Corrugated Steel Pipe
Corrugated steel pipe, abbreviated as CSP, is a type of pipe made from thin sheets of steel that are corrugated or shaped into a series of alternating ridges and valleys. This design gives the pipe added strength and flexibility, making it suitable for various applications, particularly in drainage, culvert systems, and underground infrastructure.
Corrugated Steel Pipe Index
- Cross-Sections of Corrugated Steel Pipe
- Design Specifications
- Diameter for Corrugated Steel Pipe
- Installation Specifications
- Material Description and Specifications
- Federal Highway Administration (FHWA) Abrasion Levels
Key Points about corrugated steel pipe
- Strength - The corrugated design increases the pipe's strength and load-bearing capacity. It can withstand the weight of soil, vehicles, and other external pressures.
- Flexibility - The corrugations allow the pipe to flex and adjust to ground movement or settlement without compromising its structural integrity.
- Durability - Corrugated steel pipe is typically coated or lined to protect it from corrosion caused by exposure to water, chemicals, and environmental factors.
- Variety of Shapes and Sizes - Corrugated steel pipes come in various shapes, including circular, elliptical, and arch shapes, to accommodate different flow and site requirements.
- Installation - Corrugated steel pipes are relatively lightweight compared to other materials like concrete or solid metal pipes. This makes them easier to transport, handle, and install.
- Cost Effective - Corrugated steel pipe can be a cost effective solution for drainage and culvert applications, especially in situations where a balance between cost, strength, and durability is required.
Corrugated steel pipes are commonly used for culverts, stormwater management systems, underpasses, pedestrian tunnels, and other underground applications. They are chosen for their ability to manage water flow efficiently, even under heavy loads and in varying soil conditions. Different coatings and linings are used to increase the durability of corrugated steel pipes, protecting them from the effects of corrosion over time. Examples include galvanized coatings, polymer coatings, and asphalt coatings.
It's important to note that while corrugated steel pipes have numerous advantages, the specific choice of pipe material and design depends on factors such as the expected traffic load, environmental conditions, hydraulic performance, and local regulations. Proper design, installation, and maintenance are crucial to ensuring the long-term performance of corrugated steel pipe systems.
Diameter for Corrugated Steel Pipe |
|
Inside Diameter | Corrugation Pattern |
4" to 18" | 1 1/2" x 1/4" |
12" to 84" | 2 2/3" x 1/2" |
36" to 144" | 3" x 1" |
36" to 144" | 5" x 1" |
- Corrugated steel pipe is usually comes in 20' and 24' lengths. But shorter or longer lengths can be provided.
Installation Specifications |
|
Agency | Specification |
AASHTO | Standard Specifications for Highway Bridges-Division II, Section 26 LRFD Bridge Construction Specifications |
ASTM | Standard Practice for Installing Factory Made Corrugated Steel Pipe for Sewers and Other Applications - ASTM A798 Standard Practice for Installing Corrugated Steel Structural Plate Pipe for Sewers and Other Applications - ASTM A807 |
AREMA | Manual for Railway Engineering - Section 4.12 |
U.S. Dept. of Agriculture - Natural Resources |
Conservation Service Construction Specification Section 51 Paragraph 6 Service |
U.S. Dept. of Agriculture - Forest Service |
Specification for Construction of Roads and Bridges, Section 603.04 through 603.08. |
Federal Lands Highway | FP92 Section 602.03, 602.05, 602.07, and 602.08 |