamsections
concretestructures
structuralengineering
0
votes
0
answers
7
GATE2020 CE251
A concrete dam holds $10\: m$ of static water as shown in the figure (not drawn to the scale). The uplift is assumed to vary linearly from full hydrostatic head at the heel, to zero at the toe of the dam. The coefficient of friction between the dam ... , respectively. For NO sliding condition, the required minimum base width $B$ (in $m$ round off to two decimal places) is ________.
asked
Feb 13
in
Concrete Structures
by
jothee
(
2.7k
points)
gate2020ce2
numericalanswers
concretestructures
structuralengineering
0
votes
0
answers
8
GATE2017 CE240
A simply supprted rectangular concrete beam of span $8$ m has to be prestressed with a force of $1600$ ... (in meters, up to two decimal places) of the tendon at the midspan to balance the external load should be __________
asked
Aug 7, 2019
in
Concrete Structures
by
gatecse
(
3.9k
points)
gate2017ce2
numericalanswers
concretestructures
structuralengineering
ultimateloaddesignconcepts
0
votes
0
answers
9
GATE2019 CE1: 9
In the reinforced beam section shown in the figure $\text{(not drawn to scale)}$, the nominal cover provided at the bottom of the beam as per $\text{IS 4562000},$ is $\text{30 mm}$ $\text{36 mm}$ $\text{42 mm}$ $\text{50 mm}$
asked
Feb 14, 2019
in
Concrete Structures
by
Arjun
(
2.8k
points)
gate2019ce1
concretestructures
structuralengineering
reinforcedbeamsections
0
votes
0
answers
10
GATE2019 CE1: 19
For a given loading on a rectangular plain concrete beam with an overall depth of $500 \: mm$, the compressive strain and tensile strain developed at the extreme fibers are of the same magnitude of $2.5 \times 10^{4}$. The curvature in the beam crosssection (in $m^{1}$, round off to $3$ decimal places), is ________
asked
Feb 14, 2019
in
Concrete Structures
by
Arjun
(
2.8k
points)
gate2019ce1
numericalanswers
concretestructures
structuralengineering
0
votes
0
answers
11
GATE2019 CE1: 48
Tie bars of $12 \: mm$ diameter are to be provided in a concrete pavement slab. The working tensile stress of the tie bars is $230 \: MPa$, the average bond strength between a tie bar and concrete is $2 \: MPa$, and the joint gap between the slabs ... loss of bond and the tolerance factor, the design length of the tie bars (in $mm$, round off to the nearest integer) is ________
asked
Feb 14, 2019
in
Concrete Structures
by
Arjun
(
2.8k
points)
gate2019ce1
numericalanswers
concretestructures
structuralengineering
pavementslabs
0
votes
0
answers
12
GATE2019 CE2: 21
The characteristic compressive strength of concrete required in a project is $25 \: MPa$ and the standard deviation in the observed compressive strength expected at site is $4 \: MPa$. The average compressive strength of cubes tested at different watercement (w/c) ... The watercement ratio (in percent, round off to the lower integer) to be used in the mix is ______
asked
Feb 12, 2019
in
Concrete Structures
by
Arjun
(
2.8k
points)
gate2019ce2
numericalanswers
concretestructures
structuralengineering
0
votes
0
answers
13
GATE2019 CE2: 31
In the context of provisions relating to durability of concrete, consider the following assertions: $\textbf{Assertions:(1)}: $ As per $IS \: 4562000$, air entrainment to the extent of $3 \%$ to $6 \%$ is required for concrete exposed to marine environment. ... and Assertion (2) is FALSE Both Assertion (1) and Assertion (2) are FALSE Both Assertion (1) and Assertion (2) are TRUE
asked
Feb 12, 2019
in
Concrete Structures
by
Arjun
(
2.8k
points)
gate2019ce2
concretestructures
structuralengineering
0
votes
0
answers
14
GATE201627
As per $\text{IS } 4562000$ for the design of reinforced concrete beam, the maximum allowable shear stress $(\tau_{\tau \text{max}})$ depends on the grade of concrete and grade of steel grade of concrete only grade of steel only grade of concrete and percentage of reinforcement
