TST - Thakur polytechnic

jumpclaybrainedUrban and Civil

Nov 25, 2013 (3 years and 8 months ago)

86 views

THAKUR POLYTECHNIC

CIVIL ENGG DEPT








CE5E

SUBJECT:
-
TST (12138)










I.

3 MARKS QUESTIONS


1)

Define the following
……………(R)

a.

Slope

b.

Deflection

c.

Stiffness of a beam

2)

Enlist boundary conditions of a beam
………………(R)

3)

Explain concept and effect of fixity
…………………..(U)

4)

What are the advantages of a fixed beam?
.............

(R)

5)

State the principle of superposition. Draw the diagram
………..(R)

6)

A girder of uniform cross section is freely supported over a span of 3m. if
a point load of 30KN acts at mid span & I
xx
=
15.614x10
-
6
mm
4
, calculate
deflection at mid span. Take E=200GN/m
2
.

Use standard
formulae
……..(R)

7)

A SSB of span 6m is carrying an UDL of 25KN/m over its entire length.
Calculate its maximum slope if I= 1x10
8
mm
4

and E=210 GPa
……………
.
(R)

8)

For above beam calculate

maximum deflection
…………(U)


II.

4 MARKS QUESTIONS










1)

A SSB of span 5m carries a point load of 20KN

at 2m from LHS. Compute
maximum slope and deflection if MI= 1x10
8
mm
4

&
E=
2x10
5
N/mm
2
……………(A)

2)

A SSB of span 8m carries two point loads of 20KN & 40KN at 2m
and 6m
from LHS. Compute deflection under point loads if MI= 3x10
8
mm
4

&
E=2x10
5
N/mm
2
……………………..(A)

3)

For the following beam find slope at C. Take EI= 4000KN.m
2
……….(A)





4)

For the following beam find maximum deflection in terms of
EI
……………………….(A)




5)

A
fixed beam of span 6m carries a point load of 78KN at 4m from LHS.
Calculate fixed end moments using first principle.

6)

For given fixed beam calculate net BM at centre and draw SFD &
BMD
…………………..(A)



7)

A fixed beam of span 8m carries an UDL of 1KN/m througho
ut entire
span and a point load of 6KN at 3m from LHS. Calculate fixed end
moments and draw BMD
………………………..(A)

8)

A fixed beam of span 8m is subjected to point load P. find out the
position of the load if
left hand support moment is 1.8 times that of
right han
d support moment……………………(A)