Recent questions tagged highway-pavements / GO Civil

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GATE2020 CE-2-31
The flow-density relationship of traffic on a highway is shown in the figure The correct representation of speed-density relationship of the traffic on this highway is

The flow-density relationship of traffic on a highway is shown in the figureThe correct representation of speed-density relationship of the traffic on this highway is

go_editor

5.3k points

go_editor asked Feb 13, 2020

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2

GATE2019 CE-1: 12
An isolated concrete pavement slab of length $L$ is resting on a frictionless base. The temperature of the top and bottom fibre of the slab are $T_t$ and $T_b$, respectively. Given: the coefficient of thermal expansion $=\alpha$ and the elastic modulus $=E$ ... is calculated as $L \alpha (T_t-T_b)$ $E \alpha (T_t-T_b)$ $\dfrac{E \alpha (T_t-T_b)}{2}\\$ zero

An isolated concrete pavement slab of length $L$ is resting on a frictionless base. The temperature of the top and bottom fibre of the slab are $T_t$ and $T_b$, respectiv...

Arjun

13.0k points

Arjun asked Feb 14, 2019

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GATE2019 CE-1: 38
A box measuring $50 \: cm \times 50 \: cm \times 50 \: cm$ is filled to the top with dry coarse aggregate of mass $187.5 \: kg$. The water absorption and specific gravity of the aggregate are $0.5 \%$ and $2.5,$ respectively. The maximum quantity of water (in kg, round off to $2$ decimal places) required to fill the box completely is __________

A box measuring $50 \: cm \times 50 \: cm \times 50 \: cm$ is filled to the top with dry coarse aggregate of mass $187.5 \: kg$. The water absorption and specific gravity...

Arjun

13.0k points

Arjun asked Feb 14, 2019

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4

GATE2019 CE-2: 11
Structural failures considered in the mechanistic method of bituminous pavement design are Fatigue and Rutting Fatigue and Shear Rutting and Shear Shear and Slippage

Structural failures considered in the mechanistic method of bituminous pavement design areFatigue and RuttingFatigue and ShearRutting and ShearShear and Slippage

Arjun

13.0k points

Arjun asked Feb 12, 2019

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GATE2019 CE-2: 34
A flexible pavement has the following class of loads during a particular hour of the day. $80$ buses with $2$- axles ( each axle load of $40 \: kN$) $160$ trucks with $2$-axles (front and rear axle loads of $40 \: kN$ and $80 \: kN$, respectively) The equivalent standard axle load repetitions for this vehicle combination as per $IRC:37-2012$ would be $180$ $240$ $250$ $320$

A flexible pavement has the following class of loads during a particular hour of the day.$80$ buses with $2$- axles ( each axle load of $40 \: kN$)$160$ trucks with $2$-a...

Arjun

13.0k points

Arjun asked Feb 12, 2019

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6

GATE2016-2-21
In the context of the $IRC \: 58-2011$ guidelines for rigid pavement design, consider the following pair of statements. Radius of relative stiffness is directly related to modulus of elasticity of concrete and inversely related to Poisson's ratio Radius of relative stiffness is directly ... is correct? I. True; II: True I. False; II: False I. True; II: False I. False; II: True

In the context of the $IRC \: 58-2011$ guidelines for rigid pavement design, consider the following pair of statements.Radius of relative stiffness is directly related to...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 27, 2018

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GATE2017 CE-1: 32
The following observations are made while testing aggregate for its suitability in pavement construction: Mass of oven-dry aggregate in air $=1000 $ g Mass of saturated surface-dry aggregate in air $=1025 $ g Mass of saturated surface-dry aggregate under water $=625 $ g ... and water absorption $=2.5 \%$ apparent specific gravity of aggregate $=2.5$ and water absorption $=2.4 \%$

The following observations are made while testing aggregate for its suitability in pavement construction:Mass of oven-dry aggregate in air $=1000 $ g Mass of saturated su...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 26, 2018

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8

GATE2015-2-52
Match the information related to tests on aggregates given in Group - I with that in Group - II. ... $P - 4; Q - 1; R - 3; S - 2;$ $P - 3; Q - 4; R - 2; S - 1;$

Match the information related to tests on aggregates given in Group – I with that in Group – II.$\begin{array}{ll} \text{Group – I} & \text{Group – II} \\ P. \tex...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 26, 2018

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9

GATE2015-1-22
The penetration value of a bitumen sample tested at $25^{\circ}C$ is $80$. When this sample is heated to $60^{\circ}C$ and tested again, the needle of the penetration test apparatus penetrates the bitumen sample by $d$ mm. The value of $d$ CANNOT be less than ______ mm.

