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Recent questions tagged concrete-structures
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1
GATE2020 CE-2-19
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 _______.
go_editor
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in
Concrete Structures
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
numerical-answers
concrete-structures
structural-engineering
0
votes
0
answers
2
GATE2020 CE-2-41
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 ________.
go_editor
asked
in
Concrete Structures
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
numerical-answers
concrete-structures
structural-engineering
concrete-beams
0
votes
0
answers
3
GATE2017 CE-2-40
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 mid-span to balance the external load should be __________
gatecse
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in
Concrete Structures
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
concrete-structures
structural-engineering
ultimate-load-design-concepts
design-of-beams
0
votes
0
answers
4
GATE2019 CE-1: 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 $\text{IS 456-2000},$ is $\text{30 mm}$ $\text{36 mm}$ $\text{42 mm}$ $\text{50 mm}$
Arjun
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in
Concrete Structures
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
concrete-structures
structural-engineering
reinforced-beam-sections
0
votes
0
answers
5
GATE2019 CE-1: 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 cross-section (in $m^{-1}$, round off to $3$ decimal places), is ________
Arjun
asked
in
Concrete Structures
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
concrete-structures
structural-engineering
deign-of-beams
concrete-beams
0
votes
0
answers
6
GATE2019 CE-1: 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 ________
Arjun
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in
Concrete Structures
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
concrete-structures
structural-engineering
pavement-slabs
0
votes
0
answers
7
GATE2019 CE-1: 54
A $3 \: m \times 3 \: m$ square precast reinforced concrete segments to be installed by pushing them through an existing railway embankment for making an underpass as shown in the figure. A reaction arrangement using precast PCC blocks placed on the ground ... the same properties that of soil, the factor of safety (round off to $1$ decimal place) against shear failure is ________
Arjun
asked
in
Concrete Structures
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
structural-engineering
concrete-structures
precast-reinforced-concrete-segment
0
votes
0
answers
8
GATE2019 CE-2: 31
In the context of provisions relating to durability of concrete, consider the following assertions: $\textbf{Assertions:(1)}: $ As per $IS \: 456-2000$, 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
Arjun
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in
Concrete Structures
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
concrete-structures
structural-engineering
0
votes
0
answers
9
GATE2016-2-7
As per $\text{IS } 456-2000$ 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
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
concrete-structures
structural-engineering
reinforced-concrete-beam
0
votes
0
answers
10
GATE2016-2-35
A haunched (varying depth) reinforced concrete beam is simply supported at both ends, as shown in the figure. The beam is subjected to a uniformly distributed factored load of intensity $10 \: kN/m$. The design shear force (expressed in $kN$) at the section X-X of the beam is ________
Milicevic3306
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
numerical-answers
concrete-structures
structural-engineering
shear-force
design-of-rc-beam
0
votes
0
answers
11
GATE2016-2-36
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 cross-section, the modulus of rupture (expressed in MPa) is _____________
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
numerical-answers
concrete-structures
structural-analysis
concrete-prism
0
votes
0
answers
12
GATE2016-1-7
In shear design of an RC beam, other than the allowable shear strength of concrete $( \tau _c)$, there is also an additional check suggested in IS $456-2000$ ... shear stress that comes from accidental loading possibility of failure of concrete by diagonal tension possibility of crushing of concrete by diagonal compression
Milicevic3306
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
structural-engineering
shear-strength
shear-stress
concrete-structures
design-of-rc-beam
0
votes
0
answers
13
GATE2016-1-35
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 $IS \: 456-2000$, 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 $2500$
Milicevic3306
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
reinforced-concrete-beam
concrete-structures
structural-engineering
0
votes
0
answers
14
GATE2016-1-36
For $M25$ concrete with creep coefficient of $1.5$, the long-term static modulus of elasticity (expressed in MPa) as per the provisions of $IS:456-2000$ is _____
Milicevic3306
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
numerical-answers
concrete-structures
structural-engineering
concrete-with-creep-coefficient
0
votes
0
answers
15
GATE2016-1-37
A propped cantilever of span $L$ carries a vertical concentrated load at the mid-span. If the plastic moment capacity of the section is $M_p$, the magnitude of the collapse load is $\dfrac{8M_p}{L} \\$ $\dfrac{6M_p}{L} \\$ $\dfrac{4M_p}{L} \\$ $\dfrac{2M_p}{L}$
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
concrete-structures
structural-engineering
plastic-analysis
0
votes
0
answers
16
GATE2016-1-45
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 _____
Milicevic3306
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in
Concrete Structures
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
numerical-answers
concrete-structures
structural-engineering
concrete-gravity-dam
0
votes
0
answers
17
GATE2017 CE-1: 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
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
concrete-structures
structural-engineering
concrete-sections
0
votes
0
answers
18
GATE2017 CE-1: 38
A pre-tensioned rectangular concrete beam $150$ mm wide and $300$ mm depth is prestressed with three straight tendons, each having a cross-sectional 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 _________.
