APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

FIRST SEMESTER M.TECH DEGREE EXAMINATION. DECEMBER 2015

Civil Engineering
(Structural Engineering)

01CE6107 Advanced Theory and Design of RC Structures

Max. Marks : 60 Duration: 3 Hours
PARTA

Answer any TWO
1. {aDiscuss the provisions in [5 456:2000 by which over reinforced sections are avoided in limit
state method of design (4) (b)Discuss the design philosophies of reinforced concrete (5)

. (8)Discuss limit state of serviceability (2)

(b) Design a rectangular beam of effective span 6m to carry a live load of 100 kN/m using
2 M20 and Fe415 (7)

3. Design a biaxially eccentrically loaded column section 300 xSOO mm carrying an axial
load of 1500 KN. Eccentricity with respect to major axis is 60 mm and with respect to
minor axis 15 40 mm (9)

PART B
Answer any TWO

4. Estimate the total deflection of a cantilever beam 300 x600 mm, span 4m, subjected to
a maximum bending moment of 210 സന of which 60% is due to permanent loads .
Assume tension steel = 1.17 %, compression steel -0.418%, cover to center of steel =37.5
mm, creep factor 1.6, shrinkage strain -0.003, M20 and Fe 415 (9)

5.(a) Discuss the different types Of column joints. (2) (b) A doubly reinforced beam 250 x 400
mm, reinforced with 3- 22mm bar in the compression side and 3- 28 mm dia in the tension
side, is subjected to a bending moment

( midspan under service loads) of 125 kNm. Assuming a clear cover of 30 mm, M20 mix
and
Fe 415 steel, find the maximum probable crackwidth for the beam. (7)

6.(a) Explain interaction between structural frame and shear wali with sketches (2)
(b) Design the exterior joint with the following details:
Column 550 X 550 mm with 2% steel with a maximum load on the column 5000kN, bar
diameter 30mm.
Main beam 500 X 600 mm, ultimate capacity 430kNm and tension steel 5 no:, 25mm
Spandrel beam 450X 750 mm, M 20 and Fe 415. Storey height=3m, reversal of

stresses not to be considered (7)