What is Pipe Bursting?
Pipe bursting is a trenchless method of replacing old, damaged, worn out, buried pipelines (such as sewer, water, or natural gas pipes) without actually digging a trench. Bursting and splitting by using the existing alignment to replace a pipe avoids the need to secure additional right-of-way to install the replacement pipe. Bursting and splitting can be used to upsize the pipeline increasing its flow capacity.
What is the process of execution?
- Advance a conical-shaped bursting head that has a diameter a few millimeters larger than the new replacement pipe, through the existing pipe.
- The radial expansion caused by the geometry of the bursting head surmounts the host pipe’s tensile and shear strength capacities, resulting in the fragmentation or splitting of the pipe.
- As the bursting head is pulled through the host pipe, the fragments are pushed into the resulting annulus, creating a cavity for the product pipe.
- The product pipe immediately follows the bursting head as it is simultaneously pulled or pushed into the newly formed cavity.
How is Pipe Bursting used?
- Oil and Gas
- Drainage and Sewer systems
- Water Resources
Some projects where we have executed Pipe Bursting
- Executed pipe bursting upto 450 mm dia, for sewer systems, for Delhi Jal Board.
- Executed pipe bursting, for sewer systems, for Municipal Corporation of Greater Mumbai (MCGM).