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Corrugation 150
Lowered section - type 1 - Corrugation 150

Corrugation 150 is available for the Lowered section Type 1 of Imeva’s corrugated steel sheet culverts, a shape recommended in cases where a certain area of the section is to be maintained, with a decrease in the vertical dimension and an increase in the horizontal one. Thanks to its hydraulic efficiency, the larger size of the lowered section culvert extends its use to small tunnels or to the conveyance of watercourses of a certain importance.

Corrugation types for Lowered section - type 1

Culvert thickness
Embankment height
m
min
+
1,0
2,5
2,5
2,5
2,5
2,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,5
4,5
4,5
4,5
4,5
4,5
4,5
5,5
5,5
1,01
+
2,50
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
4,0
4,0
4,0
4,0
4,0
4,0
4,5
4,5
4,5
4,5
4,5
4,5
5,5
2,51
+
4,00
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,5
4,5
4,5
4,5
4,5
4,5
4,5
5,5
4,01
+
5,50
2,5
2,5
2,5
2,5
2,5
2,5
2,5
2,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,5
4,5
4,5
4,5
4,5
5,5
5,5
5,5
5,5
5,51
+
7,00
2,5
2,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,0
4,5
4,5
4,5
4,5
4,5
5,5
5,5
5,5
5,5
5,5
6,0
6,0
6,0
6,0
7,01
+
8,50
3,5
3,5
3,5
3,5
3,5
3,5
3,5
3,5
4,0
4,0
4,0
4,0
4,0
4,0
4,5
4,5
4,5
4,5
4,5
5,5
5,5
5,5
5,5
5,5
5,5
6,0
6,0
6,0
6,0
6,0
7,0
7,0
7,0
7,0
Geometric characteristics
N°
plates
6
7
9
N°
spaces
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
Light
m
1,85
1,93
2,06
2,13
2,21
2,34
2,41
2,49
2,62
2,69
2,85
2,90
2,97
3,12
3,25
3,33
3,48
3,53
3,61
3,76
3,81
3,86
3,91
4,09
4,24
4,29
4,34
4,52
4,67
4,72
4,77
4,83
5,00
5,06
Arrow
m
1,40
1,45
1,50
1,55
1,60
1,65
1,70
1,75
1,80
1,85
1,90
1,95
2,00
2,06
2,11
2,16
2,21
2,26
2,31
2,36
2,41
2,46
2,54
2,57
2,62
2,67
2,72
2,77
2,82
2,87
2,92
3,00
3,02
3,07
Section
m
2,05
2,25
2,40
2,60
2,90
3,05
3,25
3,55
3,70
4,00
4,25
4,55
4,85
5,10
5,40
5,70
5,95
6,20
6,60
6,90
7,25
7,50
7,90
8,30
8,65
9,00
9,40
9,75
10,15
10,50
10,95
11,35
11,70
12,20
Theoretical weight with bolts kg/m
Thickness
mm
2,5
200
207
213
220
227
234
241
248
254
261
268
275
282
289
302
315
321
328
335
342
348
357
362
369
376
383
390
397
403
410
417
430
437
444
3,5
246
255
264
274
283
293
302
312
321
330
340
349
359
368
385
402
411
421
430
440
449
460
468
478
487
497
506
516
525
534
544
561
570
580
4,0
286
297
307
318
329
339
350
361
372
382
393
404
415
425
444
463
474
484
495
505
516
528
538
549
560
570
581
592
602
613
624
642
653
664
4,5
308
320
332
344
356
368
380
392
404
416
428
440
452
464
485
506
518
530
541
553
565
578
590
602
614
626
638
650
662
673
686
706
718
730
5,5
399
414
428
443
457
472
486
501
515
530
545
559
574
589
613
638
652
667
681
695
710
725
739
754
769
784
798
813
827
841
856
881
895
910
6,0
422
438
454
469
485
501
517
553
569
585
621
637
653
663
675
681
697
712
728
744
760
796
812
828
843
850
875
911
927
934
949
965
971
987
7,0
467
485
504
522
540
558
576
608
626
644
676
694
712
730
749
767
785
803
821
839
858
889
907
926
944
962
980
1012
1030
1048
1066
1085
1102
1121

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 1

Plate Corrugation 150 | Lowered section Type 1

Plate - Lowered section - type 1

Lowered section Type 1 | Corrugation 150

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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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