The penetration value of a bitumen sample tested at $25^{\circ}C$ is $80$. When this sample is heated to $60^{\circ}C$ and tested again, the needle of the penetration tes...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 26, 2018

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10

GATE2014-2-52
On a section of a highway the speed-density relationship is linear an is given by $v=\big[80 – \dfrac{2}{3}k\big]$; where $v$ is in km/h and $k$ is in veh/km. The capacity (in veh/h) of this section of the highway would be $1200$ $2400$ $4800$ $9600$

On a section of a highway the speed-density relationship is linear an is given by $v=\big[80 – \dfrac{2}{3}k\big]$; where $v$ is in km/h and $k$ is in veh/km. The capac...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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11

GATE2014-2-27
An observer counts $240$ veh/h at a specific highway location. Assume that the vehicle arrival at the location is Poisson distributed, the probability of having one having vehicle arriving over a $30$-second time interval is _________

An observer counts $240$ veh/h at a specific highway location. Assume that the vehicle arrival at the location is Poisson distributed, the probability of having one havin...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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12

GATE2014-1-24
The following statements are related to temperature stresses developed in concrete pavement slabs with free edges (without any restraint): The temperature stresses will be zero during both day and night times if the pavement slab is considered weightless The temperature stresses will be ... slab is considered The TRUE statement(s) is(are) P only Q only P and Q only P and R only

The following statements are related to temperature stresses developed in concrete pavement slabs with free edges (without any restraint):The temperature stresses will be...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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13

GATE Civil 2013 | Question: 23
It was observed that $150$ vehicles crossed a particular location of a highway in a duration of $30$ minutes. Assuming that vehicle arrival follows a negative exponential distribution, find out the number of time headways greater than $5$ seconds in the above observation? ________

It was observed that $150$ vehicles crossed a particular location of a highway in a duration of $30$ minutes. Assuming that vehicle arrival follows a negative exponential...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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14

GATE Civil 2013 | Question: 22
Select the strength parameter of concrete used in design of plain jointed cement concrete pavements from the following choices: Tensile strength Compressive strength Flexural strength Shear strength

Select the strength parameter of concrete used in design of plain jointed cement concrete pavements from the following choices:Tensile strengthCompressive strengthFlexura...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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15

GATE Civil 2012 | Question: 23
Two bitumen samples X and Y have softening points $45^{\circ}C$ and $60^{\circ}C$, respectively. Consider the following statements: Viscosity of X will be higher than that of Y at the same temperature. Penetration value of X will be lesser than that ... Both I and II are TRUE I is FALSE and and II is TRUE Both I and II are FALSE I is TRUE and and II is FALSE

Two bitumen samples “X” and “Y” have softening points $45^{\circ}C$ and $60^{\circ}C$, respectively. Consider the following statements:Viscosity of “X” will b...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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16

GATE2018 CE-2: 17
As per $\text{IRC:}37-2012$, in order to control subgrade rutting in flexible pavements, the parameter to be considered is horizontal tensile strain at the bottom of bituminous layer vertical compressive strain on top of subgrade vertical compressive stress on top of granular layer vertical deflection at the surface of the pavement

As per $\text{IRC:}37-2012$, in order to control subgrade rutting in flexible pavements, the parameter to be considered ishorizontal tensile strain at the bottom of bitum...

gatecse

4.0k points

gatecse asked Feb 17, 2018

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17

GATE2018 CE-1: 14
A bitumen sample has been graded as $\text{VG}30$ as per $\text{IS:}73-2013$. The $'30'$ in the grade means that penetration of bitumen at $25^{\circ}C$ is between $20$ and $40$ viscosity of bitumen at $60^{\circ}C$ is between $2400$ and $3600$ ... of bitumen at $27^{\circ}C$ is more than $30$ cm elastic recovery of bitumen at $15^{\circ}C$ is more than $30 \%$

A bitumen sample has been graded as $\text{VG}30$ as per $\text{IS:}73-2013$. The $'30'$ in the grade means thatpenetration of bitumen at $25^{\circ}C$ is between $20$ an...

gatecse

4.0k points

gatecse asked Feb 17, 2018