For More Question Papers Visit - www.pediawikiblog.com

Code : 9CE-55D

V S6mester Diplopa Examination, Nov./Dec. 20ls

m

Register Number

co

IRRIGATION AND BRIDGE DRAWING Time:4Hoursl

(ii) (iii) (iv)

- A)

Data not given may be suitably assumed.

Drawing should be neat and fully dimensioned.

-A

PART

ib

l.

Question - I is compulso-ry-. (PART Any one in PART - B.

g.

: (i)

lo

Note

I Max. Marks : 100

The particulars of a Tower Head Service are given below

.i

BUND DETAILS

ia

w

ik

HYDRAULICDATA: Top Bund Level (TBL) - RL 100.00 M Max. Water Level (MWL) - RL 99.00 M Full Tank Level (FTL) - RL 98.00 M Bed Level (sill level) - RL 96.00 M Hard Soil - RL 95.60 M

:

;

.p ed

width 1.80 m U/S slope I t/z: I D/S slope 2: I Top

TOWER DETAILS

head Well diameter Wall thickness Plug diameter

w

w

w

Top of tower

Cistern

RL 99.20 m 1.20 m

45 cms 200 cms 160 cm wide

x

175 cm high

TUNNEL DETAILS Tunnel

-60cmx60cm

Thickness of slab ever-tunnel

-

l5

Side wall of tunnel

-

60 cm thipk

cms

Wing wall sloping along slop of bund [Turn over

For More Question Papers Visit - www.pediawikiblog.com

For More Question Papers Visit - www.pediawikiblog.com

2

Bund Rivetment

-

Regulating arrangement Handle of rod Plug stone . Vent stone

-

2134

45 cm thick rough stone dry packing over 15 cm thick gravel back. Mild steel rod of 25 rnm diameter 45 cm minimum length and 25 mm minimum diameter.

m

9CE.55D

750 x 600 x 150mm 200 x 200 mm Lower vent assumed. suitably may be All other dimensions Draw to a scale of I : 50 the following views :

Longitudinalsection Halfplan at Top & Foundation Cross-sgction of tunnel. Details of plug and plug chamber to a scale of :

I

: 50.

(1) (2) (3)

4 km2

8 Ryve's constant Velocity of flow through natural 1.5 m/sec water course 8.00 m Average width of water course

Afflux

Velocity

12 cms

of flow under the

ed

(4) (5) (6)

Catchment Area

ik

PART - B (ANY ONE QUESTION) Following are the detaitrs of a RCC slab culvert proposed across a water course (A) Hvdraulic Particulars

ia w

2.

ib

lo

(a) (b) (c) (d)

g. co

,

-

.p

(B)

culvert (7) Number of spans Constructionai Details Bed (2) High Flood (3) Road formation Thickness of RCC (5) Thickness of wearing (6) Bearing of slab on abutment pier Pier details : S.S. Masonry Top width

w

w

w

(l)

(4)

1.25 times the natural velocity 02 Nos.

level level level slab course and

100.00 102.00 102.60 30 cms 10 cms

40 cms

0\

Side

0.90 m

Vertical

For More Question Papers Visit - www.pediawikiblog.com

20 20 04

06

Total50 Marks

For More Question Papers Visit - www.pediawikiblog.com

9CE55D (8)

:

3

.2134

Abutment details S.S. Masonry

width width

Top Bottom

1.00 m

(9) Parapet details

m

1.50 m

slab

75 cms

(lo) llliss-@ulsElE

spi-;F';G;i[

at 4so from road formation level to

bed level

Top width

Front face Vertical Back face has a baffer of I in 6. Foundation for abutment, pier and wing walls consists of two courses of S.S. Masonry of 60 cms thick each over a concrete bed of 60 sms thick with usual offsets.

lo

l)

50 crns

ib

(l

ik

Calculate:

(i) (ii)

g. co

R.C.C. parapet

Maximum flood discharge using Ryve's formula

I

: 50 the following views :

w

Draw to a scale of

ia

(a) Half longitudinal section and half longitudinal (b) Half top plail andhalf of foundation plan.

eleVation

20 20

ed

Total50 ' Marks

A small T-beam

.p

and deck slab bridge of two span across a canal has the following constructional details :

w

(l) Span width (2) Bed level of canal (3) FSL (4) Free-board (5) Width of canal (6) Road formation level (7) Side slope of canal (8) Thickness of Rivetment (9) Road width between parapet (10) Kerb on either side

w

w

:

4*3:7

Design the liners waterway and span for culvert

(iiD

3.

3

3.5 m

RL 50.00 m RL 52.00 m 1.00 m 8.20 m

RL 53.58 m 1

:I

30 crn 4.40 m 15 cm

x

15 cm

[Turn over

For More Question Papers Visit - www.pediawikiblog.com

For More Question Papers Visit - www.pediawikiblog.com gCE-ssD 4

Z.u.4

(l l) Thickness of RCC slab 20 cms (12) Thickness of rib of T-beam 30 cms (13) Width of rib Z0 cms (14) Number of ribs 3 Nos. at 2 m C/C with

pier pier water Ease water

60 cms Vertical

60; -

g.

Pier details : Size stone masoffy Width of Sides of Cut

co m

equal overhanging on both sidei.

Semi-circular

Abutment details

lo

Size stone masonry

width

ik

ib

Top 70 cms Bottom width at RL 49.70 1.30 m Provide 15 cm thick c.c. coping projecting 5 cm all round the pier and abutment. Foundation details (pier and abutments) -RCC I :4 : 8 at RL 49.30 , Thickness of 40 cms Footing projection 20 cms

w

RCC

Wing wall details

ia

Size stone masonry

Return type wing walls Top

width

.p ed

50 cms Bottom width at RL 49.70 1.00 m Foundation details same as the abutment. Parapet details Size stone masonry posts on the abutment & pier 30 cm x 30 cm. size RCC posts two nos. in between masonry postS with pipe railiig size l0 cm x l0 cm. (RCC posts)

parapet

w

w

w

Height of 75 cm CC copping on parapet 15 cm thick Assume any other data, if necessary. Draw to a scale of I : 50 the following views Half longitudinal section and half Half plan at top, half plan at

(i) (ii)

:

elevation bottom

Zs 25

Total50 Marks

For More Question Papers Visit - www.pediawikiblog.com