Concrete Removal and Replacement
Replacing Failed Concrete Before Damage Spreads
Concrete Removal & Replacement in Augusta for driveways, walkways, and patios showing structural failure or settlement
Concrete that has cracked severely, settled unevenly, or broken into shifting pieces creates tripping hazards and allows water to infiltrate beneath the surface, accelerating further damage. Todd Concrete Solutions handles concrete removal and replacement in Augusta when repair options like patching or resurfacing will not restore structural integrity or function. Replacement becomes necessary when the subgrade has failed, when sections have settled more than an inch out of level, or when the existing concrete was installed without proper base preparation and now shows widespread failure.
The removal process exposes what caused the original failure—whether that was inadequate base material, tree root intrusion, poor drainage that washed away supporting soil, or installation over uncompacted fill. Identifying the cause during removal determines how the subgrade and base are rebuilt to prevent the same problem from recurring. In Augusta's soil conditions, clay expansion and contraction cycles often contribute to settlement, requiring base depths that account for seasonal movement.
Request a detailed estimate based on the extent of failure and required subgrade corrections.

How Removal Addresses Underlying Failure Causes
Removing existing concrete involves sawcutting the perimeter to create clean edges where the new section will tie into remaining surfaces, then breaking out the failed material and hauling it off-site. Once the concrete is removed, the subgrade is excavated to stable soil, removing any soft spots, organic material, or eroded areas. A compacted rock base is installed in layers, with each lift tamped before the next is added, creating a stable platform that redistributes loads and resists moisture-related movement.
After replacement, the new concrete sits level with adjacent sections, eliminating trip hazards and standing water that collected in sunken areas. Water now drains across the surface as intended rather than pooling or running underneath where it can erode the base. You will see a smooth, uniform surface without the spiderweb cracking or broken edges that characterized the failed section, and the concrete will remain stable through freeze-thaw cycles and seasonal soil changes.
Where new concrete meets existing slabs, rebar dowels are drilled into the old surface and extended into the new pour, creating a mechanical connection that prevents the joint from separating or developing a height difference over time. Control joints are reestablished in the new section to match the pattern of surrounding concrete, managing where cracking will occur if temperature-related stress develops.
Answers to Frequent Service Questions
Property owners typically want to understand what the removal and replacement process involves before work begins.
- What determines whether concrete should be replaced instead of repaired? Replacement becomes the appropriate solution when settlement exceeds one inch, when cracking has created multiple separated pieces, when the subgrade has visibly eroded or settled, or when previous repairs have failed. Surface damage like minor cracking or spalling may be repairable, but structural failure requires removal.
- How is the subgrade evaluated after removal? The exposed soil is probed and compacted to identify soft spots, tested for drainage issues, and checked for root intrusion or other ongoing problems. Any unstable material is excavated and replaced with compacted fill before the rock base is installed.
- Why do some replacement projects require deeper excavation than others? Excavation depth depends on what caused the original failure and the soil conditions found during removal. If the failure resulted from inadequate base thickness, poor compaction, or expansive clay directly beneath the concrete, deeper excavation and a thicker rock base prevent recurrence.
- How long does removed concrete need to cure before vehicles can use it? Concrete reaches sufficient strength for foot traffic within twenty-four to forty-eight hours in typical Augusta weather, but vehicle loads should be avoided for at least seven days to allow proper curing. Full strength develops over several weeks as the chemical hardening process continues.
- What happens at the edges where new concrete meets old? The existing concrete is sawcut to create a clean, vertical edge, then rebar dowels are drilled and epoxied into the old surface. These dowels extend into the new pour, tying the sections together and preventing the joint from opening or developing a height difference as the ground shifts seasonally.
Todd Concrete Solutions identifies underlying failure causes during the removal phase and rebuilds the subgrade to address those conditions. Schedule a property evaluation to assess whether your damaged concrete requires full replacement or if sectional repairs will restore function.

