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KARAIKUDI INSTITUTE OF TECHNOLOGYKIT & KIM Technical Campus

Department of Civil Engineering

Subject code & Name: CE 2351 Structural Analysis II

Date: UNIT- 1 Session: ForenoonTiming : 10.00am to 11.30am

Part A1. Determinate & Indeterminate structure give the examples2. Define flexibility of the structure3. Define static Indeterminacy4. Define primary structure5. Define flexibility Co efficient

Part B1. Analyze the continuous beam as shown in Fig 1 using forcemethod

2. Analyze the portal frame ABCD as shown Fig 2 using forcemethod

3. Analyze the pin joint plane frame as shown Fig 3 by usingflexibilityMethod the flexibility for each member is 0.0025mm/KN.

Date: UNIT-2 Session: AfternoonTiming : 1.30pm to 3.00pm

Part A1. Define degree of freedom2. Define stiffness co efficient3. Write short notes on element stiffness matrix4. Define transformation matrix

5. Define load vector

Part B1. Analyse the continues Beam as shown in Fig 4 by using stiffness

matrix method2. Analyse the portal frame as shown in Fig 5 by using stiffness

matrix method3. Analyse the portal frame as shown in Fig 6 by using stiffness

matrix method

Date: UNIT-3 Session: ForenoonTiming : 10.00am to 11.30am

Part A1. Define finite element method2. Define Discretization of a structure3. Define shape function4. Define plane stress & plane strain5. Give any four advantage of FEM

Part B

1.

Explain with detail about step by step procedure for finiteelement method

2. Derive the shape function for constant strain triangular element3. Determine the element stress and xy and the principle angle O p

of element

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Date: UNIT-4 Session: AfternoonTiming : 1.30pm to 3.00pm

Part A1. Define upper & lower brand theorem2. Define (i) shape factor (ii) load factor3. What is meant by plastic hinge?

4.

Define fully plastic moment5. Define plastic modulus

Part B1. Derive the shape factor for triangular and circular section2. Determine the collapse load W for the three span continuous

beam of constant plastic moment M p loaded as shown in Fig.73. Determine the collapse load for frame shown in Fig.8

Date: UNIT-5 Session: Forenoon

Timing : 10.00am to 11.30am

Part A1. What are the need for cable structure?2. What are the types of stiffening girders?3. Define tension co efficient?4. What are the cable structure?5. Write stress in suspended wire due to self-weight ?

Part B1. (a) A three hinged stiffening girder of a suspension bridge Of 100m

span subjected to two point loads 10 KN each placed at 20m and40 mm respectively from the left hand hinge Determine thebending moment and shear force in the girder at section 30 m fromeach end also determine the max tension in the cable which hasa central dip of 10 m

2. Using tension co efficient, analyze the cantilever, plane stress

ashown Fig9 and Find member forces.

3.A suspension bridge has a span a 15m wide runway. It issubjected to of 30 KN/m including a self-weight. The bridge issupported by a pair of cables having a central clip of 4 m. Find

the cross sectional are of cable necessary if the maxpermissible stress in the cable material is not exceed 600 Mpa

Date: Session : Af ternoon

Timing : 1.30pm to 3.00pmPart A

1. What is flexibility of a structures?2. What is meant by element stiffness matrix?3. Define aspect ratio and give any two properties of stiffness

matrix4. Define plastic hinges?5. What are the types of stiffening girders?

Part B6. Analyse the continues Beam as shown in Fig 10 by using

stiffness matrix method7. Analyze the continuous beam as shown in Fig11 using force

method8. Determine the collapse load for a frame ABCD the span and

spanAB = 4 m and 2W load act at the center of the span andspan BC= 5m,then the 3W/4 load act at the 2m from the point BAnd the span CD =2.5 m. the frame support A is fixed and D ishinged

HOD/ CED

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