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CIVL 114 Civil Engineering Drawing. Topic 7 Concrete blocks Setting lineweight and printing. Outline. Seawall blocks drawing Front elevation Side elevation Before Printing Use a suitable linetype scale Assign appropriate lineweights Set up the plot details Reference reading

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Civl 114 civil engineering drawing

CIVL 114Civil Engineering Drawing

Topic 7

Concrete blocks

Setting lineweight and printing


Outline
Outline

  • Seawall blocks drawing

    • Front elevation

    • Side elevation

  • Before Printing

    • Use a suitable linetype scale

    • Assign appropriate lineweights

  • Set up the plot details

  • Reference reading

  • Homework



To draw the front elevation
To draw the front elevation

  • Format – Layer – Layer properties manager

  • Prepare layers for center, hidden and dimension lines; use appropriatelinetypesand ltscale

Details of the icon

- refer to textbook


To draw the front elevation1
To draw the front elevation

  • Draw 2700 by 1350 rectangle;

  • OFFSET to inside by 40 (all chamfers: 40mm);

    (Modify – Offset)

  • Connect corners with lines


To draw the front elevation2
To draw the front elevation

  • EXPLODEand OFFSET the left edge by 100 for the hole;

    (Modify – Explode)


To draw the front elevation3
To draw the front elevation

  • Put it on the hidden line layer

  • Set the linetype and linetype scale as follows:

    • Format – Linetype – Global scale factor

    • LTSCALE (short cut : lts)


To draw the front elevation4

Shift + Right Click

To draw the front elevation

  • To draw the (left) center line:

    • try LINE – (use FROM snap mode; by Shift+Right click) –

      • From Basepoint: (pick top left corner)

      • <Offset>: @ 800,0

      • Specify next point: @ -300,-1350


To draw the front elevation5
To draw the front elevation

  • Put it on the center line layer

  • SCALE the center line by 1.2

    (Modify – Scale)


To draw the front elevation6
To draw the front elevation

  • MIRROR everything on the left to the right


To draw the side elevation
To draw the side elevation

  • Turn on both OSNAP and OTRACK for object tracking

  • RECTANG

    • Without clicking, touch the top right corner and move mouse to the right (dashed line appears; see below)

    • Enter 1000 (or other suitable separation)

    • Specify other corner point: @ 2025, -1350


To draw the side elevation1
To draw the side elevation

  • Modify - CHAMFER

    – specify both chamfer distances as 40

    – enter P (polyline option) – pick the rectangle in side view

    **CHAMFER: similar to FILLET but bevels the edges rather than round them **


Before printing use a suitable linetype scale
Before Printing Use a suitable linetype scale

  • Check your original drawing limits using the LIMITS command: they are from (0,0) to (a,b) (e.g. a = 12, b = 9)

  • Check the dimensions (AxB) of your paper, in mm (e.g. 297x210 for A4 or 420x297 for A3 paper)

  • What scale is to be used, 1:S (e.g. S = 50 for 1: 50 scale)

  • Approximately, the linetype scale should be (A/a)xS(e.g. 297/12x50). This is set in Format – Linetype Scale (for the Global Scale Factor)


Before printing use appropriate lineweights
Before PrintingUse appropriate lineweights

  • Choose File – Plot Style Manager (the following table appears)


Before printing use appropriate lineweights1
Before PrintingUse appropriate lineweights

  • Double click “acad.ctb”(a file which stores the lineweight information by color) - click “Form View” tab and the menu appears:


Before printing use appropriate lineweights2
Before PrintingUse appropriate lineweights

  • Select the color that you used for each line type when creating the drawing. e.g. you may have used red (color 1) for all center lines; purple (color 6) for hidden lines, blue (color 5) for steel bars, black (color 7) for solid lines (title block and concrete outline, etc.).

  • Assign the appropriate lineweight for each color (e.g. 1mm for blue, 0.5 mm for black, etc.) – Save & Close.


Set up the plot details
Set up the plot details

File – Page Setup Manager(the Page Setup Manager menu appears)


Set up the plot details1
Set up the plot details

  • Select “*Model*” and click “Modify…”, then the following menu appears:


Set up the plot details2
Set up the plot details

  • For Plot style table, choose acad.ctb – Yes to use the lineweightes you assigned

  • Choose Printer/plotter (e.g. BarnCL5) and Paper size (usually A3)

  • In Plot Area, choose what to plot (e.g. by window & choose corners of title block)

  • Plot scale:

  • Check “Fit to paper” if scale is unimportant (e.g. just a rough draft)

  • If a scale is specified, then uncheck “Fit to paper”

    • Suppose scale is 1:50 (meaning: 1 mm on paper will represent 50 mm of actual object), while drawing dimensions are in mm.

    • Choose “1:50” directly or choose “Custom” and set 1 mm (on paper) = 50 units (on drawing)

  • In “Plot offset”, select “Center the plot”

  • Always Preview: change the orientation to Portrait or Landscape if needed (right-click - Exit to exit preview). Click “OK” – “Close” if all is OK.


Homework
Homework

  • Draw 1:1 (using the given dimensions in mm) on AutoCAD

  • Print at 1:50 scale on A3 paper (put both the two types of blocks on the same drawing)

  • Use proper lineweight as discussed in first lecture





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