1

Major Issues on Bridge III

Bridge Design

Super Structure

R.C Girder

1'-8"

5'-3"

0'-7"

1" Ø-12 Nos

SECTION A-A SECTION B-B SECTION C-C

4'-0"

1'-0"DETAIL OF MID DIAPHRAM

Design strength of concrete=3000-psi (Cylinder)Yield strength of Re-bar =40000-psiCover Thickness = 1.5"Min splice length=44ØAlternative bar splice bet. L/5 to L/4 from the end.

Dead Load Camber of 3/4"at Mid-span.

NOTE;

5/8" Ø-18" c/c

3/4" Ø Side bars

3/8" Ø-9" c/c

1" Ø-34 Nos

5/8" Ø 4-1/2" c/c1/2" Ø 6" c/c 1" cover

1'-8"

5'-3"

0'-7"

1" Ø-15 Nos5/8" Ø-18" c/c

3/4" Ø Side bars

3/8" Ø-6" c/c

1" Ø-31 Nos

5/8" Ø 4-1/2" c/c1/2" Ø 6" c/c 1" cover

1" Spacer Bar 1" Spacer Bar1" Spacer Bar

5'-3"

0'-7"

1" Ø-19 Nos5/8" Ø-18" c/c

3/4" Ø Side bars

3/8" Ø-6" c/c

1" Ø-27 Nos

5/8" Ø 4-1/2" c/c1/2" Ø 6" c/c 1" cover

1" Spacer Bar

1'-8"

1" Ø-3 Nos

3/4" Ø Side bars

Ø 14" Stirrup1" Ø-3 Nos

3'-0"

1'-0"DETAIL OF END DIAPHRAM

1" Ø-3 Nos

3/4" Ø Side barsØ 14" Stirrup

1" Ø-3 Nos

2

Major Issues on Bridge III

Bridge Design

Super Structure

P.C Girder

3

Major Issues on Bridge III

Bridge Design

Super Structure

Slab

4

Major Issues on Bridge III

Bridge Design

Super Structure

Steel Truss , Cable Stayed , Suspension

Invite the international open tender for Material including design.

ADB

Construction

Foundation Work by Bored Machines

Construction of Bridge

Steel Truss Erection made by (3) Nos. of erection Towers and 5 Nos; of Mast Cranes simultaneously

Completion of Main Bridge

8

Major Issues on Bridge III

Bridge Design

Super Structure

Steel Truss

9

Major Issues on Bridge III

Bridge Design

Super Structure

Cable Stayed Bridge

10

Major Issues on Bridge III

Bridge Design

Super Structure

Suspension Bridge

Some bridges in Myanmar Uru Bridge Maezar Bridge

Myitthar Bridge (Kalaywa) Chindwin Bridge (Monywa)

Master Plan for Arterial Road Network Development in Myanmar

14

Establishment and operation of technical standards IV

Bridge Design

Standard Specifications for Highway Bridges For the Loading assumptions

- adopted by The American Association of State Highway and Transportation Officials (AASHTO)

- HS - 25 (125%of HS – 20 of AASHTO Highway Loadings) - Single heavy vehicle load of 75 t at 10m apart.

15

Expected Technical supports from Japan V

Challenges in Bridge sector

Bridge Maintenance and Management System is urgently needed for our

existing bridges over 20 Years Service life.

16

Conclusion VI

Our practice is not high technique

Trying improve the technical knowledge

Wish promote the information related to

Advanced Technology to enhance Road and

Bridge sectors

17