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CE3420 - Quiz 1 - Feb 17, 2012

45 marks

-Name:

QBAL

BA\6

Roll No.: l E - O q B O ~ ~

For questions 1-15 each

answer

will

be

given marks

if

it is right and 1

mark

if

it

is

wrong.

Give

these

answers

in

the

question

paper

itself

1.

Give

two qualities of

concrete

that m ~ k e

it

b e n e f

J

or

dar

c o n s t r ~ oOM.f-rtA-cJM

oVI.. .

~ k \c ric r6f(V-ArLV\.

fO' \J\ WVV\

2.

.

~

~ fU:e- i , ClAvf

j . r ~ Yr

V

l.bL

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CE3420 - Quiz 1 - Feb 17 2012

page 2

4.

In

a high ' b 'Id'

the

load

i ; l ~ e e S s . u ~ o : ~ ~ ~ e t ~ ~ I ~ ~ c ~ ' c r o ~ s - s e c t l ~ n

can

be

reduced in

the higher

floors since

strengths are used in the same h i ~ ~ n r i : e

u ~ ~ i ~ d ~ ~ ~ ~ : ~ :

same and concretes of different

fV< ( ) . \ ~ e A ~

())LUXVI VL ~ 1 4 ? , iw 0 0 P J>v ~ ' - : J

evv et f.fr

LA

G{vvrJ iAJ-tW o

I

d ~ ;J A.

UU-4',.ot

Le.-

5. Give

two

actions

that

can be

taken

to make concrete impermeable?

~ w

~ a t

F b

1

~ U ;

~

r

~ i r : ;

..

6.

Give two applications of

concrete

in M e t r o

(underground

rail)

project?

~ h . o t ~

WL-D.. ~ r t v . .

W ~ t - r ~ u - ; O " ' " ' -

t-oo.

7.

~ ~ ~ g ~ O

polypropylene fibres

help

during

a

fire

in a

tunnel

with a high strength concrete

nU .f

Me.

~ U l c J o r L ~

tfrUM 5

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1 r ~

1,

"vv;

~ ~ V v

t ~

~ e -

~ t

~ o J .

t6 t V o I A ~ ~ on ~ ; Y V ~ ~ tv

~

g f ~ t L --ThU\L (/.AL ~ V \ - - ~ 1 A . . b

O V v 1

t...., c.oN

ty

t.ALi Y \ ~ U\...., ~ ro.UM--vtALO

10. What can cause the fibre distribution in

even though the fibres are mixed u n i f O r ~ I P y r e ~ ~ ~ ~ o ~ u o t n b c r e l l ~ e

s)labb fto b e c o ~ e

anisotropic

a

109 or.

castong?

r

r7

D

.A-t-

k

--1h

e-, vllolV--'h'

-thL

t'

000

L 1 J \ p ~

~

( ) 14 ;

lr\. )

( ~

;0 - c.n.-",

~ t T 2 L d - e . . J

M r ( L n ~ 1 V d5itr ~ ~ 0-- Vo ( e- t.ptrt1'-

c;t-UJl

~

tA

:{n:.Ju.;lw- . v ~ c.ct

U .13 r;ooe. .

11.

What

is common between SIFCON and LitraCon?

QAe..

MrOtjul

1/\

0...

~ c d n ) (

;

'-11rv-.

V V V J ~

&

GArY

'a

. , V V \ ~

,

f,

i c 0 \1 UV

I t

dvohe

-to

~ U I ' ( e . . -

t

~ F W I -

Ovrr

A

V j ~ fVlb.Alr

~ r

lfloow ,

,

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CE3420 - Quiz 1 - Feb 17,

2012

page 4

12. What

is

tilt up

construction?

W ~

Q;1L- Wl.ArJ

oW \.-

~

L311n M t e ~

~

door>

W

~ i r - d ~ - f i r \ ~ o o ~ e ~ ~ -f

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(

\

CE3420 Quiz 1 F b ~ ~ .

:

~ ~ ~

__________ ~ 7 ~ : 2 ~ O ~ 1 ~ 2 __________________________ ~ ~ _ ~

/

age

5

ach

of

the

nsw rs

to

th folio .mg

qu stions

.

16.

In normal concrete the

. IS

worth up to 5 marks

the other hand in hi maximum possible size

of

a

17.

~ h a t

are

the

~ a i n

a a ~ : : ; : ~ 2 t h

c ~ n c r e t e

smaller

a ~ ~ ; ~ ~ : : ~ ; s

generally

used. Why?

On

e pcoperties of

the

harden s an

disadvantages of

wet

an

are used. Why?

concrete before

pumping

ed shotcrete

different

fcom

that

d f

dry

mix

shotcrete? Why are

o

or

determining it in the

18.

IEXPlaln the concept of o ~ g h

0

0

a cube cast with the same

aboratory

ness In

FRC

Glove

0

. ne

meth

d f

0

hD rY\Ol

. L . ~ t M . . . v 6

- ) tAP L-- D ;

r- -

the-- j d - . . ~

o . J 8 Y L J ~ e -

So

~ ~

~ r

NJ ~

o NJ b

e1;uJ

~ p"--b tt..

--CA-U2/.I-

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~ I

~ O l l L - -

..

rp o

tvo q

~ . ( . .

tY)

U : - ~ t7--

L

r o ( j ~ ' h t ~

~

---th j

~

t ~ O l A .

t

1

t

+

>

+

+

f