Experiment No:-7
TWO
SPAN PIPE CULVERT
Aim:-
To
draw the Two span pipe culvert using AutoCAD software
Problem:
The
specifications for a pipe culvert are Road embankment and stream
Width
of road - 4700mm
Bed
level of stream - +50.00m
Road
level - +52.10m
Thickness
of road metalling – 250mm
Slop
of earthen road embankment - 1:1
Pipes:
Number
of pipes - 2
Diameter
of cement concrete hume pipes – 1000mm
Thickness
of the pipes - 50mm
Spacing
of pipes - 1600 mm c/c
Pipe
joints - collar joint in cm 1:2
Pipes
seated in cement concrete 500m thick the concrete is laid 200mm below bed
level.
Seating
at ends have slope 1:1/2 on inner side
Width
of seating at bottom - 2700mm
Width
of seating at top - 3200mm
Details
of retaining walls at ends of pipes
Top
level - +52.15m
Top
width - 500mm
Bottom
width - 1100mm
Bottom
level - + 49.25m
Front
face vertical
Width
of foundation concrete - 4200mm
Thickness
of foundation concrete - 300mm
Parapet:
Length
- 4200mm
Height
- 750mm above road level
Thickness
- 400mm from +52.150m
coping
100mm thick
Earth
filling
Earth
filling above hume pipes - 650mm
and
over which road metals provided . Finally surface dressing for 100mm thickness
is provided Bed pitching
Rough
stone pitching 450mm thick for 2000 mm length both in u/s and D/s sides and a
bell bund from +51.75 to + 50.00m
Any
more data required may be assumed suitably
Draw
the following views in a suitable scale
1.
Half plan at top and half at foundation level
2.
Longitudinal section
3.
Front elevation
4.
Beading details of pipes
Procedure:
1.
switch on the computer
2.
Open Auto CAD 2014
3.
Setting units
(
ii) set the unit as decimal & millimeter
4.
Setting limits
5.
Zoom – All
6.
Using Line command R.C.C. slab culvert with
splayed
wing wall are drawn.
7.
using hatch command where our necessary
8.
Dotted lines are drawn using line type.
Result:
Thus
the Two span pipe culvert are drawn using
Auto
CAD 2014 software
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