asked
Mar 28, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2016ce2
concretestructures
structuralengineering
reinforcedconcretebeam
0
votes
0
answers
15
GATE2016236
A $450 \: mm$ long plain concrete prism is subjected to the concentrated vertical loads as shown in the figure. Cross section of the prism is given as $150 \: mm \times 150 \: mm$. Considering linear stress distribution across the crosssection, the modulus of rupture (expressed in MPa) is _____________
asked
Mar 28, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2016ce2
numericalanswers
concretestructures
structuralanalysis
concreteprism
0
votes
0
answers
16
GATE2016132
Two beams $PQ$ (fixed at $P$ and with a roller support at $Q$, as shown in Figure I, which allows vertical movement) and $XZ$ (with a hinge at $Y$) are shown in the Figures I and II respectively. The spans of $PQ$ and $XZ$ are $L$ and $2L$ respectively. Both the ... $\delta_{\text{max1}} = \delta_{\text{max2}}$ and $\theta_{\text{max1}} = \theta_{\text{max2}}$
asked
Mar 28, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2016ce1
concretestructures
beams
loads
structuralengineering
0
votes
0
answers
17
GATE2016135
A reinforced concrete (RC) beam with width of $250$ mm and effective depth of $400$ mm is reinforced with $Fe415$ steel. As per the provisions of $IS \: 4562000$, the minimum and maximum amount of tensile reinforcement (expressed in $mm^2$) for the section are, respectively $250$ and $3500$ $205$ and $4000$ $270$ and $2000$ $300$ and $2500$
asked
Mar 28, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2016ce1
reinforcedconcretebeam
concretestructures
structuralengineering
0
votes
0
answers
18
GATE2016136
For $M25$ concrete with creep coefficient of $1.5$, the longterm static modulus of elasticity (expressed in MPa) as per the provisions of $IS:4562000$ is _____
asked
Mar 28, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2016ce1
numericalanswers
concretestructures
structuralengineering
concretewithcreepcoefficient
0
votes
0
answers
19
GATE2016137
A propped cantilever of span $L$ carries a vertical concentrated load at the midspan. If the plastic moment capacity of the section is $M_p$, the magnitude of the collapse load is $\dfrac{8M_p}{L} \\$ $\dfrac{6M_p}{L} \\$ $\dfrac{4M_p}{L} \\$ $\dfrac{2M_p}{L}$
asked
Mar 28, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2016ce1
concretestructures
structuralengineering
plasticanalysis
0
votes
0
answers
20
GATE2016145
A concrete gravity dam section is shown in the figure. Assuming unit weight of water as $10 \: kN/m^3$ and unit weight of concrete as $24 \: kN/m^3$, the uplift force per unit length of the dam (expressed in kN/m) at $\color{red}{PQ}$ is _____
asked
Mar 28, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2016ce1
numericalanswers
concretestructures
structuralengineering
concretegravitydam
0
votes
0
answers
21
GATE2017 CE1: 6
According to $IS \: 456  2000$, which one of the following statements about the depth of neutral axis $x_{\text{u, bal}}$ for a balanced reinforced concrete section is correct? $x_{\text{u, bal}}$ ... both the grade of concrete and grade of steel $x_{\text{u, bal}}$ does not depend on the grade of concrete and grade of steel
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2017ce1
concretestructures
structuralengineering
0
votes
0
answers
22
GATE2017 CE1: 38
A pretensioned rectangular concrete beam $150$ mm wide and $300$ mm depth is prestressed with three straight tendons, each having a crosssectional are of $50 \: mm^2$, to an initial stress of $1200 \: N/mm^2$. The tendons are located at $100$ ... is $6$, the loss of prestressing force (in kN, up to one decimal place) due to the elastic deformation of concrete only is _________.
