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1 Design and drawing of RC Structures CV61 Dr. G.S.Suresh Civil Engineering Department The National Institute of Engineering Mysore-570 008 Mob: 9342188467 Email: gss_nie@yahoo.com
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2 Learning out Come Content of the course Scheme of Examination Reference Books Introduction to structural Drawing General Lay out Drawings Case Study on Lay out drawings
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3 Contents of the Course Part-A (Structural Detailing including Bar bending ) Layout Drawing Beams and Slabs Stair case Column Footing
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4 Contents of the Course (Contd.) Part-B (Design and Drawing ) Portal Frame Water Tanks Retaining Wall Combined footing
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5 Scheme of Examination Part A Answer 2 questions out of 3: Each 20 Marks Part B Answer 1 Question out of 2: 60 Marks Duration: 4 Hours
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6 Reference Books
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7 STRUCTURAL CONCEPTS AND SYSTEMS FOR ARCHITECTS & ENGINEERS -T.Y.LIN & S.D.STOTES BURY -JOHN WILLEY & SONS. REINFORCED CONCRETE DESIGNER’S HANDBOOK -CHARLES REYNOLDS & JAMES STEEDMAN -SPON
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8 HANDBOOK OF CONCRETE ENGINEERING -MARK FINTEL -CBS PUBLISHERS & DISTRIBUTORS Hand book on Design and Detailing of Structures -P.Dayaratnam -Wheeler Publishing
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9 MULTI-STORY FRAMES – CALCULATION & MOMENT TABLES. -Dr.ENG.F.TAKABEYA -WILHELM ERNST & SONS. Reinforced Concrete Structures Vol.1 and Vol.2 -B.C.Punmia -Lakshmi Publication Structural Design and Drawing -N.Krishna Raju -University Press
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10 HANDBOOK ON CONCRETE REINFORCEMENT AND DETAILING – SP34 (S&T) – BIS REINFORCED CONCRETE DETAILER’S MANUAL – B.W.BOUGHTON – ELBS ACI DETAILING MANUAL – AMERICAN CONCRETE INSTITUTE
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11 REINFORCEMENT DETAILING MANUAL – ROBIN WHITTLE – A VIEW POINT PUBLICATION. REINFORCED CONCRETE STRUCTURES – R.PARK & T.PAULAY – JOHN WILEY & SONS Problems in Structural Drawing – A.Yakubovich – MIR Publishers
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12 1. LAYOUT DRAWING
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13 Introduction Drawing is the language of engineers Structural drawings guide builders in the construction The guidelines given in IS 962 and SP 34 Drawings are prepared in different sizes In large projects, the structural drawings are of same size
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14 Introduction (Contd.) Sl. No.Designation Trimmed Size in mm Un Trimmed Size (Min) in mm 1A0841 x 1189880 x 1230 2A1594 x 841625 x 880 3A2420 x 594450 x 625 4A3297 x 420330 x 450 5A4210 x 297240 x 330 6A5148 x 210165 x 240 PAPER SIZE
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15 MARGINS AND DIVISION OF DRAWING SHEETS A0 Size
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16 MARGINS AND DIVISION OF DRAWING SHEETS A1 Size
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17 MARGINS AND DIVISION OF DRAWING SHEETS A2 Size
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18 MARGINS AND DIVISION OF DRAWING SHEETS A3 Size
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19 MARGINS AND DIVISION OF DRAWING SHEETS A4 Size
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20 MARGINS AND DIVISION OF DRAWING SHEETS A5 Size
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21 Introduction (Contd.) Title blocks are provided at right bottom corner
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22 Layout of Structural Drawing
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23 Scale: Plan:- 1:100, 1:50 Elevation:- 1:5, 1:30 Sections:- 1:50, 1:30, 1:25, 1:20,1:15,1:10
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24 Symbols Symbols Relating to Cross-Sectional Shape and Size of Reinforcement plain round bar or diameter of plain round bar; plain, square bar or side of plain square bar; # deformed bar (including square twisted bar) or nominal size (equivalent diameter or side) of the deformed bar.
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25 Symbols Symbols Relating to Shape of the Bar along its Lengths Alt Alternate bar Bt Bent bar B Bottom bar min Minimum max Maximum St Straight bar StpStirrup Sp Spiral Ct Column tie T Top bar
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26 Symbols Symbols Relating to Position and Direction EW Each way @Spacing centre-to-centre Limit of area covered by bars Direction in which bars extend
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27 Symbols Relating to Various Structural Members Bm or B Beams Col Column(s) Fg Footing(s) GR Girders JT Joints(s) LL Lintel(s) LB Lintel beam(s) Sb or S Slab(s) WL Longitudinal wall Wx Cross wall C Centre line
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28 Graphical Symbols
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29 Graphical Symbols Contd.
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30 Graphical Symbols Contd.
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31 Structural Lay-Out Drawing Positioning and orientation of columns Positioning of beams Spanning of slabs Layout of stairs Selecting proper type of footing
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32 Structural Lay-Out Drawing Two axes marked one side with alphabets and the other with numbers. Columns are marked at the intersection of grids Beams are marked using two parallel lines Slabs are indicated either as one way or two way
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33 Structural Lay-Out Drawing: Column & Footing A B C D 1234
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34 Structural Lay-Out Drawing
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35 Structural Lay-Out Drawing A B C D 1234
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36 Structural Lay-Out Drawing
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37 Summary Introduction to structural Drawing General Lay out Drawings Procedure for drawing column and foundation Lay-Out Drawings Procedure for drawing beam Lay-out Drawings Case Study on Lay out drawings
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38 Dr. G.S.Suresh Civil Engineering Department The National Institute of Engineering Mysore-570 008 Mob: 9342188467 Email: gss_nie@yahoo.com
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