Ground Improvement in Wisconsin

Ground Improvement in Wisconsin

Access Limited provides karst void grouting and loess foundation stabilization across Wisconsin.

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Multiple sinkholes on site requiring compaction grouting remediation

Subsurface Challenges Across Wisconsin

Driftless Area dolomite and Lake Superior basalt along corridors like US-14/61, I-90/94, and WI-35 create foundation and void challenges. When foundations settle or sinkholes open, Wisconsin needs a contractor that diagnoses the subsurface problem first.

Access Limited provides karst void grouting and loess foundation stabilization.

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Sinkhole Threatening Infrastructure?

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Ground Improvement Solutions for Wisconsin

Access Limited addresses subsurface instability across Wisconsin with grouting, sinkhole repair, micropile foundations, and foundation underpinning — each engineered for the void, soil, and groundwater conditions beneath the site.

Compaction Grouting

Compaction grouting injects stiff mortar to densify loose soils — restoring bearing capacity beneath settled Wisconsin infrastructure. Spider Excavators access steep and constrained sites.

Slurry, Permeation, and Chemical Grouting

Slurry grouting fills larger voids. Permeation grouting creates impermeable soil masses. Chemical grouting addresses fine-grained soils. Each is selected for Wisconsin site conditions along corridors like US-14/61, I-90/94, and WI-35.

Sinkhole Repair

Sinkhole repair combines void-filling grouting with micropile foundations that bridge the unstable zone. Emergency sinkhole response is available 24/7 across Wisconsin.

Micropiles and Foundation Underpinning

Micropiles deliver high-capacity support through variable soils. Foundation support and underpinning extend compromised foundations to competent bearing strata. Tiebacks provide additional capacity where needed.

How Access Limited Delivers Ground Improvement

Every project follows a five-step process from investigation through verification.

Step 1

Subsurface Investigation

Engineers characterize soil stratigraphy, groundwater, void locations, and bearing capacity.

Step 2

Solution Design

Grouting type, micropile configuration, or underpinning method is designed from subsurface data.

Step 3

Equipment Mobilization

Grouting equipment and Spider Excavators deploy with all materials staged.

Step 4

Construction

Grout volumes and micropile capacities are verified at every stage against design specifications.

Verification

Post-construction load testing confirms the ground improvement meets design capacity.

Verification

Post-construction load testing confirms the ground improvement meets design capacity.

Micropile installation overview showing drill rig on commercial project

Why Wisconsin Chooses Access Limited for Ground Improvement

  • Grouting Expertise — Compaction, slurry, permeation, and chemical grouting calibrated for Wisconsin conditions.
  • Spider Excavator Access — Reaching steep and limited-access sites.
  • Design-Build — In-house engineers design, Access Limited crews construct.
  • Subsurface Specialists — Grouting, micropiles, sinkhole repair, and underpinning are core disciplines.

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Trusted by Clients

See why WisDOT, mining operators, and rail operators trust Access Limited for ground improvement in Wisconsin.

Erosion Control for Water Infrastructure in Minnesota

I am sending this to you from Duluth Minnesota where 4 of your employees just finished working on a wall they had put in for us previously. That was a few years ago after Duluth suffered a flood. We are on Lake Superior and St. Louis County wanted to help stop erosion. The guys worked during the rain and just kept on going, like little Energizer bunnies. Nice fellows, all of them!! They are certainly a credit to your company and I feel it is always good to give thanks to people for a job well done. Please let them know how much we appreciated their dedication to get the job done. We will always wish you and your team good days ahead!!

Positive Experience Working with Project Team

Justin, I wanted to reach out and let you know that is was a pleasure working with you all at the [….] Project. The guys on this job were very professional and never once wavered from the plans and specs. These guys did absolutely everything the right way and wanted to make sure that the customer was happy with the work. Again, I appreciate your guys’ hard work and professionalism and look forward to working with you again in the future.

Reliable Project Support in South Dakota

Cameron, I’m glad you followed up because I don’t do a good job of telling people they did a good job sometimes and I know you’re like me if you hear nothing bad then it must have been OK. From my standpoint, you guys really helped us out by being able to get a crew here quickly which is just what we needed. As for the crew they were fantastic, pretty hands off on my end, didn’t require much of my time and did everything they said they were going to do when they said they were going to do it. Which believe me is very refreshing. So, thank you guys for all your help and I do look forward to an opportunity to work with you again.

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Access Limited provides karst void grouting and loess foundation stabilization.

Call 805.727.4310

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