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2017ce1
numericalanswers
concretestructures
structuralengineering
concretebeam
0
votes
0
answers
23
GATE2015231
A simply supported reinforced concrete beam of length $10$ m sags while undergoing shrinkage. Assuming a uniform curvature of $0.004 m^{1}$ along the span, the maximum deflection (in m) of the beam at midspan is __________.
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2015ce2
numericalanswers
concretestructures
structuralengineering
concretebeams
0
votes
0
answers
24
GATE2015235
In a prestressed concrete beam section shown in the figure, the net loss is $10 \%$ and the final prestressing force applied at $X$ is $750$ kN. The initial fiber stresses (in $N/mm^2$) at the top and bottom of the beam were: $4.166$ and $20.833$ $ – 4.166$ and $ – 20.833$ $4.166$ and $ – 20.833$ $ – 4.166$ and $20.833$
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2015ce2
concretestructures
structuralengineering
prestressedconcrete
0
votes
0
answers
25
GATE201514
Workability of concrete can be measured using slump, compaction factor and Vebe time. Consider the following statements for workability of concrete. As the slump increases, the Vebe time increases As the slump increases, the compaction factor increases Which of the following is TRUE? Both (i) and ( ... (i) and (ii) are False (i) is True and (ii) is False (i) is False and (ii) is True
asked
Mar 26, 2018
in
Structural Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
structuralengineering
concretestructures
workabilityofconcrete
0
votes
0
answers
26
GATE201515
Consider the following statements for airentrained concrete: Airentrainment reduces the water demand for a given level of workability Use of airentrained concrete is required in environments where cyclic freezing and thawing is expected Which of the following is TRUE? Both (i) and (ii) are True Both (i) and (ii) are False (i) is True and (ii) is False (i) is False and (ii) is True
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2015ce1
concretestructures
structuralengineering
airentrainedconcrete
0
votes
0
answers
27
GATE2015119
The two columns below show some parameters and their possible values. ... $P  I, Q  V, R  VI, S  II$ $P  III, Q  II, R  V, S  IV$
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2015ce1
concretestructures
structuralengineering
columns
0
votes
0
answers
28
GATE2015131
The composition of an airentrained concrete is given below: ... gravity of OPC, sand and coarse aggregate to be $3.14$, $2.67$, and $2.74$, respectively. The air content is ______ $liters/m^3$.
asked
Mar 26, 2018
in
Structural Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
numericalanswers
structuralengineering
concretestructures
airentrainedconcrete
0
votes
0
answers
29
GATE2015133
Consider the singly reinforced beam section given below (left figure). The stress block parameters for the crosssection from $IS:4562000$ are also given below (right figure). The moment of resistance for the given section by the limit state method is _______ kNm
asked
Mar 26, 2018
in
Structural Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
numericalanswers
structuralengineering
limitstatemethod
concretestructures
steelstructures\
0
votes
0
answers
30
GATE2015136
Two beams are connected by a linear spring as shown in the following figure. For a load $P$ as shown in the figure, the percentage of the applied load $P$ carried by the spring is _________.
