You can extend your seawall’s useful life by performing regular inspections and timely maintenance.
When a drain or weep hole is clogged, water behind the seawall cannot drain, causing stress and damage as water builds up and loosens the dirt behind. Seawalls can crack due to increased pressure and rising water tables behind the structure. The water will likely find new and unwanted flow passages causing soil erosion.
Water migrating through cracks, voids and defects will inevitably weaken the seawall. As the damages and erosion progress, the footing of the seawall may lose support and shift. Soil erosion can form sinkholes which cause more water to collect, speeding up the process of decay and failure.
What are the Repair and Injection Techniques Used For Seawall Repair?
Reinforcing, sealing, and repairing your seawall will significantly extend its useful life.
Crack injections with polyurethane, epoxy injections, permeation grouting, soil stabilization injection grouting and structural support grouting are the main techniques and repair procedures.
Epoxy injection resins are used for structural crack repairs in seawalls and marine piles. Cracks are often present in areas that are above the water table and should be preferably dry at the time of application.
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