CE-208 ID[A0609].pdf
3
RoJl No. ..... ..... ..... ..... ...... Total No. of Questions: 09] [Total No. of Pages: 02 B.Tech. (Sem. - 4th) STRUCTURAL ANALYSIS - I SUBJECTCODE: CE - 208 Paper ID : [A0609] INote : Please fill subject code and paper ID on OMR) Time: 03 Hours Instruction to Candidates: - 1) Section - A is Compulsory. . 2) Attempt any Four questions from Section - B. 3) Attempt any T~o questions from Section - C. Maximum Marks: 60 .. . Section -.A Ql . . 10 x 2 = 20 i) j) - a) State tpe moment area theorem. b) How to findthe deflect on by strain energy method for a cantilever with concentrated load at the free end. c) For a pressure of liquid Pin their cylinder, find the stresses acting on i~. d) Derive expression for strain intheir cylinder. e) What is the basic difference between method of joints and method of . sections. f) What are the failures criteria of dams. What is the no tension criteria for a dam section. g) Draw influence line for shear force for a point in cantilever or overhang. h) Draw influence ine for shear force and B.M for single load W moving on the span. Differentiate between two hinged and fi ed arches. Find the horizontal reaction for uniformly loaded cable. Section -B (4 x 5 = 20 Q2 Find the det1ection of a cantilever beam with point load at the end. Q3 Derive expression for change i volume of a thin cylindrical shell due to an
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Transcript of CE-208 ID[A0609].pdf
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RoJlNo...........................
TotalNo. of Questions:09] [TotalNo. of Pages:02
B.Tech.(Sem.- 4th)STRUCTURAL ANALYSIS - I
SUBJECTCODE :CE-208PaperID : [A0609]
INote:Pleasefill subjectcodeandpaperID onOMR)
Time: 03Hours
Instruction to Candidates: -
1) Section- A is Compulsory.. "2) AttemptanyFour questionsfromSection- B."3) AttemptanyT~o questionsfromSection- C.
MaximumMarks: 60
.. ".Section-.A
Ql) . . (10x 2 =20)
i)
j)
-
a) Statetpemomentareatheorem.
b) Howtofindthedeflectionbystrainenergymethodforacantileverwithconcentratedloadatthefreeend.
c) Forapressureof liquid"Pin theircylinder,findthestressesactingoni~.d) Deriveexpressionforstrainintheircylinder.
e) Whatis thebasicdifferencebetweenmethodof joints andmethodof .sections.
f) Whatarethefailurescriteriaofdams.Whatisthenotensioncriteriafora damsection.
g) Drawinfluencelineforshearforceforapointin cantileveroroverhang.
h) DrawinfluencelineforshearforceandB.M for singleloadW movingonthespan.
Differentiatebetweentwohingedandfixedarches.
Findthehorizontalreactionforuniformlyloadedcable.
Section'-B
(4 x 5=20)
Q2) Findthedet1ectionof acantileverbeamwithpointloadattheend.
Q3) Deriveexpressionforchangein volumeof athincylindricalshellduetoaninternalpressure. "
M-83 /1859}. " P.T.O.
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Q4) FindtheforcesinthemembersAB, AC andBC ofa trusshavingaspan01'5metersbymethodof sections.It is carryinga loadof 10tonnes.
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Q5) A concretedamof trapezoidalse.ctionhavingwateronverticalfaceis 16mhigh.Thebaseof thedamis 8mwideandtop3mwide.Find
(a) Theresultantthrustonthebasepermlengthof thedam.
(b) Thepointwheretheresultantthrustcutsthebase.TakeWt of concreteas25kN/m3andwaterlevel~oincidingwiththetopof thedam.
Q6) Find themagnitudeof Bendingmomentsfor udl shorterthanthespanformovingloads. ...
Section- C(2 x 10=20)
Q7) Determipetheinfluencelinefordeflectionatfreeendaswellasatadistance'a' fromthefreeendof acantilever.
Q8) (a) DeriveanexpressionforradialshearF andnormalthrustN forathreehingedarch.. .
(b) A symmetricalparabolicarchwithacentralhinge,ofriserandspanL issupportedat'itsendsonpinsatthesamelevel.Whatis thevalueofhorizontalthrustwhenaloadWwhichisuniformlydistributedhorizontallycoversthewholespan.AlsofindtheB.M atanypointinthearchrib.
Q9) (a) A cableisswungbetweentwopointsatthesamelevelwithacentraldipof 12moveraspanof 120m.Thecablecarriesaudlofintensity2~N/mofhorizontaUength.Calculatethechangeinthehorizontaltensionif thetemperaturerisesby20~Ffromtheoriginaltakea =6x 10-6per1F.
(b) Deriveanexpressionfortemperaturestressesinsuspensioncable.
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M-83 2