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2015ce1
numericalanswers
concretestructures
structuralengineering
transferandserviceloads
beams
0
votes
0
answers
31
GATE2014212
The static indeterminacy of the twospan continuous beam with an internal hinge, shown below, is _______
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2014ce2
numericalanswers
concretestructures
beams
0
votes
0
answers
32
GATE2014211
The modulus of elasticity, $E=5000 \sqrt{f_{ck}}$ where $f_{ck}$ is the characteristic compressive strength of concrete, specified in $IS:4562000$ is based on tangent modulus initial tangent modulus secant modulus chord modulus
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2014ce2
concretestructures
structuralengineering
modulusofelasticity
0
votes
0
answers
33
GATE2014136
In a reinforced concrete section, the stress at the extreme fibre in compression is $5.80$ MPa. The depth of neutral axis in the section is $58$ mm and the grade of concrete is $M25$. Assuming linear elastic behavior of the concrete, the effective curvature of the section (in per mm) is $2.0 \times 10^{6}$ $3.0 \times 10^{6}$ $4.0 \times 10^{6}$ $5.0 \times 10^{6}$
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2014ce1
concretestructures
structuralengineering
0
votes
0
answers
34
GATE201416
Match the information given in Group  I with those in Group  II. ... $P3; \: Q4; \: R  2;\: S  1$ $P4; \: Q3; \: R  2;\: S  1$
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2014ce1
concretestructures
structuralengineering
loadanalysis
0
votes
0
answers
35
GATE201353
A multistory building with a basement is to be constructed. The top $4$ m consists of loose silt, below which dense sand layer is present up to a great depth. Ground water table is at the surface. The foundation consists of the basement slab of $6$ m width ... depth and rigidity corrections, the immediate settlement of the dense sand layer will be $58$ mm $111$ mm $126$ mm $179$ mm
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2013ce
slabs
groundwater
concretestructures
0
votes
0
answers
36
GATE201352
A multistory building with a basement is to be constructed. The top $4$ m consists of loose silt, below which dense sand layer is present up to a great depth. Ground water table is at the surface. The foundation consists of the basement slab of $6$ m width which will rest on the ... of safety $=3$, the net safe bearing capacity (in $kN/m^2$) of the foundation is $610$ $320$ $983$ $693$
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2013ce
groundwater
slabs
concretestructures
0
votes
0
answers
37
GATE201335
A rectangular concrete beam $250$ mm wide and $600$ mm deep is prestressed by means of $16$ high tensile wires, each of $7$ mm diameter, located at $200$ mm from the bottom face of the beamat a given section. If the effective prestress in the ... of the beam can with stand without causing tensile stress at the bottom face of of the beam? Neglect the effect of dead load of beam ______
asked
Mar 26, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2013ce
numericalanswers
concretestructures
structuralengineering
prestressed
concretebeams
0
votes
0
answers
38
GATE201253
The crosssection at midspan of a beam at the edge of a slab is shown in the sketch. A portion of the slab is considered as the effective flange width for the beam. The grades of concrete and reinforcing steel are M25 and Fe415, respectively. The total area of reinforcing bars ( ... section, as per the Limit State Method of $\text{IS } 456:2000$ is $475.2$ $717.0$ $756.4$ $762.5$
asked
Mar 25, 2018
in
Steel Structures
by
Milicevic3306
(
11.9k
points)
gate2012ce
steelstructures
concretestructures
structuralengineering
limitstatemethod
0
votes
0
answers
39
GATE201252
The crosssection at midspan of a beam at the edge of a slab is shown in the sketch. A portion of the slab is considered as the effective flange width for the beam. The grades of concrete and reinforcing steel are $M25$ and $Fe415$ ... in mm) computed as per the Limit State Method of $IS \: 456:2000$ is $200.0$ $223.3$ $236.3$ $273.6$
asked
Mar 25, 2018
in
Steel Structures
by
Milicevic3306
(
11.9k
points)
gate2012ce
steelstructures
concretestructures
structuralengineering
limitstatemethod
0
votes
0
answers
40
GATE201233
A concrete beam prestressed with a parabolic tendon is shown in the sketch. The eccentricity of the tendon is measured from the centroid of the crosssection. The applied prestressing force at service is $1620$ kN. The uniformly distributed load of $45$ kN/m includes the self ... $2.90$ compressive $2.90$ tensile $4.32$ compressive $4.32$
asked
Mar 25, 2018
in
Concrete Structures
by
Milicevic3306
(
11.9k
points)
gate2012ce
concretestructures
structuralengineering
beams
prestressedconcrete
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