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Corrugation 150
Lowered section - type 2 - Corrugation 150

Corrugation 150 is available for the Underpass Type 2of the Imeva’s corrugated steel sheet culverts, a shape suitable for tunnels in which, in addition to a considerable width, it is important to have also a convenient height. It differs from the circular section for the flattening of the base and for the better distribution of the contact pressure on the ground at the corners. It is used for the passage of both pedestrians and road traffic, suitable for underground tunnels and to protect mountain roads from falling rocks.

Corrugation types for Lowered section - type 2

Culvert thickness
Embankment height
m
min
+
1,0
4,5
4,5
5,5
5,5
6,0
6,0
7,0
7,0
7,0
7,0
7,0
7,0
7,0
7,0
1,01
+
2,50
4,5
4,5
5,5
5,5
5,5
6,0
7,0
7,0
7,0
7,0
7,0
7,0
7,0
7,0
2,51
+
4,00
4,5
5,5
5,5
5,5
6,0
6,0
7,0
7,0
7,0
7,0
7,0
7,0
7,0
7,0
4,01
+
5,50
5,5
5,5
5,5
6,0
6,0
6,0
7,0
7,0
7,0
7,0
7,0
7,0
-
-
5,51
+
7,00
5,5
6,0
6,0
7,0
7,0
7,0
7,0
7,0
-
-
-
-
-
-
7,01
+
8,50
6,0
7,0
7,0
-
-
-
-
-
-
-
-
-
-
-
Geometric characteristics
plates
8
9
10
11
12
spaces
59
62
65
68
71
74
77
81
84
87
90
93
96
99
Light
m
4,65
4,89
5,14
5,40
5,65
5,88
6,13
6,42
6,67
6,92
7,18
7,42
7,68
7,91
Arrow
m
4,25
4,43
4,63
4,82
5,02
5,19
5,39
5,77
5,97
6,16
6,37
6,54
6,73
6,91
Section
m
16,30
17,82
19,80
21,65
23,60
25,65
27,50
30,75
32,95
35,15
37,85
40,10
42,85
45,25
Theoretical weight with bolts
Thickness
mm
2,5
452
473
499
520
540
566
587
615
635
656
683
703
724
750
3,5
616
645
681
709
737
773
802
840
868
896
932
960
989
1024
4,0
697
729
770
802
833
873
906
949
982
1013
1054
1086
1118
1158
4,5
777
814
858
894
930
974
1011
1059
1095
1131
1176
1211
1248
1292
5,5
939
984
1037
1081
1124
1177
1222
1281
1324
1367
1422
1465
1509
1562
6,0
1053
1099
1138
1184
1243
1291
1337
1400
1468
1527
1565
1612
1680
1727
7,0
1207
1261
1316
1370
1438
1493
1548
1621
1689
1756
1811
1865
1934
1988

The indicated dimensions, referred to the inside of the corrugation, are nominal and therefore subject to manufacturing tolerances.

The indicated thicknesses are nominal and refer to the ungalvanized raw element; for them the tolerances according to UNI EN 10051 apply. Different tolerances must be agreed in advance. As they are theoretical, the weights are also variable according to the tolerances applicable to the thickness.

The minimum height of the embankment must be determined with specific verification by the designer.

For all sections, the number of elements is approximate and may vary depending on the availability of the elements themselves.

The dimensions in this table are approximate and not binding.

If greater thicknesses than those in the table – related to embankment height –are selected, ask for feasibility in advance, due to the possible deformation of the holes when the “radius of curvature/thickness” ratio is reduced.

TECHNICAL DETAILS - Lowered section - type 2

Underpass Type 2 | Corrugation 150

Plate - Lowered section - type 2

Plate Corrugation 150 | Underpass Type 2

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Technical data sheet

power drawings

DWG

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EASM

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Installation manual

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