Prestressed/post-tensioned concrete bridges - Computational Analysis and Design of Bridge Structures - page 141

128′ 6′′ Bearing to pier

647′ Bearing to bearing

128′ 6′′ Bearing to pier

128′ 6′′ Bearing to pier
33′ 4′′

130′ Pier to pier 130′ Pier to pier 130′ Pier to pier

34′ 6 1/4′′

52′ 4′′ 42′ 10′′ 43′ 4′′ 43′ 4′′ 43′ 4′′ 43′ 4′′ 43′ 4′′ 43′ 4′′ 43′ 4′′ 43′ 4′′ 43′ 4′′ 42′ 4′′ 51′ 1 3/4′′

Intermediate Diaphragm
spacing

3 SPA @

Skew: 25°0′ 0′′ LT.

12′ 7′′ 4′′

E8 E7
E6

A1
A2
A3
A4
A5

B1
B2
B3
B4
B5

C1
C2
C3
C4
C5

D1
D2
D3
D4
D5

E1

E2
E3
E4
E5

A6 A7
A8
12′ 3′′
Bent no. 1

See detail “C”
Span A

Intermediate diaphragm
See details drwg. c-29 Span B

Bearings Bearings

Bearings Bearing

Bent no: 6
(Expansion)

Span C

Bearings

Span E Bent no: 6

Pier no. 2
(Expansion)

Pier no. 3
(Seul-fixed)

Span D Pier no. 5

(Expansion)

Pier no. 3
(Semi-fixed)

9′ 6′′

Bearing
Bent no.1
(Expansion)

Beam erection plan

(a)

59′ 0′′ 0, 10 0, coping
44′ Clear roadway

7′ 6′′
6′ 4′′

7′ 6′′

12′

1′ 2′′ 4′ 12′ 12′ 4′ 6′ 4′′ 1′ 2′′

Line “A”
L Structure

2 1/2′′

Barrier rail

Profile
grade

Slope: 1/4′′/FT.

Slope: 3/16′′ / FT.

Slope: 3/16′′/FT.

6”

Post-tension
concerte beam
(TYP)

4 Spaces @ 12′ 6′′-50′ 0′′

4′ 6′′ 4′ 6′′

Typical section
Scale: 1/46′′ = 1′ 0′ (b)

Figure 5.14 (a) Five-span precast and (b) prestressed concrete bridge made continuous with post-tensioning tendons.