Three options are available for addressing mud waves that occur during reclamation projects:
Complete Removal of All Disturbed Mud: This method involves the immediate dredging and removal of all disturbed mud, followed by replacement with fill material. While this approach offers the fastest resolution, it is also the most expensive due to the extensive dredging and fill requirements.
Accelerated Consolidation of Disturbed Mud: This option focuses on consolidating the disturbed mud through the placement of surcharging loads and installation of band drains. The surcharging accelerates the consolidation process, but the drawback is the considerable time required for the mud to settle and stabilize.
Partial Removal of Disturbed Mud: This method combines elements of the first two options. The top weak layer of mud is removed, while the deeper mud is treated with surcharging and band drains to expedite consolidation. This hybrid approach aims to balance cost-effectiveness with timely resolution.
The choice between these options depends on various factors, including project timelines, budget constraints, and the extent of mud wave disturbance. Each method offers unique advantages and disadvantages, requiring careful consideration to determine the most suitable solution for a specific reclamation project.