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The use of large culvert pipe in bridge culvert


The use of large culvert pipe in bridge culvert

large culvert pipe is a high quality highway building material to replace round pipe culvert, cover culvert and small bridge.

Mouth by large culvert pipe products with a short time, light weight, easy installation, good durability, low cost, strong ability to resist deformation, the factory reduce the maintenance cost advantages, after opening mouth by large culvert pipe by alpine permafrost regions, it is suitable for soft dirt JiDeDai and deep fill the land with, can save a lot of money, has obvious economic benefits.

 

We should pay attention to the installation and construction of large corrugated culvert pipe

 

1, before the culvert construction, the preparation of relevant materials, positions of people and facilities to enter the site, and work - - period of time

Safety protection office, the roadbed slope fencing protection, avoid rocks and other objects slide wounding.

 

2, foundation disposal, can backfill sand and gravel blocks or masonry stone concrete.

Leveling the base,

 

3. When the big mouth is started through the corrugated culvert pipe, it is considered appropriate to use the method of segmental construction, and three are used in the original arch culvert base in advance

Angle iron side by side two, length according to the length of the culvert.

For the slide rail when the culvert pipe is promoted, the diameter of the corrugated culvert pipe shall be based on the project requirements

For different specifications, the pipe diameter of the whole pipe is 0.5m--2.5m;

Each tube is about 3 meters long. See fit an Use internal (external) flange screws to sign.The assembled pipe diameter is 3m--8m.

Each circumferential direction has 4- 15 board groups ,Yes, plate and plate overlaps are tightened with high screw.

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