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in
Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
numerical-answers
concrete-structures
structural-engineering
concrete-beam
0
votes
0
answers
19
GATE2015-2-9
A column of size $450 \: mm \times 600\: mm $ has unsupported length of $3.0$ m and is braced against side sway in both directions. According to $IS \: 456:2000$, the minimum eccentricities (in mm) with respect to major and minor principal axes are: $20.0$ and $20.0$ $26.0$ and $21.0$ $26.0$ and $20.0$ $21.0$ and $15.0$
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
concrete-structures
structural-engineering
design-of-columns
0
votes
0
answers
20
GATE2015-2-31
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 mid-span is __________.
Milicevic3306
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
numerical-answers
concrete-structures
structural-engineering
concrete-beams
deign-of-beams
0
votes
0
answers
21
GATE2015-2-35
In a pre-stressed concrete beam section shown in the figure, the net loss is $10 \%$ and the final pre-stressing 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 $20.833$ $ â€“ 4.166$ and $ â€“ 20.833$ $4.166$ and $ â€“ 20.833$ $ â€“ 4.166$ and $20.833$
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
concrete-structures
structural-engineering
pre-stressed-concrete
0
votes
0
answers
22
GATE2015-1-5
Consider the following statements for air-entrained concrete: Air-entrainment reduces the water demand for a given level of workability Use of air-entrained 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
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
concrete-structures
structural-engineering
air-entrained-concrete
0
votes
0
answers
23
GATE2015-1-19
The two columns below show some parameters and their possible values. ... $P - I, Q - V, R - VI, S - II$ $P - III, Q - II, R - V, S - IV$
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
concrete-structures
structural-engineering
design-of-columns
0
votes
0
answers
24
GATE2015-1-31
The composition of an air-entrained 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 ______ $liters/m^3$.
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Structural Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
numerical-answers
structural-engineering
concrete-structures
air-entrained-concrete
0
votes
0
answers
25
GATE2015-1-36
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 _________.
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in
Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-1
numerical-answers
concrete-structures
structural-engineering
transfer-and-service-loads
beams
0
votes
0
answers
26
GATE2014-2-12
The static indeterminacy of the two-span continuous beam with an internal hinge, shown below, is _______
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2014-ce-2
numerical-answers
concrete-structures
beams
0
votes
0
answers
27
GATE2014-2-11
The modulus of elasticity, $E=5000 \sqrt{f_{ck}}$ where $f_{ck}$ is the characteristic compressive strength of concrete, specified in $IS:456-2000$ is based on tangent modulus initial tangent modulus secant modulus chord modulus
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in
Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2014-ce-2
concrete-structures
structural-engineering
modulus-of-elasticity
0
votes
0
answers
28
GATE2014-1-36
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 $2.0 \times 10^{-6}$ $3.0 \times 10^{-6}$ $4.0 \times 10^{-6}$ $5.0 \times 10^{-6}$
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
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gate2014-ce-1
concrete-structures
structural-engineering
reinforced-concrete-section
0
votes
0
answers
29
GATE2014-1-6
Match the information given in Group - I with those in Group - II. ... $P-3; \: Q-4; \: R - 2;\: S - 1$ $P-4; \: Q-3; \: R - 2;\: S - 1$
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Concrete Structures
Mar 26, 2018
by
Milicevic3306
11.9k
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gate2014-ce-1
concrete-structures
structural-engineering
load-analysis
0
votes
0
answers
30
GATE Civil 2013 | Question: 35
A rectangular concrete beam $250$ mm wide and $600$ mm deep is pre-stressed 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 pre- ... beam can with stand without causing tensile stress at the bottom face of of the beam? Neglect the effect of dead load of beam ______
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Concrete Structures
Mar 26, 2018
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Milicevic3306
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gate2013-ce
numerical-answers
concrete-structures
structural-engineering
prestressed
concrete-beams
0
votes
0
answers
31
GATE Civil 2012 | Question: 52
The cross-section at mid-span 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 ... mm) computed as per the Limit State Method of $IS \: 456:2000$ is $200.0$ $223.3$ $236.3$ $273.6$
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Concrete Structures
Mar 25, 2018
by
Milicevic3306
11.9k
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gate2012-ce
concrete-structures
structural-engineering
design-of-slabs
0
votes
0
answers
32
GATE Civil 2012 | Question: 53
