星力捕鱼9代

Corrugated metal culvert, Corrugated metal pipe,Corrugated metal Pipe culvert manufacturers China
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Corrugation 68mm x 13mm

Corrugation 76mm x 25mm

Corrugation 150mm x 50mm

Corrugation 300mm x 110mm

Corrugation 380mm x 140mm

Corrugation 200mm x 55mm

Corrugation 400mm x 150mm

Corrugation 75mm x 25mm

Corrugation 125mm x 25mm

Corrugation 68mm x 13mm

星力捕鱼9代 Contact Us

Corrugation 380mm x 140mm

Corrugated metal culvert are approved by most of American road and railways administrations and national standards. They are manufactured in accordance to American and Australia standard.

Structural Plate

1.Multiplate structures pipe can be used as:

- culverts

- bridges 

- tunnels 

星力捕鱼9代- under passed 

星力捕鱼9代- ecological crossing

星力捕鱼9代- pedestrian tunnel 

星力捕鱼9代- hangers 

- shelter 

- warehouse 

星力捕鱼9代- stores for ammunition 

- belt conveyor protection 

- ventilating duct 

星力捕鱼9代- and for reinforcement and reconstruction of existing structures as well.

 

Corrugated steel pipe culvert星力捕鱼9代 can be used for every class of service load provided that appropriate backfilling is performed.

 

2.Steel

Corrugated steel pipe culvert used for mltiplate structure pipe is produced in accordance with Chinese standard.

Minimum yield strength 235N/mm2 and 345N/mm2

星力捕鱼9代Steel standard Q235 and Q345

Also can accordance with EN10025

星力捕鱼9代Steel standard S355JR, S235JR, S315MC

And can adopt the other standard steel according to customers’ demand

3. Durability

Corrosion resistance of steel is the main factor deciding about the durability of steel structures. Long-term tests done in many countries of world have proven that, the proper corrosion protection of the steel structure let to prolong the life time of structures. Durability of structures built with use of multiplate 150 Corrugated Metal Culvert Pipe designed for the zinc coatings give the so-called cathode protection. Thanks to this they can protect the steel also in electrochemical way achieving the multi-elemental corrosion protection system.

Attention:  in strong corrosion environment, we suggest hot-dip plastic on the galvanization, plastic thick 0.3mm, (single face dip), the durability is more than 100 years.

When designing the structure plate culvert pipe durability should be considered with regards to: 

- zinc coatings

- paint coatings

-sacrificial thickness of steel as allowance for corrosion

 (increasing of the plate thickness)

星力捕鱼9代- other kinds of protections

Corrugated metal culvert is necessary to remark that the corrosion points appear most often in the bottom part, where the stress level in the steel structure is the lowest. It means that by designing the structure according the most stressed cross-section-the upper sphere, there is an additional security reserve in scope of the structure durability.

System of corrosion protection duplex

星力捕鱼9代For longer structure durability (especially in agressive environment) there is a possibility of the additional corrosion protection by epoxy painting. Protection of structure both with zinc coating and epoxy coating creates duplex system. Also, after assembly corrugated metal culvert , we can make the duplex corrosion protection according to customers request color and materials.

 

Bolts and nuts 

星力捕鱼9代The plate making up the structures are connected by high strength bolts of grade not lower than 8.8. Their length varies with the thickness of the steel plates. Generally shorter bolts will be used to join two plates, longer bolts for three plate laps. Nuts should be situated from inside of culvert for bottom an corner plates, but in top plates the nuts should be situated from outside of culvert.

  

Plate thickness
(mm)
Section area
(mm2/mm)
 
Moment of Inertia
(mm4/mm
 
Section modulus
(mm3/mm
 
Gyration radius
mm)
 
3.0
3.883
9020.350
210.646
48.200
3.5
4.531
10538.000
245.911
48.227
4.0
5.179
12060.038
281.226
48.255
4.5
5.828
13586.582
316.592
48.284
5.0
6.477
15117.752
352.011
48.313
5.5
7.126
16653.665
387.486
48.343
6.0
7.776
18194.441
423.016
48.373
6.5
8.425
19740.198
458.605
48.404
7.0
9.076
21291.056
494.255
48.435
8.0
10.377
24408.550
565.740
48.500
9.0
11.679
27547.880
637.485
48.567
10.0
12.983
30710.006
709.507
48.636
 

Bolt connection:


Structural Plate Bolt connection

Corrugated metal culvert, Corrugated metal pipe,Corrugated metal Pipe culvert manufacturers China
Address: Hegang Road, Wuyi Circle Economic Zong, Hengshui City, Hebei Province, China
Tel: + 86 318 5876 109
Fax: +86 318 5876 111

星力捕鱼9代Mobile: +86 186 0318 8333

Email:

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