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Precast elements made of reinforced pre-stressed concrete

Road and bridges concrete precast elements

The concrete precast elements used for bridges are standard- type and field adapted products, manufactured on the basis of IPTANA (Design Institute and Technical Consultancy for Road, Water and Air Transportation) projects. The elements are used for bridges constructions and road passage ways according to the "E" class with A30, V80.

Attic bonded prestressed beam with adherent ropes and I section

Name Length
[m]
Bearing length
[m]
Concrete volume
C32/40
[mc]
Weight
[t]
No. of strands Maximum moment of stress
[tm]
Proiect IPTANA C 644/l Plan 1/1603...3/1605
G⊥42-6 6,00 5,50 0,80 2,00 2+8 TBP12 24,0
G⊥42-8 8,00 7,50 1,05 2,65 2+12 TBP12 40,0
G⊥42-10 10,00 9,50 1,30 3,30 2+16 TBP12 42,0
Proiect IPTANA C 644/l Plan 4/1606...6/1608
G⊥52-10 10,00 9,50 1,50 3,75 2+14 TBP12 50,0
G⊥52-12 12,00 11,50 1,80 4,50 2+18 TBP12 58,0

Attic bonded prestressed beam with adherent ropes and over concreting with joint and I section

Name Length
[m]
Bearing length
[m]
Concrete volume
C32/40
[mc]
Weight
[t]
No. of strands Maximum moment of stress
[tm]
Proiect IPTANA C 644/l Plan 1/1609...9/1611
GI 72-14 14,00 13,50 5,42 13,50 8+19 TBP12 161,0
GI 72-16 16,00 15,50 6,20 15,50 13+19 TBP12 186,3
Proiect IPTANA C 644/l Plan 10/1606...12/1614
GI 80-16 16,00 15,50 6,54 16,40 11+19 TBP12 198,7
GI 80-18 18,00 17,50 7,33 18,40 14+20 TBP12 220,3

Grinzi de pod din beton precomprimat cu corzi aderente si sectiunea I joanctive cu placă de suprabetonare

Name Length
[m]
Bearing length
[m]
Concrete volume
C32/40
[mc]
Weight
[t]
No of strands Maximum moment of stress
[tm]
Proiect IPTANA C 6833/84 Plan 27/1700...29/1702
G 15-93 15,00 14,30 4,60 12,00 2+18 TBP12 165,3
2+16 TBP12 148
Proiect IPTANA C 6833/84 Plan 16/1689...18/1691
G 18-93 18,00 17,30 5,50 14,40 2+26 TBP12 225,0
2+22 TBP12 196,4
Proiect IPTANA C 6833/84 Plan 23/1706...35/1708
G 21-93 21,00 20,30 6,40 16,80 2+36 TBP12 272,3
2+32 TBP12 247,3
Proiect IPTANA C 6833/84 Plan 38/1711...40/1713
G 24-93 24,00 23,30 7,30 19,20 2+40 TBP12 281,5

Road precast elements

The concrete precast elements for road bridges are standard- type products manufactured on the basis of IPTANA projects.

"A" type wing

Type Length
[cm]
Height
[cm]
Width
[cm]
Concrete volume
C20/25
[mc]
Weight
[t]
A0 190 200 110 0,95 2,40
A1 250 240 130 1,38 3,45
A2 310 280 145 1,79 3,63
A3 370 320 155 2,10 5,25

"L" type elevation

Type Length
[cm]
Height
[cm]
Width
[cm]
Concrete volume
C20/25
[mc]
Weight
[t]
L0 160 200 150 1,54 3,80
L1 160 240 150 1,73 4,35
L2 160 280 150 1,93 4,83
L3 160 320 150 2,13 5,30

"D" type slab concrete

Type Length
[cm]
Height
[cm]
Width
[cm]
Concrete volume
C25/30
[mc]
Weight
[t]
D3 390 40 79 1,22 3,05
D4 490 40 79 1,53 3,83
D5 590 40 79 1,84 5,25

"D" type marginal slab

Type Length
[cm]
Height
[cm]
Width
[cm]
Concrete volume
C25/30
[mc]
Concrete volume
C20/25
[mc]
Weight
[t]
D3 390 40+40 79 1,23 0,34 3,90
D4 490 40+40 79 1,55 0,43 4,95
D5 590 40+40 79 1,86 0,52 5,95

"T" type Tympanum

Type Length Height
[cm]
Width
[cm]
Concrete volume
C20/25
[mc]
Weight
[t]
T2 240 33 53 0,29 0,73

"C" frame type

Type Length
[cm]
Height
[cm]
Width
[cm]
Concrete volume
C20/25
[mc]
Weight
[t]
C2 160 275 240 3,24 8,10

"P" frame type

Type Length
[cm]
Height
[cm]
Width
[cm]
Concrete volume
C20/25
[mc]
Weight
[t]
P2 120 160 234 1,21 2,91

"CP 2" terminal cell

Type Length
[cm]
Height
[cm]
Width
[cm]
Concrete volume
C20/25
[mc]
Weight
[t]
CP2 245 191,5 395 2,11 5,0

Handling:

The handling of the products is done by hanging, inside the mounting holes or inside the terminal lug. It's also done mechanically using a lifting device corresponding to the maximum load demand and to the span.

Transportation:

The products transportation is done either by train or by cars. The products shall be protected against overturning and sliding through anchor to the means of transportation.

Storing:

It is done in adequate places, on brackets, avoiding the contamination with substances that may destroy the concrete during usage. The brackets shall be placed at adequate distances according to the length of the product.

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