The cross-section at mid-span 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 ... , as per the Limit State Method of $\text{IS } 456:2000$ is $475.2$ $717.0$ $756.4$ $762.5$
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Steel Structures
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Milicevic3306
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gate2012-ce
concrete-structures
structural-engineering
limit-state-method
design-of-slabs
0
votes
0
answers
33
GATE Civil 2012 | Question: 33
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 cross-section. The applied prestressing force at service is $1620$ kN. The uniformly distributed load of $45$ kN/m ... in the bottom fibre at mid-span is tensile $2.90$ compressive $2.90$ tensile $4.32$ compressive $4.32$
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Concrete Structures
Mar 25, 2018
by
Milicevic3306
11.9k
points
gate2012-ce
concrete-structures
structural-engineering
beams
prestressed-concrete
0
votes
0
answers
34
GATE Civil 2012 | Question: 32
The sketch shows a column with a pin at the base and rollers at the top. It is subjected to an axial force $P$ and a moment $M$ at mid-height. The reaction(s) at R is/are a vertical force equal to $P$ a vertical force equal to $P/2$ a vertical force equal to $P$ an a horizontal force equal to $M/h$ a vertical force equal to $P/2$ and a horizontal force equal to $M/h$
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Concrete Structures
Mar 25, 2018
by
Milicevic3306
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gate2012-ce
structural-engineering
concrete-structures
design-of-columns
0
votes
0
answers
35
GATE Civil 2012 | Question: 8
Which one of the following is categorised as a long-term loss of prestress in a prestressed concrete member? Loss due to elastic shortening Loss due to friction Loss due to relaxation of strands Loss due to anchorage slip
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Concrete Structures
Mar 25, 2018
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Milicevic3306
11.9k
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gate2012-ce
concrete-structures
structural-engineering
prestressed-concrete
0
votes
0
answers
36
GATE2018 CE-2: 41
A $6$ m long simply-supported beam is prestressed as shown in the figure. The beam carries a uniformly distributed load of $6$ kN/m over its entire span. If the effective flexural rigidity $EI=2 \times 10^4 \: kNm^2$ and the effective prestressing force is $200$ kN, the net increase in length of the prestressing cable (in mm, up to two decimal places) is _____
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in
Concrete Structures
Feb 17, 2018
by
gatecse
4.0k
points
gate2018-ce-2
numerical-answers
concrete-structures
structural-engineering
prestressed-cable
0
votes
0
answers
37
GATE2018 CE-2: 31
A singly-reinforced rectangular concrete beam of width $30$ mm and effective depth $400$ mm is to be designed using $M25$ grade concrete and $Fe500$ grade reinforcing steel. For the beam to be under-reinforced, the maximum number of $16$ mm diameter reinforcing bars that can be provided is, $3$ $4$ $5$ $6$
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in
Concrete Structures
Feb 17, 2018
by
gatecse
4.0k
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gate2018-ce-2
concrete-structures
structural-engineering
concrete-beam
0
votes
0
answers
38
GATE2018 CE-2: 22
A reinforced-concrete slab with effective depth of $80$ mm is simply supported at two opposite ends on $230$ mm thick masonry walls. The centre-to-centre distance between the walls is $3.3$ m. As per $\text{IS }456:2000$, the effective span of the slab (in m, up to two decimal places) is ________
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Concrete Structures
Feb 17, 2018
by
gatecse
4.0k
points
gate2018-ce-2
numerical-answers
concrete-structures
structural-engineering
concrete-slabs
0
votes
2
answers
39
GATE2018 CE-1: 40
An RCC short column (with lateral ties) of rectangular cross section of $250 \: mm \times 300 \: mm$ is reinforced with four numbers of $16$ mm diameter longitudinal bars. The grades of steel and concrete are $\text{Fe}415$ and $M20$, respectively. Neglect ... ($\text{IS }456:2000$), the axial load carrying capacity of the column (in kN, up to one decimal place), is ______
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in
Concrete Structures
Feb 17, 2018
by
gatecse
4.0k
points
gate2018-ce-1
numerical-answers
structural-engineering
concrete-structures
design-of-column
0
votes
0
answers
40
GATE2018 CE-1: 41
An RCC beam of rectangular cross section has factored shear of $200$ kN at its critical section. Its width $b$ is $250$ mm and effective depth $d$ is $350$ mm. Assume design shear strength $\tau_c$ of concrete as $0.62 \: N/mm^2$ and maximum ... grade steel are used, then the required spacing (in cm, up to one decimal place) as per limit state method will be _____
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Concrete Structures
Feb 17, 2018
by
gatecse
4.0k
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gate2018-ce-1
numerical-answers
structural-engineering
concrete-structures
design-of-beams
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